@charset "utf-8";


        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #4f46e5;
            --accent: #ec4899;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
            --gray-light: #e2e8f0;
            --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--warning) 100%);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1660px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: var(--gradient-primary);
            color: white;
            padding: 25px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            /*  position: sticky;*/
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .logo {
            font-size: 32px;
            font-weight: 800;
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: #ffd700;
            margin-left: 8px;
        }
        
        .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            margin-left: 5px;
        }
        
        /* 导航样式 */
        nav {
            margin: 20px 0;
            width: 100%;
        }
        
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 5px;
            justify-content: center;
        }
        
        .nav-links li a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 12px 25px;
            border-radius: 50px;
            transition: var(--transition);
            background-color: rgba(255, 255, 255, 0.1);
            font-weight: 500;
        }
        
        .nav-links li a:hover, .nav-links li a.active {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        
        /* 工具按钮 */
        .utility-buttons {
            display: flex;
            gap: 15px;
        }
        
        .copy-btn {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 10px 20px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        
        .copy-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        
        /* 主内容区域 */
        .main-content {
            padding: 10px 0;
        }
        
        .section {
            margin: 10px 10px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--dark);
            position: relative;
            padding-bottom: 20px;
            font-size: 32px;
            font-weight: 700;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
        
        .section-subtitle {
            text-align: center;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 18px;
            line-height: 1.6;
        }
        
        /* 卡片样式 */
        .card {
            background: white;
            border-radius: 16px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .card-title {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 24px;
            /*  display: flex;*/
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        
        .card-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 10px;
            color: var(--primary);
        }
        
        /* 广告分隔符 */
        .ad-divider {
            width: 100%;
            height: auto;
            background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
            margin: 70px auto;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            position: relative;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            padding-top: 30px;
            padding-bottom: 30px;
        }
        
        .ad-divider-content {
            text-align: center;
            z-index: 2;
            padding: 0 20px;
        }
        
        .ad-divider-content h3 {
            font-size: 28px;
            margin-bottom: 10px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            font-weight: 600;
        }
        
        .ad-divider-content p {
            font-size: 18px;
            opacity: 0.9;
        }
        
        .ad-label {
            position: absolute;
            top: 15px;
            right: 15px;
            background: white;
            color: var(--accent);
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .ad-divider-label {
            position: absolute;
            top: 15px;
            right: 15px;
            background: white;
            color: var(--accent);
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        
        /* 网格布局 */
        .grid {
            display: grid;
            gap: 30px;
        }
        
        .grid-3 {
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        }
        
        .grid-2 {
            grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
        }
        
        /* 广告类型卡片 */
        .ad-type-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .ad-type-card:hover {
            transform: translateY(-8px);
        }
        
        .ad-type-header {
            background: var(--gradient-primary);
            color: white;
            padding: 25px;
            text-align: center;
            position: relative;
        }
        
        .ad-type-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: white;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 700;
        }
        
        .ad-type-body {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .ad-type-price {
            font-size: 28px;
            color: var(--primary);
            text-align: center;
            margin: 15px 0;
            font-weight: 800;
        }
        
        .ad-type-desc {
            margin-bottom: 20px;
            color: var(--gray);
            flex-grow: 1;
            line-height: 1.6;
        }
        
        .ad-type-features {
            list-style: none;
            margin: 20px 0;
        }
        
        .ad-type-features li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--gray-light);
            display: flex;
            align-items: center;
        }
        
        .ad-type-features li:before {
            content: '✓';
            color: var(--success);
            margin-right: 12px;
            font-weight: bold;
            font-size: 16px;
        }
        
        .ad-type-footer {
            padding: 20px 25px;
            border-top: 1px solid var(--gray-light);
            text-align: center;
        }

        .ad-type-footer a {
            text-decoration: none;
            color: white;
        }
        
        /* 链接广告样式 */
        .link-ad-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .link-ad-item {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .link-ad-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .link-ad-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 20px;
            flex-shrink: 0;
        }
        
        .link-ad-content {
            flex-grow: 1;
        }
        
        .link-ad-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .link-ad-desc {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 10px;
        }
        
        .link-ad-url {
            font-size: 12px;
            color: var(--primary);
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .link-ad-url a {            
            text-decoration: none;
            font-weight:bold ;
        }
        
