/* BeiMo 网站样式 - V2 基于成功测试结果 */

/* 重置和基础样式 - 防白光闪烁 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止页面加载时的白光闪烁 - 立即应用深色背景 */
html {
    background-color: #1a1a2e !important;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 75%, #533483 100%) !important;
    background-size: 400% 400% !important;
    background-attachment: scroll !important;
    animation: gradientShift 15s ease infinite !important;
    min-height: 100vh !important;
}

body {
    margin: 0;
    padding: 0;
    background-color: #1a1a2e !important;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 75%, #533483 100%) !important;
    background-size: 400% 400% !important;
    background-attachment: scroll !important;
    animation: gradientShift 15s ease infinite !important;
    min-height: 100vh !important;
    color: white !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    
    /* iOS Safari 硬件加速 */
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    -webkit-perspective: 1000;
}

/* 动态背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: floatingOrbs 20s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.02) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 255, 255, 0.01) 50%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    animation: shimmer 8s ease-in-out infinite;
}

/* 动画定义 - 性能优化版 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatingOrbs {
    0%, 100% { 
        transform: translate3d(0, 0px, 0) rotate(0deg);
        opacity: 1;
    }
    33% { 
        transform: translate3d(0, -30px, 0) rotate(120deg);
        opacity: 0.8;
    }
    66% { 
        transform: translate3d(0, -60px, 0) rotate(240deg);
        opacity: 0.6;
    }
}

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

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95) !important;
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
}

/* 备用logo样式 - 如果图片加载失败 */
.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, #4285F4 0%, #1565C0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
}

.logo-icon img {
    position: absolute;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
}

.logo-icon::before {
    content: 'B';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo-icon:has(img[style*="display: none"])::before,
.logo-icon:not(:has(img))::before {
    opacity: 1;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #a8edea !important;
}

/* 语言切换按钮样式 */
.language-switch {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 4px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.lang-btn:hover {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 主要内容区域 */
.main {
    margin-top: 80px;
    position: relative;
    z-index: 2;
}

/* 英雄区域 */
.hero-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    margin: 20px;
    color: white !important;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    will-change: transform;
    transform: translateZ(0);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 600px;
}

.hero-left {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #a8edea 50%, #fed6e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.8) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.5);
}

/* 手机展示模拟器 */
.hero-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    transform: rotate(-5deg);
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 3;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
}

.phone-frame-small {
    position: absolute;
    top: 60px;
    right: -80px;
    width: 200px;
    height: 420px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 6px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transform: rotate(15deg);
    z-index: 2;
}

.phone-screen-small {
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border-radius: 24px;
    overflow: hidden;
}

.app-interface {
    padding: 20px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.signal-icons {
    display: flex;
    gap: 4px;
}

.signal, .wifi, .battery {
    width: 16px;
    height: 10px;
    background: white;
    border-radius: 2px;
}

.app-header {
    text-align: center;
    margin-bottom: 40px;
}

.app-logo-small {
    display: inline-block;
}

.logo-circle {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.chat-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.chat-bubbles {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    max-width: 80%;
}

.bubble.received {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    align-self: flex-start;
}

.bubble.sent {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    align-self: flex-end;
}

/* 小屏幕界面 */
.app-interface-small {
    padding: 15px;
    height: 100%;
    background: white;
}

.contacts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: 8px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

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

.last-message {
    font-size: 12px;
    color: #666;
}

/* 功能特点区域 */
.features-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.03) !important;
    backdrop-filter: blur(20px);
    border-radius: 24px;
    margin: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    will-change: transform;
    transform: translateZ(0);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white !important;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.08) !important;
    padding: 2.5rem 2rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    color: white !important;
}

.feature-card.featured {
    border: 1px solid rgba(102, 126, 234, 0.5);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.feature-icon.pink {
    background: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
}

.feature-icon.purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.feature-icon.blue {
    background: linear-gradient(135deg, #4285F4 0%, #1565C0 100%);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white !important;
    margin-bottom: 1rem;
}

.feature-description {
    color: rgba(255, 255, 255, 0.7) !important;
    line-height: 1.6;
}

/* 安全保护区域 */
.security-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(20px);
    border-radius: 24px;
    margin: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    will-change: transform;
    transform: translateZ(0);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white !important;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.security-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8) !important;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.security-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.security-right {
    position: relative;
}

.security-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.laptop-mockup {
    width: 400px;
    height: 250px;
    background: #2d3748;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.laptop-screen {
    width: 100%;
    height: 100%;
    background: #1a202c;
    border-radius: 8px;
    overflow: hidden;
}

