/* ============================================
   广州哈维信息科技有限公司 - 科技风格样式
   ============================================ */

/* CSS 变量定义 */
:root {
    /* 主色调 - 科技蓝 */
    --primary: #00d4ff;
    --primary-dark: #00a8cc;
    --primary-light: #80e9ff;
    
    /* 辅助色 */
    --secondary: #7c3aed;
    --accent: #f59e0b;
    
    /* 背景色 */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* 边框 */
    --border-color: rgba(0, 212, 255, 0.2);
    --border-glow: rgba(0, 212, 255, 0.5);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #050508 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    
    /* 阴影 */
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
    
    /* 字体 */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Noto Sans SC', sans-serif;
    
    /* 间距 */
    --section-padding: 120px;
    --container-max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* 粒子背景画布 */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 70%),
        var(--bg-dark);
}

/* 容器 */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    width: 45px;
    height: 45px;
}

.logo-svg {
    width: 100%;
    height: 100%;
}

.logo-svg .hexagon {
    fill: none;
    stroke: var(--primary);
    stroke-width: 3;
    filter: drop-shadow(0 0 10px var(--primary));
}

.logo-svg .logo-text {
    fill: var(--primary);
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
}

.company-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 30px;
}

.lang-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.lang-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.lang-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-dark);
}

.lang-divider {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    padding: 8px 0;
}

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

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

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

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
}

/* ============================================
   英雄区域
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(0, 212, 255, 0.12) 0%, transparent 40%),
        radial-gradient(ellipse at 70% 60%, rgba(124, 58, 237, 0.1) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 100%, rgba(0, 255, 136, 0.05) 0%, transparent 50%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 10%;
    width: 500px;
    height: 500px;
    transform: translateY(-50%);
    background: 
        conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.1), transparent, rgba(124, 58, 237, 0.1), transparent);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
    pointer-events: none;
    filter: blur(60px);
}

@keyframes rotate {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

.hero-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 30px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

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

/* 统计数据 */
.hero-stats {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* 英雄区域视觉元素 */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    pointer-events: none;
}

.tech-circle {
    position: absolute;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.circle-1 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    animation-duration: 30s;
}

.circle-2 {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    animation-duration: 20s;
    animation-direction: reverse;
}

.circle-3 {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    animation-duration: 15s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
}

.float-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary);
}

.icon-1 { top: 10%; left: 10%; animation-delay: 0s; }
.icon-2 { top: 20%; right: 5%; animation-delay: 1s; }
.icon-3 { bottom: 30%; left: 5%; animation-delay: 2s; }
.icon-4 { bottom: 10%; right: 15%; animation-delay: 3s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   通用区域样式
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.light {
    color: var(--text-primary);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--primary);
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   关于我们
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background:
        radial-gradient(ellipse at 10% 30%, rgba(124, 58, 237, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 90% 70%, rgba(0, 212, 255, 0.08) 0%, transparent 40%),
        var(--bg-darker);
    position: relative;
}

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

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.about-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

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

.feature-icon {
    width: 24px;
    height: 24px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.feature-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 技术能力展示 */
.tech-capabilities {
    margin-top: 30px;
}

.tech-capabilities h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.international-capability {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 20px;
    margin-top: 16px;
}

.international-capability strong {
    color: var(--primary);
}

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

.tech-category {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.tech-category:hover {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.tech-cat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.tech-cat-header svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.tech-cat-header span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.tech-tags span {
    padding: 4px 10px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .tech-categories {
        grid-template-columns: 1fr;
    }
}

/* 技术网格 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-item {
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.grid-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.tech-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.grid-item:hover .tech-name {
    color: var(--primary);
}

/* ============================================
   服务项目
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(0, 255, 136, 0.06) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 40%),
        var(--bg-dark);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 0% 100%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 0%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--primary);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.service-tags span {
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary);
}

/* ============================================
   项目案例
   ============================================ */
.projects {
    padding: var(--section-padding) 0;
    background:
        radial-gradient(ellipse at 50% 30%, rgba(0, 212, 255, 0.06) 0%, transparent 45%),
        radial-gradient(ellipse at 30% 70%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 0, 128, 0.04) 0%, transparent 35%),
        var(--bg-darker);
    position: relative;
}

/* 项目列表样式 */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.project-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.project-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
}

.project-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 12px;
}

.project-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
    stroke-width: 1.5;
}

.project-content {
    flex: 1;
    min-width: 0;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.project-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-features span {
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.project-item:hover .project-features span {
    background: rgba(0, 212, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.2);
    color: var(--text-secondary);
}

/* 项目抽象概念图 */
.project-abstract {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* GIS抽象 - 分层网络 */
.gis-abstract {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 100%);
}