        /* 内容广告样式 */
        .content-ad-container {
            margin: 40px 0;
        }
        
        .content-ad {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            margin-bottom: 30px;
        }
        
        .content-ad-header {
            background: var(--gradient-primary);
            color: white;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .content-ad-badge {
            background: var(--accent);
            color: white;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 700;
        }
        
        .content-ad-body {
            padding: 25px;
        }
        
        .content-ad-title {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark);
            font-weight: 600;
        }
        
        .content-ad-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--gray);
        }
        
        .content-ad-image {
            width: 100%;
            height: 200px;
            background: var(--gray-light);
            border-radius: 12px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-weight: 500;
        }
        
        .content-ad-text {
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .content-ad-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 25px;
            border-top: 1px solid var(--gray-light);
        }
        
        .content-ad-tags {
            display: flex;
            gap: 8px;
        }
        
        .content-ad-tag {
            background: var(--gray-light);
            color: var(--gray);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 12px;
        }
        
        .content-ad-link {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        /* 合作伙伴样式 */
        .partners-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .partner-item {
            background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        
        .partner-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .partner-logo {
            width: 80px;
            height: 80px;
            background: var(--gray-light);
            border-radius: 50%;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-weight: bold;
            font-size: 16px;
        }
        
        .partner-name {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .partner-desc {
            font-size: 14px;
            color: var(--gray);
            text-align: center;
        }
        
        /* 友情链接样式 */
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        
        .friend-link {
            background: white;
            padding: 15px 20px;
            border-radius: 10px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .friend-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .friend-link-icon {
            width: 40px;
            height: 40px;
            background: var(--gradient-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            flex-shrink: 0;
        }
        
        .friend-link-content {
            flex-grow: 1;
        }
        
        .friend-link-title {
            font-weight: 600;
            margin-bottom: 3px;
            color: var(--dark);
        }
        
        .friend-link-url {
            font-size: 12px;
            color: var(--primary);            
        }

        .friend-link-url a {            
            text-decoration: none;
            font-weight:bold ;
        }
        
        /* 支付方式 */
        .payment-methods {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .payment-card {
            text-align: center;
            padding: 30px;
        }
        
        .qrcode {
            max-width: 100%;
            max-height: auto;
            margin: 30px auto 30px;
            background: white;
            padding: 15px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--gray);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--gray-light);
        }
        
        .qrcode span {
            font-size: 14px;
            text-align: center;
        }
        
        /* 优势部分 */
        .advantages {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .advantage-card {
            text-align: center;
            padding: 30px 25px;
        }
        
        .advantage-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 30px;
        }
        
        /* 表单样式 */
        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .form-control {
            width: 100%;
            padding: 15px 20px;
            border: 1px solid var(--gray-light);
            border-radius: 10px;
            font-size: 16px;
            transition: var(--transition);
            background: white;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        .form-check {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
        }
        
        .form-check input {
            width: 18px;
            height: 18px;
        }
        
        /* 文件上传样式 */
        .file-upload {
            position: relative;
            margin-bottom: 25px;
        }
        
        .file-upload-label {
            display: block;
            padding: 15px 20px;
            border: 2px dashed var(--gray-light);
            border-radius: 10px;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            background: #f9fafb;
        }
        
        .file-upload-label:hover {
            border-color: var(--primary);
            background: rgba(37, 99, 235, 0.05);
        }
        
        .file-upload-input {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        
        .file-upload-icon {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .file-upload-text {
            color: var(--gray);
            margin-bottom: 5px;
        }
        
        .file-upload-hint {
            font-size: 12px;
            color: var(--gray);
        }
        
        .file-list {
            margin-top: 15px;
        }
        
        .file-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 15px;
            background: #f1f5f9;
            border-radius: 8px;
            margin-bottom: 8px;
        }
        
        .file-name {
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-right: 10px;
        }
        
        .file-remove {
            color: var(--danger);
            cursor: pointer;
            font-weight: bold;
        }
        
        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: white;
            padding: 15px 30px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
        }
        
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(37, 99, 235, 0.25);
        }
        
        .btn-block {
            display: flex;
            width: 100%;
        }
        
        .btn-secondary {
            background: var(--secondary);
            box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
        }
        
