/* 专业金融软件网站样式 - 现代化设计 */

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

:root {
    /* 主色调 - 专业蓝色系 */
    --primary-color: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    
    /* 辅助色调 - 金融橙色 */
    --accent-color: #f59e0b;
    --accent-light: #fbbf24;
    --accent-dark: #d97706;
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    
    /* 中性色调 */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* 背景色调 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    
    /* 边框和分割线 */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 字体 */
    --font-primary: 'Inter', 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 过渡动画 */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* 基础样式 */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 导航栏 - 专业设计 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

#nav-logo-text {
    color: #f59e0b !important;
    font-weight: 700;
}

.nav-logo:hover span {
    transform: scale(1.02);
}

.nav-logo i {
    font-size: 1.75rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Logo图片样式 */
.logo-image {
    height: 48px;
    width: auto;
    margin-right: 0.5rem;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.logo-image:hover {
    transform: scale(1.05);
}

.footer-logo-image {
    height: 38px;
    width: auto;
    margin-right: 0.5rem;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.footer-logo-image:hover {
    transform: scale(1.05);
}

/* Logo文字颜色样式 */
.nav-logo span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.footer-logo span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background-color: rgba(30, 64, 175, 0.05);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 1px;
}

/* 语言切换器 */
.language-switcher {
    position: relative;
}

.lang-current {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 120px;
}

.lang-current:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.lang-options {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    overflow: hidden;
}

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

.lang-option {
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

.lang-option.active {
    background: var(--primary-color);
    color: var(--text-white);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-secondary);
    transition: var(--transition-normal);
    border-radius: 2px;
}

/* 主要内容 */
.main-content {
    margin-top: 80px;
}

/* 英雄区域 - 现代化设计 */
.hero {
    background: var(--primary-gradient);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    font-weight: 400;
    line-height: 1.6;
}

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

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 轮播图片区域 */
.carousel-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.carousel-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--bg-primary);
}

.carousel-slide {
    position: relative;
    width: 100%;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

.carousel-slide.active {
    opacity: 1;
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--text-white);
    padding: var(--spacing-2xl);
    text-align: center;
}

.slide-content h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--accent-light);
}

.slide-content p {
    font-size: 1.125rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* 轮播控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--primary-color);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all var(--transition-normal);
    z-index: 10;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
}

.carousel-container:hover .carousel-btn {
    opacity: 0.8;
    visibility: visible;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-50%) scale(1.1);
    opacity: 1;
}

.carousel-btn.prev {
    left: 30px;
}

.carousel-btn.next {
    right: 30px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.indicator.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* 功能特色区域 */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.features h2 {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.features-grid-8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.features-grid-9 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* 响应式设计 - 9个功能网格 */
@media (max-width: 1024px) {
    .features-grid-9 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid-9 {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: var(--text-white);
    position: relative;
}

.feature-icon.blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.feature-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.feature-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.feature-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.feature-icon.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.feature-icon.cyan { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.feature-icon.indigo { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.feature-icon.pink { background: linear-gradient(135deg, #ec4899, #be185d); }
.feature-icon.teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.feature-icon.violet { background: linear-gradient(135deg, #7c3aed, #5b21b6); }

/* 平台图片样式 */
.platform-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin-right: var(--spacing-sm);
}

/* 下载工具图片样式 */
.download-tool-img {
    width: 90px;
    height: 90px;
    object-fit: contain;
}

/* 突出显示的下载按钮 */
.download-btn.prominent {
    background: var(--accent-gradient);
    color: var(--text-white);
    font-weight: 600;
    font-size: 1.1rem;
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.download-btn.prominent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    text-decoration: none;
    color: var(--text-white);
}

.download-btn.prominent i {
    margin-right: var(--spacing-sm);
    font-size: 1.2rem;
}

/* 确保所有下载按钮样式一致 */
a.download-btn {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

a.download-btn:hover {
    text-decoration: none;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 工具介绍区域 */
.tool-intro {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.tool-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.tool-text h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 700;
}