.code-editor {
    height: 100%;
    background: #1a202c;
    color: #e2e8f0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.editor-header {
    background: #2d3748;
    padding: 8px 16px;
    border-bottom: 1px solid #4a5568;
}

.editor-tabs {
    display: flex;
    gap: 16px;
}

.tab {
    font-size: 12px;
    color: #a0aec0;
    padding: 4px 0;
}

.tab.active {
    color: #4285F4;
    border-bottom: 2px solid #4285F4;
}

.editor-content {
    padding: 16px;
    font-size: 12px;
    line-height: 1.5;
    min-height: 120px;
    overflow-y: auto;
}

.code-line {
    margin-bottom: 4px;
}

.keyword { color: #f56565; }
.variable { color: #4fd1c7; }
.function { color: #fbb6ce; }
.string { color: #68d391; }
.comment { color: #718096; font-style: italic; }

.phone-security {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: white;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    z-index: 10;
    border: 2px solid #f0f0f0;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #333;
}

/* 下载区域 */
.download-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.03) !important;
    backdrop-filter: blur(20px);
    border-radius: 24px;
    margin: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    will-change: transform;
    transform: translateZ(0);
}

.download-content {
    max-width: 1200px;
    margin: 0 auto;
}

.download-header {
    text-align: center;
    margin-bottom: 4rem;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white !important;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.download-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8) !important;
    max-width: 600px;
    margin: 0 auto;
}

/* 双二维码容器 */
.dual-qr-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.qr-platform-card {
    background: rgba(255, 255, 255, 0.08) !important;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.qr-platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--platform-color), var(--platform-color-light));
}

.android-card {
    --platform-color: #3DDC84;
    --platform-color-light: #7C4DFF;
}

.ios-card {
    --platform-color: #007AFF;
    --platform-color-light: #5856D6;
}

.qr-platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.platform-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.platform-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.android-icon {
    background: linear-gradient(135deg, #3DDC84 0%, #7C4DFF 100%);
}

.ios-icon {
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
}

.platform-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: white !important;
    margin-bottom: 0.25rem;
}

.platform-info p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7) !important;
    margin: 0;
}

.qr-code-wrapper {
    text-align: center;
}

.qr-code {
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.95) !important;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

#android-qrcode-container,
#ios-qrcode-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#android-qrcode-container canvas,
#ios-qrcode-container canvas {
    max-width: 100%;
    max-height: 100%;
    border-radius: 6px;
}

.qr-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-btn {
    background: linear-gradient(135deg, var(--platform-color), var(--platform-color-light)) !important;
    color: white !important;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.download-url {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: inherit;
}

/* 下载统计和提示 */
.download-footer {
    text-align: center;
}

.download-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.08) !important;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7) !important;
}

.download-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0;
}

/* 应用截图区域 */
.screenshots-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(20px);
    border-radius: 24px;
    margin: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    will-change: transform;
    transform: translateZ(0);
}

.screenshots-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white !important;
    text-align: center;
    margin-bottom: 4rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.screenshot-item {
    display: flex;
    justify-content: center;
}

.screenshot-phone {
    width: 200px;
    height: 400px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 6px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.screenshot-screen {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    overflow: hidden;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    position: relative;
}

/* iOS界面 */
.ios-interface {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100%;
    padding: 60px 20px 20px;
}

.ios-apps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.app-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    position: relative;
}

.app-icon.photos { background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%); }
.app-icon.fantastical { background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%); }
.app-icon.camera { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); }
.app-icon.swarm { background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%); }
.app-icon.maps { background: linear-gradient(135deg, #a8e6cf 0%, #dcedc1 100%); }
.app-icon.facebook { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.app-icon.beimo { 
    background: linear-gradient(135deg, #4285F4 0%, #1565C0 100%);
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.4);
}

.app-icon.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
}

/* 仪表板界面 */
.dashboard-interface {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    height: 100%;
    padding: 40px 20px;
    color: white;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.greeting {
    font-size: 18px;
    font-weight: 600;
}

.weather {
    font-size: 14px;
}

.dashboard-stats {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.stat-card {
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 12px;
}

.stat-chart {
    height: 60px;
    background: linear-gradient(90deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.1) 100%);
    border-radius: 8px;
}

/* 浏览器界面 */
.browser-interface {
    background: #f8f9fa;
    height: 100%;
}

.browser-tabs {
    background: #e9ecef;
    padding: 8px 12px;
    border-bottom: 1px solid #dee2e6;
}

