/* ============================================
   锐点智能科技（广东）有限公司 - 官网样式表
   版本: 2.0
   描述: 明亮现代企业官网样式
   ============================================ */

/* ========== CSS变量定义 ========== */
:root {
    /* 主色调 - 明亮现代风 */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --accent-light: #60a5fa;
    --accent-soft: #eff6ff;
    
    /* 背景色 */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --bg-dark-gray: #e2e8f0;
    
    /* 文字颜色 */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #9ca3af;
    --text-muted: #6b7280;
    
    /* 边框和阴影 */
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --gradient-light: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    --gradient-hero: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #ffffff 100%);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 间距 */
    --section-padding: 100px 0;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== 排版样式 ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

.text-accent {
    color: var(--primary-color);
}

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

/* ========== 按钮样式 ========== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
    background: #ffffff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #ffffff;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 1rem;
    position: relative;
    padding: 8px 0;
    font-weight: 500;
}

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

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

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

.nav-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-phone {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ========== Hero 背景图片 ========== */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.hero .container {
    position: relative;
    z-index: 1;
}

/* ========== Hero 区域 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--accent-soft);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 60px;
    margin-top: 80px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* 科技装饰元素 */
.tech-decoration {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    opacity: 0.4;
}

.tech-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        transform: perspective(500px) rotateX(60deg) translateY(0);
    }
    100% {
        transform: perspective(500px) rotateX(60deg) translateY(50px);
    }
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    animation: float 6s ease-in-out infinite;
    opacity: 0.3;
}

.floating-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.floating-circle:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    animation-delay: 2s;
}

.floating-circle:nth-child(4) {
    width: 100px;
    height: 100px;
    top: 70%;
    left: 25%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.5;
    }
}

/* ========== 通用区块样式 ========== */
.section {
    padding: var(--section-padding);
    position: relative;
    background: var(--bg-white);
}

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

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

.section-dark {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #ffffff;
}

.section-accent {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #ffffff;
}

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

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-soft);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 500;
}

.section-dark .section-badge {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-dark .section-title {
    color: #ffffff;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* ========== 业务方向卡片 ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-features {
    margin-top: 20px;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--accent-soft) 0%, #ffffff 100%);
    border-color: var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 12px;
    background: var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #ffffff;
}

/* ========== 产品卡片 ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-image {
    height: 200px;
    background: var(--gradient-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.product-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, var(--bg-white), transparent);
}

.product-content {
    padding: 30px;
}

.product-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.product-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.product-tag {
    padding: 5px 12px;
    background: var(--bg-gray);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.product-link {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.product-link:hover {
    gap: 12px;
}

/* ========== 核心产品 - 大卡片样式 ========== */
.products-grid-large,
.services-grid-large {
    display: grid;
    gap: 40px;
}

.services-grid-large {
    grid-template-columns: 1fr;
}

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

.card-large:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.card-large.featured {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.15);
}

.service-card-large,
.product-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.service-image,
.card-image {
    height: 100%;
    min-height: 350px;
    position: relative;
    overflow: hidden;
}

.service-image img,
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card-large:hover .card-image img {
    transform: scale(1.05);
}

.featured-badge-large {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: var(--primary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    background: var(--primary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
}

.service-content,
.card-content {
    padding: 40px;
}

.service-content h3,
.card-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-content p,
.card-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    margin: 20px 0;
}

.service-features li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ========== 客户案例 ========== */
.cases-grid-large {
    display: grid;
    gap: 30px;
}

/* 大案例卡片 */
.case-card-large {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
}

.case-card-large:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.case-card-large .card-image {
    height: 220px !important;
    min-height: 220px !important;
    max-height: 220px !important;
}

.case-card-large .card-image img {
    height: 220px !important;
    object-fit: cover;
    width: 100%;
}

.case-card-large .card-content {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    padding: 30px !important;
}

.case-card-large .card-content h3 {
    color: var(--text-primary) !important;
    font-size: 1.3rem !important;
    margin-bottom: 10px !important;
    display: block !important;
}

.case-card-large .card-content p {
    color: var(--text-secondary) !important;
    margin-bottom: 15px !important;
    display: block !important;
}

.case-industry {
    display: inline-block !important;
    visibility: visible !important;
}

.case-industry {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-soft);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.case-stats {
    display: flex;
    gap: 40px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.case-stats .stat-item {
    text-align: left;
}

