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

:root {
    --primary-blue: #1E40AF;
    --secondary-blue: #3B82F6;
    --accent-green: #10B981;
    --accent-teal: #14B8A6;
    --accent-purple: #8B5CF6;
    --bg-light: #F9FAFB;
    --text-dark: #111827;
    --text-gray: #6B7280;
    --border-gray: #E5E7EB;
    --white: #FFFFFF;
    --gradient-blue: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    --gradient-green: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
    --gradient-purple: linear-gradient(135deg, #8B5CF6 0%, #A78BFA 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-blue: 0 8px 24px rgba(30, 64, 175, 0.2);
    --shadow-green: 0 8px 24px rgba(16, 185, 129, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
}

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

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-blue);
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 30%, #E0F2FE 60%, #BFDBFE 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(30, 64, 175, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    animation: pulseGradient 10s ease-in-out infinite;
}


@keyframes pulseGradient {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.btn-secondary {
    background: var(--gradient-green);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-green);
}

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

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

/* ==================== 双公司卡片区 ==================== */
.companies {
    padding: 5rem 0;
    background: var(--white);
}

.company-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.company-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.company-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
}

.veras-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-blue);
}

.veras-card::before {
    background: var(--gradient-blue);
}

.deepknow-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-green);
}

.deepknow-card::before {
    background: var(--gradient-green);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.company-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.card-desc {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.card-link {
    display: inline-block;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.card-link:hover {
    color: var(--secondary-blue);
    transform: translateX(4px);
}

/* ==================== 协同关系 ==================== */
.collaboration {
    background: linear-gradient(135deg, #EFF6FF 0%, #E0F2FE 50%, #ECFDF5 100%);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.collaboration::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.05) 0%, transparent 70%);
    animation: rotateGradient 20s linear infinite;
}

@keyframes rotateGradient {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.collaboration h3 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.collaboration p {
    color: var(--text-gray);
    font-size: 1.125rem;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ==================== 公司详情页 ==================== */
.company-detail {
    padding: 6rem 0 4rem;
}

.veras-section {
    background: var(--bg-light);
}

.deepknow-section {
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
}

.detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.detail-block {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.detail-block h3 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.detail-block p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ==================== 能力网格 ==================== */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.capability-item {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.capability-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.capability-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.capability-item h4 {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

.capability-item p {
    color: var(--text-gray);
    font-size: 0.925rem;
    margin: 0;
}

/* ==================== 知识产权表格 ==================== */
.ip-table {
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    overflow: hidden;
}

.ip-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    border-bottom: 1px solid var(--border-gray);
}

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

.ip-label {
    background: var(--bg-light);
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    border-right: 1px solid var(--border-gray);
}

.ip-value {
    padding: 1rem 1.5rem;
    color: var(--text-gray);
}

/* ==================== 特性列表 ==================== */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
    line-height: 1.8;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ==================== 技术卡片 ==================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tech-card {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-radius: 12px;
    padding: 2rem;
    border-left: 4px solid var(--accent-green);
}

.tech-card h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.tech-card p {
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* ==================== 产品高亮 ==================== */
.product-highlight {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-radius: 12px;
    padding: 2rem;
    border-left: 4px solid var(--accent-green);
}

.product-highlight h4 {
    color: var(--accent-green);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-highlight p {
    color: var(--text-gray);
    line-height: 1.8;
}

.feature-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.feature-col strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
}

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

.feature-col li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
}

.feature-col li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ==================== 研究盒子 ==================== */
.research-box {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    border-left: 4px solid var(--secondary-blue);
}

.research-box h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.research-box p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.research-box p:last-child {
    margin-bottom: 0;
}

/* ==================== 战略网格 ==================== */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.strategy-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
}

.strategy-card h4 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

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

.strategy-card li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    line-height: 1.8;
}

.strategy-card strong {
    color: var(--text-dark);
}

/* ==================== CTA Block ==================== */
.cta-block {
    text-align: center;
    margin-top: 3rem;
}

/* ==================== 产品展示页 ==================== */
.products-section {
    padding: 6rem 0 4rem;
    background: var(--bg-light);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.875rem 2rem;
    border: 2px solid var(--border-gray);
    background: var(--white);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.tab-btn.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

