/* ========================================
   探趣智能官网 - 核心样式表
   ======================================== */

/* ---------- 1. CSS 变量 ---------- */
:root {
    --primary: #1a6dd4;
    --primary-dark: #1254a8;
    --primary-light: #4a90e2;
    --primary-glow: rgba(26, 109, 212, 0.4);
    --dark: #0a1628;
    --dark-secondary: #0f2035;
    --white: #ffffff;
    --gray-light: #f5f7fa;
    --gray: #e8ecf1;
    --gray-dark: #6b7b8d;
    --text-primary: #1a2332;
    --text-secondary: #4a5568;
    --gradient-primary: linear-gradient(135deg, #1a6dd4, #4a90e2);
    --gradient-dark: linear-gradient(135deg, #0a1628, #162d50);
    --gradient-glow: linear-gradient(135deg, rgba(26, 109, 212, 0.2), rgba(74, 144, 226, 0.1));
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 30px rgba(26, 109, 212, 0.3);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

/* ---------- 2. 全局重置和基础样式 ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

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

/* ---------- 3. 通用按钮样式 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 109, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 109, 212, 0.4);
}

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

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

/* ---------- 4. Section 通用标题样式 ---------- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    position: relative;
}

.section-subtitle::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ---------- 5. Header 导航栏 ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
    padding: 15px 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.header.scrolled .logo-cn,
.header.scrolled .nav-link {
    color: var(--text-primary);
}

.header.scrolled .logo-en {
    color: var(--primary);
}

/* 当移动端导航打开时，header保持透明背景 */
@media (max-width: 1024px) {
    .header.mobile-nav-open {
        background: transparent;
        box-shadow: none;
    }
    
    .header.mobile-nav-open .logo-cn {
        color: var(--white);
    }
    
    .header.mobile-nav-open .logo-en {
        color: var(--primary-light);
    }
    
    .header.mobile-nav-open .hamburger-line {
        background: var(--white) !important;
    }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex-shrink: 0;
    line-height: 1.2;
}

.logo-cn {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
    transition: var(--transition);
    white-space: nowrap;
}

.logo-en {
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--primary-light);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    margin-top: 2px;
}

/* 导航菜单 */
.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--white);
}

.nav-link:hover::after {
    width: 100%;
}

/* Header CTA 按钮 */
.header-cta {
    padding: 10px 22px;
    font-size: 14px;
}

/* 移动端专用按钮 - 默认隐藏 */
.header-cta-mobile {
    display: none;
}

.mobile-only {
    display: none;
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.header.scrolled .hamburger-line {
    background: var(--text-primary);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ---------- 6. Hero 首屏 ---------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-dark);
    overflow: hidden;
    padding: 100px 0 80px;
}

/* 背景动画容器 */
.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(26, 109, 212, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(74, 144, 226, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(26, 109, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 10% 80%, rgba(26, 109, 212, 0.12) 0%, transparent 35%),
        radial-gradient(circle at 90% 20%, rgba(74, 144, 226, 0.1) 0%, transparent 35%);
    animation: float-bg 20s ease-in-out infinite;
}

.hero-bg-animation::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(26, 109, 212, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 109, 212, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Hero 网格叠加层 */
.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px),
        repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px);
    z-index: 0;
    pointer-events: none;
}

/* 扫描线效果 */
.hero-scan-line {
    display: none;
}

/* 科技粒子 */
.tech-particles {
    display: none;
}



.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding: 8px 20px;
    background: rgba(26, 109, 212, 0.15);
    border: 1px solid rgba(26, 109, 212, 0.3);
    border-radius: 50px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* 向下滚动箭头 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    color: rgba(255, 255, 255, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: var(--transition);
    animation: bounce 2s infinite;
}

.scroll-arrow:hover {
    color: var(--white);
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.scroll-arrow svg {
    width: 24px;
    height: 24px;
}

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

/* ---------- 7. 公司简介板块 ---------- */
.about-section {
    padding: 100px 0;
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* 背景动画容器 */
.about-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.about-bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(26, 109, 212, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(74, 144, 226, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(26, 109, 212, 0.1) 0%, transparent 50%);
    animation: float-bg 20s ease-in-out infinite;
}

/* 网格叠加层 */
.about-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px),
        repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px);
    z-index: 0;
    pointer-events: none;
}

/* 科技装饰元素 */
.tech-decoration {
    display: none;
}

/* 板块分割线 */
.section-divider {
    display: none;
}

/* 关于我们图片 */
.about-image-container {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.about-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image-container:hover .about-image {
    transform: scale(1.05);
}

.about-image-container .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.1), transparent);
    pointer-events: none;
}

.about-section .section-title {
    color: var(--white);
}

.about-section .section-subtitle {
    color: var(--primary-light);
}

.about-section .section-subtitle::after {
    background: var(--primary-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

