* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a1a2a;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #29b6f6;
            text-decoration: underline;
        }
        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, #0d2438 0%, #152f44 100%);
            padding: 1rem 0;
            border-bottom: 3px solid #ffeb3b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffeb3b, #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: #bbdefb;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .desktop-nav a:hover {
            background-color: rgba(41, 182, 246, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffeb3b;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #152f44;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: #bbdefb;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #2c4a66;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #152f44;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            margin-bottom: 2rem;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb a {
            color: #80d8ff;
        }
        .breadcrumb span {
            color: #cfd8dc;
            margin: 0 5px;
        }
        main {
            padding: 2rem 0;
            background-color: #0e2439;
            min-height: 100vh;
        }
        article {
            background-color: #152f44;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            margin-bottom: 2rem;
        }
        h1 {
            color: #ffeb3b;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 2px solid #29b6f6;
            padding-bottom: 1rem;
        }
        h2 {
            color: #4fc3f7;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid #ff9800;
        }
        h3 {
            color: #80d8ff;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #b3e5fc;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: rgba(255, 235, 59, 0.1);
            border-left: 4px solid #ffeb3b;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .bold {
            font-weight: 800;
            color: #ffcc80;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .image-container img {
            border-radius: 10px;
            border: 3px solid #29b6f6;
            box-shadow: 0 8px 20px rgba(0,0,0,0.6);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #90a4ae;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .functional-section {
            background-color: #1c3b5e;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #37474f;
        }
        .functional-section h3 {
            color: #ffeb3b;
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 1.2rem;
            max-width: 600px;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border-radius: 6px;
            border: 1px solid #546e7a;
            background-color: #263238;
            color: #fff;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #29b6f6;
            box-shadow: 0 0 0 2px rgba(41, 182, 246, 0.3);
        }
        button {
            background: linear-gradient(90deg, #29b6f6, #0288d1);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(90deg, #0288d1, #01579b);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars i {
            color: #cfd8dc;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffeb3b;
        }
        .link-integration {
            background-color: rgba(66, 165, 245, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px dashed #42a5f5;
        }
        footer {
            background-color: #0d2438;
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #ff9800;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffeb3b;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: inline-block;
            background-color: #1e3a5f;
            color: #80d8ff;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.3rem;
            font-size: 0.9rem;
            border: 1px solid #2c4a66;
        }
        friend-link:hover {
            background-color: #2c4a66;
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #37474f;
            color: #90a4ae;
            font-size: 0.9rem;
        }
        .update-time {
            color: #ffab91;
            font-weight: bold;
            margin-top: 1rem;
            text-align: right;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            article { padding: 1.5rem; }
            .functional-section { padding: 1.5rem; }
            .header-container { flex-wrap: wrap; }
        }