        .btn-secondary:hover {
            background: #4338ca;
            box-shadow: 0 6px 12px rgba(79, 70, 229, 0.25);
        }
        
        /* 流程步骤样式 */
        .process-steps {
            display: flex;
            justify-content: space-between;
            margin: 40px 0;
            position: relative;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gray-light);
            z-index: 1;
        }
        
        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background: var(--gradient-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            font-weight: bold;
            position: relative;
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
        }
        
        .step-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .step-desc {
            color: var(--gray);
            font-size: 14px;
            max-width: 200px;
            margin: 0 auto;
            line-height: 1.5;
        }
        
        /* 价格表格样式 */
        .pricing-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }
        
        .pricing-table th, .pricing-table td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid var(--gray-light);
        }
        
        .pricing-table th {
            background: var(--gradient-primary);
            color: white;
            font-weight: 600;
        }
        
        .pricing-table tr:last-child td {
            border-bottom: none;
        }
        
        .pricing-table tr:hover {
            background: #f8fafc;
        }
        
        .price-highlight {
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
        }
        
        /* 页脚样式 */
        footer {
            background: var(--dark);
            color: white;
            padding: 10px 0 30px;
            margin-top: 10px;
        }

        footer a{
            text-decoration: none;
            color:  var(--primary);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        
        
        
        .contact-info {
            list-style: none;
        }

        .contact-info a {
            color: white;
        }
        
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray-light);
        }
        
        /* 付款状态指示器 */
        .payment-status {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            width: fit-content;
        }
        
        .payment-status.paid {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success);
        }
        
        .payment-status.unpaid {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger);
        }
        
        .payment-status.pending {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning);
        }
        
        /* 投稿状态指示器 */
        .contribution-status {
            display: inline-block;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            margin-left: 10px;
        }
        
        .status-published {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success);
        }
        
        .status-pending {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning);
        }
        
        .status-rejected {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--danger);
        }
        
        /* 新增样式：动画和交互效果 */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .stat-card {
            background: white;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--card-shadow);
        }
        
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .stat-label {
            color: var(--gray);
            font-weight: 500;
        }
        
        .testimonial-container {
            margin: 40px 0;
        }
        
        .testimonial {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            margin-bottom: 30px;
            position: relative;
        }
        
        .testimonial:before {
            content: '"';
            font-size: 80px;
            color: var(--primary);
            opacity: 0.1;
            position: absolute;
            top: 20px;
            left: 20px;
            line-height: 1;
        }
        
        .testimonial-content {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            line-height: 1.7;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 20px;
        }
        
        .author-info h4 {
            margin-bottom: 5px;
            font-weight: 600;
        }
        
        .author-info p {
            color: var(--gray);
            font-size: 14px;
        }
        
        .floating-chat {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            z-index: 99;
            transition: var(--transition);
        }
        
        .floating-chat:hover {
            transform: translateY(-5px) scale(1.05);
        }
        
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 4px;
            background: var(--gradient-primary);
            width: 0%;
            z-index: 1000;
            transition: width 0.2s ease;
        }
        
        /* 新增卡片式价格样式 */
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        
        .pricing-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        
        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .pricing-card-header {
            background: var(--gradient-primary);
            color: white;
            padding: 20px;
            text-align: center;
            position: relative;
        }
        
        .pricing-card-popular {
            position: absolute;
            top: 0;
            right: 20px;
            background: var(--accent);
            color: white;
            padding: 5px 15px;
            border-bottom-left-radius: 8px;
            border-bottom-right-radius: 8px;
            font-size: 12px;
            font-weight: 700;
        }
        
        .pricing-card-body {
            padding: 25px;
            flex-grow: 1;
        }
        
        .pricing-card-price {
            font-size: 32px;
            color: var(--primary);
            text-align: center;
            margin: 15px 0;
            font-weight: 800;
        }
        
        .pricing-card-price span {
            font-size: 16px;
            color: var(--gray);
            font-weight: normal;
        }
        
        .pricing-card-desc {
            margin-bottom: 20px;
            color: var(--gray);
            text-align: center;
            line-height: 1.6;
        }
        
