/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

/* 现代导航条样式 - 简洁风格 */
.modern-navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

/* 导航条容器 */
.modern-navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 50px;
}

/* 导航条左侧 - Logo区域 */
.modern-navbar-left {
    display: flex;
    align-items: center;
}

.modern-navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Logo图片 */
.modern-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
    transition: transform 0.3s ease;
}

.modern-navbar-logo:hover .modern-logo-img {
    transform: scale(1.05);
}

/* Logo文字 */
.modern-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #21507e;
    letter-spacing: -0.3px;
    transition: all 0.3s ease;
}

.modern-navbar-logo:hover .modern-logo-text {
    color: #667eea;
}

/* 导航条右侧 - 登录注册链接 */
.modern-navbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 导航链接样式 - 简单a标签效果 */
.modern-nav-link {
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    color: #666;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 4px;
}

/* 登录链接 */
.login-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

/* 用户下拉菜单样式 */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-greeting {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(102, 126, 234, 0.08);
    cursor: pointer;
    transition: all 0.2s ease;
}

.user-greeting:hover {
    background: rgba(102, 126, 234, 0.15);
}

.greeting-text {
    font-size: 14px;
    color: #666;
}

.username {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.dropdown-arrow {
    font-size: 10px;
    color: #666;
    transition: transform 0.2s ease;
}

.user-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 120px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 5px;
}

.user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 16px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s;
}

.dropdown-item:hover {
    background-color: #f5f5f5;
    color: #e74c3c;
}

.dropdown-item:first-child {
    border-radius: 8px 8px 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 8px 8px;
}

/* 用户菜单样式 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-greeting {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.dropdown-btn:hover {
    background: rgba(102, 126, 234, 0.05);
}

.dropdown-icon {
    width: 16px;
    height: 16px;
    color: #666;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background: white;
    min-width: 120px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    z-index: 1000;
    margin-top: 5px;
}

.dropdown-content a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    transition: background 0.2s ease;
}

.dropdown-content a:hover {
    background: rgba(102, 126, 234, 0.05);
    color: #667eea;
}

.dropdown-content a:first-child {
    border-radius: 8px 8px 0 0;
}

.dropdown-content a:last-child {
    border-radius: 0 0 8px 8px;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .modern-navbar-container {
        padding: 0 15px;
        height: 45px;
    }
    
    .modern-logo-img {
        width: 28px;
        height: 28px;
    }
    
    .modern-logo-text {
        font-size: 18px;
    }
    
    .modern-navbar-right {
        gap: 15px;
    }
    
    .modern-nav-link {
        font-size: 13px;
    }
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: #667eea;
}

.logo span {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

/* 主要内容 */
.main-content {
    flex: 1;
}

/* 文件信息卡片 */
.file-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 25px;
}

.file-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
}

.icon-file {
    width: 64px;
    height: 64px;
    color: #667eea;
}

.file-info h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.file-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

/* 下载区域 */
.download-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.download-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    text-align: center;
    color: #333;
}

/* 下载选项 */
.download-option {
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.normal-download {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.premium-download {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    border-color: #ffd54f;
}

.premium-download::before {
    content: '推荐';
    position: absolute;
    top: -1px;
    right: -15px;
    background: #ff6b35;
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    transform: rotate(45deg);
}

.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.option-header h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.speed-limit {
    background: #dc3545;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.speed-unlimited {
    background: #28a745;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.option-features {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.feature-icon {
    width: 16px;
    height: 16px;
    color: #667eea;
}

/* 下载按钮 */
.download-btn {
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: none;
}

.normal-btn {
    background: #6c757d;
    color: white;
}

.normal-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.premium-btn {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
}

.premium-btn:hover {
    background: linear-gradient(135deg, #f7931e 0%, #ff6b35 100%);
    transform: translateY(-1px);
}

/* 下载进度 */
.download-progress {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-text {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.progress-speed {
    font-size: 14px;
    color: #666;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.cancel-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.cancel-btn:hover {
    background: #c82333;
}