.abstract-layers {
    position: absolute;
    width: 100%;
    height: 100%;
}

.layer {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.layer-1 { width: 200px; height: 200px; top: 10%; left: 10%; }
.layer-2 { width: 150px; height: 150px; top: 30%; right: 15%; border-color: rgba(0, 212, 255, 0.15); }
.layer-3 { width: 100px; height: 100px; bottom: 20%; left: 30%; border-color: rgba(0, 212, 255, 0.1); }

.abstract-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #00d4ff;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
}

.node.n1 { top: 25%; left: 25%; }
.node.n2 { top: 40%; right: 25%; }
.node.n3 { bottom: 35%; left: 45%; }
.node.n4 { top: 60%; right: 40%; }

.abstract-connections {
    position: absolute;
    width: 100%;
    height: 100%;
}

.conn {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

.conn.c1 { width: 120px; top: 28%; left: 28%; transform: rotate(25deg); }
.conn.c2 { width: 100px; top: 50%; left: 35%; transform: rotate(-15deg); }
.conn.c3 { width: 80px; top: 45%; right: 30%; transform: rotate(35deg); }

/* 人事管理抽象 - 轨道系统 */
.hr-abstract {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

.abstract-orbit {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(124, 58, 237, 0.3);
}

.orbit-ring.r1 { width: 180px; height: 180px; }
.orbit-ring.r2 { width: 130px; height: 130px; border-color: rgba(124, 58, 237, 0.2); }
.orbit-ring.r3 { width: 80px; height: 80px; border-color: rgba(124, 58, 237, 0.15); }

.abstract-center {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
}

.center-glow {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.8) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.abstract-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(124, 58, 237, 0.6);
    border-radius: 50%;
}

.particle.p1 { top: 20%; left: 20%; animation: orbit 8s linear infinite; }
.particle.p2 { top: 70%; right: 20%; animation: orbit 10s linear infinite reverse; }
.particle.p3 { bottom: 20%; left: 30%; animation: orbit 12s linear infinite; }
.particle.p4 { top: 30%; right: 30%; animation: orbit 9s linear infinite reverse; }
.particle.p5 { bottom: 30%; right: 25%; animation: orbit 11s linear infinite; }

@keyframes orbit {
    from { transform: rotate(0deg) translateX(60px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(60px) rotate(-360deg); }
}

/* 医疗系统抽象 - 脉冲核心 */
.medical-abstract {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
}

.abstract-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(16, 185, 129, 0.4);
}

.pulse-ring.pr1 { width: 120px; height: 120px; animation: pulse 2s infinite; }
.pulse-ring.pr2 { width: 90px; height: 90px; animation: pulse 2s infinite 0.3s; }
.pulse-ring.pr3 { width: 60px; height: 60px; animation: pulse 2s infinite 0.6s; }

.abstract-core {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
}

.core-cross {
    width: 30px;
    height: 30px;
    position: relative;
}

.core-cross::before,
.core-cross::after {
    content: '';
    position: absolute;
    background: #10b981;
}

.core-cross::before { width: 30px; height: 6px; top: 12px; left: 0; }
.core-cross::after { width: 6px; height: 30px; top: 0; left: 12px; }

.abstract-waves {
    position: absolute;
    width: 100%;
    height: 100%;
}

.wave {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.5), transparent);
}

.wave.w1 { width: 80px; top: 30%; left: 10%; }
.wave.w2 { width: 60px; top: 50%; right: 15%; }
.wave.w3 { width: 70px; bottom: 30%; left: 20%; }

/* 仿真平台抽象 - 网格场 */
.sim-abstract {
    background: linear-gradient(135deg, #451a03 0%, #78350f 100%);
}

.abstract-grid {
    position: absolute;
    width: 100%;
    height: 100%;
}

.grid-line {
    position: absolute;
    background: rgba(245, 158, 11, 0.2);
}

.grid-line.gl1 { width: 1px; height: 100%; left: 20%; }
.grid-line.gl2 { width: 1px; height: 100%; left: 40%; }
.grid-line.gl3 { width: 1px; height: 100%; left: 60%; }
.grid-line.gl4 { width: 1px; height: 100%; left: 80%; }
.grid-line.gl5 { width: 100%; height: 1px; top: 50%; }

.abstract-mesh {
    position: absolute;
    width: 100%;
    height: 100%;
}

.mesh-point {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(245, 158, 11, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.mesh-point.mp1 { top: 25%; left: 25%; }
.mesh-point.mp2 { top: 35%; right: 30%; }
.mesh-point.mp3 { bottom: 30%; left: 40%; }
.mesh-point.mp4 { bottom: 25%; right: 25%; }

.abstract-field {
    position: absolute;
    width: 100%;
    height: 100%;
}

.field-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.5), transparent);
    border-radius: 1px;
}

