* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c1a2a 0%, #1a3a5f 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 5px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(12, 26, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #2a4a6e;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #ff9a00, #ff5500);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #b0d0ff;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background: rgba(42, 74, 110, 0.5);
            text-decoration: none;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #b0d0ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(12, 26, 42, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #2a4a6e;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #b0d0ff;
            padding: 15px;
            border-bottom: 1px solid #1e3a5c;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .nav-mobile a:hover {
            background: rgba(42, 74, 110, 0.5);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #8ab4f8;
            background: rgba(20, 40, 60, 0.6);
            border-bottom: 1px solid #2a4a6e;
        }
        .breadcrumb a {
            color: #8ab4f8;
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: #5a7a9c;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background: rgba(18, 35, 55, 0.85);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            margin-bottom: 40px;
            border: 1px solid #2a4a6e;
        }
        @media (max-width: 768px) {
            article {
                padding: 25px 20px;
            }
        }
        h1 {
            font-size: 2.8rem;
            color: #ffaa44;
            margin-bottom: 25px;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            border-bottom: 3px solid #ffaa44;
            padding-bottom: 15px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: #66b3ff;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3a5a80;
        }
        h3 {
            font-size: 1.6rem;
            color: #88ccff;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #aad5ff;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #c2dbf9;
            font-weight: 500;
            padding: 20px;
            background: rgba(30, 60, 90, 0.4);
            border-left: 5px solid #ffaa44;
            border-radius: 0 8px 8px 0;
            margin-bottom: 30px;
        }
        .highlight-box {
            background: linear-gradient(145deg, rgba(40, 80, 120, 0.4), rgba(20, 40, 70, 0.6));
            border: 1px solid #3a6ca0;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            box-shadow: inset 0 0 15px rgba(0, 30, 60, 0.3);
        }
        .tip {
            background: rgba(30, 80, 50, 0.3);
            border-left: 5px solid #2ecc71;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .warning {
            background: rgba(120, 50, 30, 0.3);
            border-left: 5px solid #e74c3c;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        em {
            color: #ffcc88;
            font-style: italic;
        }
        strong {
            color: #ffbb66;
            font-weight: 700;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #a0c0e0;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-img {
            margin: 30px auto;
            max-width: 900px;
            border: 2px solid #3a6ca0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .search-section, .comments-section, .rating-section {
            background: rgba(25, 45, 70, 0.8);
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid #3a5a80;
        }
        .section-title {
            color: #ffaa44;
            font-size: 1.8rem;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .section-title i {
            font-size: 1.5rem;
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 10px;
            color: #b0d0ff;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            background: rgba(15, 30, 50, 0.8);
            border: 1px solid #3a5a80;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff9a00, #ff5500);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(90deg, #ffaa20, #ff6622);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 85, 0, 0.3);
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(-1px);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            justify-content: center;
        }
        .star {
            font-size: 2.5rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .stars:hover .star {
            color: #ffcc00;
        }
        .star:hover ~ .star {
            color: #555;
        }
        footer {
            background: rgba(10, 20, 35, 0.95);
            border-top: 2px solid #2a4a6e;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #ffaa44;
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: #b0d0ff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #74c0fc;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(30, 60, 90, 0.4);
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 15px;
            border: 1px solid #3a5a80;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(40, 80, 120, 0.5);
            border-color: #4dabf7;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2a4a6e;
            color: #8ab4f8;
            font-size: 0.9rem;
        }
        .update-time {
            color: #ffaa44;
            font-weight: bold;
        }
        .text-center {
            text-align: center;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        .flex {
            display: flex;
        }
        .justify-between {
            justify-content: space-between;
        }
        .items-center {
            align-items: center;
        }