/* CSS变量定义 - 参考教务网站风格 */
:root {
    /* 主色调 - 蓝色系 */
    --primary-color: #2c80ff;
    --primary-dark: #1a60d6;
    --primary-light: #4e9aff;
    --secondary-color: #34c759;
    --accent-color: #ff9c4a;
    
    /* 中性色 */
    --white: #ffffff;
    --gray-50: #f9fbff;
    --gray-100: #f3f6fb;
    --gray-200: #e5e9f0;
    --gray-300: #d1d8e0;
    --gray-400: #9ca8b8;
    --gray-500: #667788;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #2c3e50;
    --gray-900: #1a202c;
    
    /* 文本颜色 */
    --text-color: #2c3e50;
    --text-light: #667788;
    --text-muted: #9ca8b8;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-light: #f9fbff;
    --bg-accent: #f0f8ff;
    
    /* 渐变色 */
    --bg-gradient: linear-gradient(135deg, #2c80ff 0%, #4e54c8 100%);
    --grad1: linear-gradient(135deg, #2c80ff 0%, #4e54c8 100%);
    --grad2: linear-gradient(135deg, #ff9c4a 0%, #ff6b2b 100%);
    --grad3: linear-gradient(135deg, #34c759 0%, #28a745 100%);
    
    /* 阴影 */
    --card-shadow: 0 10px 30px rgba(0, 10, 60, 0.1);
    --hover-shadow: 0 20px 40px rgba(0, 10, 60, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 10, 60, 0.05);
    --shadow-md: 0 6px 20px rgba(0, 10, 60, 0.08);
    --shadow-lg: 0 15px 40px rgba(0, 10, 60, 0.1);
    --shadow-xl: 0 25px 50px rgba(0, 10, 60, 0.15);
    
    /* 边框半径 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* 字体 */
    --font-family: 'Noto Sans SC', "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* 过渡动画 */
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* 联系我们部分 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(255, 255, 255, 0.95) 100%);
    position: relative;
}

.contact-section::after {
    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(59, 130, 246, 0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.contact-info {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.contact-info h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.contact-info > p {
    color: var(--text-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(44, 128, 255, 0.1);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.contact-item-text h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.contact-item-text p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* 服务卡片部分 */
.contact-service {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.service-hotline {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    color: white;
    box-shadow: var(--shadow-md);
}

.hotline-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hotline-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.hotline-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.hotline-number {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.service-hours {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin: 0;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.service-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(44, 128, 255, 0.1);
}

.service-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.8);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.service-feature h4 {
    color: var(--text-color);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 4px;
}

.service-feature p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.5;
}

/* 联系我们响应式设计 */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-info,
    .contact-service {
        padding: var(--spacing-lg);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .service-hotline {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .hotline-icon {
        width: 50px;
        height: 50px;
    }
    
    .hotline-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .hotline-number {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .contact-section {
        padding: 40px 0;
    }
    
    .contact-info,
    .contact-service {
        padding: var(--spacing-md);
    }
    
    .contact-item-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-item-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .service-feature {
        padding: var(--spacing-sm);
    }
    
    .feature-icon {
        width: 35px;
        height: 35px;
    }
    
    .feature-icon svg {
        width: 18px;
        height: 18px;
    }
}

/* 增强模块卡片样式 */
.modules-cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.module-card-enhanced {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(20px);
    border: 2px solid rgba(44, 128, 255, 0.1);
    border-radius: 25px;
    padding: 35px 30px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(44, 128, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 25px;
}

.module-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.module-card-enhanced:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(44, 128, 255, 0.15);
    border-color: rgba(44, 128, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
}

.module-card-enhanced:hover::before {
    opacity: 1;
}

.module-icon-enhanced {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.15), rgba(44, 128, 255, 0.1));
    border-radius: 50%;
    transition: all 0.4s ease;
    box-shadow: 0 8px 20px rgba(44, 128, 255, 0.1);
    flex-shrink: 0;
}

.module-card-enhanced:hover .module-icon-enhanced {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.25), rgba(44, 128, 255, 0.2));
    box-shadow: 0 12px 30px rgba(44, 128, 255, 0.2);
}

.module-icon-enhanced svg {
    width: 45px;
    height: 45px;
    transition: all 0.3s ease;
    fill: var(--primary-color);
}

.module-content {
    flex: 1;
}

.module-content h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
    text-shadow: none;
}