.field-line.fl1 { width: 100px; top: 40%; left: 15%; transform: rotate(-20deg); }
.field-line.fl2 { width: 80px; bottom: 40%; right: 20%; transform: rotate(15deg); }

/* 银行报表抽象 - 数据柱 */
.bank-abstract {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
}

.abstract-columns {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.col {
    width: 20px;
    background: linear-gradient(to top, rgba(239, 68, 68, 0.8), rgba(239, 68, 68, 0.3));
    border-radius: 2px 2px 0 0;
}

.col.c1 { height: 50px; }
.col.c2 { height: 80px; }
.col.c3 { height: 65px; }
.col.c4 { height: 90px; }
.col.c5 { height: 75px; }

.abstract-trend {
    position: absolute;
    top: 20%;
    left: 10%;
    right: 10%;
}

.trend-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(239, 68, 68, 0.6), rgba(239, 68, 68, 0.8), rgba(239, 68, 68, 0.6), transparent);
    transform: rotate(-5deg);
}

.abstract-dots {
    position: absolute;
    width: 100%;
    height: 100%;
}

.abstract-dots .dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(239, 68, 68, 0.6);
    border-radius: 50%;
}

.abstract-dots .dot.d1 { top: 25%; left: 20%; }
.abstract-dots .dot.d2 { top: 35%; right: 25%; }
.abstract-dots .dot.d3 { bottom: 35%; left: 30%; }
.abstract-dots .dot.d4 { bottom: 25%; right: 20%; }

/* 教育系统抽象 - 书籍与毕业帽 */
.edu-abstract {
    background: linear-gradient(135deg, #831843 0%, #be185d 100%);
}

.abstract-books {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: flex-end;
    gap: 5px;
}

.book {
    width: 25px;
    background: linear-gradient(to right, rgba(236, 72, 153, 0.6), rgba(236, 72, 153, 0.3));
    border-radius: 2px;
    border: 1px solid rgba(236, 72, 153, 0.4);
}

.book.b1 { height: 40px; }
.book.b2 { height: 50px; }
.book.b3 { height: 35px; }

.abstract-graduation {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.cap-top {
    width: 40px;
    height: 25px;
    background: linear-gradient(to bottom, rgba(236, 72, 153, 0.8), rgba(236, 72, 153, 0.5));
    border-radius: 2px;
    position: relative;
}

.cap-top::after {
    content: '';
    position: absolute;
    top: -8px;
    right: -5px;
    width: 15px;
    height: 2px;
    background: rgba(236, 72, 153, 0.6);
    transform: rotate(-30deg);
}

.cap-base {
    width: 50px;
    height: 8px;
    background: rgba(236, 72, 153, 0.6);
    margin-top: -4px;
    margin-left: -5px;
    border-radius: 2px;
}

.abstract-stars {
    position: absolute;
    width: 100%;
    height: 100%;
}

.star {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.star.s1 { top: 15%; left: 20%; }
.star.s2 { top: 25%; right: 20%; }
.star.s3 { bottom: 40%; right: 15%; }

/* 政务系统抽象 - 建筑与人流 */
.gov-abstract {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}

.abstract-building {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.building-top {
    width: 60px;
    height: 20px;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.8), rgba(59, 130, 246, 0.5));
    margin: 0 auto;
    clip-path: polygon(20% 100%, 50% 0%, 80% 100%);
}

.building-body {
    width: 50px;
    height: 60px;
    background: rgba(59, 130, 246, 0.3);
    border: 1px solid rgba(59, 130, 246, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 8px 0;
}

.window {
    width: 30px;
    height: 8px;
    background: rgba(59, 130, 246, 0.5);
    border-radius: 1px;
}

.abstract-people {
    position: absolute;
    bottom: 15%;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.person {
    width: 12px;
    height: 20px;
    background: rgba(59, 130, 246, 0.6);
    border-radius: 6px 6px 0 0;
}

.abstract-flow {
    position: absolute;
    top: 20%;
    width: 100%;
}

.flow-arrow {
    position: absolute;
    width: 30px;
    height: 2px;
    background: rgba(59, 130, 246, 0.5);
}

.flow-arrow::after {
    content: '→';
    position: absolute;
    right: -10px;
    top: -8px;
    color: rgba(59, 130, 246, 0.6);
    font-size: 12px;
}

.flow-arrow.fa1 { left: 20%; }
.flow-arrow.fa2 { right: 20%; transform: rotate(180deg); }
.flow-arrow.fa2::after { left: -10px; right: auto; transform: rotate(180deg); }

/* 小程序抽象 - 移动设备 */
.mini-abstract {
    background: linear-gradient(135deg, #14532d 0%, #16a34a 100%);
}