.product-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-grid.active {
    display: grid;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.03) 0%, rgba(16, 185, 129, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.product-card:hover::after {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.product-icon svg {
    width: 100%;
    height: 100%;
}

.product-card h3 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.product-brief {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag-small {
    background: var(--bg-light);
    padding: 0.375rem 0.75rem;
    border-radius: 16px;
    font-size: 0.8125rem;
    color: var(--text-gray);
}

.product-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.product-btn:hover {
    background: #1E3A8A;
}

/* ==================== 模态框 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
}

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

.modal-content {
    background: var(--white);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 3rem;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-gray);
}

.modal-close:hover {
    background: var(--border-gray);
    color: var(--text-dark);
}

.modal-image {
    width: 100%;
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    box-shadow: var(--shadow-sm);
}

.modal-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ==================== 联系我们 ==================== */
.contact-section {
    padding: 1rem 0 4rem;
    background: var(--white);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    color: var(--text-gray);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.contact-info {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
}

.contact-item {
    padding: 1rem 0;
    color: var(--text-gray);
    font-size: 1rem;
}

.contact-item strong {
    color: var(--text-dark);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
}

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

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

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .company-cards {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .ip-row {
        grid-template-columns: 1fr;
    }

    .ip-label {
        border-right: none;
        border-bottom: 1px solid var(--border-gray);
    }

    .capability-grid,
    .tech-grid,
    .strategy-grid {
        grid-template-columns: 1fr;
    }

    .feature-row {
        grid-template-columns: 1fr;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 2rem 1.5rem;
    }

    .collaboration {
        padding: 2rem;
    }

    .detail-block {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .nav-brand {
        font-size: 1.25rem;
    }

    .product-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }
}

/* ==================== Vision Section ==================== */
.vision-section {
    padding: 2rem 0;
    background: var(--white);
}

.vision-content {
    max-width: 1200px;
    margin: 0 auto;
}

.vision-hero {
    display: grid;
    grid-template-columns: 1.5fr 1fr;

    align-items: center;
    padding: 1rem 0;
}

.vision-hero-image {
    width: 100%;
}

.vision-hero-image svg {
    width: 100%;
    height: auto;
    display: block;
}

.vision-hero-text h3 {
    font-size: 1.75rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.vision-hero-text .vision-lead {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.4;
    text-align: left;
}

.vision-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.vision-point {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.point-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.vision-point strong {
    display: block;
    font-size: 1.125rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.vision-point p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.vision-lead {
    font-size: 1.25rem;
    line-height: 2;
    color: var(--text-dark);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 4rem;
    font-weight: 500;
}

.vision-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

/* 新增：内联长条形卡片样式 */
.vision-pillars-inline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.pillar-card-inline {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s;
}

.pillar-card-inline:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.pillar-icon-inline {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.pillar-icon-inline svg {
    width: 100%;
    height: 100%;
}

.pillar-content-inline {
    flex: 1;
}

.pillar-content-inline h4 {
    font-size: 1rem;
    color: var(--primary-blue);
    margin: 0 0 0.35rem 0;
    font-weight: 600;
}

.pillar-content-inline p {
    color: var(--text-gray);
    font-size: 0.8rem;
    line-height: 1.5;
    margin: 0;
}

.pillar-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 2px solid var(--border-gray);
}

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

.pillar-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    margin-left: auto;
    margin-right: auto;
}

.pillar-icon svg {
    width: 100%;
    height: 100%;
}

.pillar-card h3 {
    text-align: center;
}

.pillar-card h3 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
}

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

.vision-strategy {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    border-radius: 16px;
    padding: 3rem;
}

.vision-strategy h3 {
    text-align: center;
    color: var(--primary-blue);
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.strategy-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.strategy-box {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.strategy-box strong {
    display: block;
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
}

.strategy-box p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ==================== Capabilities Section ==================== */
.capabilities-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.capability-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-blue);
    transform: scaleY(0);
    transition: transform 0.3s;
}