        .pricing-card-features {
            list-style: none;
            margin: 20px 0;
        }
        
        .pricing-card-features li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--gray-light);
            display: flex;
            align-items: center;
        }
        
        .pricing-card-features li:before {
            content: '✓';
            color: var(--success);
            margin-right: 12px;
            font-weight: bold;
            font-size: 16px;
        }
        
        .pricing-card-footer {
            padding: 20px;
            border-top: 1px solid var(--gray-light);
            text-align: center;
        }

        .pricing-card-footer a {
            text-decoration: none;
            color: white;
        }
        
        /* 表单选项卡样式 */
        .form-tabs {
            display: flex;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--gray-light);
        }
        
        .form-tab {
            padding: 15px 30px;
            cursor: pointer;
            font-weight: 600;
            color: var(--gray);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }
        
        .form-tab.active {
            color: var(--primary);
            border-bottom: 3px solid var(--primary);
        }
        
        .form-tab-content {
            display: none;
        }
        
        .form-tab-content.active {
            display: block;
        }
        
        /* 表单成功消息 */
        .form-success {
            display: none;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--success);
            color: var(--success);
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .form-success i {
            font-size: 24px;
            margin-bottom: 10px;
            display: block;
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .header-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .ad-divider {
                height: auto;
                margin: 50px auto;
                padding-top: 30px;
                padding-bottom: 30px;
            }
            
            .utility-buttons {
                justify-content: center;
            }
            
            .process-steps {
                flex-wrap: wrap;
            }
            
            .process-step {
                flex: 0 0 50%;
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                flex-direction: column;
                align-items: center;
            }
            
            .grid-2, .grid-3 {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .ad-divider {
                height: auto;
                margin: 50px auto;
                padding-top: 30px;
                padding-bottom: 30px;
            }
            
            .ad-divider-content h3 {
                font-size: 22px;
            }
            
            .form-row {
                grid-template-columns: 1fr;
            }
            
            .content-ad-header {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
            
            .content-ad-meta {
                flex-direction: column;
                gap: 8px;
            }
            
            .content-ad-footer {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
            
            .content-ad-tags {
                flex-wrap: wrap;
            }
            
            .process-step {
                flex: 0 0 100%;
            }
            
            .process-steps:before {
                display: none;
            }
            
            .form-tabs {
                flex-direction: column;
            }
            
            .form-tab {
                text-align: center;
            }
        }
        
        @media (max-width: 480px) {
            .logo {
                font-size: 26px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .card {
                padding: 20px;
            }

            .ad-divider {
                height: auto;
                margin: 50px auto;
                padding-top: 30px;
                padding-bottom: 30px;
            }
            
            .ad-type-header {
                padding: 20px;
            }
            
            .ad-type-body {
                padding: 20px;
            }
            
            .qrcode {
                width: auto;
                max-width: 100%;
                height: auto;
            }
            
            .link-ad-item {
                flex-direction: column;
                text-align: center;
            }
            
            .step-number {
                width: 60px;
                height: 60px;
                font-size: 20px;
            }
            
            .pricing-card-header {
                padding: 15px;
            }
            
            .pricing-card-body {
                padding: 20px;
            }
        }

            /* 广告样式美化 */
    .ad-banner {
        width: auto;
        max-width: 100%;
        background: linear-gradient(to right, #f8f9fa, #e9ecef);
        /*  border: 1px solid #dee2e6;*/
        /*  padding: 20px;*/
        margin: 20px 0;
        position: relative;
        text-align: center;
        /*  height: 100px;*/
        display: flex;
        align-items: center;
        justify-content: center;
        /*  border-radius: 8px;*/
        overflow: hidden;
    }
    
    .ad-banner:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 8px;
        height: 100%;
        background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    }

    /* 添加表单验证样式 */
.form-control:invalid {
    border-color: red;
}

.form-success {
    display: none; /* 默认隐藏成功消息 */
    text-align: center;
    padding: 2rem;
    background-color: #f0fff4;
    border-radius: 8px;
    border: 1px solid #9ae6b4;
}

/* 加载状态 */
button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.status-message {
            margin-top: 15px;
            padding: 10px;
            border-radius: 5px;
            display: none;
            font-weight: 500;
        }
.success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }