*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1e3a5f;
            --accent: #ff6b35;
            --gold: #f7c948;
            --bg: #f0f4f8;
            --card-bg: #ffffff;
            --text: #2d3436;
            --text-light: #636e72;
            --border: #ddd;
            --success: #00b894;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #e05500;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 0;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .my-logo span {
            color: var(--gold);
        }
        .my-logo:hover {
            text-decoration: none;
            color: #fff;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }
        .nav-menu li a {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 10px 0;
                gap: 5px;
                border-top: 1px solid rgba(255, 255, 255, 0.2);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 15px;
            }
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb .separator {
            opacity: 0.5;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #0f2137 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
            color: var(--gold);
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 20px;
        }
        .hero-meta {
            font-size: 0.9rem;
            opacity: 0.7;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section {
            padding: 50px 0;
        }
        .section-alt {
            background: #e9ecef;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-header p {
            color: var(--text-light);
            max-width: 650px;
            margin: 0 auto;
        }
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--accent);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .card .icon {
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--accent);
        }
        .card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .table-wrapper {
            overflow-x: auto;
            margin: 30px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        tr:hover {
            background: #f5f7fa;
        }
        .tips-list {
            margin: 20px 0;
            padding: 0;
            list-style: none;
        }
        .tips-list li {
            padding: 12px 20px;
            margin-bottom: 10px;
            background: #fff;
            border-left: 4px solid var(--gold);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .quote-block {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: 30px;
            margin: 30px 0;
            position: relative;
        }
        .quote-block::before {
            content: '"';
            font-size: 5rem;
            position: absolute;
            top: 10px;
            left: 20px;
            opacity: 0.3;
            font-family: Georgia, serif;
        }
        .quote-block p {
            font-style: italic;
            font-size: 1.1rem;
            line-height: 1.8;
            margin-left: 30px;
        }
        .quote-author {
            text-align: right;
            margin-top: 15px;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .feature-image-wrap {
            margin: 40px 0;
            text-align: center;
        }
        .feature-image-wrap img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            max-width: 100%;
        }
        .feature-image-wrap figcaption {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 10px;
        }
        .form-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            max-width: 550px;
            margin: 0 auto;
        }
        .form-card h3 {
            margin-bottom: 20px;
            color: var(--primary);
            text-align: center;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }
        .btn {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: #e05500;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: var(--gold);
            cursor: pointer;
            justify-content: center;
            margin: 10px 0;
        }
        .rating-stars i {
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            transform: scale(1.2);
            color: #ffb400;
        }
        .rating-value {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        .footer-col {
            flex: 1;
            min-width: 200px;
        }
        .footer-col h4 {
            color: var(--gold);
            margin-bottom: 15px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin-top: 15px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
        }
        friend-link a {
            color: var(--gold);
            margin: 0 8px;
        }
        #scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--accent);
            color: #fff;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            z-index: 999;
            font-size: 1.2rem;
        }
        #scroll-top:hover {
            background: #e05500;
            transform: translateY(-3px);
        }
        @media (max-width: 600px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 30px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .card {
                padding: 20px;
            }
            .form-card {
                padding: 20px;
            }
        }