/* 🎨 MQuote 邮箱验证页面样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主题颜色 */
    --primary-color: #007AFF;
    --primary-dark: #0056CC;
    --secondary-color: #5856D6;
    --success-color: #34C759;
    --error-color: #FF3B30;
    --warning-color: #FF9500;
    
    /* 背景颜色 */
    --bg-primary: #F2F2F7;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    
    /* 文字颜色 */
    --text-primary: #000000;
    --text-secondary: #8E8E93;
    --text-tertiary: #C7C7CC;
    
    /* 阴影 */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    
    /* 圆角 */
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* 深色主题 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1C1C1E;
        --bg-card: #2C2C2E;
        
        --text-primary: #FFFFFF;
        --text-secondary: #8E8E93;
        --text-tertiary: #48484A;
        
        --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
}

/* 基础布局 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    position: relative;
}

.container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* 卡片样式 */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* Logo 区域 */
.logo-container {
    margin-bottom: var(--spacing-xl);
}

.logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-medium);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-light);
}

.logo-container h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

/* 🏠 首页样式 */
.homepage-container {
    text-align: center;
}

.hero-section {
    margin-bottom: var(--spacing-xl);
}

.hero-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* 功能特色区域 */
.features-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-medium);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-medium);
    color: white;
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 下载区域 */
.download-section {
    margin-bottom: var(--spacing-xl);
}

.download-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.download-btn {
    display: block;
    transition: transform 0.2s ease;
}

.download-btn:hover {
    transform: scale(1.05);
}

.download-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* 联系区域 */
.contact-section {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-medium);
    margin-bottom: var(--spacing-lg);
}

.contact-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-section p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-section a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-section a:hover {
    text-decoration: underline;
}

/* 加载动画 */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--text-tertiary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 结果容器 */
.result-container {
    padding: var(--spacing-xl) 0;
}

.result-container h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--spacing-md) 0;
}

.result-container p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

/* 图标样式 */
.icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
}

.success-icon {
    background: var(--success-color);
    color: white;
}

.error-icon {
    background: var(--error-color);
    color: white;
}

/* 按钮样式 */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-medium);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-icon {
    font-size: 1.2rem;
}

/* 应用商店链接 */
.store-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.store-badge {
    height: 48px;
    transition: transform 0.2s ease;
}

.store-badge:hover {
    transform: scale(1.05);
}

/* 帮助区域 */
.help-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--text-tertiary);
}

.help-section details {
    text-align: left;
}

.help-section summary {
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 600;
    padding: var(--spacing-sm);
    border-radius: var(--radius-small);
    transition: background-color 0.2s ease;
}

.help-section summary:hover {
    background: var(--bg-primary);
}

.help-content {
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.help-content ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.help-content li {
    margin-bottom: var(--spacing-xs);
}

.help-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.help-content a:hover {
    text-decoration: underline;
}

/* 底部信息 */
.footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.4;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 480px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .logo {
        width: 48px;
        height: 48px;
    }
    
    .logo-container h1 {
        font-size: 1.5rem;
    }
    
    .hero-section h2 {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .result-container h2 {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
}

@media (max-width: 320px) {
    .action-buttons {
        gap: var(--spacing-sm);
    }
    
    .store-links {
        flex-direction: column;
        align-items: center;
    }
    
    .store-badge {
        height: 40px;
    }
    
    .feature-icon {
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 成功/错误状态的颜色变化 */
.success h2 {
    color: var(--success-color);
}

.error h2 {
    color: var(--error-color);
}

/* 高对比度支持 */
@media (prefers-contrast: high) {
    :root {
        --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
        --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}

/* 减少动画支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .spinner {
        animation: none;
        border: 3px solid var(--primary-color);
    }
}

/* 🌐 语言切换器样式 */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.lang-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.lang-btn:hover .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 140px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.lang-option:hover {
    background: rgba(102, 126, 234, 0.1);
}

