*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #ff6b00;
            --primary-dark: #cc5500;
            --secondary: #002f6c;
            --accent: #00c7b1;
            --light-bg: #f8f9fa;
            --dark-bg: #1a1a2e;
            --text: #222;
            --text-light: #555;
            --white: #fff;
            --border: #ddd;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--light-bg);
            line-height: 1.7;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--white);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo span {
            color: var(--primary);
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--secondary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--light-bg);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-menu li a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .nav-menu li a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: var(--white);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .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 ol li a {
            color: var(--text-light);
        }
        .breadcrumb ol li a:hover {
            color: var(--primary);
        }
        .breadcrumb ol li[aria-current="page"] {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--secondary), #001a3a);
            color: var(--white);
            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: 16px;
        }
        .hero h1 i {
            color: var(--primary);
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 24px;
        }
        .hero .last-updated {
            font-size: 0.9rem;
            opacity: 0.7;
            display: block;
            margin-top: 12px;
        }
        .hero .last-updated i {
            margin-right: 6px;
        }
        .search-wrap {
            max-width: 500px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .search-wrap input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            outline: none;
        }
        .search-wrap button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-wrap button:hover {
            background: var(--primary-dark);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin-bottom: 50px;
        }
        .main-content {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 16px;
            color: var(--secondary);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .sidebar-card ul li a i {
            color: var(--primary);
            width: 20px;
        }
        .main-content h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
        }
        .main-content h2:first-child {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 28px 0 12px;
        }
        .main-content h4 {
            font-size: 1.2rem;
            color: var(--text);
            margin: 20px 0 10px;
            font-weight: 700;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 18px 24px;
        }
        .main-content li {
            margin-bottom: 8px;
            font-size: 1.05rem;
        }
        .main-content .highlight-box {
            background: var(--light-bg);
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .main-content .highlight-box strong {
            color: var(--primary-dark);
        }
        .main-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .main-content .stat-card {
            background: var(--light-bg);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--border);
        }
        .main-content .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .main-content .stat-card .label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .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 {
            padding: 12px 16px;
            background: var(--light-bg);
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
            border-top: 1px solid var(--border);
        }
        .feedback-section {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 2px solid var(--border);
        }
        .feedback-section h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .rating-area {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .rating-area .stars {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            color: #f5b342;
            cursor: pointer;
        }
        .rating-area .stars i {
            transition: var(--transition);
        }
        .rating-area .stars i:hover {
            transform: scale(1.2);
        }
        .rating-area .score-display {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--secondary);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form .form-row input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
        }
        .comment-form .btn-submit {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .comment-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .comment-form .btn-submit i {
            margin-right: 8px;
        }
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-inner h4 {
            color: var(--white);
            font-size: 1.15rem;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 6px;
            display: inline-block;
        }
        .footer-inner p {
            font-size: 0.95rem;
            opacity: 0.85;
            line-height: 1.8;
        }
        .footer-inner ul {
            list-style: none;
        }
        .footer-inner ul li {
            padding: 6px 0;
        }
        .footer-inner ul li a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-inner ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.75;
        }
        .footer-bottom .copy {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        friend-link {
            display: block;
            margin-top: 12px;
            font-size: 0.95rem;
        }
        friend-link a {
            color: var(--accent);
            margin: 0 6px;
        }
        friend-link a:hover {
            color: var(--white);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-content {
                padding: 24px 16px;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.25rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0;
                background: var(--white);
                border-radius: var(--radius);
                box-shadow: var(--shadow);
                padding: 12px 0;
                margin-top: 8px;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                display: block;
                padding: 12px 20px;
                border-bottom: 1px solid var(--border);
            }
            .nav-menu li:last-child a {
                border-bottom: none;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feedback-section .form-row {
                flex-direction: column;
            }
            .feedback-section .form-row input {
                min-width: unset;
            }
            .search-wrap {
                flex-direction: column;
                border-radius: var(--radius);
            }
            .search-wrap input {
                border-radius: 0;
            }
            .search-wrap button {
                border-radius: 0;
            }
            .rating-area {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .header-inner {
                padding: 0 4px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 12px;
            }
            .main-content {
                padding: 16px 12px;
            }
            .main-content .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }