:root {
            --primary: #0f766e;
            --secondary: #f59e0b;
            --accent: #dc2626;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f1f5f9;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, #0f172a 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .desktop-nav {
            display: flex;
            gap: 1.8rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            padding: 1rem;
            margin-top: 1rem;
            border-radius: 8px;
            gap: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background: #e2e8f0;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(15, 118, 110, 0.85), rgba(30, 41, 59, 0.9)), url('https://images.unsplash.com/photo-1614732414444-096e5f1122d5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-box {
            max-width: 700px;
            margin: 2rem auto 0;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 2rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #d97706;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        .update-time {
            color: var(--accent);
            font-weight: 600;
            margin-top: 0.5rem;
        }
        h1 { font-size: 2.8rem; margin-bottom: 1rem; }
        h2 { font-size: 2.2rem; color: var(--primary); margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 1px dashed #cbd5e1; }
        h3 { font-size: 1.7rem; color: var(--dark); margin: 2rem 0 1rem; }
        h4 { font-size: 1.4rem; color: #475569; margin: 1.5rem 0 0.8rem; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7 0%, #fef3c7 100%);
            padding: 2rem;
            border-left: 5px solid var(--secondary);
            border-radius: 8px;
            margin: 2rem 0;
            font-size: 1.1rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .feature-img {
            width: 100%;
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .link-list {
            background: #f8fafc;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list a {
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .link-list a:hover {
            color: var(--accent);
            transform: translateX(5px);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: 16px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .rating-box {
            text-align: center;
        }
        .stars {
            color: #fbbf24;
            font-size: 1.8rem;
            margin: 1rem 0;
        }
        .rate-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .rate-btn:hover {
            background: #0d9488;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            resize: vertical;
            margin-bottom: 1rem;
            font-family: inherit;
        }
        .submit-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: #b91c1c;
        }
        footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            color: #94a3b8;
        }
        friend-link:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .hero h1 { font-size: 2.5rem; }
            .hero { padding: 3rem 1rem; }
            article { padding: 1.8rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.5rem; }
        }
        a:hover, button:hover {
            opacity: 0.9;
        }
        .highlight:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .sidebar-widget:hover {
            transform: translateY(-5px);
        }