.module-content p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.module-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.1), rgba(44, 128, 255, 0.08));
    padding: 6px 14px;
    border-radius: 18px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(44, 128, 255, 0.15);
    transition: all 0.3s ease;
    color: var(--primary-color);
    text-shadow: none;
}

.module-card-enhanced:hover .feature-tag {
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.15), rgba(44, 128, 255, 0.12));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(44, 128, 255, 0.1);
    border-color: rgba(44, 128, 255, 0.25);
}

/* 分类标题样式 */
.modules-category {
    margin-bottom: 50px;
}

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

.category-header h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-header p {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .modules-cards-row {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .module-card-enhanced {
        padding: 30px 25px;
        gap: 20px;
    }
    
    .module-icon-enhanced {
        width: 70px;
        height: 70px;
    }
    
    .module-icon-enhanced svg {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .modules-cards-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .module-card-enhanced {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
        gap: 15px;
    }
    
    .module-icon-enhanced {
        width: 60px;
        height: 60px;
    }
    
    .module-icon-enhanced svg {
        width: 35px;
        height: 35px;
    }
    
    .module-content h4 {
        font-size: 1.2rem;
    }
    
    .category-header h3 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .module-card-enhanced {
        padding: 20px 15px;
    }
    
    .module-icon-enhanced {
        width: 50px;
        height: 50px;
    }
    
    .module-icon-enhanced svg {
        width: 30px;
        height: 30px;
    }
    
    .feature-tag {
        font-size: 0.7rem;
        padding: 5px 12px;
    }
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-light);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.brand-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition-fast);
}

/* 移动端菜单激活状态 */
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 焦点可见性样式 */
.focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 键盘导航优化 */
.keyboard-navigation .nav-link:focus,
.keyboard-navigation .mobile-menu-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 导航栏响应式设计 */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .navbar {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
    }
    
    .nav-container {
        height: 60px;
        padding: 0 var(--spacing-sm);
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    .brand-text {
        font-size: var(--font-size-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        border-top: 1px solid var(--gray-200);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        width: 100%;
        text-align: center;
        font-size: var(--font-size-md);
        border-bottom: 1px solid var(--gray-100);
        transition: all 0.3s ease;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link:hover {
        background: var(--bg-accent);
        color: var(--primary-color);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 56px;
        padding: 0 var(--spacing-xs);
    }
    
    .logo-icon {
        width: 24px;
        height: 24px;
    }
    
    .brand-text {
        font-size: var(--font-size-sm);
    }
    
    .nav-menu {
        top: 56px;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .mobile-menu-btn {
        padding: var(--spacing-xs);
    }
    
    .mobile-menu-btn span {
        width: 20px;
        height: 1.5px;
    }
}

/* 主页横幅 */
.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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="%23e5e7eb" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    animation: slideInRight 0.8s ease-out;
}

.hero-visual svg {
    width: 600px;
    height: 500px;
}

.hero-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--gray-200);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-300);
}

.card-dots span:first-child {
    background: #ef4444;
}

.card-dots span:nth-child(2) {
    background: #f59e0b;
}

.card-dots span:last-child {
    background: #10b981;
}

.card-title {
    font-weight: 600;
    color: var(--text-dark);
    font-size: var(--font-size-sm);
}

.card-content {
    display: grid;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.feature-item:hover {
    background: var(--bg-accent);
    transform: translateX(4px);
}

.feature-icon {
    font-size: var(--font-size-lg);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--font-size-base);
    line-height: 1;
}

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

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

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* 主页横幅响应式设计 */
@media (max-width: 1024px) {
    .hero-section {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-md);
    }
    
    .hero-visual svg {
        width: 500px;
        height: 400px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0 40px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content {
        order: 2;
    }
    
    /* 在移动端完全隐藏SVG动画 */
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
        line-height: 1.6;
        padding: 0 10px;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    
    .hero-buttons .btn {
        min-width: 140px;
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .hero-card {
        max-width: 350px;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 70px 0 30px;
    }
    
    .hero-container {
        padding: 0 var(--spacing-xs);
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
        line-height: 1.4;
        margin-bottom: 12px;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
        line-height: 1.7;
        padding: 0 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .btn {
        width: 100%;
        padding: 14px 20px;
        font-size: var(--font-size-sm);
        border-radius: 8px;
    }
    
    .hero-visual {
        margin-bottom: 15px;
    }
    
    .hero-visual svg {
        width: 100%;
        max-width: 360px;
        height: 280px;
    }
    
