* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f0f9ff;
            color: #1a365d;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #3182ce;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2b6cb0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
            background: linear-gradient(to right, #fbb6ce, #f687b3);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px;
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.5rem;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #4a5568;
            background-color: #e2e8f0;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #3182ce;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .search-container {
            background-color: #edf2f7;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 6px 12px rgba(0,0,0,0.08);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: #667eea;
        }
        .search-form button {
            background: linear-gradient(to right, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #5a67d8, #6b46c1);
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            margin: 2rem auto;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #2d3748;
            margin-bottom: 1.5rem;
            text-align: center;
            line-height: 1.2;
            border-bottom: 4px solid #fbb6ce;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a5568;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid #667eea;
        }
        h3 {
            font-size: 1.8rem;
            color: #718096;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #90cdf4;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #2d3748;
            line-height: 1.8;
        }
        .highlight {
            background-color: #feebc8;
            padding: 1.5rem;
            border-left: 6px solid #dd6b20;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .content-image {
            width: 80%;
            margin: 2rem auto;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 24px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .content-image:hover {
            transform: translateY(-10px);
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background-color: #f7fafc;
            border-radius: 12px;
        }
        .link-list a {
            display: block;
            padding: 1rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.04);
            font-weight: 600;
            text-align: center;
            transition: all 0.3s ease;
        }
        .link-list a:hover {
            background-color: #667eea;
            color: white;
            transform: translateY(-3px);
        }
        .interaction-forms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .form-box {
            background-color: #f8fafc;
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }
        .form-box h3 {
            color: #4a5568;
            margin-top: 0;
        }
        .form-box textarea, .form-box input, .form-box select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
        }
        .form-box textarea:focus, .form-box input:focus, .form-box select:focus {
            border-color: #667eea;
        }
        .form-box button {
            background: linear-gradient(to right, #38b2ac, #319795);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background 0.3s ease;
        }
        .form-box button:hover {
            background: linear-gradient(to right, #319795, #2c7a7b);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f6e05e;
        }
        footer {
            background-color: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #fbb6ce;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #90cdf4;
            font-weight: 600;
        }
        friend-link:hover {
            color: #63b3ed;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .content-image { width: 90%; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #553c9a;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
            }
            .interaction-forms {
                grid-template-columns: 1fr;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 0 1rem; }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 8px; margin-bottom: 0.5rem; }
        }