*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: #f8f9fa;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            text-decoration: none;
            background: linear-gradient(45deg, #e67e22, #f39c12);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 1.8rem;
            -webkit-text-fill-color: #e67e22;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 15px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f39c12;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #ecf0f1;
            cursor: pointer;
            background: none;
            border: none;
            padding: 5px;
            transition: transform 0.3s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid #eee;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: #e67e22;
            text-decoration: none;
        }
        .breadcrumb-wrap a:hover {
            text-decoration: underline;
        }
        .breadcrumb-wrap i {
            color: #bdc3c7;
            font-size: 0.8rem;
        }
        .breadcrumb-wrap span {
            color: #7f8c8d;
        }
        .hero {
            background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            animation: hero-glow 10s ease-in-out infinite alternate;
        }
        @keyframes hero-glow {
            0% {
                transform: translate(0, 0) scale(1);
            }
            100% {
                transform: translate(20px, 20px) scale(1.1);
            }
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
        .hero h1 i {
            color: #f39c12;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 20px;
            opacity: 0.95;
            position: relative;
        }
        .hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            padding: 8px 25px;
            border-radius: 30px;
            font-size: 0.9rem;
            backdrops-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .search-section {
            background: #fff;
            padding: 30px 0;
            border-bottom: 1px solid #eee;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            border: 2px solid #e67e22;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 6px 30px rgba(230, 126, 34, 0.25);
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 15px 25px;
            border: none;
            outline: none;
            font-size: 1rem;
            font-family: inherit;
        }
        .search-form button {
            background: #e67e22;
            border: none;
            padding: 0 25px;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #d35400;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            padding: 40px 0;
            gap: 30px;
        }
        .content-section {
            background: #fff;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
        }
        .content-section h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid #e67e22;
            display: inline-block;
            font-weight: 700;
        }
        .content-section h3 {
            font-size: 1.4rem;
            color: #34495e;
            margin-top: 30px;
            margin-bottom: 15px;
            font-weight: 600;
            padding-left: 12px;
            border-left: 4px solid #f39c12;
        }
        .content-section h4 {
            font-size: 1.1rem;
            color: #576574;
            margin-top: 20px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .content-section p {
            margin-bottom: 18px;
            color: #555;
            font-size: 1rem;
            line-height: 1.8;
        }
        .content-section ul,
        .content-section ol {
            margin-left: 25px;
            margin-bottom: 20px;
            color: #555;
            line-height: 1.8;
        }
        .content-section li {
            margin-bottom: 8px;
        }
        .content-section strong {
            color: #2c3e50;
            font-weight: 700;
        }
        .content-section a {
            color: #e67e22;
            text-decoration: none;
            border-bottom: 1px solid rgba(230, 126, 34, 0.3);
            transition: all 0.3s;
        }
        .content-section a:hover {
            color: #d35400;
            border-bottom-color: #d35400;
        }
        .highlight-box {
            background: #fef9f3;
            border-left: 4px solid #f39c12;
            padding: 20px 25px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box p {
            margin: 0;
            font-style: italic;
            color: #6b4226;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .feature-card {
            padding: 25px;
            background: #f8f9fa;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #eee;
        }
        .feature-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: #e67e22;
            margin-bottom: 15px;
        }
        .feature-card h4 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.6;
        }
        .image-container {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        .image-container img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .image-container:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            padding: 12px 20px;
            background: #f8f9fa;
            font-size: 0.9rem;
            color: #777;
            text-align: center;
            font-style: italic;
        }
        .faq-item {
            margin-bottom: 20px;
            border: 1px solid #eee;
            border-radius: 10px;
            overflow: hidden;
            transition: box-shadow 0.3s;
        }
        .faq-item summary {
            padding: 20px;
            background: #f8f9fa;
            cursor: pointer;
            font-weight: 600;
            color: #2c3e50;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: background 0.3s;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '❓';
        }
        .faq-item summary:hover {
            background: #fef9f3;
        }
        .faq-item[open] summary {
            border-bottom: 1px solid #eee;
            background: #fef9f3;
        }
        .faq-item .faq-answer {
            padding: 20px;
            background: #fff;
            color: #555;
            line-height: 1.8;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        .interaction-card {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
            border-top: 4px solid #e67e22;
        }
        .interaction-card h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border: none;
            padding: 0;
        }
        .interaction-card h3 i {
            color: #e67e22;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: border-color 0.3s, box-shadow 0.3s;
            background: #fafafa;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            outline: none;
            border-color: #e67e22;
            box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
            background: #fff;
        }
        .interaction-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interaction-card .submit-btn {
            background: #e67e22;
            color: #fff;
            border: none;
            padding: 14px 25px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .interaction-card .submit-btn:hover {
            background: #d35400;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            user-select: none;
        }
        .rating-stars i.active,
        .rating-stars i:hover {
            color: #f39c12;
        }
        .site-footer {
            background: #1a1a2e;
            color: #a0a8b4;
            padding: 50px 0 20px;
            border-top: 4px solid #e67e22;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: #ecf0f1;
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul a {
            color: #a0a8b4;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        .site-footer ul a:hover {
            color: #f39c12;
        }
        .site-footer .copyright {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            font-size: 0.85rem;
            color: #7f8c8d;
            grid-column: 1/-1;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }
        friend-link a {
            color: #f39c12;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
            }
            .main-nav.open {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 10px;
                padding: 15px 0;
                text-align: center;
            }
            .main-nav a {
                display: block;
                padding: 12px;
                font-size: 1.1rem;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-section {
                padding: 25px 20px;
            }
            .content-section h2 {
                font-size: 1.5rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .site-header .container {
                padding: 0 15px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                border-radius: 10px;
                flex-direction: column;
            }
            .search-form input[type="text"] {
                padding: 12px 15px;
                border-radius: 8px 8px 0 0;
            }
            .search-form button {
                padding: 12px;
                border-radius: 0 0 8px 8px;
                width: 100%;
            }
            .content-section {
                padding: 20px 15px;
                border-radius: 0;
                box-shadow: none;
            }
            .hero {
                padding: 40px 0;
            }
        }