/* 
 * 产品详情页专属样式
 * 基于药智云设计规范
 */

/* ============================================
   CSS变量定义
   ============================================ */
:root {
    --primary-color: #00A6FB;
    --primary-dark: #0082C8;
    --primary-light: #33B7FF;
    --primary-lighter: #E6F5FF;
    --success-color: #52C41A;
    --warning-color: #FAAD14;
    --error-color: #F5222D;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #e8e8e8;
    --bg-light: #f8fbff;
    --bg-gray: #f5f7fa;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 8px 24px rgba(0, 166, 251, 0.2);
}

/* ============================================
   全局样式重置
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   产品头部Hero区域
   ============================================ */
.product-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fbff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 166, 251, 0.05) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.product-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 166, 251, 0.03) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.product-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-lighter);
    border-radius: 20px;
    margin-bottom: 20px;
}

.product-badge i {
    font-size: 16px;
    color: var(--primary-color);
}

.product-badge span {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
}

.product-hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-item i {
    color: var(--success-color);
    font-size: 18px;
}

.feature-item span {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

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

.hero-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* ============================================
   核心价值区块
   ============================================ */
.value-proposition {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

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

.value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-lighter) 0%, rgba(0, 166, 251, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.value-icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   功能模块时间轴
   ============================================ */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.features-timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.feature-block {
    position: relative;
    padding-left: 120px;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.feature-block.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.feature-number {
    position: absolute;
    left: 40px;
    top: 0;
    width: 40px;
    height: 40px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 16px;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.feature-content {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.feature-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-content > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.feature-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.detail-item:hover {
    background: var(--primary-lighter);
    transform: translateX(4px);
}

.detail-item i {
    font-size: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.detail-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.detail-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   主数据库管理
   ============================================ */
.master-database {
    padding: 80px 0;
    background: white;
}

.database-content {
    margin-top: 60px;
}

.database-overview {
    margin-bottom: 60px;
}

.overview-card {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.overview-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.overview-card .card-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overview-card .card-icon i {
    font-size: 36px;
    color: white;
}

.overview-card .card-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.overview-card .card-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.database-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.db-feature-card {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 32px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.db-feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.db-feature-card .feature-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.db-feature-card .feature-header i {
    font-size: 28px;
    color: var(--primary-color);
}

.db-feature-card .feature-header h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.data-stats {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--primary-lighter);
    border-radius: 12px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
}

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

.feature-list li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 15px;
    position: relative;
    padding-left: 28px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 20px;
    line-height: 1;
}

.database-management {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 40px;
}

.management-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px;
}

.management-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mgmt-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 12px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.mgmt-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.mgmt-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.mgmt-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mgmt-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.mgmt-item h5 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.mgmt-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   技术优势部分
   ============================================ */
.technical-advantages {
    padding: 80px 0;
    background: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.tech-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--bg-light) 100%);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary);
    border-color: var(--primary-color);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-lighter);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.tech-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

.tech-card li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 15px;
    position: relative;
    padding-left: 24px;
}

.tech-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 600;
}

/* ============================================
   应用场景
   ============================================ */
.use-cases {
    padding: 80px 0;
    background: var(--bg-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary);
    border-color: var(--primary-color);
}

.case-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-lighter) 0%, rgba(0, 166, 251, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.case-card:hover .case-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.case-icon i {
    font-size: 36px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.case-card:hover .case-icon i {
    color: white;
}

.case-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   客户收益指标
   ============================================ */
.customer-benefits {
    padding: 80px 0;
    background: white;
}

.benefits-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.metric-card {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    border-radius: 16px;
    border: 2px solid transparent;
    position: relative;
    transition: all 0.3s ease;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.metric-card:hover {
    transform: translateY(-8px);
}

.metric-value {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.metric-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.metric-detail {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   CTA区域
   ============================================ */
.product-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.product-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite reverse;
}

.product-cta .cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.product-cta h2 {
    font-size: 40px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.product-cta p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 32px;
}

.cta-features {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.cta-features span {
    color: white;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-features i {
    font-size: 18px;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

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

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

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

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

.product-cta .btn-primary:hover {
    background: #f0f0f0;
}

.product-cta .btn-outline {
    border: 2px solid white;
    color: white;
}

.product-cta .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

/* ============================================
   动画效果
   ============================================ */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ============================================
   系统架构展示
   ============================================ */
.system-architecture {
    padding: 80px 0;
    background: var(--bg-light);
}

.architecture-layers {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.arch-layer {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.arch-layer.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.arch-layer:hover {
    box-shadow: var(--shadow-primary);
    transform: translateX(8px);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.layer-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.layer-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.layer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.layer-content span {
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.layer-content span:hover {
    background: var(--primary-lighter);
    color: var(--primary-color);
}