    /* 小屏幕进一步优化新SVG */
    .hero-visual svg g[transform*="translate(150, 100)"] {
        transform: scale(0.9) translate(0, 20px);
    }
    
    .hero-visual svg g[transform*="translate(80, 200)"],
    .hero-visual svg g[transform*="translate(220, 200)"],
    .hero-visual svg g[transform*="translate(360, 200)"] {
        transform: scale(0.75) translate(0, 15px);
    }
    
    /* 隐藏数据可视化区域 */
    .hero-visual svg g[transform*="translate(500, 200)"] {
        display: none;
    }
    
    /* 隐藏所有浮动装饰元素和连接线 */
    .hero-visual svg g[opacity="0.6"],
    .hero-visual svg g[stroke="#667eea"] {
        display: none;
    }
    
    .hero-card {
        max-width: 300px;
        padding: var(--spacing-sm);
    }
    
    .card-title {
        font-size: var(--font-size-xs);
    }
    
    .feature-item {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
}

/* 通用部分样式 */
.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--grad1);
    border-radius: 2px;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 核心功能特色 - 流程图样式 */
.features-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.features-section::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="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

/* 核心功能特色 - 工作流布局 */
.features-workflow {
    position: relative;
    z-index: 1;
    margin-top: 50px;
}

.workflow-container {
    display: flex;
    flex-direction: column;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.workflow-layer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding: 30px 0;
    border-radius: 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.workflow-layer:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.workflow-layer-title {
    position: absolute;
    left: -150px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    backdrop-filter: blur(15px);
    padding: 15px 28px;
    border-radius: 35px;
    font-weight: 700;
    font-size: 0.95rem;
    color: white;
    white-space: nowrap;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.workflow-layer:hover .workflow-layer-title {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.workflow-nodes {
    display: flex;
    gap: 35px;
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0 20px;
}

.workflow-node {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.08));
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 35px 30px;
    text-align: center;
    min-width: 240px;
    max-width: 300px;
    flex: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.workflow-node::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.workflow-node::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
    opacity: 0;
}

.workflow-node:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.12));
}

.workflow-node:hover::before {
    opacity: 1;
}

.workflow-node:hover::after {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

.workflow-node-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.15));
    border-radius: 50%;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
}

.workflow-node:hover .workflow-node-icon {
    transform: scale(1.15) rotate(5deg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.25));
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.workflow-node h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.workflow-node p {
    font-size: 0.95rem;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 2;
}

/* 工作流节点标签样式 */
.workflow-node-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.workflow-tag {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    color: rgba(255, 255, 255, 0.9);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.workflow-node:hover .workflow-tag {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.workflow-connector {
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    z-index: 3;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    padding: 8px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.workflow-connector:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.workflow-connector svg {
    width: 35px;
    height: 25px;
    opacity: 0.8;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.workflow-layer:hover .workflow-connector svg {
    opacity: 1;
    transform: translateX(3px);
}

.data-flow-indicators {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 50px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 25px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.data-flow-indicators:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.flow-text {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.flow-arrow {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.4rem;
    transition: all 0.4s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.data-flow-indicators:hover .flow-arrow {
    color: rgba(255, 255, 255, 1);
    transform: translateX(5px) scale(1.1);
}

/* 响应式设计 - 核心功能特色 */
@media (max-width: 1200px) {
    .workflow-container {
        padding: 0 15px;
    }
    
    .workflow-layer-title {
        left: -120px;
        font-size: 0.8rem;
        padding: 8px 15px;
    }
    
    .workflow-nodes {
        gap: 20px;
    }
    
    .workflow-node {
        min-width: 180px;
        max-width: 240px;
        padding: 25px 20px;
    }
    
    .workflow-node-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .workflow-node h4 {
        font-size: 1.1rem;
    }
    
    .workflow-node p {
        font-size: 0.85rem;
    }
    
    .data-flow-indicators {
        gap: 20px;
        padding: 20px;
        margin-top: 30px;
    }
    
    .flow-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 1024px) {
    .workflow-layer {
        flex-direction: column;
        gap: 25px;
        padding: 30px 0;
    }
    
    .workflow-layer-title {
        position: static;
        transform: none;
        margin-bottom: 20px;
        align-self: center;
        left: auto;
    }
    