/* 新的主内容区 */
.about-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.about-intro {
    padding-right: 20px;
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--white);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.about-main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image-wrapper:hover .about-main-image {
    transform: scale(1.05);
}

.about-image-wrapper .image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.2), transparent);
    pointer-events: none;
}

/* 核心特色 */
.about-highlights {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.highlight-block {
    flex: 1;
    text-align: center;
    padding: 30px 20px;
}

.highlight-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.highlight-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.highlight-divider {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, rgba(26, 109, 212, 0.5), transparent);
}

/* 统计数字区域 */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 50px 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

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

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    display: block;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 8px;
}

/* ---------- 8. 核心技术方案板块 ---------- */
.solutions-section {
    padding: 100px 0;
    background: var(--gray-light);
    position: relative;
    overflow: hidden;
}

/* 解决方案卡片图片 */
.solution-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
    height: 140px;
}

.solution-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.solution-card:hover .solution-image {
    transform: scale(1.08);
}

.solution-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(26, 109, 212, 0.15));
    pointer-events: none;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.solution-card {
    background: rgba(245, 247, 250, 0.6);
    padding: 40px 35px;
    border-radius: var(--radius);
    border: 1px solid rgba(232, 236, 241, 0.5);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0.6;
}

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

.solution-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 109, 212, 0.1);
    border-radius: 50%;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--primary);
}

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

.solution-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- 9. 定制化方案板块 ---------- */
.customization-section {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

/* 定制化卡片图片 */
.custom-image-wrapper {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
    height: 130px;
}

.custom-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.custom-card:hover .custom-image {
    transform: scale(1.08);
}

.custom-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(26, 109, 212, 0.12));
    pointer-events: none;
}

.customization-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.custom-card {
    background: rgba(245, 247, 250, 0.6);
    padding: 40px 30px;
    border-radius: var(--radius);
    border: 1px solid rgba(232, 236, 241, 0.5);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

.custom-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.custom-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.custom-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 功能亮点区域 */
.highlights-section {
    text-align: center;
}

.highlights-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.highlights-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.highlight-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(245, 247, 250, 0.8);
    border-radius: 50px;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid rgba(232, 236, 241, 0.5);
}

.highlight-item:hover {
    background: rgba(26, 109, 212, 0.1);
    color: var(--primary);
    transform: scale(1.05);
    border-color: rgba(26, 109, 212, 0.3);
}

.highlight-icon {
    font-size: 1.2rem;
    opacity: 0.7;
}

/* ---------- 10. 成功案例板块 ---------- */
.cases-section {
    padding: 100px 0;
    background: var(--gray-light);
    position: relative;
    overflow: hidden;
}

/* 案例图片 */
.case-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-img {
    transform: scale(1.1);
}

.image-overlay-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.3), rgba(10, 22, 40, 0.4));
    z-index: 1;
    transition: opacity 0.3s ease;
}

.case-card:hover .image-overlay-gradient {
    opacity: 0.6;
}

.case-image .case-placeholder {
    position: relative;
    z-index: 2;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.case-card {
    background: rgba(245, 247, 250, 0.6);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(232, 236, 241, 0.5);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.case-card:nth-child(2) .case-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.case-card:nth-child(3) .case-image {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.case-placeholder {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.case-content {
    padding: 30px;
}

.case-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---------- 11. 合作模式板块 ---------- */
.cooperation-section {
    padding: 100px 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

/* 合作板块主图 */
.cooperation-hero {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

.cooperation-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cooperation-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.cooperation-image-wrapper:hover .cooperation-image {
    transform: scale(1.03);
}

.image-glow-effect {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: var(--gradient-primary);
    filter: blur(30px);
    opacity: 0.3;
    z-index: -1;
    border-radius: calc(var(--radius-lg) + 10px);
}

/* 合作伙伴跑马灯 */
.partners-marquee {
    overflow: hidden;
    position: relative;
    padding: 10px 0;
}

.partners-marquee::before,
.partners-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.partners-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--white), transparent);
}

.partners-marquee::after {
    right: 0;
    background: linear-gradient(-90deg, var(--white), transparent);
}

.partners-track {
    display: flex;
    gap: 20px;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.partners-marquee:hover .partners-track {
    animation-play-state: paused;
}

.partners-track .partner-tag {
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.05), rgba(74, 144, 226, 0.05));
    border: 1px solid rgba(26, 109, 212, 0.2);
    box-shadow: 0 2px 8px rgba(26, 109, 212, 0.08);
    transition: all 0.3s ease;
}

.partners-track .partner-tag:hover {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.cooperation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.coop-card {
    background: rgba(245, 247, 250, 0.6);
    padding: 40px 30px;
    border-radius: var(--radius);
    border: 1px solid rgba(232, 236, 241, 0.5);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