.case-stats .stat-number {
    font-size: 1.8rem;
}

.case-stats .stat-label {
    font-size: 0.85rem;
}

/* ========== 优势区块 ========== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
}

.advantage-card .card-image {
    min-height: 200px;
    height: 200px;
}

.advantage-card .card-content {
    padding: 30px;
}

.advantage-card .card-content h3 {
    font-size: 1.3rem;
}

.advantage-card .card-content p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ========== 为什么选择我们 ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: var(--transition-fast);
}

.feature-item:hover .feature-icon {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.feature-item:hover .feature-icon::before {
    color: #ffffff;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ========== 客户案例 - 小卡片 ========== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition-normal);
}

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

.case-logo {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.case-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.case-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.case-result {
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.case-result span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ========== CTA区域 ========== */
.cta-section {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: #ffffff;
    text-align: center;
    padding: 80px 0;
}

.cta-section .section-title {
    color: #ffffff;
}

.cta-section .section-subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* ========== 页脚 ========== */
.footer {
    background: #0f172a;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: #ffffff;
}

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

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-contact span {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ========== 关于页面 ========== */
.page-header {
    padding: 160px 0 80px;
    background: var(--gradient-light);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
}

.page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 15px;
}

.page-header p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 公司简介 */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-intro-content h2 {
    margin-bottom: 20px;
}

.about-intro-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-image {
    height: 400px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.culture-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ffffff;
}

.culture-card h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.culture-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 发展历程 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
    padding-right: 50px;
}

.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 50px;
}

.timeline-dot {
    position: absolute;
    right: -10px;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-white);
}

.timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: -10px;
}

.timeline-content {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 25px;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 团队介绍 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    text-align: center;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 20px;
    transition: var(--transition-normal);
}

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

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #ffffff;
}

.team-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.team-card .position {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.team-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* 资质荣誉 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.honor-item {
    aspect-ratio: 1;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.honor-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.honor-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.honor-item h5 {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.honor-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========== 联系页面 ========== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    color: #ffffff;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.contact-item a {
    color: var(--primary-color);
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 25px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    display: flex;
    justify-content: flex-end;
}

/* 地图区域 */
.map-section {
    margin-top: 60px;
}

.map-placeholder {
    height: 400px;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.map-placeholder span {
    font-size: 4rem;
}

.map-placeholder p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* ========== 动画效果 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .honor-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-description {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .tech-decoration {
        display: none;
    }
    
    .services-grid,
    .products-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card-large,
    .product-large {
        grid-template-columns: 1fr;
    }
    
    .service-card-large .service-image,
    .product-large .card-image {
        min-height: 250px;
    }
    
    .about-intro {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
        height: 300px;
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid,
    .products-grid,
    .cases-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        margin-left: 0;
        padding-left: 50px;
    }
    
    .timeline-dot {
        left: 10px;
        right: auto;
    }
    
    .timeline-item:nth-child(even) .timeline-dot {
        left: 10px;
    }
    
    .honor-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 120px 0 60px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 14px 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .navbar .container {
        height: 70px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
    }
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ========== 辅助类 ========== */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.pt-0 {
    padding-top: 0 !important;
}

/* ========== 图片图标样式 ========== */

/* 图标容器样式 */
.service-icon img,
.feature-icon img,
.culture-icon img,
.case-logo img,
.team-avatar img,
.honor-icon img,
.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 产品图片样式 */
.product-image img,
.service-image img,
.card-image img,
.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 社交媒体图标 */
.footer-social img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* Hero背景图样式 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    z-index: 1;
}

/* 网格背景样式 */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

/* 目标客户场景卡片 */
.scene-card-large .card-image {
    height: 200px !important;
    min-height: 200px !important;
    max-height: 200px !important;
}

.scene-card-large .card-image img {
    height: 200px !important;
    object-fit: cover;
    width: 100%;
}

/* 核心团队卡片 */
.team-card .card-image {
    height: 140px !important;
    min-height: 140px !important;
    max-height: 140px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: var(--bg-light);
}

.team-card .card-image img {
    width: 100px !important;
    height: 100px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    object-position: top !important;
}

.team-card .position {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* 联系方式卡片 */
.contact-card-large .card-image {
    height: 80px !important;
    min-height: 80px !important;
    max-height: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: var(--bg-light);
}

.contact-card-large .card-image img {
    width: 50px !important;
    height: 50px !important;
    object-fit: contain !important;
}

.contact-card-large .card-content {
    text-align: center;
    padding: 20px;
}

.contact-card-large .contact-note {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}