/* 
 * CRMEB技术服务商官网样式
 * 风格：简约商务（白底+蓝色系）
 */

/* 基础变量 */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #1e293b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    display: block;
    line-height: 1;
}

.logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

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

/* Hero区域 */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 30%, #fff8e6 70%, #ffffff 100%);
    min-height: 480px;
}

/* ===== Hero 轮播图 ===== */
.hero-carousel {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 30%, #fff8e6 70%, #ffffff 100%);
    min-height: 480px;
}

.carousel-slides {
    position: relative;
    min-height: 480px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 80px 0 60px;
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
    min-height: 480px;
    display: flex;
    align-items: center;
}

.carousel-slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    color: #333;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.carousel-prev { left: 24px; }
.carousel-next { right: 24px; }

.carousel-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.2);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.2);
}

.carousel-dot:hover {
    background: rgba(37, 99, 235, 0.5);
}

.hero h1 {
    color: #333333;
    text-shadow: none;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero h1 span {
    color: var(--primary-color);
}

.hero-subtitle {
    color: #666666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.hero-stats {
    gap: 60px;
    margin-bottom: 32px;
    justify-content: center;
}

.stat-number {
    color: var(--primary-color);
    font-size: 36px;
    font-weight: 700;
}

.stat-label {
    color: #666666;
    font-size: 14px;
}

.hero-buttons {
    justify-content: center;
    gap: 16px;
}

.hero-buttons .btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 14px 36px;
    border-radius: 6px;
    font-size: 16px;
}

.hero-buttons .btn-primary:hover {
    background-color: var(--primary-dark);
    color: #ffffff;
}

.hero-buttons .btn-secondary {
    border-color: var(--primary-color);
    color: var(--primary-color);
    padding: 14px 36px;
    border-radius: 6px;
    font-size: 16px;
}

.hero-buttons .btn-secondary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

.hero-content {
    text-align: center;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
}

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

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* 通用section样式 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 48px;
}

/* 服务预览 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 48px;
    height: 48px;
    background-color: #eff6ff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.service-link {
    font-weight: 500;
}

/* 为什么选我们 */
.why-us {
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 24px;
}

.feature-icon {
    width: 32px;
    height: 32px;
    background-color: #dcfce7;
    color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 16px;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--text-light);
    font-size: 14px;
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 180px;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder {
    color: var(--text-light);
    font-size: 14px;
}

.case-info {
    padding: 20px;
}

.case-info h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.case-info p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 12px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: #eff6ff;
    color: var(--primary-color);
    font-size: 12px;
    border-radius: 20px;
}

.cases-more {
    text-align: center;
    margin-top: 40px;
}

/* 合作流程 */
.process {
    background-color: var(--bg-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 16px;
}

.process-step h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 14px;
    color: var(--text-light);
}

/* 关于我们 */
.about-us {
    background-color: var(--bg-light);
}

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

.about-text h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

.about-desc {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    gap: 24px;
    margin-top: 24px;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-feature-icon {
    font-size: 28px;
}

.about-feature-item h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.about-feature-item p {
    color: var(--text-light);
    font-size: 14px;
}

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

.about-stat-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.about-stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

/* CTA区域 */
.cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
    color: white;
    padding: 80px 0;
}

.cta-content {
    text-align: center;
}

.cta h2 {
    font-size: 32px;
    margin-bottom: 12px;
    color: #ffffff;
}

.cta p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 24px;
    color: #bfdbfe;
}

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

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

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer h4 {
    font-size: 18px;
    margin-bottom: 16px;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-size: 14px;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* 页面头 */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 30%, #dbeafe 60%, #ffffff 100%);
    text-align: center;
    min-height: 300px;
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 12px;
    color: #1e293b;
}

.page-header p {
    font-size: 18px;
    color: #64748b;
}

/* 案例页专用 */
.cases-page-header {
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 30%, #dbeafe 60%, #ffffff 100%);
}