.abstract-mobile {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.mobile-frame {
    width: 60px;
    height: 100px;
    background: rgba(34, 197, 94, 0.2);
    border: 2px solid rgba(34, 197, 94, 0.5);
    border-radius: 8px;
    padding: 8px;
}

.mobile-screen {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    padding: 6px;
}

.app-icon {
    background: rgba(34, 197, 94, 0.5);
    border-radius: 4px;
}

.abstract-touch {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.touch-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(34, 197, 94, 0.4);
    animation: touchExpand 2s infinite;
}

.touch-ring.tr1 { width: 80px; height: 80px; margin: -40px 0 0 -40px; }
.touch-ring.tr2 { width: 120px; height: 120px; margin: -60px 0 0 -60px; animation-delay: 0.5s; }

@keyframes touchExpand {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.2); opacity: 0; }
}

/* 视频平台抽象 - 播放与社交 */
.video-abstract {
    background: linear-gradient(135deg, #581c87 0%, #9333ea 100%);
}

.abstract-play {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
}

.play-circle {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(168, 85, 247, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-triangle {
    width: 0;
    height: 0;
    border-left: 15px solid rgba(168, 85, 247, 0.8);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 5px;
}

.abstract-film {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
}

.film-strip {
    width: 15px;
    height: 25px;
    background: rgba(168, 85, 247, 0.4);
    border: 1px solid rgba(168, 85, 247, 0.5);
}

.abstract-social {
    position: absolute;
    width: 100%;
    height: 100%;
}

.social-bubble {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(168, 85, 247, 0.3);
    border-radius: 50%;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

.social-bubble.sb1 { top: 20%; left: 20%; }
.social-bubble.sb2 { top: 25%; right: 25%; }
.social-bubble.sb3 { bottom: 30%; left: 25%; }

/* AI应用抽象 - 大脑与神经网络 */
.ai-abstract {
    background: linear-gradient(135deg, #0c4a6e 0%, #0ea5e9 100%);
}

.abstract-brain {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
}

.brain-hemisphere {
    width: 25px;
    height: 35px;
    background: rgba(14, 165, 233, 0.3);
    border: 1px solid rgba(14, 165, 233, 0.5);
}

.brain-hemisphere.left {
    border-radius: 25px 10px 10px 25px;
}

.brain-hemisphere.right {
    border-radius: 10px 25px 25px 10px;
}

.brain-connection {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 2px;
    background: rgba(14, 165, 233, 0.6);
}

.abstract-neural {
    position: absolute;
    width: 100%;
    height: 100%;
}

.neural-node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: rgba(14, 165, 233, 0.7);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
}

.neural-node.nn1 { top: 20%; left: 25%; }
.neural-node.nn2 { top: 25%; right: 30%; }
.neural-node.nn3 { bottom: 30%; left: 30%; }
.neural-node.nn4 { bottom: 25%; right: 25%; }

.abstract-recognition {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.rec-frame {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(14, 165, 233, 0.5);
    border-radius: 4px;
    position: relative;
}

.rec-frame::before,
.rec-frame::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid rgba(14, 165, 233, 0.6);
}

.rec-frame::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.rec-frame::after { bottom: -2px; right: -2px; border-left: none; border-top: none; }

/* 财政预算抽象 - 饼图与货币 */
.budget-abstract {
    background: linear-gradient(135deg, #713f12 0%, #ca8a04 100%);
}

.abstract-pie {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: conic-gradient(
        rgba(234, 179, 8, 0.7) 0deg 120deg,
        rgba(234, 179, 8, 0.5) 120deg 240deg,
        rgba(234, 179, 8, 0.3) 240deg 360deg
    );
}

.abstract-money {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.coin {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, rgba(234, 179, 8, 0.8), rgba(234, 179, 8, 0.4));
    border-radius: 50%;
    border: 2px solid rgba(234, 179, 8, 0.6);
}

.abstract-growth {
    position: absolute;
    top: 20%;
    right: 20%;
}

.growth-arrow {
    width: 30px;
    height: 30px;
    border-right: 3px solid rgba(234, 179, 8, 0.6);
    border-top: 3px solid rgba(234, 179, 8, 0.6);
    transform: rotate(-45deg);
}

/* 内控系统抽象 - 盾牌与锁 */
.control-abstract {
    background: linear-gradient(135deg, #334155 0%, #64748b 100%);
}

.abstract-shield {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
}

.shield-outer {
    width: 50px;
    height: 55px;
    background: rgba(100, 116, 139, 0.3);
    border: 2px solid rgba(100, 116, 139, 0.6);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.shield-inner {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
    height: 40px;
    background: rgba(100, 116, 139, 0.2);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.shield-check {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #10b981;
    font-size: 18px;
    font-weight: bold;
}