/* ============================================
   实施流程
   ============================================ */
.implementation-process {
    padding: 80px 0;
    background: white;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    padding: 40px 0;
}

.process-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.process-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.process-icon i {
    font-size: 32px;
    color: white;
}

.process-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.process-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.process-time {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-lighter);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.process-connector {
    position: absolute;
    top: 40px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 50%, var(--primary-color) 100%);
    z-index: 1;
}

/* ============================================
   系统界面展示
   ============================================ */
.system-showcase {
    padding: 80px 0;
    background: var(--bg-light);
}

.showcase-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    background: white;
    padding: 8px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    flex: 1;
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.tab-btn i {
    font-size: 18px;
}

.tab-content {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.showcase-image {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.showcase-description h4 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.showcase-description p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.showcase-description ul {
    list-style: none;
    padding: 0;
}

.showcase-description li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 28px;
    font-size: 15px;
}

.showcase-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 600;
    font-size: 16px;
}

/* ============================================
   服务保障
   ============================================ */
.service-guarantee {
    padding: 80px 0;
    background: white;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    text-align: center;
    padding: 32px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.service-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary);
    background: white;
}

.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.service-icon i {
    font-size: 32px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon i {
    color: white;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1200px) {
    .value-grid,
    .tech-grid,
    .benefits-metrics,
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .database-features {
        grid-template-columns: 1fr;
    }
    
    .management-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        flex-wrap: wrap;
        gap: 40px;
    }
    
    .process-item {
        flex: 0 0 calc(33.333% - 30px);
    }
    
    .process-connector {
        display: none;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 100px 0 60px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-hero h1 {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .value-grid,
    .tech-grid,
    .cases-grid,
    .benefits-metrics,
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .database-features {
        grid-template-columns: 1fr;
    }
    
    .management-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-card {
        flex-direction: column;
        gap: 20px;
    }
    
    .overview-card .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .overview-card .card-icon i {
        font-size: 28px;
    }
    
    .overview-card .card-content h3 {
        font-size: 22px;
    }
    
    .process-item {
        flex: 0 0 100%;
    }
    
    .tab-pane.active {
        grid-template-columns: 1fr;
    }
    
    .tab-nav {
        flex-direction: column;
    }
    
    .showcase-image {
        margin-bottom: 20px;
    }
    
    .feature-details {
        grid-template-columns: 1fr;
    }
    
    .features-timeline {
        padding-left: 0;
    }
    
    .features-timeline::before {
        left: 20px;
    }
    
    .feature-block {
        padding-left: 60px;
    }
    
    .feature-number {
        left: 0;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .product-cta h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .product-hero h1 {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-header p {
        font-size: 16px;
    }
    
    .metric-value {
        font-size: 36px;
    }
}

/* ============================================
   痛点分析样式
   ============================================ */
.pain-points {
    padding: 80px 0;
    background: var(--bg-gray);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-card {
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.pain-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pain-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--primary-color);
}

.pain-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.pain-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

/* ============================================
   处理流程样式
   ============================================ */
.process {
    padding: 80px 0;
    background: white;
}

.process-visual {
    margin-top: 50px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 20px;
}

/* ============================================
   应用场景样式
   ============================================ */
.scenarios {
    padding: 80px 0;
    background: var(--bg-gray);
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.scenario-card {
    background: white;
    padding: 35px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.scenario-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.scenario-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.scenario-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.scenario-card ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 15px;
    position: relative;
    padding-left: 25px;
}

.scenario-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* ============================================
   下载区域样式
   ============================================ */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

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

.download-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.download-text p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
}

.download-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-feature i {
    font-size: 20px;
}

.download-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: white;
    color: var(--text-primary);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.download-btn:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.download-btn.outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.download-btn i {
    font-size: 24px;
    color: var(--primary-color);
}

.download-btn.outline i {
    color: white;
}

.download-btn strong {
    display: block;
    font-size: 16px;
    margin-bottom: 2px;
}

.download-btn small {
    display: block;
    font-size: 12px;
    opacity: 0.7;
}

/* 额外的价值卡片度量样式 */
.value-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid #eee;
}

.value-metric .metric-label {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.value-metric .metric-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
}

.value-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
    opacity: 0.3;
}

/* ============================================
   技术实现展示
   ============================================ */
.tech-implementation {
    padding: 80px 0;
    background: var(--bg-light);
}

.tech-dashboard {
    margin-top: 50px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.dashboard-stats .stat-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.dashboard-stats .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card .stat-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.stat-card .stat-content {
    flex: 1;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.tech-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tech-highlight-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.tech-highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-highlight-card .tech-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-lighter);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tech-highlight-card .tech-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.tech-highlight-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.tech-highlight-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   针对性解决方案
   ============================================ */
.targeted-solutions {
    padding: 80px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.solution-card {
    background: var(--bg-light);
    padding: 35px;
    border-radius: 15px;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: white;
}