    .workflow-nodes {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .workflow-node {
        min-width: 200px;
        max-width: 300px;
        flex: 1 1 calc(50% - 10px);
    }
    
    .workflow-connector {
        display: none;
    }
}

@media (max-width: 768px) {
    .features-section {
        padding: 60px 0;
    }
    
    .workflow-container {
        gap: 30px;
        padding: 0 20px;
    }
    
    .workflow-layer {
        padding: 20px 0;
        gap: 20px;
    }
    
    .workflow-nodes {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .workflow-node {
        min-width: 280px;
        max-width: 100%;
        flex: none;
        padding: 25px 20px;
    }
    
    .workflow-node-icon {
        width: 50px;
        height: 50px;
    }
    
    .workflow-node h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .workflow-node p {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .workflow-tag {
        font-size: 0.75rem;
        padding: 5px 12px;
    }
    
    .data-flow-indicators {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
        text-align: center;
    }
    
    .flow-text {
        font-size: 0.9rem;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .workflow-container {
        padding: 0 15px;
    }
    
    .workflow-node {
        min-width: 100%;
        padding: 20px 15px;
    }
    
    .workflow-node-icon {
        width: 45px;
        height: 45px;
        margin-bottom: 15px;
    }
    
    .workflow-node h4 {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .workflow-node p {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    
    .workflow-tag {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
    
    .data-flow-indicators {
        padding: 15px;
        gap: 12px;
    }
    
    .flow-text {
        font-size: 0.85rem;
    }
}
    
    .features-grid-compact {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .feature-card-mini {
        padding: 20px 15px;
    }
    
    .feature-icon-mini {
        width: 45px;
        height: 45px;
    }
    
    .feature-icon-mini svg {
        width: 28px;
        height: 28px;
    }
    
    .feature-card-mini h4 {
        font-size: 1.2rem;
    }
    
    .feature-card-mini p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .feature-tags-mini {
        gap: 6px;
    }
    
    .tag-mini {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
    
    .advantages .section-header h2 {
        font-size: 1.8rem;
    }
    
    .advantages .section-header p {
        font-size: 1rem;
        padding: 0 20px;
    }
    
    .advantages-section {
        padding: 60px 0;
    }
    
    .advantage-hero {
        padding: 25px;
    }
    
    .advantage-hero h3 {
        font-size: 1.5rem;
    }
    
    .advantage-hero p {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .comparison-section {
        padding: 25px;
    }
    
    .comparison-title {
        font-size: 1.2rem;
    }
    
    .advantage-comparison-card {
        padding: 20px;
    }
    
    .value-summary {
        padding: 30px;
    }
    
    .value-summary h3 {
        font-size: 1.5rem;
    }
    
    .value-icon {
        font-size: 2rem;
    }
    
    .advantages-grid-uniform {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .advantage-icon-uniform {
        width: 60px;
        height: 60px;
    }
    
    .advantage-icon-uniform svg {
        width: 45px;
        height: 45px;
    }
    
    .advantage-content-uniform h3 {
        font-size: 1.2rem;
    }
    
    .advantage-content-uniform p {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }
    
    .advantage-highlight-text {
        font-size: 0.8rem;
        padding: 6px 12px;
    }


/* 系统功能模块 - 标题样式 */
.modules-section .section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.modules-section .section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modules-section .section-title p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.modules-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* 系统功能模块 - 标签页样式 */
.modules-section {
    background: linear-gradient(135deg, #f8faff 0%, #e8f2ff 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.modules-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(44, 128, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(52, 199, 89, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.modules-tabs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.modules-tabs-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    padding: 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border-radius: 25px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(44, 128, 255, 0.1);
    box-shadow: 0 15px 40px rgba(44, 128, 255, 0.08);
}

.modules-tab-button {
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.08), rgba(44, 128, 255, 0.05));
    border: 2px solid rgba(44, 128, 255, 0.15);
    color: var(--text-color);
    padding: 15px 30px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    text-shadow: none;
}

.modules-tab-button::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 0.6s ease;
}

.modules-tab-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(44, 128, 255, 0.15);
    border-color: rgba(44, 128, 255, 0.3);
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.15), rgba(44, 128, 255, 0.1));
    color: var(--primary-color);
}

.modules-tab-button:hover::before {
    left: 100%;
}

.modules-tab-button.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(44, 128, 255, 0.25);
}

.modules-tab-button.active::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

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

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 35px;
    margin-top: 40px;
    padding: 0 10px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .modules-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .modules-section {
        padding: 60px 0;
    }
    