.abstract-locks {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.lock {
    width: 12px;
    height: 15px;
    background: rgba(100, 116, 139, 0.5);
    border-radius: 2px;
    position: relative;
}

.lock::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 2px;
    width: 8px;
    height: 8px;
    border: 2px solid rgba(100, 116, 139, 0.5);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
}

.abstract-rings {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.ring.r1 { width: 100px; height: 100px; top: 15%; left: 15%; }
.ring.r2 { width: 80px; height: 80px; bottom: 20%; right: 15%; }

/* ============================================
   项目概念图样式 - SVG版本
   ============================================ */
.project-concept {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.concept-svg {
    width: 100%;
    height: 100%;
}

/* GIS概念 - 湖南地图 + 水利监测 */
.gis-concept {
    background: linear-gradient(135deg, #1a365d 0%, #0a1628 100%);
}

/* 人事管理概念 - 办公楼 + 员工 */
.hr-concept {
    background: linear-gradient(135deg, #312e81 0%, #1e1b4b 100%);
}

/* 医疗系统概念 - 医院 + 医疗 */
.medical-concept {
    background: linear-gradient(135deg, #065f46 0%, #064e3b 100%);
}

/* 仿真平台概念 - 工厂 + 网格 */
.sim-concept {
    background: linear-gradient(135deg, #78350f 0%, #451a03 100%);
}

/* 银行报表概念 - 银行 + 图表 */
.bank-concept {
    background: linear-gradient(135deg, #991b1b 0%, #7f1d1d 100%);
}

/* 教育系统概念 - 学校 + 学习 */
.edu-concept {
    background: linear-gradient(135deg, #be185d 0%, #831843 100%);
}

/* 政务系统概念 - 政府 + 服务 */
.gov-concept {
    background: linear-gradient(135deg, #2563eb 0%, #1e3a8a 100%);
}

/* 小程序概念 - 手机 + 汽车 */
.mini-concept {
    background: linear-gradient(135deg, #16a34a 0%, #14532d 100%);
}

/* 视频平台概念 - 视频 + 社交 */
.video-concept {
    background: linear-gradient(135deg, #9333ea 0%, #581c87 100%);
}

/* AI人脸识别概念 - 人脸 + 扫描 */
.ai-concept {
    background: linear-gradient(135deg, #0ea5e9 0%, #0c4a6e 100%);
}

/* 财政预算概念 - 货币 + 饼图 */
.budget-concept {
    background: linear-gradient(135deg, #ca8a04 0%, #713f12 100%);
}

/* 内控系统概念 - 盾牌 + 流程 */
.control-concept {
    background: linear-gradient(135deg, #64748b 0%, #334155 100%);
}

.monitor-points {
    position: absolute;
    width: 100%;
    height: 100%;
}

.monitor {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.monitor.m1 { top: 35%; left: 25%; }
.monitor.m2 { top: 50%; left: 50%; transform: translateX(-50%); }
.monitor.m3 { top: 40%; right: 25%; }

.camera-icon {
    font-size: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #00d4ff;
}

.signal-wave {
    width: 20px;
    height: 20px;
    border: 2px solid #00d4ff;
    border-radius: 50%;
    margin-top: -10px;
    animation: signalPulse 2s infinite;
}

@keyframes signalPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.data-float {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.float-tag {
    padding: 4px 10px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: #00d4ff;
}

/* 人事管理概念 - 办公楼 + 员工 */
.hr-concept {
    background: linear-gradient(135deg, #312e81 0%, #1e1b4b 100%);
}

.office-bg {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.office-building {
    width: 80px;
    height: 60px;
    background: rgba(124, 58, 237, 0.3);
    border: 2px solid rgba(124, 58, 237, 0.5);
    border-radius: 4px 4px 0 0;
}

.office-windows {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.win {
    height: 12px;
    background: rgba(124, 58, 237, 0.5);
    border-radius: 2px;
}

.staff-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.staff {
    position: absolute;
    font-size: 24px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.staff.s1 { top: 20%; left: 20%; }
.staff.s2 { top: 25%; right: 20%; }
.staff.s3 { bottom: 35%; left: 15%; }
.staff.s4 { bottom: 30%; right: 15%; }

.hr-data {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.data-card {
    padding: 6px 12px;
    background: rgba(124, 58, 237, 0.2);
    border: 1px solid rgba(124, 58, 237, 0.4);
    border-radius: 4px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 医疗系统概念 - 医院 + 医疗图标 */
.medical-concept {
    background: linear-gradient(135deg, #065f46 0%, #064e3b 100%);
}

.hospital-bg {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.hospital-cross {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: #10b981;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    border-radius: 4px;
}