/* 联系页专用 */
.contact-page-header {
    background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 30%, #dbeafe 60%, #ffffff 100%);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-light);
}

/* 服务详情页 */
.svc-banner p {
    white-space: nowrap;
}

.service-detail {
    padding: 60px 0;
}

.service-detail.alt {
    background-color: var(--bg-light);
}

.service-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.service-detail-text h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.service-detail-desc {
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 32px;
}

.service-list-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.service-list-item:last-child {
    border-bottom: none;
}

.service-list-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.service-list-item p {
    color: var(--text-light);
}

.price-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: sticky;
    top: 90px;
}

.price-card h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.price-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.price-item:last-of-type {
    border-bottom: none;
}

.price-item span:first-child {
    color: var(--text-color);
}

.price-item span:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

.price-note {
    font-size: 12px;
    color: var(--text-light);
    margin: 16px 0;
}

/* 案例列表页 */
.cases-filter {
    padding: 40px 0 20px;
    background-color: var(--bg-light);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.filter-tab {
    padding: 8px 20px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.cases-list {
    padding: 40px 0 80px;
}

.cases-grid-large {
    display: grid;
    gap: 40px;
}

.case-card-large {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card-large:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-image-large {
    height: 300px;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder-large {
    color: var(--text-light);
    font-size: 16px;
}

.case-content {
    padding: 32px;
}

.case-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.case-content h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.case-desc {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 24px;
}

.case-detail {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-detail-item h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.case-detail-item ul {
    list-style: none;
}

.case-detail-item li {
    color: var(--text-light);
    font-size: 14px;
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
}

.case-detail-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.more-cases {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.more-cases-content {
    text-align: center;
}

.more-cases h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.more-cases p {
    color: var(--text-light);
    margin-bottom: 24px;
}

/* 联系页 - 服务热线 */
.hotline-section {
    padding: 40px 0 60px;
}

.hotline-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 40px 60px;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.hotline-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hotline-icon svg {
    width: 36px;
    height: 36px;
    color: white;
}

.hotline-info {
    text-align: center;
}

.hotline-info h3 {
    font-size: 16px;
    font-weight: 400;
    opacity: 0.85;
    margin-bottom: 8px;
}

.hotline-number {
    display: block;
    font-size: 40px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    letter-spacing: 2px;
    line-height: 1.2;
    margin-bottom: 8px;
}

.hotline-number:hover {
    opacity: 0.9;
}

.hotline-time {
    font-size: 14px;
    opacity: 0.75;
}

/* 联系渠道 */
.contact-channels {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 48px;
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.channel-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

.channel-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.channel-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.channel-icon svg {
    width: 32px;
    height: 32px;
}

.wechat-icon {
    background: #ecfdf5;
    color: #10b981;
}

.phone-icon {
    background: #eff6ff;
    color: var(--primary-color);
}

.qq-icon {
    background: #fef3c7;
    color: #f59e0b;
}

.email-icon {
    background: #fce7f3;
    color: #ec4899;
}

.channel-card h4 {
    font-size: 18px;
    margin-bottom: 12px;
}

.channel-value {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    word-break: break-all;
}

.channel-note {
    font-size: 14px;
    color: var(--text-light);
}

/* 微信二维码 */
.qr-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.qr-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 48px 60px;
    box-shadow: var(--shadow-sm);
}

.qr-card .qr-image {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 0;
    flex-shrink: 0;
}

.qr-info h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.qr-info p {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 8px;
}

.qr-info .qr-label {
    color: var(--primary-color);
    font-weight: 500;
}

/* 公司地址 */
.address-section {
    padding: 60px 0;
}

.address-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.address-detail {
    margin-bottom: 32px;
}

.address-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.address-icon {
    width: 40px;
    height: 40px;
    background: #eff6ff;
    border-radius: 50%;
    padding: 8px;
    flex-shrink: 0;
    color: var(--primary-color);
}