    .modules-section .section-title h2 {
        font-size: 2rem;
    }
    
    .modules-tabs-nav {
        padding: 20px;
        gap: 10px;
    }
    
    .modules-tab-button {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-top: 30px;
    }
    
    .modules-card {
        padding: 25px 20px;
    }
    
    .modules-card-icon {
        width: 60px;
        height: 60px;
    }
    
    .modules-card-icon svg {
        width: 32px;
        height: 32px;
    }
    
    .modules-card-title h4 {
        font-size: 1.2rem;
    }
}

.modules-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(20px);
    border: 2px solid rgba(44, 128, 255, 0.1);
    border-radius: 25px;
    padding: 35px 30px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(44, 128, 255, 0.08);
}

.modules-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modules-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(44, 128, 255, 0.15);
    border-color: rgba(44, 128, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.95));
}

.modules-card:hover::before {
    opacity: 1;
}

.modules-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.modules-card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.15), rgba(44, 128, 255, 0.1));
    border-radius: 50%;
    transition: all 0.4s ease;
    box-shadow: 0 8px 20px rgba(44, 128, 255, 0.1);
}

.modules-card:hover .modules-card-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.25), rgba(44, 128, 255, 0.2));
    box-shadow: 0 12px 30px rgba(44, 128, 255, 0.2);
}

.modules-card-icon svg {
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
    fill: var(--primary-color);
}

.modules-card-title {
    flex: 1;
}

.modules-card-title h4 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-color);
    text-shadow: none;
}

.modules-card-title p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

.modules-card-features {
    margin-bottom: 25px;
}

.modules-card-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modules-card-features li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.6;
}

.modules-card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
}

.modules-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.modules-card-tag {
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.1), rgba(44, 128, 255, 0.08));
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(44, 128, 255, 0.15);
    transition: all 0.3s ease;
    color: var(--primary-color);
    text-shadow: none;
}

.modules-card:hover .modules-card-tag {
    background: linear-gradient(135deg, rgba(44, 128, 255, 0.15), rgba(44, 128, 255, 0.12));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44, 128, 255, 0.1);
    border-color: rgba(44, 128, 255, 0.25);
}

/* 系统功能模块 - 高级动画效果 */
@keyframes moduleCardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

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

@keyframes moduleTagSlide {
    from { transform: translateX(-10px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.modules-card {
    animation: moduleCardFloat 6s ease-in-out infinite;
    animation-delay: calc(var(--card-index, 0) * 0.2s);
}

.modules-card:hover {
    animation-play-state: paused;
}

.modules-card-icon {
    animation: moduleIconPulse 3s ease-in-out infinite;
}

.modules-card:hover .modules-card-icon {
    animation-play-state: paused;
}

.modules-card-tag {
    animation: moduleTagSlide 0.5s ease-out;
    animation-delay: calc(var(--tag-index, 0) * 0.1s);
    animation-fill-mode: both;
}

/* 模块卡片进入动画 */
@keyframes moduleCardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modules-card {
    animation: moduleCardEnter 0.6s ease-out, moduleCardFloat 6s ease-in-out infinite 0.6s;
    animation-delay: calc(var(--card-index, 0) * 0.15s);
}

/* 标签页切换动画增强 */
.tab-content {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-content.active {
    opacity: 1;
    transform: translateY(0);
}

/* 鼠标跟随效果 */
.modules-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                               rgba(44, 128, 255, 0.1) 0%, 
                               transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 25px;
}

.modules-card:hover::after {
    opacity: 1;
}
/* 产品优势部分 - 全新设计 */
.advantages-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* 核心优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #22c55e);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.advantage-card.primary-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
    border: 2px solid rgba(59, 130, 246, 0.2);
}

.advantage-number {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #22c55e);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #3b82f6, #22c55e);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
}

.icon-svg {
    width: 40px;
    height: 40px;
}

.advantage-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.advantage-card p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 25px;
}

.advantage-stats {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #3b82f6;
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: #64748b;
    margin-top: 5px;
}

.advantage-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-features li {
    padding: 8px 0;
    color: #64748b;
    position: relative;
    padding-left: 25px;
}

.advantage-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: bold;
}

/* 技术优势对比表格 */
.tech-comparison {
    margin-bottom: 80px;
}

.comparison-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 50px;
    position: relative;
}

.comparison-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #22c55e);
    border-radius: 2px;
}