.hospital-building {
    width: 70px;
    height: 50px;
    background: rgba(16, 185, 129, 0.3);
    border: 2px solid rgba(16, 185, 129, 0.5);
    border-radius: 4px;
}

.medical-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.med-icon {
    position: absolute;
    font-size: 22px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.med-icon:nth-child(1) { top: 20%; left: 20%; }
.med-icon:nth-child(2) { top: 30%; right: 20%; }
.med-icon:nth-child(3) { bottom: 35%; left: 25%; }

.patient-flow {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.patient {
    font-size: 20px;
}

.arrow {
    color: #10b981;
    font-size: 16px;
}

/* 仿真平台概念 - 工厂 + 仿真网格 */
.sim-concept {
    background: linear-gradient(135deg, #78350f 0%, #451a03 100%);
}

.factory-bg {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.factory-building {
    width: 70px;
    height: 50px;
    background: rgba(245, 158, 11, 0.3);
    border: 2px solid rgba(245, 158, 11, 0.5);
    border-radius: 4px;
}

.factory-chimney {
    position: absolute;
    top: -20px;
    right: 10px;
    width: 15px;
    height: 25px;
    background: rgba(245, 158, 11, 0.4);
    border: 1px solid rgba(245, 158, 11, 0.5);
}

.simulation-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
}

.sim-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(245, 158, 11, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245, 158, 11, 0.1) 1px, transparent 1px);
    background-size: 25px 25px;
}

.sim-points {
    position: absolute;
    width: 100%;
    height: 100%;
}

.sp {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(245, 158, 11, 0.6);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.sp1 { top: 30%; left: 25%; }
.sp2 { top: 45%; right: 30%; }
.sp3 { bottom: 35%; left: 40%; }

.data-stream {
    position: absolute;
    top: 15%;
    left: 10%;
    right: 10%;
}

.stream-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.6), transparent);
    animation: streamFlow 3s infinite;
}

@keyframes streamFlow {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 银行报表概念 - 银行建筑 + 图表 */
.bank-concept {
    background: linear-gradient(135deg, #991b1b 0%, #7f1d1d 100%);
}

.bank-building {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bank-logo {
    font-size: 24px;
    color: #ef4444;
    font-weight: bold;
    margin-bottom: 5px;
}

.bank-pillar {
    width: 15px;
    height: 50px;
    background: rgba(239, 68, 68, 0.4);
    border: 1px solid rgba(239, 68, 68, 0.6);
    display: inline-block;
    margin: 0 3px;
}

.chart-overlay {
    position: absolute;
    top: 20%;
    right: 15%;
}

.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 5px;
    height: 40px;
}

.b-bar {
    width: 12px;
    background: rgba(239, 68, 68, 0.7);
    border-radius: 2px 2px 0 0;
}

.b-bar:nth-child(1) { height: 25px; }
.b-bar:nth-child(2) { height: 35px; }
.b-bar:nth-child(3) { height: 30px; }

.clock-icon {
    position: absolute;
    top: 20%;
    left: 15%;
    font-size: 24px;
}

/* 教育系统概念 - 学校 + 学习元素 */
.edu-concept {
    background: linear-gradient(135deg, #be185d 0%, #831843 100%);
}

.campus-bg {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.school-building {
    width: 70px;
    height: 45px;
    background: rgba(236, 72, 153, 0.3);
    border: 2px solid rgba(236, 72, 153, 0.5);
    border-radius: 4px 4px 0 0;
}

.school-door {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 25px;
    background: rgba(236, 72, 153, 0.5);
    border-radius: 4px 4px 0 0;
}

.edu-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.edu-icon {
    position: absolute;
    font-size: 22px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.edu-icon:nth-child(1) { top: 18%; left: 18%; }
.edu-icon:nth-child(2) { top: 28%; right: 18%; }
.edu-icon:nth-child(3) { bottom: 38%; left: 20%; }

.online-badge {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 14px;
    background: rgba(236, 72, 153, 0.3);
    border: 1px solid rgba(236, 72, 153, 0.5);
    border-radius: 20px;
    font-size: 0.75rem;
    color: white;
}

/* 政务系统概念 - 政府大楼 + 服务窗口 */
.gov-concept {
    background: linear-gradient(135deg, #2563eb 0%, #1e3a8a 100%);
}

.gov-building {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.gov-roof {
    width: 80px;
    height: 15px;
    background: rgba(59, 130, 246, 0.5);
    margin: 0 auto;
    clip-path: polygon(20% 100%, 50% 0%, 80% 100%);
}

.gov-col {
    width: 18px;
    height: 45px;
    background: rgba(59, 130, 246, 0.3);
    border: 1px solid rgba(59, 130, 246, 0.5);
    display: inline-block;
    margin: 0 2px;
}

