/* ============================================
   PANDA Studio 风格 - 主样式文件
   ============================================ */

/* CSS变量 - PANDA Studio 风格 Design Tokens */
:root {
    /* 配色方案 - PANDA 蓝色系 */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --primary-soft: #93c5fd;
    --secondary-color: #1e3a5f;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* 文字颜色 */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-white: #ffffff;
    --text-blue: #1e40af;
    
    /* 背景颜色 - 玻璃拟态 */
    --bg-primary: rgba(255, 255, 255, 0.7);
    --bg-secondary: rgba(255, 255, 255, 0.5);
    --bg-solid: #ffffff;
    --bg-dark: #0f172a;
    --bg-gray: #f1f5f9;
    --bg-page: linear-gradient(180deg, #dbeafe 0%, #e0f2fe 30%, #f0f9ff 60%, #e8f4fd 100%);
    --bg-gradient: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    --bg-gradient-dark: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    
    /* 玻璃拟态阴影 - 内阴影+外阴影 */
    --shadow-neumorphic: 8px 8px 20px rgba(163, 191, 243, 0.4),
                        -8px -8px 20px rgba(255, 255, 255, 0.8);
    --shadow-neumorphic-sm: 4px 4px 10px rgba(163, 191, 243, 0.3),
                            -4px -4px 10px rgba(255, 255, 255, 0.7);
    --shadow-neumorphic-inset: inset 4px 4px 10px rgba(163, 191, 243, 0.3),
                               inset -4px -4px 10px rgba(255, 255, 255, 0.7);
    --shadow-card: 0 10px 40px rgba(59, 130, 246, 0.15),
                   0 4px 12px rgba(59, 130, 246, 0.1);
    --shadow-card-hover: 0 20px 60px rgba(59, 130, 246, 0.2),
                         0 8px 20px rgba(59, 130, 246, 0.12);
    --shadow-glass: 0 8px 32px rgba(31, 38, 135, 0.1);
    
    /* 圆角 - PANDA 大圆角风格 */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.75rem;
    --radius-3xl: 2.5rem;
    --radius-full: 9999px;
    
    /* 边框 */
    --border-light: 1px solid rgba(255, 255, 255, 0.8);
    --border-blue: 1px solid rgba(59, 130, 246, 0.2);
    
    /* 过渡动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 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;
    
    /* 容器宽度 */
    --container-max: 1280px;
    --container-padding: 1rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-page);
    background-attachment: fixed;
    overflow-x: hidden;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(147, 197, 253, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(191, 219, 254, 0.3) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* 图片基础样式 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 链接基础样式 */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* 按钮基础样式 */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* 列表基础样式 */
ul, ol {
    list-style: none;
}

/* 容器 */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   头部样式 - PANDA Studio 玻璃拟态风格
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Logo - PANDA 风格 */
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-normal);
    letter-spacing: -0.02em;
}

.logo span {
    -webkit-text-fill-color: var(--secondary-color);
    font-weight: 600;
}

/* 主导航 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.625rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-dark);
    background: rgba(59, 130, 246, 0.08);
}

.nav-link svg {
    width: 0.875rem;
    height: 0.875rem;
    transition: transform var(--transition-fast);
}

/* 下拉菜单 - 玻璃拟态风格 */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.15),
                0 4px 12px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.6);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-normal);
    z-index: 100;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu {
    padding: 0;
}

.dropdown-item {
    display: block;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.1) 100%);
    color: var(--primary-dark);
    transform: translateX(4px);
}

/* 三级导航 */
.has-submenu {
    position: relative;
}

.submenu {
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 220px;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.6);
    opacity: 0;
    visibility: hidden;
    transform: translateX(8px);
    transition: all var(--transition-normal);
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-neumorphic-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端导航 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 5rem 1.5rem 2rem;
    z-index: 999;
    overflow-y: auto;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-nav-item {
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.mobile-dropdown-menu {
    display: none;
    padding: 0.5rem 0 1rem 1rem;
}

