@charset "utf-8";

  :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --text-light: #7f8c8d;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f9f9f9;
            max-width: 1660px;
            margin: 0 auto;
        }
        
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .logo span {
            color: var(--secondary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
        }
        
        .mobile-menu {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1660&q=80') center/cover no-repeat;
            color: white;
            padding: 5rem 2rem;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: #2980b9;
        }
        
        .btn-accent {
            background-color: var(--accent-color);
        }
        
        .btn-accent:hover {
            background-color: #c0392b;
        }
        
        .container {
            /*  padding: 2rem;*/
        }
        
        section {
            margin-bottom: 3rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 2rem;
        }
        
        h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 2rem;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        
        h3 {
            color: var(--dark-color);
            margin: 1.5rem 0 1rem;
            font-size: 1.5rem;
        }
        
        .vpn-providers {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .vpn-card {
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }
        
        .vpn-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .vpn-card h3 {
            color: var(--secondary-color);
            margin-bottom: 0.5rem;
        }
        
        .vpn-card .rating {
            color: #f39c12;
            margin-bottom: 0.5rem;
        }
        
        .vpn-card .price {
            font-weight: bold;
            color: var(--accent-color);
            margin-bottom: 0.5rem;
        }
        
        .vpn-card .features {
            list-style-type: none;
            margin-bottom: 1rem;
        }
        
        .vpn-card .features li {
            margin-bottom: 0.3rem;
            position: relative;
            padding-left: 1.2rem;
        }
        
        .vpn-card .features li:before {
            content: "✓";
            color: #27ae60;
            position: absolute;
            left: 0;
        }
        
        .vpn-card .badge {
            position: absolute;
            top: -10px;
            right: -10px;
            background-color: var(--accent-color);
            color: white;
            padding: 0.3rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
        }
        
        .ad-banner {
            width: 100%;
            max-width: 1660px;
            height: auto;
            /*  background-color: #f1f1f1;*/
            margin: 2rem 0;
            /* padding: 1rem; */
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            /*  border: 1px dashed #ccc;*/
            /*  border-radius: 5px;*/
        }
        
        .ad-banner p {
            color: #7f8c8d;
            margin-bottom: 0.5rem;
        }
        
        .how-to-list {
            list-style-type: none;
            counter-reset: step-counter;
        }
        
        .how-to-list li {
            counter-increment: step-counter;
            margin-bottom: 1.5rem;
            padding-left: 3rem;
            position: relative;
            margin-top: 1rem;
        }
        
        .how-to-list li:before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background-color: var(--secondary-color);
            color: white;
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        .warning {
            background-color: #fff4e5;
            /*  border-left: 4px solid #f39c12;*/
            padding: 1rem;
            margin: 1rem 0;
        }
        
        .warning h4 {
            color: #e67e22;
            margin-bottom: 0.5rem;
        }
        
        .danger {
            background-color: #ffebee;
            /* border-left: 4px solid #e74c3c;*/
            padding: 1rem; 
            margin: 1rem 0;
        }
        
        .danger h4 {
            color: #c0392b;
            margin-bottom: 0.5rem;
        }
        
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        
        .info-table th, .info-table td {
            border: 1px solid #ddd;
            padding: 0.8rem;
            text-align: left;
        }
        
        .info-table th {
            background-color: var(--light-color);
        }
        
        .info-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        
        
        
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
                order: 1;
                margin-left: auto;
                margin-right: 1rem;
                z-index: 101;
                color: white;
                background: none;
                border: none;
                font-size: 1.8rem;
                cursor: pointer;
                padding: 0.5rem;
            }
            
            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 70%;
                height: 100vh;
                background-color: var(--primary-color);
                transition: right 0.3s ease;
                padding-top: 5rem;
                z-index: 100;
            }
            
            nav.active {
                right: 0;
            }
            
            nav ul {
                flex-direction: column;
                padding: 1rem;
            }
            
            nav ul li {
                margin: 1rem 0;
            }
            
            .hero {
                padding: 3rem 1rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .vpn-providers {
                grid-template-columns: 1fr;
            }
            
            section {
                padding: 1.5rem;
            }
            
            .container {
                /*  padding: 1rem;*/
            }
            
            h2 {
                font-size: 1.8rem;
            }
        }
        
        /* Schema markup for SEO */
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #f5f5f5;
            margin-bottom: 1rem;
        }
        
        .breadcrumb a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        /* VPN protocol comparison */
        .protocol-comparison {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        
        .protocol-card {
            flex: 1;
            min-width: 200px;
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 5px;
            /*  border-left: 4px solid var(--secondary-color);*/
        }
        
        .protocol-card h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        /* Country flags for server locations */
        .country-flag {
            width: 20px;
            height: auto;
            vertical-align: middle;
            margin-right: 5px;
            border: 1px solid #ddd;
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .content-block {
            animation: fadeIn 0.5s ease-out forwards;
            opacity: 0;
        }
        
