* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c2461 0%, #1e3799 50%, #4a69bd 100%);
            color: #f5f5f5;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #74b9ff;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #0984e3;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(9, 21, 46, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 3px solid #00cec9;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00cec9, #74b9ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .search-form {
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 5px;
            border: 1px solid #00cec9;
        }
        .search-input {
            background: transparent;
            border: none;
            color: white;
            padding: 10px 20px;
            width: 250px;
            outline: none;
        }
        .search-input::placeholder {
            color: #aaa;
        }
        .search-button {
            background: #00cec9;
            border: none;
            color: white;
            border-radius: 50%;
            width: 45px;
            height: 45px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #00b894;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background: rgba(116, 185, 255, 0.2);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #74b9ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: #74b9ff;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            color: #00cec9;
            text-align: center;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 206, 201, 0.3);
        }
        h2 {
            font-size: 2.3rem;
            margin: 45px 0 20px;
            color: #74b9ff;
            border-left: 5px solid #74b9ff;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 35px 0 15px;
            color: #a29bfe;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: #dfe6e9;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #00cec9;
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(90deg, rgba(116, 185, 255, 0.1), rgba(0, 206, 201, 0.1));
            border-left: 5px solid #00cec9;
            padding: 25px;
            border-radius: 0 10px 10px 0;
            margin: 30px 0;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 15px;
            margin: 30px 0;
            padding: 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
        }
        .link-list a {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            background: rgba(116, 185, 255, 0.1);
            border-radius: 8px;
        }
        .link-list a::before {
            content: '➤';
            margin-right: 10px;
            color: #00cec9;
        }
        .link-list a:hover {
            background: rgba(116, 185, 255, 0.25);
        }
        .feature-img {
            width: 80%;
            margin: 40px auto;
            border: 3px solid #00cec9;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            margin-top: 10px;
            color: #aaa;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .interaction-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid rgba(0, 206, 201, 0.3);
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: white;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #00cec9;
        }
        .interaction-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            margin: 10px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #fbc02d;
        }
        .submit-btn {
            background: linear-gradient(90deg, #00cec9, #0984e3);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-top: 10px;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 206, 201, 0.4);
        }
        footer {
            background: rgba(9, 21, 46, 0.98);
            padding: 50px 0 20px;
            margin-top: 50px;
            border-top: 3px solid #00cec9;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #00cec9;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        friend-link {
            display: block;
            padding: 10px 15px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 5px;
            border-left: 3px solid #74b9ff;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(116, 185, 255, 0.15);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            color: #00cec9;
            font-weight: bold;
            background: rgba(0, 206, 201, 0.1);
            padding: 10px 20px;
            border-radius: 30px;
            display: inline-block;
            margin: 20px 0;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.7rem; }
            h2 { font-size: 2rem; }
            .header-container { flex-direction: column; gap: 20px; }
            .main-nav { width: 100%; justify-content: center; }
            .search-form { width: 100%; max-width: 500px; }
            .search-input { flex: 1; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(9, 21, 46, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-top: 1px solid #00cec9;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .main-nav.active { display: flex; }
            .interaction-section { grid-template-columns: 1fr; }
            article { padding: 25px; }
            .link-list { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .container { padding: 0 15px; }
            .feature-img { width: 100%; }
        }