/* 底部 */
.footer {
    text-align: center;
    padding: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.modal-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.modal-content p {
    font-size: 16px;
    color: #666;
    margin-bottom: 25px;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-cancel, .btn-confirm {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background: #6c757d;
    color: white;
}

.btn-cancel:hover {
    background: #5a6268;
}

.btn-confirm {
    background: #28a745;
    color: white;
}

.btn-confirm:hover {
    background: #218838;
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to { 
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* 支付弹窗样式 */
.payment-content {
    max-width: 400px;
}

.payment-amount {
    text-align: center;
    font-size: 18px;
    color: #333;
    margin-bottom: 20px;
}

.amount {
    color: #ff6b35;
    font-size: 24px;
    font-weight: 600;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.payment-option {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.payment-option:hover {
    border-color: #667eea;
    background: #f0f4ff;
    transform: translateY(-1px);
}

.payment-option.selected {
    border-color: #667eea;
    background: #f0f4ff;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.payment-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wechat .payment-icon {
    background: #07c160;
    color: white;
}

.payment-info h4 {
    font-size: 16px;
    margin-bottom: 2px;
    color: #333;
}

.payment-info p {
    font-size: 12px;
    color: #666;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .file-card {
        flex-direction: column;
        padding: 20px;
    }
    
    .option-features {
        gap: 10px;
    }
    
    .download-option {
        padding: 20px;
    }
    
    .modal-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 20px;
    }
    
    .file-info h2 {
        font-size: 20px;
    }
    
    .download-title {
        font-size: 18px;
    }
    
    .option-header h4 {
        font-size: 16px;
    }
    
    .download-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

/* 支付弹窗样式 */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.payment-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    position: relative;
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.payment-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
}

.payment-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.payment-close:hover {
    color: #666;
}

.payment-amount {
    text-align: center;
    margin-bottom: 25px;
}

.amount-label {
    font-size: 16px;
    color: #666;
}

.amount-value {
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
}

.payment-options {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.payment-option {
    flex: 1;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: #667eea;
    transform: translateY(-2px);
}

.payment-option.selected {
    border-color: #667eea;
    background: #f8f9ff;
}

.payment-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alipay-icon {
    background: #1677ff;
}

.alipay-icon::before {
    content: '支';
    color: white;
    font-weight: bold;
    font-size: 16px;
}

.wechat-icon {
    background: #07c160;
}

.wechat-icon::before {
    content: '微';
    color: white;
    font-weight: bold;
    font-size: 16px;
}

.payment-option span {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.payment-actions {
    display: flex;
    gap: 10px;
}

.payment-cancel-btn {
    flex: 1;
    padding: 12px;
    border: 1px solid #e0e0e0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.payment-cancel-btn:hover {
    background: #f5f5f5;
}

.payment-confirm-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: #667eea;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.payment-confirm-btn:hover {
    background: #5a6fd8;
}

.payment-confirm-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 支付二维码样式 */
.payment-qr-container {
    text-align: center;
}

.qr-code-section h3 {
    margin-bottom: 20px;
    color: #333;
    font-size: 16px;
}

.qr-code-placeholder {
    margin: 20px auto;
    display: inline-block;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 10px;
    background: white;
}

.qr-code-placeholder img {
    display: block;
    max-width: 200px;
    height: auto;
}

.qr-tip {
    color: #666;
    font-size: 14px;
    margin: 15px 0;
}

.payment-status {
    margin: 20px 0;
}

.status-waiting {
    color: #ff9800;
    font-size: 14px;
    animation: pulse 1.5s infinite;
}

.status-success {
    color: #4caf50;
    font-size: 16px;
    font-weight: bold;
}

.payment-back-btn {
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 15px;
    transition: all 0.3s ease;
}

.payment-back-btn:hover {
    background: #e8e8e8;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* 会员图标和等级样式 */
.user-membership {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.membership-icon {
    font-size: 16px;
}

.membership-level {
    font-size: 12px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* V1会员样式 - 青色流光效果 */
.membership-v1 {
    color: #00FFFF;
    position: relative;
    overflow: hidden;
}

