/* PassaFacile 官网主样式 */

/* ==================== 颜色变量 ==================== */
:root {
    /* 主色调 - 与 App 一致 */
    --primary-blue: #5AA0FF;
    --light-blue: #88C1FF;
    --dark-blue: #3A6EA5;
    
    /* 文字颜色 */
    --text-primary: #3A6EA5;
    --text-secondary: #6A8DB3;
    --text-light: #FFFFFF;
    --text-dark: #2C5282;
    
    /* 背景色 */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F0F7FF;
    --bg-light-blue: #E6F2FF;
    --bg-gradient: linear-gradient(135deg, #88C1FF 0%, #5AA0FF 100%);
    
    /* 功能色 */
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    --info: #17A2B8;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(90, 160, 255, 0.1);
    --shadow-md: 0 4px 12px rgba(90, 160, 255, 0.15);
    --shadow-lg: 0 8px 24px rgba(90, 160, 255, 0.2);
    --shadow-xl: 0 12px 40px rgba(90, 160, 255, 0.25);
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 过渡 */
    --transition: all 0.3s ease;
}

/* ==================== 全局样式 ==================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 
                 "Helvetica Neue", Arial, "Noto Sans", sans-serif,
                 "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-primary);
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== 导航栏 ==================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
}

.nav-menu a:hover {
    color: var(--primary-blue);
    background: var(--bg-light-blue);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--text-light);
}

.btn-download {
    background: var(--text-light);
    color: var(--primary-blue);
    border: 2px solid var(--text-light);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.btn-download:hover {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-contact {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    border: 2px solid var(--text-light);
    backdrop-filter: blur(10px);
}

.btn-contact:hover {
    background: var(--text-light);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--text-light);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ==================== Hero 区域 ==================== */
.hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-xxl);
    background: var(--bg-gradient);
    color: var(--text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 80%;
    height: 200%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.hero .subtitle {
    font-size: 20px;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 功能介绍区域 ==================== */
.features {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== 下载区域 ==================== */
.download-section {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-secondary);
    text-align: center;
}

/* 平台按钮容器 */
.platform-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

/* 平台按钮基础样式 */
.platform-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    min-width: 200px;
}

/* iOS 按钮样式 */
.ios-btn {
    background: #000000;
    color: white;
}

.ios-btn:hover {
    background: #333333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Android 按钮样式 */
.android-btn {
    background: #3DDC84;
    color: white;
}

.android-btn:hover {
    background: #2FC774;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 鸿蒙按钮样式 */
.harmony-btn {
    background: #FF6B00;
    color: white;
}

.harmony-btn:hover {
    background: #E65A00;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 平台图标 */
.platform-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.platform-icon svg {
    width: 32px;
    height: 32px;
}

/* 平台文字 */
.platform-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.platform-label {
    font-size: 11px;
    opacity: 0.9;
    line-height: 1.2;
}

.platform-name {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .platform-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .platform-btn {
        width: 100%;
        max-width: 300px;
    }
}

.activation-prompt {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: inline-block;
}

.activation-prompt p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ==================== 页脚 ==================== */
footer {
    background: var(--text-dark);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    text-align: center;
}

footer a {
    color: var(--light-blue);
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-blue);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-social {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

/* ==================== 消息提示 ==================== */
.message {
    position: fixed;
    top: 80px;
    right: -400px;
    background: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transition: right 0.3s ease;
    max-width: 350px;
}

.message.show {
    right: var(--spacing-md);
}

.message-success {
    border-left: 4px solid var(--success);
}

.message-error {
    border-left: 4px solid var(--error);
}

.message-info {
    border-left: 4px solid var(--info);
}

.message-warning {
    border-left: 4px solid var(--warning);
}

/* ==================== 加载动画 ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-spinner {
    text-align: center;
    color: var(--text-light);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ==================== 响应式设计 ==================== */

/* 平板 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机端 */
@media (max-width: 768px) {
    /* 导航栏 */
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        width: 100%;
        text-align: center;
    }
    
    /* Hero */
    .hero {
        padding-top: 100px;
        padding-bottom: var(--spacing-xl);
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero .subtitle {
        font-size: 18px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* 功能 */
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        padding: var(--spacing-xl) 0;
    }
    
    /* 下载 */
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* 容器间距 */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* 消息 */
    .message {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        max-width: none;
    }
    
    .message.show {
        right: var(--spacing-sm);
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero .subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* ==================== 微信客服浮动按钮 ==================== */
.wechat-float-btn {
    position: fixed;
    bottom: 90px;
    right: var(--spacing-md);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #07C160 0%, #09B356 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
    cursor: pointer;
    transition: var(--transition);
    z-index: 998;
    animation: pulse 2s infinite;
}

.wechat-float-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 30px rgba(7, 193, 96, 0.5);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(7, 193, 96, 0.6);
    }
}

/* 微信二维码弹窗 */
.wechat-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.wechat-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wechat-modal-content {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.wechat-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    font-weight: 300;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.wechat-modal-close:hover {
    color: var(--error);
    transform: rotate(90deg);
}

.wechat-modal-content h3 {
    color: var(--text-dark);
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

.wechat-modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.wechat-qr-image {
    width: 250px;
    height: 250px;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: block;
}

.wechat-hint {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ==================== 敬请期待弹窗 ==================== */
.coming-soon-alert {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.coming-soon-alert.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.coming-soon-content {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.coming-soon-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    animation: bounce 0.6s ease;
}

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

.coming-soon-content h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.coming-soon-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.coming-soon-close {
    background: var(--bg-gradient);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.coming-soon-close:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.coming-soon-close:active {
    transform: translateY(0);
}

/* 移动端调整 */
@media (max-width: 768px) {
    .wechat-float-btn {
        width: 50px;
        height: 50px;
        bottom: 80px;
        right: var(--spacing-sm);
    }
    
    .wechat-float-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .wechat-modal-content {
        padding: var(--spacing-md);
    }
    
    .wechat-qr-image {
        width: 200px;
        height: 200px;
    }
}