.mobile-dropdown-menu.active {
    display: block;
}

.mobile-dropdown-item {
    padding: 0.625rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* CTA按钮 - 拟态风格 */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ============================================
   Hero 区域 - PANDA Studio 清新风格
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: transparent;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(147, 197, 253, 0.4) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(191, 219, 254, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-title span {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    line-height: 1.7;
}

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

.hero-button-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

.hero-button-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.45);
}

.hero-button-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.35);
}

.hero-button-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.9);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.1);
}

.hero-button-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease-out;
}

.hero-image img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

/* 评分组件 */
.rating-badge {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.rating-stars {
    display: flex;
    gap: 0.25rem;
    color: var(--accent-color);
}

.rating-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   服务区块 - PANDA Studio 风格
   ============================================ */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-dark {
    background: var(--bg-gradient-dark);
    color: var(--text-white);
}

.section-gray {
    background: rgba(255, 255, 255, 0.3);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.9);
}

.section-dark .section-badge {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    color: var(--secondary-color);
}

.section-dark .section-title {
    color: var(--text-white);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.8);
}

/* 服务卡片网格 - 玻璃拟态 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--bg-gradient);
    color: var(--text-white);
    transform: scale(1.05);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: 0.75rem;
    color: var(--primary-dark);
}

/* ============================================
   特性区块 - PANDA Studio 风格
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.75rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.feature-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--bg-gradient);
    color: var(--text-white);
}

.feature-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   统计数字 - PANDA Studio 风格
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #bfdbfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* ============================================
   行业解决方案 - PANDA Studio 风格
   ============================================ */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.industry-card {
    position: relative;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.25);
}

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

.industry-card > * {
    position: relative;
    z-index: 1;
}

.industry-card:hover * {
    color: var(--text-white) !important;
}

.industry-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.industry-card:hover .industry-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.industry-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
    transition: color var(--transition-normal);
}

.industry-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
    transition: color var(--transition-normal);
}

.industry-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.industry-card:hover .industry-link {
    color: var(--text-white);
}

.industry-link svg {
    transition: transform var(--transition-fast);
}

.industry-card:hover .industry-link svg {
    transform: translateX(5px);
}

/* ============================================
   客户评价 - PANDA Studio 风格
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.15);
}

.testimonial-content {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 52px;
    height: 52px;
    background: var(--bg-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.testimonial-info p {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ============================================
   工作流程 - PANDA Studio 风格
   ============================================ */
.workflow-section {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.3);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.workflow-step {
    position: relative;
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.workflow-step:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.15);
}

.workflow-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin: 0 auto 1.25rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.workflow-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.workflow-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 流程箭头 */
.workflow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -1rem;
    transform: translateY(-50%);
    width: 2rem;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-soft), transparent);
    opacity: 0.6;
}

/* ============================================
   合作伙伴/Logo墙 - PANDA Studio 风格
   ============================================ */
.clients-section {
    padding: 4rem 0;
    background: transparent;
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.client-logo {
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-normal);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(5px);
}

.client-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.15);
}

/* ============================================
   CTA区块 - PANDA Studio 风格
   ============================================ */
.cta-section {
    padding: 5rem 0;
    background: var(--bg-gradient);
    text-align: center;
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    position: relative;
}

.cta-description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    position: relative;
}

.cta-button-white {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--text-white);
    color: var(--primary-dark);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    position: relative;
}

.cta-button-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.cta-button-white:active {
    transform: translateY(-1px);
}

/* ============================================
   FAQ区块 - PANDA Studio 风格
   ============================================ */
.faq-grid {
    display: grid;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.12);
}

.faq-item.active {
    background: rgba(255, 255, 255, 0.85);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    color: var(--secondary-color);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-dark);
}

.faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: transform var(--transition-normal);
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.25rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   页面标题区 - PANDA Studio 风格
   ============================================ */
.page-hero {
    position: relative;
    padding: 10rem 0 4rem;
    background: transparent;
    text-align: center;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(147, 197, 253, 0.4) 0%, transparent 70%);
    pointer-events: none;
}

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

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.page-hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   内容区块 - PANDA Studio 风格
   ============================================ */
.content-section {
    padding: 4rem 0;
}