        .content-block:nth-child(1) { animation-delay: 0.1s; }
        .content-block:nth-child(2) { animation-delay: 0.2s; }
        .content-block:nth-child(3) { animation-delay: 0.3s; }
        .content-block:nth-child(4) { animation-delay: 0.4s; }
        .content-block:nth-child(5) { animation-delay: 0.5s; }
        .content-block:nth-child(6) { animation-delay: 0.6s; }
        .content-block:nth-child(7) { animation-delay: 0.7s; }
        .content-block:nth-child(8) { animation-delay: 0.8s; }
        .content-block:nth-child(9) { animation-delay: 0.9s; }
        .content-block:nth-child(10) { animation-delay: 1s; }
        
        /* 返回顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #ff4d8a;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 99;
        }
        
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background: #ff7eab;
            transform: translateY(-3px);
        }

.qr-code {
    width: auto;
    max-width: 100%;
    height: auto;
    margin: 15px auto;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    background-color: white;
}

.ad-banner {
    width: 100%;
    max-width: 1660px;
    height: auto;
    /*  background: linear-gradient(135deg, #f39c12, #e67e22);*/
    margin: 15px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    font-weight: bold;
    /*  text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);*/
    transition: transform 0.3s;
}
.ad-banner:hover {
    transform: translateY(-3px);
}

.zjiteminfo {
    width: auto;
    max-width: 100%;
    height: auto;
    margin: 15px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    font-weight: bold;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.zjiteminfo img{
    border-radius: 16px;   
}

.zjiteminfo a{
    color:#e82f6e ;
    text-decoration: none;
    font-size: 16px;
    margin-top: 20px;

}
.zjiteminfo:hover {
    transform: translateY(-3px);
    border-radius: 16px; 
}

/**/
:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --text-light: #7f8c8d;
            --shadow: 0 4px 6px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f9f9f9;
            max-width: 1660px;
            margin: 0 auto;
        }
        
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .logo span {
            color: var(--secondary-color);
        }
        
        .logo-icon {
            width: 30px;
            height: 30px;
            fill: var(--secondary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
            background-color: rgba(255,255,255,0.1);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="1660" height="600" viewBox="0 0 1660 600"><rect width="1660" height="600" fill="%232c3e50"/><circle cx="200" cy="100" r="50" fill="%233498db" opacity="0.2"/><circle cx="400" cy="300" r="80" fill="%23e74c3c" opacity="0.2"/><circle cx="1200" cy="200" r="60" fill="%233498db" opacity="0.2"/><circle cx="1400" cy="400" r="70" fill="%23e74c3c" opacity="0.2"/></svg>') center/cover no-repeat;
            color: white;
            padding: 5rem 2rem;
            text-align: center;
            position: relative;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
        }
        
        .btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--secondary-color);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: var(--transition);
            box-shadow: var(--shadow);
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        
        .btn-accent {
            background-color: var(--accent-color);
        }
        
        .btn-accent:hover {
            background-color: #c0392b;
        }
        
        .btn-icon {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }
        
        .container {
            /*  padding: 0 2rem;*/
        }
        
        section {
            margin-bottom: 3rem;
            background-color: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 2.5rem;
            /*  position: relative;*/
            overflow: hidden;
        }
        
        section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--secondary-color);
        }
        
        h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        
        h3 {
            color: var(--dark-color);
            margin: 2rem 0 1.2rem;
            font-size: 1.6rem;
        }
        
        .vpn-providers {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 16px;
            margin-bottom: 16px;
        }
        
        .vpn-card {
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            padding: 2rem;
            transition: var(--transition);
            position: relative;
            background-color: white;
            display: flex;
            flex-direction: column;
        }
        
        .vpn-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-color: var(--secondary-color);
        }
        
        .vpn-card h3 {
            color: var(--secondary-color);
            margin-bottom: 0.8rem;
            font-size: 1.5rem;
        }
        
        .rating {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin-bottom: 0.8rem;
        }
        
        .stars {
            color: #f39c12;
            font-size: 1.1rem;
        }
        
        .rating-value {
            font-weight: bold;
            color: var(--text-color);
        }
        
        .price {
            font-weight: bold;
            color: var(--accent-color);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        
        .features {
            list-style-type: none;
            margin-bottom: 2rem;
            flex-grow: 1;
        }
        
        .features li {
            margin-bottom: 0.6rem;
            position: relative;
            padding-left: 1.8rem;
            line-height: 1.5;
        }
        
        .features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: #27ae60;
            font-weight: bold;
        }
        
        .badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--accent-color);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            text-transform: uppercase;
        }
        
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .info-table th, .info-table td {
            border: 1px solid #e0e0e0;
            padding: 1rem;
            text-align: left;
        }
        
        .info-table th {
            background-color: var(--light-color);
            font-weight: 600;
        }
        
        .info-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        .info-table tr:hover {
            background-color: #f0f7ff;
        }
        
