* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-color), #8B5CF6);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    margin-right: 10px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 15px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: #EEF2FF;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.15s;
}

.dropdown-link:hover {
    background-color: #F3F4F6;
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    gap: 6px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background: #EEF2FF;
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* Hero */
.hero {
    padding: 100px 0 80px;
    background: linear-gradient(180deg, #EEF2FF 0%, #FFFFFF 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: #DBEAFE;
    color: var(--primary-dark);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item .stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
}

.stat-item .stat-label {
    font-size: 13px;
    color: var(--text-gray);
}

.hero-image {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    border-radius: 20px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.hero-image::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    bottom: -50px;
    left: -50px;
}

/* Page Header */
.page-header {
    padding: 60px 0;
    background: linear-gradient(180deg, #EEF2FF 0%, #FFFFFF 100%);
}

.page-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 18px;
    color: var(--text-gray);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-gray);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb .separator {
    color: var(--text-light);
}

/* Section */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-gray);
    max-width: 680px;
    margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}

.feature-icon.purple { background: #EDE9FE; }
.feature-icon.green { background: #D1FAE5; }
.feature-icon.blue { background: #DBEAFE; }
.feature-icon.orange { background: #FEF3C7; }
.feature-icon.pink { background: #FCE7F3; }
.feature-icon.cyan { background: #CFFAFE; }

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.product-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.product-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.product-tag {
    padding: 4px 12px;
    background: #FEF3C7;
    color: #92400E;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.product-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.product-features {
    margin-bottom: 24px;
}

.product-features li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
    color: var(--text-gray);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.pricing-card {
    padding: 36px 32px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), #8B5CF6);
    color: white;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.pricing-price {
    margin-bottom: 24px;
}

.price-amount {
    font-size: 44px;
    font-weight: 800;
    color: var(--text-dark);
}

.price-period {
    font-size: 14px;
    color: var(--text-gray);
}

.pricing-features {
    flex: 1;
    margin-bottom: 28px;
}

.pricing-features li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 10px;
    color: var(--secondary-color);
    font-weight: bold;
}

.pricing-card .btn {
    width: 100%;
}

/* News */
.news-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-tag {
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-white);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.news-image.img1 { background: linear-gradient(135deg, #667EEA, #764BA2); color: white; }
.news-image.img2 { background: linear-gradient(135deg, #11998e, #38ef7d); color: white; }
.news-image.img3 { background: linear-gradient(135deg, #f093fb, #f5576c); color: white; }
.news-image.img4 { background: linear-gradient(135deg, #4facfe, #00f2fe); color: white; }
.news-image.img5 { background: linear-gradient(135deg, #fa709a, #fee140); color: white; }
.news-image.img6 { background: linear-gradient(135deg, #a8edea, #fed6e3); color: #4B5563; }

.news-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background: #EEF2FF;
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 12px;
    align-self: flex-start;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-title a:hover {
    color: var(--primary-color);
}

.news-summary {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.7;
    flex: 1;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.news-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0 80px;
}

.detail-category {
    display: inline-block;
    padding: 6px 16px;
    background: #EEF2FF;
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
}

.detail-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.detail-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
    color: var(--text-gray);
    font-size: 14px;
}

.detail-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 32px 0 16px;
}

.detail-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 24px 0 12px;
}

.detail-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: #374151;
}

.detail-content ul {
    margin: 16px 0;
    padding-left: 24px;
}

.detail-content ul li {
    list-style: disc;
    margin: 8px 0;
    color: #374151;
}

.detail-content blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    color: var(--text-gray);
    font-style: italic;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-image {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    border-radius: 20px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    font-weight: 500;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.team-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 600;
    color: white;
}

.avatar1 { background: linear-gradient(135deg, #667EEA, #764BA2); }
.avatar2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.avatar3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.avatar4 { background: linear-gradient(135deg, #fa709a, #fee140); }
.avatar5 { background: linear-gradient(135deg, #30cfd0, #330867); }
.avatar6 { background: linear-gradient(135deg, #a8edea, #fed6e3); color: #4B5563; }
.avatar7 { background: linear-gradient(135deg, #ff9a9e, #fecfef); }
.avatar8 { background: linear-gradient(135deg, #ffecd2, #fcb69f); color: #78350F; }

.team-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.team-role {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.team-desc {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-info-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contact-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item-label {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 6px;
}

.contact-item-value {
    font-size: 16px;
    font-weight: 500;
}

.contact-form {
    padding: 36px;
    background: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Docs */
.docs-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 48px;
    padding: 40px 0 80px;
}

.docs-sidebar {
    position: sticky;
    top: 100px;
    align-self: flex-start;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.docs-sidebar-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-gray);
    margin-bottom: 16px;
    padding: 0 12px;
}

.docs-sidebar-link {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.15s;
    margin-bottom: 2px;
}

.docs-sidebar-link:hover,
.docs-sidebar-link.active {
    background: #EEF2FF;
    color: var(--primary-color);
}

.docs-sidebar-group {
    margin-bottom: 24px;
}

.docs-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.docs-content h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 40px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.docs-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 28px 0 12px;
}

.docs-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: #374151;
}

.docs-content ul,
.docs-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.docs-content ul li,
.docs-content ol li {
    margin: 8px 0;
    line-height: 1.7;
}

.code-block {
    background: #1F2937;
    color: #E5E7EB;
    padding: 24px;
    border-radius: 12px;
    margin: 20px 0;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.7;
}

.code-block .comment { color: #9CA3AF; }
.code-block .keyword { color: #F472B6; }
.code-block .string { color: #34D399; }
.code-block .function { color: #60A5FA; }

.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin: 20px 0;
    border-left: 4px solid;
}

.alert-info {
    background: #EFF6FF;
    border-color: #3B82F6;
    color: #1E40AF;
}

.alert-warning {
    background: #FFFBEB;
    border-color: #F59E0B;
    color: #92400E;
}

.sdk-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.sdk-card {
    padding: 28px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s;
}

.sdk-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.sdk-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sdk-version {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.sdk-desc {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* Solution */
.solution-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0 80px;
}

.solution-hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.solution-hero p {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 28px;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.solution-case {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.case-image {
    background: linear-gradient(135deg, #667EEA, #764BA2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    min-height: 300px;
}

.case-content {
    padding: 40px;
}

.case-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.case-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-desc {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.case-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.case-stat-label {
    font-size: 13px;
    color: var(--text-gray);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #7C3AED 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background: #F3F4F6;
}

.cta-section .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: white;
}

.cta-section .btn-outline:hover {
    background: rgba(255,255,255,0.1);
}

/* Footer */
.footer {
    background: #111827;
    color: #9CA3AF;
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 36px;
    height: 36px;
    background: #374151;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.social-icon:hover {
    background: var(--primary-color);
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid #374151;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a:hover {
    color: white;
}

/* Responsive */
@media (max-width: 968px) {
    .nav { display: none; }
    .hero-inner,
    .about-content,
    .contact-grid,
    .docs-layout,
    .solution-hero,
    .solution-case {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .feature-grid,
    .news-grid,
    .pricing-grid,
    .product-grid,
    .solution-features {
        grid-template-columns: 1fr;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .hero-title {
        font-size: 36px;
    }
    .section-title,
    .page-title {
        font-size: 28px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .pricing-card.featured {
        transform: scale(1);
    }
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    .sdk-grid {
        grid-template-columns: 1fr;
    }
}
