/* ========================================
   杭州盈兔探客科技官网样式表
   设计风格：科技蓝·专业商务风
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* 主色调 - 科技蓝 */
    --primary-color: #0052CC;
    --primary-dark: #003D99;
    --primary-light: #4A90E2;

    /* 辅助色 */
    --secondary-color: #FF6B35;
    --accent-color: #00D4FF;

    /* 中性色 */
    --text-primary: #1A1F2E;
    --text-secondary: #546E7A;
    --text-light: #8FA3AD;
    --border-color: #E0E6ED;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #0052CC 0%, #4A90E2 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #FFA07A 100%);

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 82, 204, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 82, 204, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 82, 204, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 82, 204, 0.2);

    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;

    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-size-base: 16px;

    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========== Global Reset ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ========== Container ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== Navigation Bar ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-top: -4px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #001529 0%, #003D99 100%);
    color: var(--bg-white);
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: #4A90E2;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    font-size: 24px;
    color: rgba(255, 255, 255, 0.7);
    z-index: 2;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

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

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

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

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========== Section Styles ========== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ========== Core Advantages ========== */
.advantages {
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.advantage-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.advantage-card .icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--bg-white);
}

.advantage-card h3 {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.advantage-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Products Preview ========== */
.products-preview {
    background: var(--bg-white);
}

.product-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 16px;
}

.product-item.reverse {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
}

.product-item.reverse .product-image {
    order: 2;
}

.product-item.reverse .product-content {
    order: 1;
}

.product-image .product-placeholder {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #0052CC 0%, #4A90E2 100%);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 64px;
}

.product-placeholder p {
    font-size: 16px;
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

.product-content h3 {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.product-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.product-features {
    margin-bottom: var(--spacing-md);
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-features i {
    color: var(--primary-color);
    font-size: 18px;
}

.product-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) 0;
    border-top: 2px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ========== Statistics Section ========== */
.statistics {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-card i {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.stat-card .stat-number {
    font-size: 48px;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
    color: var(--bg-white);
    background: none;
    -webkit-text-fill-color: inherit;
}

.stat-card .stat-label {
    font-size: 16px;
    opacity: 0.9;
    color: var(--bg-white);
}

/* ========== CTA Section ========== */
.cta {
    background: linear-gradient(135deg, #001529 0%, #003D99 100%);
    color: var(--bg-white);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 18px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ========== Footer ========== */
.footer {
    background: #1A1F2E;
    color: var(--bg-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3, .footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.contact-info i {
    color: var(--primary-light);
    margin-top: 4px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ========== Back to Top Button ========== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ========== Page Header (Internal Pages) ========== */
.page-header {
    background: var(--gradient-primary);
    color: var(--bg-white);
    text-align: center;
    padding: 120px 0 var(--spacing-xl);
    margin-top: 70px;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 20px;
    opacity: 0.9;
}

/* ========== About Page - Company Intro ========== */
.company-intro {
    padding: var(--spacing-xl) 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.intro-image .image-placeholder {
    aspect-ratio: 16/10;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 64px;
}

.image-placeholder p {
    font-size: 16px;
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

/* ========== Company Culture ========== */
.company-culture {
    background: var(--bg-light);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.culture-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--bg-white);
}

.culture-card h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.culture-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Timeline Section ========== */
.timeline-section {
    background: var(--bg-white);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-lg);
}

.timeline-dot {
    position: absolute;
    left: 18px;
    top: 0;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border: 4px solid var(--bg-white);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.timeline-date {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== Honors Section ========== */
.honors-section {
    background: var(--bg-light);
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.honor-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.honor-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.honor-card h4 {
    font-size: 16px;
    color: var(--text-primary);
}

/* ========== Products Page ========== */
.product-detail {
    padding: var(--spacing-xl) 0;
}

.product-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.product-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--bg-white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.product-tagline {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.product-overview {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.overview-content h3 {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.overview-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.features-list {
    display: grid;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.feature-item i {
    font-size: 32px;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

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

.overview-image .product-screenshot {
    aspect-ratio: 4/3;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 72px;
    box-shadow: var(--shadow-lg);
}

.application-scenarios {
    margin-bottom: var(--spacing-xl);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.scenario-card {
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
}

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

.scenario-card i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.scenario-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

.product-benefits {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.benefit-card {
    text-align: center;
    padding: var(--spacing-md);
}

.benefit-number {
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

.custom-services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.service-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

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

.service-card p {
    color: var(--text-secondary);
}

/* ========== Solutions Page ========== */
.solution-detail {
    padding: var(--spacing-xl) 0;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.solution-content.reverse .solution-image {
    order: 1;
}

.solution-content.reverse .solution-text {
    order: 2;
}

.solution-badge {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--bg-white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.solution-text h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.pain-points, .solution-approach, .solution-value {
    margin-bottom: var(--spacing-lg);
}

.pain-points h3, .solution-approach h3, .solution-value h3 {
    font-size: 22px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pain-points h3 i { color: var(--secondary-color); }
.solution-approach h3 i { color: #FFA500; }
.solution-value h3 i { color: #4CAF50; }

.pain-points ul, .solution-approach ul {
    list-style: none;
    padding-left: 0;
}

.pain-points li, .solution-approach li {
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
}

.pain-points li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--secondary-color);
    font-size: 20px;
}

.solution-approach li::before {
    content: '✓';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-weight: 700;
}

.value-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
}

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

.value-item span {
    color: var(--text-primary);
    font-weight: 500;
}

.solution-placeholder {
    aspect-ratio: 4/3;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 72px;
    box-shadow: var(--shadow-lg);
}

.case-studies {
    background: var(--bg-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.case-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.case-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
}

.case-card h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.case-type {
    display: inline-block;
    background: var(--primary-light);
    color: var(--bg-white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: var(--spacing-md);
}

.case-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.case-result {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.case-result span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.case-result i {
    color: #4CAF50;
}

/* ========== Contact Page ========== */
.contact-info-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--bg-white);
}

.contact-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========== Contact Form ========== */
.contact-form-section {
    padding: var(--spacing-xl) 0;
}

.form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.form-intro h2 {
    font-size: 36px;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.form-features {
    margin: var(--spacing-lg) 0;
}

.form-features .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-sm);
    background: none;
    padding: 0;
    border: none;
}

.form-features i {
    color: #4CAF50;
    font-size: 18px;
}

.qr-code-section {
    margin-top: var(--spacing-lg);
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    background: var(--bg-light);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.qr-placeholder i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.qr-placeholder p {
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-form {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.required {
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 82, 204, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: start;
}

.checkbox-label {
    display: flex;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
}

.form-notice {
    margin-top: var(--spacing-md);
    padding: 12px;
    background: rgba(0, 82, 204, 0.05);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: start;
    gap: 8px;
}

.form-notice i {
    color: var(--primary-color);
    margin-top: 2px;
}

.form-message {
    text-align: center;
    padding: var(--spacing-lg);
}

.form-message i {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.form-message.success i {
    color: #4CAF50;
}

.form-message.error i {
    color: var(--secondary-color);
}

.form-message h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
}

/* ========== Map Section ========== */
.map-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.map-container {
    margin-top: var(--spacing-lg);
}

.map-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #E0E6ED 0%, #F5F7FA 100%);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
}

.map-placeholder i {
    font-size: 72px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.map-placeholder p {
    font-size: 16px;
    margin-bottom: 8px;
}

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

/* ========== Utility Classes ========== */
.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.lead { font-size: 20px; font-weight: 500; line-height: 1.6; }
.text-center { text-align: center; }
.alt-bg { background: var(--bg-light); }