*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3c5e;
            --primary-light: #2a5a8a;
            --secondary: #28b463;
            --accent: #f39c12;
            --bg: #f4f6f8;
            --card-bg: #ffffff;
            --text: #2c3e50;
            --text-light: #6c7a89;
            --border: #dfe4e8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 14px;
            --transition: 0.3s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 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;
        }
        .site-header {
            background: var(--card-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
            border-bottom: 3px solid var(--secondary);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .my-logo:hover {
            color: var(--primary-light);
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 2rem;
        }
        .my-logo span {
            color: var(--accent);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            font-weight: 600;
            color: var(--text);
            padding: 6px 12px;
            border-radius: 20px;
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            background: var(--secondary);
            color: #fff;
        }
        .nav-menu li a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: var(--card-bg);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 8px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .hero h1 i {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.92;
            max-width: 720px;
            margin: 0 auto 8px;
        }
        .hero .meta {
            font-size: 0.95rem;
            opacity: 0.75;
            margin-top: 12px;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding-bottom: 50px;
        }
        .content-area {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 40px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
            margin-bottom: 16px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            font-size: 0.8rem;
        }
        .content-area h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 16px;
            border-left: 5px solid var(--secondary);
            padding-left: 16px;
        }
        .content-area h2:first-of-type {
            margin-top: 0;
        }
        .content-area h3 {
            font-size: 1.5rem;
            color: var(--primary-light);
            margin-top: 30px;
            margin-bottom: 12px;
        }
        .content-area h4 {
            font-size: 1.2rem;
            color: var(--text);
            margin-top: 22px;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .content-area p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .content-area ul,
        .content-area ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .content-area li {
            margin-bottom: 6px;
        }
        .content-area .highlight {
            background: #fff8e1;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .content-area .insight-box {
            background: #e8f8f5;
            border-left: 5px solid var(--secondary);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content-area .insight-box i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .content-area .stat-box {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .content-img {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .content-img img {
            width: 100%;
            object-fit: cover;
        }
        .content-img figcaption {
            background: var(--bg);
            padding: 10px 16px;
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 24px 0 16px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border var(--transition);
        }
        .search-form input:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1e9e56;
        }
        .comment-section,
        .rating-section {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid var(--border);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 110px;
            outline: none;
            transition: border var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--secondary);
        }
        .comment-form .form-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border var(--transition);
        }
        .comment-form .form-row input:focus {
            border-color: var(--secondary);
        }
        .comment-form .form-row button {
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form .form-row button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--accent);
        }
        .rating-form {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .rating-form input {
            flex: 1;
            min-width: 160px;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border var(--transition);
        }
        .rating-form input:focus {
            border-color: var(--secondary);
        }
        .rating-form button {
            padding: 12px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .rating-form button:hover {
            background: #e08e0b;
        }
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 40px 0 20px;
            margin-top: 40px;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .footer-inner h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--accent);
        }
        friend-link {
            display: block;
            margin-bottom: 20px;
        }
        friend-link a {
            color: #ddd;
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        friend-link a:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a {
            color: var(--accent);
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .content-area {
                padding: 24px 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--card-bg);
                padding: 16px 0;
                border-radius: 0 0 var(--radius) var(--radius);
                box-shadow: var(--shadow);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 20px;
                border-radius: 0;
            }
            .nav-menu li a:hover {
                background: var(--bg);
                color: var(--primary);
            }
            .header-inner {
                position: relative;
            }
            .hero {
                padding: 40px 0 30px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .content-area h2 {
                font-size: 1.6rem;
            }
            .content-area h3 {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .rating-form {
                flex-direction: column;
            }
            .rating-form button {
                width: 100%;
                justify-content: center;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row button {
                width: 100%;
                justify-content: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .content-area {
                padding: 16px 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .text-small {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .emoji {
            font-size: 1.2rem;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }