* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom right, #f8f9fa, #e9ecef);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background: linear-gradient(120deg, #a8ff78 0%, #78ffd6 100%); padding: 0 5px; border-radius: 3px; }
        .section-spacing { padding: 60px 0; }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #00b09b, #96c93d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            font-family: 'Arial Black', sans-serif;
            letter-spacing: -1px;
        }
        .my-logo:hover { transform: scale(1.03); }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #e9ecef;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #96c93d;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover { color: #fff; }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger-btn { display: block; }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            height: 100vh;
            width: 280px;
            background: #0f2027;
            padding: 80px 30px 30px;
            transition: right 0.4s ease;
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { right: 0; }
        .mobile-nav a {
            display: block;
            color: #e9ecef;
            padding: 15px 0;
            border-bottom: 1px solid #2c5364;
            font-weight: 600;
        }
        .mobile-nav a:hover { color: #96c93d; }
        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 25px;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 998;
        }
        .overlay.active { display: block; }
        .breadcrumb {
            padding: 15px 0;
            background: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a { color: #2c5364; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            color: #0f2027;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 5px solid #96c93d;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2rem;
            color: #203a43;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px dashed #a8ff78;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c5364;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #3a7bd5;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #0f2027;
            background: #f8fff8;
            padding: 20px;
            border-left: 5px solid #00b09b;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: #fff;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #0f2027;
            border-bottom: 2px solid #a8ff78;
            padding-bottom: 10px;
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #96c93d;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(to right, #00b09b, #96c93d);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-btn:hover { opacity: 0.9; }
        .rating-widget .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .form-input, .form-textarea {
            padding: 12px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea { min-height: 120px; resize: vertical; }
        .form-submit {
            background: #3a7bd5;
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .form-submit:hover { background: #2c5fb1; }
        .featured-image {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 8px solid #fff;
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            padding: 10px;
            background: #f8f9fa;
        }
        .internal-links {
            background: #e9f7ef;
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .internal-links h3 { color: #0f2027; margin-top: 0; }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
            list-style: none;
            margin-top: 15px;
        }
        .internal-links li { padding: 5px 0; }
        .internal-links a {
            color: #2c5364;
            padding: 8px 12px;
            display: block;
            border-radius: 6px;
            background: #fff;
            border-left: 4px solid #00b09b;
        }
        .internal-links a:hover {
            background: #d4edda;
            transform: translateX(5px);
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #6c757d;
            border-top: 1px solid #dee2e6;
            padding-top: 20px;
            margin-top: 40px;
        }
        .site-footer {
            background: #0f2027;
            color: #e9ecef;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-widget h4 {
            color: #96c93d;
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid #203a43;
            padding-bottom: 10px;
        }
        friend-link {
            display: block;
            background: #203a43;
            margin: 10px 0;
            padding: 12px 15px;
            border-radius: 6px;
            border-left: 4px solid #00b09b;
        }
        friend-link:hover {
            background: #2c5364;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid #2c5364;
            color: #adb5bd;
            font-size: 0.95rem;
        }