* {
            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: #333;
            background-color: #f9f9fb;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style-position: inside;
            margin-left: 1rem;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #ff6b6b, #ee5a52);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.4s ease;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.2);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.3);
            background: linear-gradient(135deg, #ee5a52, #ff6b6b);
        }
        .section-padding {
            padding: 60px 0;
        }
        .text-center {
            text-align: center;
        }
        .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(to right, #2c3e50, #34495e);
            color: #ecf0f1;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #00cec9, #0984e3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #00cec9;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: #00cec9;
        }
        .breadcrumb {
            background-color: #f1f2f6;
            padding: 12px 0;
            font-size: 0.9rem;
            color: #7f8c8d;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #bdc3c7;
        }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(52, 73, 94, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-container {
            max-width: 700px;
            margin: 40px auto;
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 16px 20px;
            border: 2px solid #dfe6e9;
            border-radius: 50px;
            font-size: 1.1rem;
            transition: border 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #00cec9;
        }
        .search-btn {
            padding: 16px 30px;
            background: #00cec9;
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #00a8a8;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 60px;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
            font-size: 0.95rem;
            color: #7f8c8d;
        }
        .update-time {
            color: #e74c3c;
            font-weight: 600;
        }
        .article-content h2 {
            color: #2c3e50;
            margin: 35px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #00cec9;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #34495e;
            margin: 30px 0 12px;
            font-size: 1.6rem;
        }
        .article-content h4 {
            color: #2d3436;
            margin: 25px 0 10px;
            font-size: 1.3rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
            line-height: 1.8;
        }
        .article-content strong {
            color: #e74c3c;
            font-weight: 700;
        }
        .article-content em {
            color: #0984e3;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #ffeaa7, #fab1a0);
            border-left: 5px solid #e17055;
            padding: 25px;
            border-radius: 0 15px 15px 0;
            margin: 30px 0;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #636e72;
            padding: 10px;
            background: #f8f9fa;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget-title {
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #00cec9;
            font-size: 1.4rem;
        }
        .rating-form label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            margin-bottom: 15px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f1c40f;
        }
        .rating-form input[type="email"],
        .rating-form textarea {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"],
        .comment-form textarea {
            width: 100%;
            padding: 14px;
            margin-bottom: 15px;
            border: 1px solid #dfe6e9;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #00cec9, #0984e3);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 20px;
        }
        .footer-links h3 {
            color: #00cec9;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: #00cec9;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 15px;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 206, 201, 0.2);
        }
        .copyright {
            text-align: center;
            padding: 25px 0;
            border-top: 1px solid #34495e;
            font-size: 0.95rem;
            color: #bdc3c7;
        }
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.8rem; }
            .main-content { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .header-top { flex-wrap: wrap; }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 15px;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid #3a506b;
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .hero { padding: 70px 0; }
            .hero h1 { font-size: 2.3rem; }
            .search-form { flex-direction: column; }
            .search-btn { width: 100%; }
            .article-content { padding: 25px; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.9rem; }
            .hero p { font-size: 1.1rem; }
            .article-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
            .article-content h2 { font-size: 1.7rem; }
            .article-content h3 { font-size: 1.4rem; }
        }