.coop-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.coop-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.coop-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 合作伙伴区域 */
.partners-section {
    text-align: center;
}

.partners-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.partner-tag {
    padding: 12px 24px;
    background: var(--gray-light);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid var(--gray);
}

.partner-tag:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: scale(1.05);
}

/* ---------- 12. 联系我们板块 ---------- */
.contact-section {
    padding: 100px 0;
    background: var(--gradient-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* 联系板块背景动画 */
.contact-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.contact-bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(26, 109, 212, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(74, 144, 226, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(26, 109, 212, 0.1) 0%, transparent 50%);
    animation: float-bg 25s ease-in-out infinite;
}

/* 网格叠加层 */
.contact-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px),
        repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(26, 109, 212, 0.08) 50px);
    z-index: 0;
    pointer-events: none;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.contact-section .section-subtitle::after {
    background: var(--primary-light);
}

.contact-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

/* 联系信息网格 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.contact-block {
    text-align: center;
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.contact-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.contact-block:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(26, 109, 212, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(26, 109, 212, 0.15);
}

.contact-block:hover::before {
    opacity: 1;
}

.contact-block-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.contact-link {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    word-break: break-all;
}

.contact-link:hover {
    color: var(--primary-light);
    transform: scale(1.05);
}

.contact-hint {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.contact-address-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.6;
}

.contact-address-sub {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* CTA 按钮区域 */
.contact-cta-wrapper {
    text-align: center;
}

.btn-large {
    padding: 18px 60px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ---------- 13. Footer ---------- */
.footer {
    background: #070f1c;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 20px;
}

.footer-logo .logo-cn {
    color: var(--white);
    font-size: 1.5rem;
}

.footer-logo .logo-en {
    color: var(--primary-light);
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-nav a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-info li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

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

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 5px;
}

.domain {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- 14. 响应式适配 ---------- */
@media (max-width: 1024px) {
    /* 移动端导航 - 顶部横向排列 */
    .main-nav {
        position: relative;
        background: transparent;
        display: block;
    }

    .nav-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px 12px;
        justify-content: flex-end;
        padding: 8px 0;
    }

    .nav-link {
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.85rem;
        padding: 3px 6px;
    }

    .nav-link::after {
        background: var(--primary-light);
    }

    .nav-link:hover {
        color: var(--white);
    }
    
    /* 移动端隐藏CTA按钮 */
    .header-cta {
        display: none;
    }
    
    /* 移动端隐藏单独的CTA按钮项 */
    .mobile-only {
        display: none;
    }
    
    /* 隐藏汉堡菜单 */
    .mobile-menu-toggle {
        display: none;
    }
    
    /* 滚动时导航链接变深色 */
    .header.scrolled .nav-link {
        color: var(--text-primary);
    }
    
    .header.scrolled .nav-link:hover {
        color: var(--primary);
    }
    
    /* 网格改为 2 列 */
    .about-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-intro {
        padding-right: 0;
    }

    .about-main-image {
        height: 300px;
    }

    .about-highlights {
        flex-direction: column;
        gap: 30px;
    }

    .highlight-divider {
        width: 60px;
        height: 1px;
    }

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

    .customization-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cooperation-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* 通用调整 */
    .section-header {
        margin-bottom: 40px;
    }

    .about-section,
    .solutions-section,
    .customization-section,
    .cases-section,
    .cooperation-section,
    .contact-section {
        padding: 60px 0;
    }

    /* 网格改为 1 列 */
    .customization-grid,
    .cases-grid,
    .cooperation-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .btn-large {
        padding: 16px 40px;
        font-size: 1rem;
    }

    .stats-section {
        grid-template-columns: 1fr 1fr;
        gap: 30px 20px;
        padding: 40px 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-suffix {
        font-size: 1.4rem;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-logo {
        align-items: center;
    }

    .footer-desc {
        max-width: 100%;
    }

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

    .hero-buttons .btn {
        width: 200px;
    }

    /* Highlights */
    .highlights-grid {
        gap: 10px;
    }

    .highlight-item {
        padding: 10px 18px;
        font-size: 0.9rem;
    }

    /* Partners */
    .partners-grid {
        gap: 10px;
    }

    .partner-tag {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .stats-section {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .stat-item {
        padding: 10px 0;
    }

    .feature-card,
    .solution-card,
    .custom-card,
    .case-card,
    .coop-card {
        padding: 25px 20px;
    }

    .case-content {
        padding: 20px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-bottom {
        padding-top: 20px;
    }
}

/* ---------- 15. 打印样式 ---------- */
@media print {
    .header,
    .scroll-indicator,
    .hero-bg-animation,
    .mobile-menu-toggle {
        display: none !important;
    }

    .hero-section {
        min-height: auto;
        padding: 40px 0;
    }

    body {
        color: #000;
    }

    a {
        text-decoration: underline;
    }
}