.service-windows {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.svc-win {
    padding: 4px 8px;
    background: rgba(59, 130, 246, 0.3);
    border: 1px solid rgba(59, 130, 246, 0.5);
    border-radius: 4px;
    font-size: 0.65rem;
    color: white;
}

.queue-num {
    position: absolute;
    top: 15%;
    right: 15%;
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: #3b82f6;
}

/* 小程序概念 - 手机 + 汽车品牌 */
.mini-concept {
    background: linear-gradient(135deg, #16a34a 0%, #14532d 100%);
}

.phone-device {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.phone-screen {
    width: 55px;
    height: 90px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(34, 197, 94, 0.5);
    border-radius: 8px;
    padding: 8px;
}

.mini-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    height: 100%;
}

.mg-item {
    background: rgba(34, 197, 94, 0.4);
    border-radius: 4px;
}

.car-icon {
    position: absolute;
    top: 15%;
    right: 15%;
    font-size: 28px;
}

.brand-tag {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 10px;
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: #22c55e;
}

/* 视频平台概念 - 视频播放 + 社交 */
.video-concept {
    background: linear-gradient(135deg, #9333ea 0%, #581c87 100%);
}

.video-screen {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 50px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(168, 85, 247, 0.5);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-btn-vid {
    width: 25px;
    height: 25px;
    background: rgba(168, 85, 247, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
}

.video-actions {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.vid-act {
    font-size: 16px;
}

.video-user {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 10px;
    background: rgba(168, 85, 247, 0.2);
    border: 1px solid rgba(168, 85, 247, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: #a855f7;
}

/* AI人脸识别概念 - 人脸 + 扫描 */
.ai-concept {
    background: linear-gradient(135deg, #0ea5e9 0%, #0c4a6e 100%);
}

.face-outline {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.face-box {
    width: 60px;
    height: 70px;
    border: 2px solid rgba(14, 165, 233, 0.5);
    border-radius: 30px 30px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
}

.eye {
    font-size: 14px;
}

.mouth {
    font-size: 12px;
}

.scan-lines {
    position: absolute;
    width: 100%;
    height: 100%;
}

.s-line {
    position: absolute;
    width: 80px;
    height: 2px;
    background: rgba(14, 165, 233, 0.6);
    left: 50%;
    transform: translateX(-50%);
    animation: scanMove 2s infinite;
}

.s-line:nth-child(1) { top: 30%; }
.s-line:nth-child(2) { top: 60%; animation-delay: 1s; }

@keyframes scanMove {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

.match-result {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(16, 185, 129, 0.5);
    border-radius: 4px;
    font-size: 0.75rem;
    color: #10b981;
}

/* 财政预算概念 - 货币 + 饼图 */
.budget-concept {
    background: linear-gradient(135deg, #ca8a04 0%, #713f12 100%);
}

.budget-bg {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.budget-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.budget-chart {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: conic-gradient(
        rgba(234, 179, 8, 0.8) 0deg 120deg,
        rgba(234, 179, 8, 0.5) 120deg 240deg,
        rgba(234, 179, 8, 0.3) 240deg 360deg
    );
}

.money-flow {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.m-note {
    font-size: 20px;
}

.m-arrow {
    color: #eab308;
    font-size: 16px;
}

.budget-tag {
    position: absolute;
    top: 15%;
    right: 15%;
    padding: 4px 10px;
    background: rgba(234, 179, 8, 0.2);
    border: 1px solid rgba(234, 179, 8, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: #eab308;
}

/* 内控系统概念 - 盾牌 + 流程 */
.control-concept {
    background: linear-gradient(135deg, #64748b 0%, #334155 100%);
}

.control-bg {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 20px;
}

.shield-icon, .lock-icon {
    font-size: 32px;
}

.control-flow {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
}

.flow-step {
    padding: 5px 10px;
    background: rgba(100, 116, 139, 0.3);
    border: 1px solid rgba(100, 116, 139, 0.5);
    border-radius: 4px;
    font-size: 0.7rem;
    color: white;
}

.flow-arrow {
    color: rgba(100, 116, 139, 0.8);
    font-size: 14px;
}

.risk-tag {
    position: absolute;
    top: 15%;
    right: 15%;
    padding: 4px 10px;
    background: rgba(100, 116, 139, 0.2);
    border: 1px solid rgba(100, 116, 139, 0.4);
    border-radius: 4px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 项目可视化效果 */
.gis-visual {
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 100%);
}

.gis-map {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.map-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

.map-rivers {
    position: absolute;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    top: 40%;
    left: 20%;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.map-markers {
    position: absolute;
    width: 100%;
    height: 100%;
}

.marker {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #f59e0b;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.8);
    animation: pulse 2s infinite;
}