        .how-to-list {
            list-style-type: none;
            counter-reset: step-counter;
        }
        
        .how-to-list li {
            counter-increment: step-counter;
            margin-bottom: 2rem;
            padding-left: 4rem;
            position: relative;
            margin-top:1rem ;
        }
        
        .how-to-list li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background-color: var(--secondary-color);
            color: white;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .alert {
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 8px;
            /*  border-left: 5px solid;*/
        }
        
        .warning {
            background-color: #fff4e5;
            border-left-color: #f39c12;
        }
        
        .warning h4 {
            color: #e67e22;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .danger {
            background-color: #ffebee;
            border-left-color: #e74c3c;
        }
        
        .danger h4 {
            color: #c0392b;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .alert-icon {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }
        
        .protocol-comparison {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .protocol-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            /*  border-left: 4px solid var(--secondary-color);*/
            transition: var(--transition);
        }
        
        .protocol-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        
        .protocol-card h4 {
            color: var(--primary-color);
            margin-bottom: 0.8rem;
            font-size: 1.3rem;
        }
        
        .protocol-card p {
            margin-bottom: 0.5rem;
        }
        
        .protocol-card strong {
            color: var(--primary-color);
        }
        
        .copy-section {
            display: flex;
            justify-content: center;
            margin: 2rem 0;
        }
        
        .copy-container {
            display: flex;
            background-color: white;
            border-radius: 30px;
            box-shadow: var(--shadow);
            overflow: hidden;
            max-width: 500px;
            width: 100%;
        }
        
        .copy-input {
            flex-grow: 1;
            padding: 0.8rem 1.5rem;
            border: none;
            background-color: #f5f5f5;
            font-size: 0.9rem;
        }
        
        .copy-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: bold;
        }
        
        .copy-btn:hover {
            background-color: #2980b9;
        }
        
        .copy-icon {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }
        
        .advertising-section {
            background-color: #f8f9fa;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
            /*  border-left: 5px solid var(--secondary-color);*/
            /*  position: relative;*/
            overflow: hidden;
        }
        
        .payment-section {
            background-color: #f0f8ff;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
            /*  border-left: 5px solid #3498db;*/
            /*  position: relative;*/
            overflow: hidden;
        }
        
        .payment-methods {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        
        .payment-method {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 1rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        
        .payment-method:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        
        .payment-icon {
            width: 30px;
            height: 30px;
            object-fit: contain;
        }
        
        .paypal-button {
            background-color: #0070ba;
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
            box-shadow: var(--shadow);
            margin: 1rem 0;
        }
        
        .paypal-button:hover {
            background-color: #005ea6;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        
        .paypal-icon {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }
        
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
            margin-top: 3rem;
        }
        
        .footer-content {
            max-width: 100%;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: left;
        }
        
        .footer-column h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: var(--transition);
            display: block;
            padding: 0.3rem 0;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .copyright {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .copyright a{
            color: var(--text-light);
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 2rem;
            
            text-decoration: none;
        }
        
        /* Mobile menu styles */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background-color: rgba(0,0,0,0.9);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        
        .mobile-menu.active {
            transform: translateX(0);
        }
        
        .mobile-menu ul {
            list-style: none;
            text-align: center;
            width: 100%;
            max-width: 300px;
        }
        
        .mobile-menu li {
            margin-bottom: 1.5rem;
        }
        
        .mobile-menu a {
            color: white;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            display: block;
            transition: var(--transition);
            border-radius: 5px;
        }
        
        .mobile-menu a:hover {
            background-color: rgba(255,255,255,0.1);
            color: var(--secondary-color);
        }
        
        .close-menu {
            position: absolute;
            top: 2rem;
            right: 2rem;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }
        
        /* Responsive adjustments */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.4rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            section {
                padding: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav.desktop-nav {
                display: none;
            }
            
            .hero {
                padding: 4rem 1.5rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 250px;
                justify-content: center;
            }
            
            .container {
                /*  padding: 0 1.5rem;*/
            }
            
            section {
                padding: 1.8rem;
                margin-bottom: 2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            h3 {
                font-size: 1.4rem;
            }
            
            .vpn-providers {
                grid-template-columns: 1fr;
            }
            
            .how-to-list li {
                padding-left: 3.5rem;
            }
            
            .copy-container {
                flex-direction: column;
                border-radius: 10px;
            }
            
            .copy-input {
                padding: 1rem;
                text-align: center;
            }
            
            .copy-btn {
                padding: 0.8rem;
                justify-content: center;
            }
            
            .payment-methods {
                grid-template-columns: 1fr 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .footer-column h4::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        
        @media (max-width: 480px) {
            .hero {
                padding: 3rem 1rem;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            section {
                padding: 1.5rem;
            }
            
            .payment-methods {
                grid-template-columns: 1fr;
            }
            
            .protocol-comparison {
                grid-template-columns: 1fr;
            }
        }