.tool-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.tool-platforms {
    text-align: center;
}

.platform-item {
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.platform-logos {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
}

.platform-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

/* 调整平台卡片中的标题字号与间距，使放大图标后更均衡 */
.platform-logo span {
    font-size: 1.1rem;
}

.platform-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.platform-logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* 为什么选择我们 */
.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.why-choose h2 {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
}

.why-choose h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.advantage-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.advantage-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.advantage-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 4px solid var(--accent-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-left {
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--accent-color);
}

.footer-logo i {
    font-size: 1.75rem;
}

.footer-left p {
    opacity: 0.95;
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.95;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
    transform: translateY(-2px);
}

.footer-right {
    flex-shrink: 0;
}

.wechat-qr {
    text-align: center;
}

.wechat-qr h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    font-weight: 600;
}

.qr-container {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.qr-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.qr-image {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.qr-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.qr-container p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.875rem;
    margin: 0;
}

/* 响应式设计 - 页脚 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .footer-left {
        order: 2;
    }
    
    .footer-right {
        order: 1;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .qr-container {
        padding: var(--spacing-md);
    }
    
    .qr-image {
        width: 140px;
        height: 140px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .tool-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .platform-logos {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    .platform-img { width: 40px; height: 40px; }
    .download-tool-img { width: 80px; height: 80px; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-top: 1px solid var(--border-light);
        box-shadow: var(--shadow-lg);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    /* 缩小移动端顶部标题字体 */
    .nav-logo span#nav-logo-text {
        font-size: 1.1rem !important;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-light);
        width: 100%;
        text-align: center;
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid-8 {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 1rem;
        opacity: 0;
        visibility: hidden;
    }
    
    .carousel-btn.prev {
        left: 15px;
    }
    
    .carousel-btn.next {
        right: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .features,
    .tool-intro,
    .why-choose {
        padding: var(--spacing-2xl) 0;
    }
    
    .features-grid-8,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
        opacity: 0;
        visibility: hidden;
    }
    .platform-img { width: 36px; height: 36px; }
    .download-tool-img { width: 72px; height: 72px; }
    
    .carousel-btn.prev {
        left: 10px;
    }
    
    .carousel-btn.next {
        right: 10px;
    }
    /* 超小屏隐藏标题，避免占位过大 */
    .nav-logo span#nav-logo-text {
        display: none !important;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.feature-card,
.advantage-card {
    animation: fadeInUp 0.6s ease-out;
}

.btn-primary {
    animation: pulse 2s infinite;
}

/* 用户评价样式 */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="testimonial-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(59,130,246,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23testimonial-grid)"/></svg>');
    opacity: 0.5;
}

.testimonials h2 {
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.testimonials h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.testimonials-carousel {
    position: relative;
    z-index: 2;
}

.testimonials-container {
    overflow: hidden;
    border-radius: var(--radius-2xl);
    position: relative;
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: var(--spacing-xl);
    width: 100%;
}

.testimonial-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    flex: 0 0 calc(33.333% - var(--spacing-lg));
    min-height: 200px;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.testimonial-card:hover::before {
    transform: scaleX(1);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-card:hover .user-avatar {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.user-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.rating {
    display: flex;
    gap: 2px;
}

.rating i {
    color: var(--accent-color);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.testimonial-card:hover .rating i {
    transform: scale(1.1);
}

.testimonial-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
    font-style: italic;
    position: relative;
    padding-left: var(--spacing-lg);
}

.testimonial-card p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -5px;
    font-size: 2rem;
    color: var(--accent-color);
    font-family: Georgia, serif;
    opacity: 0.7;
}

.testimonial-card p::after {
    content: '"';
    font-size: 2rem;
    color: var(--accent-color);
    font-family: Georgia, serif;
    opacity: 0.7;
    margin-left: 4px;
}

/* 轮播控制按钮 */
.testimonial-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.testimonial-btn:hover {
    background: var(--accent-color);
    color: var(--text-white);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.testimonial-prev {
    left: -25px;
}