.capability-card:hover::before {
    transform: scaleY(1);
}

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

.capability-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    background: var(--gradient-blue);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.capability-card h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

.capability-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
    line-height: 1.6;
}

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

/* ==================== Philosophy Section ==================== */
.philosophy-section {
    padding: 1rem 0;
    background: var(--white);
}

.philosophy-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-content h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 3rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.philosophy-item {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}

.philosophy-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.philosophy-item h3 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.philosophy-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ==================== Product Highlight ==================== */
.product-highlight {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-radius: 16px;
    padding: 3rem;
    margin-top: 2rem;
}

.product-highlight h4 {
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
    text-align: center;
}

.product-highlight > p {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto 2rem;
}

.feature-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-col {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.feature-col strong {
    display: block;
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

.feature-col ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
    line-height: 1.6;
}

.feature-col ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

/* ==================== Tech Grid ==================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border-left: 4px solid var(--accent-green);
}

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

.tech-card h4 {
    font-size: 1.25rem;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
}

.tech-card p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.tech-card p:last-child {
    margin-bottom: 0;
}

.tech-card strong {
    color: var(--text-dark);
}

/* ==================== Strategy Grid ==================== */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.strategy-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.strategy-card h4 {
    font-size: 1.25rem;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
}

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

.strategy-card ul li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    line-height: 1.6;
}

.strategy-card ul li strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.25rem;
}

/* ==================== Research Box ==================== */
.research-box {
    background: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
    border-radius: 16px;
    padding: 3rem;
    margin-top: 2rem;
}

.research-box h4 {
    font-size: 1.5rem;
    color: var(--accent-purple);
    margin-bottom: 1.5rem;
    text-align: center;
}

.research-box p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.research-box p:last-child {
    margin-bottom: 0;
}

.research-box strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 0.5rem;
}

/* ==================== Hero Badge & Cards ==================== */
.hero-badge {
    display: inline-block;
    background: var(--gradient-blue);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.hero-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

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

.card-icon-small {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.hero-card h3 {
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero-card p {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.5;
    margin: 0;
}

/* ==================== Section Badge ==================== */
.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    color: var(--primary-blue);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border: 1px solid var(--primary-blue);
}

/* ==================== Highlight Box ==================== */
.highlight-box {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-left: 4px solid #3B82F6;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.highlight-box h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.highlight-box p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.highlight-box p:last-child {
    margin-bottom: 0;
}

.highlight-box strong {
    color: #1E40AF;
    font-weight: 700;
}

/* ==================== Box Number ==================== */
.box-number {
    display: inline-block;
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    background: var(--gradient-blue);
    color: var(--white);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

/* ==================== Capability Icon Large ==================== */
.capability-icon-large {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.capability-content {
    text-align: left;
}

.capability-highlight {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    color: var(--primary-blue);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

.capability-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.capability-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ==================== Capability Footer ==================== */
.capability-footer {
    margin-top: 4rem;
    text-align: center;
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    border-radius: 12px;
    padding: 2rem;
}

.footer-badge {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.capability-footer p {
    font-size: 1.125rem;
    color: var(--text-gray);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

/* ==================== Pillar Card Enhanced ==================== */
.pillar-card p {
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ==================== 产品展示页 ==================== */
.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.products-section {
    padding: 80px 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-showcase-card {
    background: white;
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.product-showcase-card:hover {
    border-color: var(--secondary-blue);
    box-shadow: var(--shadow-blue);
    transform: translateY(-4px);
}

.product-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--gradient-blue);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-showcase-card h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-tagline {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    padding: 0.4rem 0.8rem;
    background: #EFF6FF;
    color: var(--secondary-blue);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.product-actions .btn {
    flex: 1;
}

/* ==================== 产品演示区域 ==================== */
.demos-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.demo-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.demo-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.demo-image {
    width: 100%;
    height: 320px;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.demo-image::after {
    content: '▶ 点击观看';
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.demo-card:hover .demo-image::after {
    opacity: 1;
}

.demo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.demo-info {
    padding: 1.5rem;
}

.demo-info h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.demo-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .demos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .demo-image {
        height: 200px;
    }
}