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

.content-grid-reverse {
    direction: rtl;
}

.content-grid-reverse > * {
    direction: ltr;
}

.content-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    letter-spacing: -0.02em;
}

.content-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.content-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.content-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.content-list li svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--success-color);
    margin-top: 2px;
}

.content-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
}

.content-image img {
    width: 100%;
    height: auto;
}

/* 模块网格 - PANDA Studio 风格 */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.module-card {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.module-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: all var(--transition-normal);
}

.module-card:hover .module-icon {
    background: var(--bg-gradient);
    color: var(--text-white);
}

.module-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.module-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.module-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-top: 0.75rem;
}

/* ============================================
   表单样式 - PANDA Studio 风格
   ============================================ */
.contact-form {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1.125rem;
    font-size: 1rem;
    border: 2px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

.form-button {
    width: 100%;
    padding: 1rem;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.form-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.form-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* ============================================
   联系信息 - PANDA Studio 风格
   ============================================ */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact-info-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.contact-info-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-xl);
    margin: 0 auto 1rem;
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.contact-info-card:hover .contact-info-icon {
    background: var(--bg-gradient);
    color: var(--text-white);
    transform: scale(1.05);
}

.contact-info-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-info-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-info-text a {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.contact-info-text a:hover {
    color: var(--primary-dark);
}

/* ============================================
   页脚 - PANDA Studio 风格
   ============================================ */
.footer {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-white);
    padding-top: 4rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand .logo span {
    -webkit-text-fill-color: #e2e8f0;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin: 1rem 0 1.5rem;
    max-width: 300px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-social a:hover {
    background: var(--bg-gradient);
    color: var(--text-white);
    transform: translateY(-3px);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-soft);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

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

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* 返回顶部按钮 - PANDA Studio 风格 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: var(--text-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 99;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

/* ============================================
   动画关键帧
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* 滚动动画类 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   技术logo网格 - PANDA Studio 风格
   ============================================ */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.75rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.tech-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.tech-item:hover .tech-logo {
    color: var(--primary-dark);
    transform: scale(1.1);
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--secondary-color);
}

/* ============================================
   比较表格 - PANDA Studio 风格
   ============================================ */
.comparison-table {
    width: 100%;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid rgba(59, 130, 246, 0.08);
}

.comparison-table th {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(96, 165, 250, 0.1) 100%);
    font-weight: 600;
    color: var(--secondary-color);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background: rgba(59, 130, 246, 0.03);
}

.comparison-table .check {
    color: var(--success-color);
}

.comparison-table .cross {
    color: var(--error-color);
}

/* ============================================
   标签页 - PANDA Studio 风格
   ============================================ */
.tabs {
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.tab-button {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background: transparent;
}

.tab-button:hover {
    color: var(--primary-dark);
    background: rgba(59, 130, 246, 0.08);
}

.tab-button.active {
    background: var(--text-white);
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.15);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ============================================
   案例卡片 - PANDA Studio 风格
   ============================================ */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-study-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.case-study-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

.case-study-image {
    position: relative;
    height: 200px;
    background: var(--bg-gradient);
    overflow: hidden;
}

.case-study-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.case-study-card:hover .case-study-image img {
    transform: scale(1.05);
}

.case-study-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.case-study-content {
    padding: 1.75rem;
}

.case-study-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.case-study-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.case-study-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.case-study-client {
    font-size: 0.875rem;
    color: var(--text-light);
}

.case-study-link {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.case-study-link:hover {
    color: var(--primary-dark);
}

/* ============================================
   团队成员 - PANDA Studio 风格
   ============================================ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.team-member {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-2xl);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.15);
    background: rgba(255, 255, 255, 0.85);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: var(--bg-gradient);
    border-radius: var(--radius-full);
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2rem;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.team-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--secondary-color);
}

.team-role {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   价值观 - PANDA Studio 风格
   ============================================ */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all var(--transition-normal);
}

.value-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.12);
    background: rgba(255, 255, 255, 0.85);
}

.value-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(96, 165, 250, 0.15) 100%);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.value-item:hover .value-icon {
    background: var(--bg-gradient);
    color: var(--text-white);
}

.value-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--secondary-color);
}