.address-item strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.address-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

.address-transport {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.transport-item {
    display: flex;
    gap: 10px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.transport-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.transport-item strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.transport-item p {
    font-size: 13px;
    color: var(--text-light);
}

.address-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.location-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.map-link {
    display: block;
    text-decoration: none;
}

.map-placeholder {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.map-placeholder:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

.map-icon {
    width: 72px;
    height: 72px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.map-text {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.map-address {
    display: block;
    font-size: 14px;
    color: var(--text-light);
}

/* 合作须知 */
.cooperation-notice {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.cooperation-notice h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 32px;
}

.notice-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.notice-item {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 24px;
}

.notice-item h4 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.notice-item p {
    color: var(--text-light);
    font-size: 14px;
}

/* 产品矩阵样式 */
.products-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.product-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    color: white;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.product-tech {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 500;
}

.product-desc {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-tags span {
    background-color: #eff6ff;
    color: var(--primary-color);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
}

/* 产品卡片按钮 */
.product-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.btn-card-primary {
    display: inline-block;
    padding: 8px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-card-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-1px);
}

.btn-card-secondary {
    display: inline-block;
    padding: 8px 20px;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

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

.products-footer {
    text-align: center;
    padding-top: 20px;
}

.products-footer p {
    color: var(--text-light);
    margin-bottom: 16px;
}

/* 技术优势样式 */
.tech-advantages {
    padding: 80px 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.tech-item {
    text-align: center;
    padding: 24px;
}

.tech-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.tech-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-color);
}

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

/* 服务子板块样式 */
.service-subsection {
    margin-bottom: 40px;
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
}

.service-subsection h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-color);
}

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

.service-grid-item {
    padding: 16px;
    background-color: white;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-color);
}

.service-grid-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.service-grid-item p {
    color: var(--text-light);
    font-size: 14px;
}

.service-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.service-tag-item {
    background-color: white;
    color: var(--primary-color);
    font-size: 14px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-color);
    transition: var(--transition);
}

.service-tag-item:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Footer 四列布局 */
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* 滚动入场动画 */
.anim-fade-up,
.anim-fade-left,
.anim-fade-right,
.anim-fade-in {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-fade-up {
    transform: translateY(30px);
}

.anim-fade-left {
    transform: translateX(-40px);
}

.anim-fade-right {
    transform: translateX(40px);
}

.anim-fade-in {
    transform: none;
}

.anim-fade-up.anim-visible,
.anim-fade-left.anim-visible,
.anim-fade-right.anim-visible,
.anim-fade-in.anim-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* 数字滚动动画 */
.counter-value {
    display: inline-block;
}

/* 产品卡片悬停增强 */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .case-detail {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .notice-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid-2col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        flex-direction: column;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-links,
    .nav-contact {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 32px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-carousel {
        min-height: 420px;
    }
    .carousel-slides { min-height: 420px; }
    .carousel-slide { min-height: 420px; padding: 60px 0 50px; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 16px; }
    .carousel-prev { left: 12px; }
    .carousel-next { right: 12px; }
    .carousel-slide h1 { font-size: 28px !important; }
    .carousel-slide .hero-subtitle { font-size: 15px !important; }
    
    .services-grid,
    .features-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-detail-content {
        grid-template-columns: 1fr;
    }
    
    .price-card {
        position: static;
        margin-top: 32px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .channels-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .address-content {
        grid-template-columns: 1fr;
    }
    
    .address-transport {
        grid-template-columns: 1fr;
    }
    
    .qr-card {
        flex-direction: column;
        padding: 32px 24px;
    }
    
    .hotline-card {
        flex-direction: column;
        padding: 32px 24px;
        text-align: center;
    }
    
    .hotline-number {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .notice-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .products-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .channels-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: 24px;
    }

    .svc-banner p {
        white-space: normal;
    }
}