* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3c6e;
            --primary-light: #2a5a9e;
            --secondary: #e8a838;
            --accent: #c0392b;
            --bg: #f4f7fb;
            --text: #1e2a3a;
            --text-light: #4a5a6a;
            --white: #ffffff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--white);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0 20px;
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo span {
            color: var(--secondary);
        }
        .my-logo:hover {
            color: var(--primary);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        nav a {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            border: none;
            background: none;
        }
        .hamburger span {
            width: 26px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .mobile-nav {
            display: none;
            background: var(--white);
            padding: 16px 20px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .mobile-nav a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #eef2f7;
            font-weight: 500;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background: var(--white);
            padding: 12px 0;
            border-bottom: 1px solid #eef2f7;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
            font-size: 0.7rem;
            color: #aaa;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #0f2a4a 100%);
            color: var(--white);
            padding: 60px 0 50px;
            text-align: center;
            border-radius: 0 0 40px 40px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.92;
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero .badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            padding: 6px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 8px;
        }
        .search-bar {
            max-width: 580px;
            margin: 24px auto 0;
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .search-bar input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: var(--white);
            color: var(--text);
        }
        .search-bar button {
            background: var(--secondary);
            color: var(--primary);
            border: none;
            padding: 0 28px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-bar button:hover {
            background: #d99a2e;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 40px 0;
        }
        .main-content {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 40px;
            box-shadow: var(--shadow);
        }
        .main-content h2 {
            font-size: 1.9rem;
            color: var(--primary);
            margin: 40px 0 16px;
            border-left: 5px solid var(--secondary);
            padding-left: 16px;
        }
        .main-content h2:first-child {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.4rem;
            color: var(--primary-light);
            margin: 28px 0 12px;
        }
        .main-content h4 {
            font-size: 1.15rem;
            color: var(--text);
            margin: 20px 0 8px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 20px 24px;
            color: var(--text-light);
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .main-content .highlight-box {
            background: #f0f5ff;
            border-radius: var(--radius);
            padding: 20px 24px;
            border-left: 4px solid var(--primary-light);
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: var(--primary);
        }
        .main-content .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 16px;
            background: #f8faff;
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 14px;
            border-bottom: 2px solid #eef2f7;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .sidebar-card li a i {
            color: var(--secondary);
            width: 20px;
            text-align: center;
        }
        .sidebar-card li a:hover {
            color: var(--primary);
        }
        .interaction-area {
            margin-top: 40px;
            padding-top: 32px;
            border-top: 2px solid #eef2f7;
        }
        .interaction-area h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            margin-bottom: 16px;
        }
        .rating-stars i {
            color: #ddd;
            transition: var(--transition);
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: var(--secondary);
        }
        .rating-stars i:hover~i {
            color: #ddd;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e0e6ed;
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
        }
        .comment-form .form-row {
            display: flex;
            gap: 14px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e0e6ed;
            border-radius: var(--radius);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
            min-width: 180px;
        }
        .comment-form input:focus {
            border-color: var(--primary-light);
        }
        .comment-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .comment-list {
            margin-top: 24px;
        }
        .comment-item {
            padding: 16px 0;
            border-bottom: 1px solid #eef2f7;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-item strong {
            color: var(--primary);
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #aaa;
            margin-left: 10px;
        }
        .comment-item p {
            margin-top: 4px;
            color: var(--text-light);
        }
        footer {
            background: var(--primary);
            color: var(--white);
            padding: 48px 0 20px;
            margin-top: 50px;
            border-radius: 40px 40px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid h4 {
            font-size: 1.1rem;
            margin-bottom: 14px;
            color: var(--secondary);
        }
        .footer-grid p,
        .footer-grid a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }
        .footer-grid a:hover {
            color: var(--secondary);
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid li {
            margin-bottom: 8px;
        }
        friend-link {
            display: block;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.8);
            display: inline-block;
            margin-right: 16px;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #eef3fa;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .last-updated i {
            color: var(--secondary);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            nav a {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav.open {
                display: block;
            }
            .hero {
                padding: 40px 0 36px;
                border-radius: 0 0 24px 24px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-bar {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-bar button {
                padding: 12px;
                justify-content: center;
            }
            .main-content {
                padding: 20px 18px;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content {
                padding: 16px 14px;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 0;
            }
        }