.testimonial-next {
    right: -25px;
}

/* 轮播指示器 */
.testimonial-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.testimonial-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: var(--border-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-indicator:hover {
    background: var(--accent-color);
    transform: scale(1.2);
}

.testimonial-indicator.active {
    background: var(--accent-color);
    transform: scale(1.3);
}

/* 响应式设计 - 用户评价 */
@media (max-width: 768px) {
    .testimonial-card {
        flex: 0 0 calc(50% - var(--spacing-md));
    }
    
    .testimonial-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .testimonial-prev {
        left: -20px;
    }
    
    .testimonial-next {
        right: -20px;
    }
}

@media (max-width: 480px) {
    .testimonial-card {
        flex: 0 0 calc(100% - var(--spacing-sm));
        padding: var(--spacing-xl);
    }
    
    .testimonial-header {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .user-avatar {
        width: 40px;
        height: 40px;
    }
    
    .user-info h4 {
        font-size: 1rem;
    }
    
    .testimonial-card p {
        font-size: 0.9rem;
        padding-left: var(--spacing-md);
    }
    
    .testimonial-btn {
        width: 35px;
        height: 35px;
        font-size: 0.875rem;
    }
    
    .testimonial-prev {
        left: -17px;
    }
    
    .testimonial-next {
        right: -17px;
    }
}

/* 滚动行为 */
html {
    scroll-behavior: smooth;
}

/* 选择状态 */
::selection {
    background: var(--accent-color);
    color: var(--text-white);
}

/* 焦点状态 */
:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 禁用状态 */
.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 右下角浮动联系按钮 */
.floating-contact {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    animation: float 3s ease-in-out infinite;
}

.contact-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.qq-btn {
    background: linear-gradient(135deg, #12b7f5 0%, #0e9de8 100%);
}

.wechat-btn {
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
}

/* 浮动动画 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.contact-btn:nth-child(2) {
    animation-delay: 0.5s;
}

/* 二维码弹窗 - 右下角小窗口 */
.qr-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    right: 30px;
    bottom: 150px;
    width: 280px;
    height: auto;
}

.qr-modal-content {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    width: 100%;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--border-light);
    animation: modalSlideIn 0.3s ease-out;
}

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

.qr-close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.qr-close:hover {
    color: var(--text-primary);
}

.qr-modal-content h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: 1.5rem;
}

.qr-code-image {
    width: 200px;
    height: 200px;
    margin: var(--spacing-lg) auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.qr-modal-content p {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-contact {
        right: 20px;
        bottom: 20px;
        gap: 12px;
    }
    
    .contact-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .qr-modal {
        right: 20px;
        bottom: 120px;
        width: 260px;
    }
    
    .qr-modal-content {
        padding: var(--spacing-lg);
    }
    
    .qr-code-image {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .floating-contact {
        right: 15px;
        bottom: 15px;
        gap: 10px;
    }
    
    .contact-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .qr-modal {
        right: 15px;
        bottom: 100px;
        width: 240px;
    }
    
    .qr-code-image {
        width: 160px;
        height: 160px;
    }
}

/* 强制设置导航栏logo文字颜色 - 最高优先级 */
.nav-logo #nav-logo-text,
#nav-logo-text,
span#nav-logo-text {
    color: #d97706 !important;
    font-weight: 700 !important;
    /* 取消渐变文本以确保颜色生效 */
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    -webkit-text-fill-color: #d97706 !important;
}

/* 页脚logo文字颜色与导航一致且更深，且取消渐变裁剪确保纯色生效 */
#footer-logo-text {
    color: #d97706 !important;
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    -webkit-text-fill-color: #d97706 !important;
}

/* 顶部横幅大标题保持白色（不改为橙色） */
.hero h1#hero-title {
    color: #ffffff !important;
}

/* 确保悬停时也保持橙色 */
.nav-logo:hover #nav-logo-text,
.nav-logo:hover span {
    color: #f59e0b !important;
}