.lang-option:first-child {
    border-radius: 12px 12px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 12px 12px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .language-switcher {
        top: 15px;
        right: 15px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .lang-dropdown {
        min-width: 120px;
    }
    
    .lang-option {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* 容器样式 */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 20px;
}

/* Logo样式 */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.logo-container h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

/* 🏠 首页样式 */
.homepage-container {
    text-align: center;
}

.hero-section {
    margin-bottom: 50px;
}

.hero-section h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-description {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* 功能特色样式 */
.features-section {
    margin-bottom: 50px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    text-align: left;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.feature-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.feature-content p {
    color: #666;
    line-height: 1.5;
}

/* 下载按钮样式 */
.download-section {
    margin-bottom: 40px;
}

.download-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.download-btn {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.store-badge {
    height: 60px;
    width: auto;
}

.download-note {
    color: #888;
    font-size: 0.9rem;
    font-style: italic;
}

/* 联系信息样式 */
.contact-section {
    background: rgba(102, 126, 234, 0.05);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.contact-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.contact-section p {
    color: #666;
    line-height: 1.6;
}

.contact-section a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-section a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* 📧 验证页面样式 - 升级版设计 */
.verification-container {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease-out;
    position: relative;
}

/* 🎨 改进的加载动画 */
.loading-container {
    padding: 50px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.spinner {
    width: 64px;
    height: 64px;
    position: relative;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--primary-color, #667eea), #764ba2, var(--primary-color, #667eea));
    animation: spin 1.5s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.spinner::before {
    content: '';
    position: absolute;
    width: 52px;
    height: 52px;
    background: var(--bg-card, white);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner::after {
    content: '📧';
    position: absolute;
    font-size: 1.5rem;
    z-index: 2;
    animation: pulse 1.5s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.loading-container p {
    color: var(--text-secondary, #666);
    font-size: 1.1rem;
    animation: textPulse 2s ease-in-out infinite;
    position: relative;
}

.loading-container p::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

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

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* 🎨 改进的结果容器 */
.result-container {
    padding: 50px 20px;
    animation: slideUp 0.8s ease-out;
}

.icon {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    font-weight: bold;
    margin: 0 auto 30px;
    color: white;
    animation: iconBounce 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3), transparent);
    border-radius: 50%;
}

.success-icon {
    background: linear-gradient(135deg, var(--success-color, #4CAF50), #45a049, #66BB6A);
    box-shadow: 0 12px 40px rgba(76, 175, 80, 0.4);
}

.error-icon {
    background: linear-gradient(135deg, var(--error-color, #f44336), #d32f2f, #E57373);
    box-shadow: 0 12px 40px rgba(244, 67, 54, 0.4);
}

@keyframes iconBounce {
    0% { transform: scale(0.3) rotate(-10deg); opacity: 0; }
    50% { transform: scale(1.1) rotate(5deg); }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-container h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary, #333);
    position: relative;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.result-container p {
    color: var(--text-secondary, #666);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 35px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 按钮样式 */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-height: 50px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-weight: 700;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-icon {
    font-size: 1.2rem;
}

/* 应用商店链接 */
.store-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
}

.store-links a {
    transition: all 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
}

.store-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 帮助信息 */
.help-section {
    margin-top: 40px;
    text-align: left;
}

.help-section details {
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.help-section summary {
    font-weight: 600;
    color: #333;
    cursor: pointer;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.help-section summary:hover {
    color: #667eea;
}

.help-content {
    margin-top: 15px;
    color: #666;
    line-height: 1.6;
}

.help-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.help-content li {
    margin-bottom: 5px;
}

.help-content a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.help-content a:hover {
    text-decoration: underline;
}

/* 🎨 验证进度指示器样式 */
.verification-header {
    margin-bottom: 40px;
}

.verification-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    max-width: 300px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.4;
    transition: all 0.3s ease;
}