.membership-v1 .membership-level {
    background: linear-gradient(135deg, #00FFFF, #40E0D0);
    color: #333;
    position: relative;
    overflow: hidden;
}

/* V1流光特效 - 选项1：水平流光 */
.membership-v1.streaming-1 .membership-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: streaming-horizontal 2s infinite;
}

/* V1流光特效 - 选项2：脉冲效果 */
.membership-v1.streaming-2 .membership-level {
    animation: pulse-glow 2s infinite;
}

/* V1流光特效 - 选项3：边框流光 */
.membership-v1.streaming-3 {
    position: relative;
}

.membership-v1.streaming-3::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00FFFF, #40E0D0, #00FFFF);
    border-radius: 12px;
    z-index: -1;
    animation: border-streaming 3s linear infinite;
}

/* V2会员样式 - 紫色流光效果 */
.membership-v2 {
    color: #9D4EDD;
    position: relative;
    overflow: hidden;
}

.membership-v2 .membership-level {
    background: linear-gradient(135deg, #9D4EDD, #C77DFF);
    color: #fff;
    position: relative;
    overflow: hidden;
}

/* V2流光特效 - 选项1：旋转流光 */
.membership-v2.streaming-1 .membership-level::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: rotate-streaming 3s linear infinite;
}

/* V2流光特效 - 选项2：闪烁效果 */
.membership-v2.streaming-2 .membership-level {
    animation: sparkle-glow 1.5s infinite alternate;
}

/* V2流光特效 - 选项3：粒子效果 */
.membership-v2.streaming-3 .membership-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
                      radial-gradient(circle at 70% 65%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
                      radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.8) 0%, transparent 2%);
    background-size: 10px 10px;
    animation: particle-move 5s linear infinite;
}

/* V3会员样式 - 金色流光效果 */
.membership-v3 {
    color: #FFB700;
    position: relative;
    overflow: hidden;
}

.membership-v3 .membership-level {
    background: linear-gradient(135deg, #FFB700, #FFD700);
    color: #333;
    position: relative;
    overflow: hidden;
}

/* V3流光特效 - 选项1：波浪流光 */
.membership-v3.streaming-1 .membership-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    background-size: 200% 100%;
    animation: wave-streaming 2s linear infinite;
}

/* V3流光特效 - 选项2：彩虹流光 */
.membership-v3.streaming-2 .membership-level {
    background: linear-gradient(90deg, #FFB700, #FFD700, #FFA500, #FF8C00, #FFB700);
    background-size: 300% 100%;
    animation: rainbow-streaming 3s linear infinite;
    color: #fff;
}

/* V3流光特效 - 选项3：星星闪烁 */
.membership-v3.streaming-3 .membership-icon::before,
.membership-v3.streaming-3 .membership-icon::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.8);
    animation: star-twinkle 1.5s infinite;
}

.membership-v3.streaming-3 .membership-icon::before {
    top: -5px;
    left: 50%;
    animation-delay: 0s;
}

.membership-v3.streaming-3 .membership-icon::after {
    bottom: -5px;
    left: 30%;
    animation-delay: 0.7s;
}

/* 流光动画定义 */
@keyframes streaming-horizontal {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 255, 255, 0.5); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 255, 0.8), 0 0 30px rgba(0, 255, 255, 0.4); }
}

@keyframes border-streaming {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes rotate-streaming {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes sparkle-glow {
    0% { box-shadow: 0 0 5px rgba(157, 78, 221, 0.5); }
    100% { box-shadow: 0 0 15px rgba(157, 78, 221, 0.8), 0 0 25px rgba(157, 78, 221, 0.4); }
}

@keyframes particle-move {
    0% { background-position: 0 0; }
    100% { background-position: 20px 20px; }
}

@keyframes wave-streaming {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

@keyframes rainbow-streaming {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

@keyframes star-twinkle {
    0%, 100% { opacity: 0; transform: scale(0.5); }
    50% { opacity: 1; transform: scale(1); }
}