.solution-card .solution-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-card .solution-icon i {
    font-size: 28px;
    color: white;
}

.solution-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.solution-meta {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 15px;
}

.solution-meta .job-title {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
}

.solution-meta .scale-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.solution-card > p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.solution-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    position: relative;
    padding-left: 25px;
}

.solution-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 20px;
    line-height: 1;
}

.solution-benefit {
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.solution-benefit .benefit-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.solution-benefit .benefit-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

.solutions-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.solutions-stats .stat-item {
    text-align: center;
}

.solutions-stats .stat-item h4 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.solutions-stats .stat-item p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 痛点分析改进 */
.pain-impact {
    margin-top: 15px;
    padding: 10px 15px;
    background: rgba(255, 59, 48, 0.05);
    border-left: 3px solid #ff3b30;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pain-impact .impact-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.pain-impact .impact-value {
    font-size: 14px;
    font-weight: 600;
    color: #ff3b30;
}

/* 客户价值区域 */
.customer-value {
    padding: 80px 0;
    background: white;
}

.value-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.value-metric-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.value-metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.value-metric-card .metric-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-metric-card .metric-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.value-metric-card .metric-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.value-metric-card .metric-desc {
    font-size: 16px;
    color: var(--text-secondary);
}

/* 下载部分 */
.download-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.download-content {
    margin-top: 50px;
}

.download-hero {
    text-align: center;
    margin-bottom: 50px;
}

.download-hero h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
}

.download-hero p {
    font-size: 16px;
    color: #666;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto 60px;
}

.download-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,166,251,0.15);
}

.os-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.os-icon i {
    font-size: 40px;
    color: white;
}

.download-card h4 {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
}

.os-requirements {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.download-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
    text-align: left;
}

.download-features li {
    padding: 8px 0;
    color: #666;
    font-size: 14px;
}

.download-features i {
    color: var(--primary-color);
    margin-right: 8px;
}

.btn-download {
    width: 100%;
    padding: 15px 30px;
    font-size: 16px;
    margin-bottom: 10px;
}

.file-info {
    font-size: 12px;
    color: #999;
    margin: 0;
}

.download-benefits {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 16px;
}

.download-benefits h4 {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}

.download-benefits .benefit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.download-benefits .benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.download-benefits .benefit-item i {
    font-size: 32px;
    color: var(--primary-color);
}

.download-benefits .benefit-item span {
    font-size: 14px;
    color: #666;
}

@media (max-width: 768px) {
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .download-benefits .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 立即体验区域 */
.try-now {
    padding: 80px 0;
    background: var(--bg-light);
}

.try-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.try-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.try-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.try-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.try-features {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.try-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-secondary);
}

.try-features i {
    color: var(--success-color);
    font-size: 16px;
}

/* ============================================
   功能Tab样式
   ============================================ */
.features-tabs {
    margin-top: 50px;
}

.features-tabs .tab-nav {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    background: white;
    padding: 10px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.features-tabs .tab-btn {
    flex: 1;
    padding: 15px 25px;
    background: transparent;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.features-tabs .tab-btn:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.features-tabs .tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.features-tabs .tab-content {
    display: none;
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-md);
}

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

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.feature-text h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.feature-text p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 30px;
}

.feature-text .feature-list {
    list-style: none;
    padding: 0;
}

.feature-text .feature-list li {
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-text .feature-list i {
    color: var(--success-color);
    margin-top: 2px;
    flex-shrink: 0;
}

.feature-image {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ============================================
   技术架构优势
   ============================================ */
.technology-advantages {
    padding: 80px 0;
    background: white;
}

.tech-architecture-visual {
    margin-bottom: 50px;
}

.tech-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.tech-feature-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.tech-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.tech-feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-feature-icon i {
    font-size: 30px;
    color: white;
}

.tech-feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.tech-feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   效率对比展示
   ============================================ */
.efficiency-comparison {
    padding: 80px 0;
    background: var(--bg-light);
}

.comparison-visual {
    margin-top: 50px;
}

/* ============================================
   安全合规保障
   ============================================ */
.security-compliance {
    padding: 80px 0;
    background: white;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.security-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.security-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.security-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.security-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.security-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.security-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 响应式设计补充 */
@media (max-width: 768px) {
    .features-tabs .tab-nav {
        flex-direction: column;
    }
    
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-image {
        order: -1;
    }
    
    .tech-features-grid,
    .security-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .tech-features-grid,
    .security-features {
        grid-template-columns: 1fr;
    }
}