.tab {
    font-size: 10px;
    color: #495057;
    padding: 4px 8px;
    background: white;
    border-radius: 4px;
}

.browser-content {
    padding: 12px;
    height: calc(100% - 40px);
}

.web-chat {
    height: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.chat-sidebar {
    height: 100%;
    border-right: 1px solid #e9ecef;
}

.chat-list {
    padding: 12px;
}

.chat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 6px;
    margin-bottom: 4px;
}

.chat-item.active {
    background: #e3f2fd;
}

.chat-avatar {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    font-size: 10px;
    font-weight: 600;
    color: #333;
}

.chat-preview {
    font-size: 8px;
    color: #666;
}

/* 页脚 */
.footer {
    background: rgba(26, 26, 46, 0.95) !important;
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: white !important;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo .logo-text {
    color: white !important;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7) !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #a8edea !important;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 0.9rem;
}

/* 社交分享样式 */
.social-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.share-label {
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 0.9rem;
    font-weight: 500;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: white;
    position: relative;
    overflow: hidden;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.share-btn.telegram { background: linear-gradient(135deg, #0088cc, #229ED9); }
.share-btn.whatsapp { background: linear-gradient(135deg, #25D366, #128C7E); }
.share-btn.twitter { background: linear-gradient(135deg, #1DA1F2, #0d8bd9); }
.share-btn.facebook { background: linear-gradient(135deg, #1877F2, #166fe5); }
.share-btn.copy { background: linear-gradient(135deg, #666, #888); }

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dual-qr-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .download-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .dual-qr-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .qr-platform-card {
        padding: 1.5rem;
    }
    
    .download-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .download-notice {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }
    
    .phone-frame {
        width: 240px;
        height: 500px;
    }
    
    .phone-frame-small {
        width: 160px;
        height: 340px;
        right: -60px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .security-title,
    .download-title,
    .screenshots-title {
        font-size: 2rem;
    }
    
    .social-share {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .share-buttons {
        justify-content: center;
    }
}

/* 确保所有文字在深色背景上可见 */
h1, h2, h3, h4, h5, h6 {
    color: white !important;
}

p, span {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* 强制覆盖任何可能的白色背景 */
.hero-section,
.features-section,
.security-section,
.download-section,
.screenshots-section {
    background-color: transparent !important;
}

/* 安全可视化模块 - 替换原来的图片 */
.security-right {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.security-visual {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

/* 安全盾牌动画 */
.security-shield {
    position: relative;
    width: 200px;
    height: 200px;
    margin-bottom: 30px;
}

.shield-layers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.shield-layer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(102, 126, 234, 0.3);
    animation: pulse-ring 3s ease-in-out infinite;
}

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

.layer-2 {
    width: 160px;
    height: 160px;
    animation-delay: 1s;
}

.layer-3 {
    width: 200px;
    height: 200px;
    animation-delay: 2s;
}

.shield-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4);
    z-index: 10;
}

.lock-icon {
    color: white;
    animation: glow 2s ease-in-out infinite alternate;
}

/* 数据流动画 */
.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.stream-line {
    position: absolute;
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, #4CAF50, transparent);
    border-radius: 1px;
}

.line-1 {
    left: 30%;
    top: 20%;
    animation: stream-flow 2s ease-in-out infinite;
    animation-delay: 0s;
}

.line-2 {
    right: 25%;
    top: 40%;
    animation: stream-flow 2s ease-in-out infinite;
    animation-delay: 0.7s;
}

.line-3 {
    left: 60%;
    bottom: 30%;
    animation: stream-flow 2s ease-in-out infinite;
    animation-delay: 1.4s;
}

.data-packet {
    width: 6px;
    height: 6px;
    background: #4CAF50;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: -2px;
    box-shadow: 0 0 10px #4CAF50;
    animation: packet-move 2s ease-in-out infinite;
}

/* 安全指示器 */
.security-indicators {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
    align-items: flex-start;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
    box-shadow: 0 0 10px #4CAF50;
}

.indicator span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* 安全徽章 */
.security-badges {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.badge-icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.badge-text {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

/* 新增动画定义 */
@keyframes pulse-ring {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.8);
    }
    50% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.8));
    }
}

@keyframes stream-flow {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(80px);
    }
}

@keyframes packet-move {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(60px);
        opacity: 0;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 10px #4CAF50;
    }
    50% {
        opacity: 0.3;
        box-shadow: 0 0 5px #4CAF50;
    }
}