.comparison-table {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-cell {
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-row .comparison-cell {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    font-weight: 700;
    color: #1e293b;
    justify-content: center;
}

.feature-cell {
    background: rgba(248, 250, 252, 0.8);
    font-weight: 600;
    color: #475569;
    justify-content: center;
}

.our-solution {
    background: rgba(34, 197, 94, 0.05);
    color: #166534;
}

.traditional {
    background: rgba(239, 68, 68, 0.05);
    color: #991b1b;
}

.check-icon {
    color: #22c55e;
    font-weight: bold;
    font-size: 18px;
}

.cross-icon {
    color: #ef4444;
    font-weight: bold;
    font-size: 18px;
}

/* 客户满意度展示 */
.satisfaction-showcase {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.satisfaction-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}

.satisfaction-text h3 {
    font-size: 36px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.satisfaction-text p {
    color: #64748b;
    font-size: 18px;
    margin-bottom: 30px;
}

.satisfaction-number {
    font-size: 72px;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6, #22c55e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.satisfaction-desc {
    color: #64748b;
    font-size: 16px;
    margin: 0;
}

.progress-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.progress-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .advantage-card {
        padding: 35px 25px;
    }
    
    .satisfaction-showcase {
        padding: 50px 40px;
    }
}

@media (max-width: 768px) {
    .advantages-section {
        padding: 80px 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        padding: 30px 20px;
    }
    
    .advantage-card h3 {
        font-size: 20px;
    }
    
    .comparison-title {
        font-size: 28px;
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-cell {
        padding: 20px;
        justify-content: flex-start;
    }
    
    .satisfaction-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .satisfaction-showcase {
        padding: 40px 30px;
    }
    
    .satisfaction-number {
        font-size: 60px;
    }
}

@media (max-width: 480px) {
    .advantage-card {
        padding: 25px 15px;
    }
    
    .advantage-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .comparison-cell {
        padding: 15px;
    }
    
    .satisfaction-showcase {
        padding: 30px 20px;
    }
    
    .satisfaction-text h3 {
        font-size: 28px;
    }
    
    .satisfaction-number {
        font-size: 48px;
    }
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::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(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.footer-section {
    position: relative;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: white;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-section ul li a::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-section ul li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 20px;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
    text-align: center;
}

/* 页脚响应式设计 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-section h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-section ul li a {
        padding-left: 0;
    }
    
    .footer-section ul li a::before {
        display: none;
    }
    
    .footer-section ul li a:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        gap: 20px;
    }
    
    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
    
    .footer-section ul li {
        margin-bottom: 10px;
    }
    
    .footer-section ul li a,
    .footer-section p {
        font-size: 0.9rem;
    }
}

/* ========================================
   滚动条美化样式
   ======================================== */

/* 全局滚动条样式 - Webkit浏览器 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.8);
    border-radius: 10px;
    margin: 2px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a4db8 100%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: scale(1.1);
}

::-webkit-scrollbar-thumb:active {
    background: linear-gradient(135deg, #1a4db8 0%, #0f3a8a 100%);
}

::-webkit-scrollbar-corner {
    background: rgba(241, 245, 249, 0.8);
}

/* Firefox滚动条样式 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) rgba(241, 245, 249, 0.8);
}

/* 深色主题滚动条 */
@media (prefers-color-scheme: dark) {
    ::-webkit-scrollbar-track {
        background: rgba(30, 41, 59, 0.8);
    }
    
    ::-webkit-scrollbar-thumb {
        background: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    }
    
    ::-webkit-scrollbar-corner {
        background: rgba(30, 41, 59, 0.8);
    }
    
    * {
        scrollbar-color: #4f46e5 rgba(30, 41, 59, 0.8);
    }
}

/* 特殊区域滚动条样式 */
.features-section ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #28a745 100%);
}

.features-section ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
}

.modules-section ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-color) 0%, #ff6b2b 100%);
}

.modules-section ::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ff6b2b 0%, #e55a1b 100%);
}

/* 细滚动条样式（用于小区域） */
.thin-scrollbar::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.thin-scrollbar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
    border: none;
}

.thin-scrollbar::-webkit-scrollbar-track {
    background: rgba(241, 245, 249, 0.5);
    border-radius: 2px;
}

/* 隐藏滚动条但保持滚动功能 */
.hidden-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hidden-scrollbar::-webkit-scrollbar {
    display: none;
}