.step.active {
    opacity: 1;
}

.step.completed {
    opacity: 1;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--text-tertiary, #ccc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    transition: all 0.3s ease;
}

.step.active .step-icon {
    background: linear-gradient(135deg, var(--primary-color, #667eea), #764ba2);
    animation: stepPulse 1.5s ease-in-out infinite;
}

.step.completed .step-icon {
    background: linear-gradient(135deg, var(--success-color, #4CAF50), #45a049);
}

.step span {
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    font-weight: 500;
}

.step-line {
    width: 40px;
    height: 2px;
    background: var(--text-tertiary, #ccc);
    position: relative;
}

.step-line.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color, #667eea), #764ba2);
    width: 0;
    animation: lineProgress 1s ease-out forwards;
}

@keyframes stepPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(102, 126, 234, 0); }
}

@keyframes lineProgress {
    to { width: 100%; }
}

/* 🎨 加载详情样式 */
.loading-details {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0.8;
}

.loading-step {
    font-size: 0.95rem;
    color: var(--text-secondary, #666);
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 20px;
    transition: all 0.3s ease;
    animation: loadingStepFade 2s ease-in-out infinite;
}

.loading-step:nth-child(1) { animation-delay: 0s; }
.loading-step:nth-child(2) { animation-delay: 0.5s; }
.loading-step:nth-child(3) { animation-delay: 1s; }

@keyframes loadingStepFade {
    0%, 100% { opacity: 0.4; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(5px); }
}

/* 🎨 成功动画样式 */
.success-animation {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.success-circles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
}

.success-circles div {
    position: absolute;
    border: 2px solid var(--success-color, #4CAF50);
    border-radius: 50%;
    animation: successRipple 1.2s ease-out;
}

.circle-1 {
    width: 120px;
    height: 120px;
    animation-delay: 0s;
}

.circle-2 {
    width: 100px;
    height: 100px;
    top: 10px;
    left: 10px;
    animation-delay: 0.2s;
}

.circle-3 {
    width: 80px;
    height: 80px;
    top: 20px;
    left: 20px;
    animation-delay: 0.4s;
}

@keyframes successRipple {
    0% { transform: scale(0.3); opacity: 1; }
    100% { transform: scale(1); opacity: 0; }
}

/* 🎨 成功信息卡片 */
.success-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 30px 0;
    padding: 20px;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05), rgba(69, 160, 73, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-content h4 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #333);
}

.info-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    line-height: 1.4;
}

/* 🎨 错误动画样式 */
.error-animation {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.error-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid var(--error-color, #f44336);
    border-radius: 50%;
    animation: errorPulse 1.5s ease-out infinite;
}

@keyframes errorPulse {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 0; }
}

/* 🎨 错误解决方案 */
.error-solutions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 30px 0;
    padding: 20px;
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.05), rgba(211, 47, 47, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(244, 67, 54, 0.1);
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: var(--bg-secondary, white);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    background: rgba(244, 67, 54, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-content h4 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #333);
}

.solution-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    line-height: 1.4;
}

/* 底部信息 */
.footer {
    text-align: center;
    margin-top: 40px;
    padding: 30px 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
}

.footer a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .card {
        padding: 25px;
        margin-top: 10px;
    }
    
    .logo-container h1 {
        font-size: 2rem;
    }
    
    .hero-section h2 {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .feature-icon {
        align-self: center;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .store-badge {
        height: 50px;
    }
    
    .action-buttons {
        gap: 12px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .store-links {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .card {
        padding: 20px;
        border-radius: 15px;
    }
    
    .logo {
        width: 60px;
        height: 60px;
    }
    
    .logo-container h1 {
        font-size: 1.8rem;
    }
    
    .hero-section h2 {
        font-size: 1.4rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .feature-content h3 {
        font-size: 1.1rem;
    }
    
    .feature-content p {
        font-size: 0.95rem;
    }
}