.marker.m1 { top: 30%; left: 25%; }
.marker.m2 { top: 50%; left: 60%; }
.marker.m3 { top: 70%; left: 40%; }

.data-panels {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    gap: 10px;
}

.data-panels .panel {
    background: rgba(0, 0, 0, 0.7);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* 人事管理系统可视化 */
.hr-visual {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

.hr-dashboard {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.org-node {
    background: rgba(124, 58, 237, 0.3);
    border: 1px solid rgba(124, 58, 237, 0.5);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.75rem;
    color: white;
    text-align: center;
}

.org-node.root {
    background: rgba(124, 58, 237, 0.5);
    font-weight: 600;
}

.org-level {
    display: flex;
    gap: 8px;
}

.stats-row {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.stat-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 8px;
    padding: 10px 20px;
    text-align: center;
}

.stat-box .stat-val {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: #7c3aed;
}

.stat-box .stat-lbl {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 医疗系统可视化 */
.medical-visual {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
}

.medical-interface {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.med-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(16, 185, 129, 0.3);
}

.med-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #10b981;
}

.med-status {
    font-size: 0.7rem;
    color: #10b981;
    background: rgba(16, 185, 129, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
}

.med-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
}

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

.med-num {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
}

.med-label {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
}

.med-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.med-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
}

.med-item .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.med-item .dot.green { background: #10b981; }
.med-item .dot.yellow { background: #f59e0b; }

/* 仿真平台可视化 */
.sim-visual {
    background: linear-gradient(135deg, #451a03 0%, #78350f 100%);
}

.sim-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sim-3d {
    width: 80px;
    height: 80px;
    perspective: 200px;
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate3d 10s infinite linear;
}

.face {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(245, 158, 11, 0.3);
    border: 1px solid rgba(245, 158, 11, 0.5);
}

.face.front  { transform: rotateY(0deg) translateZ(40px); }
.face.back   { transform: rotateY(180deg) translateZ(40px); }
.face.left   { transform: rotateY(-90deg) translateZ(40px); }
.face.right  { transform: rotateY(90deg) translateZ(40px); }
.face.top    { transform: rotateX(90deg) translateZ(40px); }
.face.bottom { transform: rotateX(-90deg) translateZ(40px); }

@keyframes rotate3d {
    from { transform: rotateX(-15deg) rotateY(0deg); }
    to { transform: rotateX(-15deg) rotateY(360deg); }
}

.sim-data {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sim-metric {
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* 银行报表可视化 */
.bank-visual {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
}

.bank-dashboard {
    width: 100%;
}

.bank-header {
    text-align: center;
    font-size: 0.85rem;
    color: #ef4444;
    margin-bottom: 12px;
    font-weight: 600;
}

.bank-charts {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 80px;
    margin-bottom: 10px;
    padding: 0 10px;
}

.chart-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.chart-bar .bar {
    width: 20px;
    background: linear-gradient(to top, #ef4444, rgba(239, 68, 68, 0.5));
    border-radius: 2px 2px 0 0;
    transition: height 0.3s ease;
}

.chart-bar span {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.7);
}

.bank-summary {
    text-align: center;
    font-size: 0.75rem;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    padding: 6px;
    border-radius: 4px;
}

/* 教育系统可视化 */
.edu-visual {
    background: linear-gradient(135deg, #831843 0%, #be185d 100%);
}

.edu-platform {
    width: 100%;
}

.edu-header {
    text-align: center;
    font-size: 0.85rem;
    color: #ec4899;
    margin-bottom: 12px;
    font-weight: 600;
}

.edu-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.progress-step {
    background: rgba(236, 72, 153, 0.2);
    border: 1px solid rgba(236, 72, 153, 0.4);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
}

.progress-step.active {
    background: rgba(236, 72, 153, 0.4);
    color: white;
}

.progress-arrow {
    color: #ec4899;
    font-size: 0.9rem;
}

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

.edu-stat .edu-num {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ec4899;
}

.edu-stat span:last-child {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 政务系统可视化 */
.gov-visual {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
}

.gov-appointment {
    width: 100%;
}

.gov-header {
    text-align: center;
    font-size: 0.85rem;
    color: #3b82f6;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.service-name {
    color: white;
}

.queue {
    color: #3b82f6;
    font-size: 0.65rem;
}

.smart-dispatch {
    text-align: center;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    padding: 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #3b82f6;
}

/* 小程序可视化 */
.mini-visual {
    background: linear-gradient(135deg, #14532d 0%, #16a34a 100%);
}

.miniapp-preview {
    display: flex;
    justify-content: center;
}

.mini-phone {
    width: 100px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(34, 197, 94, 0.4);
    border-radius: 12px;
    padding: 8px;
}

.mini-header {
    text-align: center;
    font-size: 0.7rem;
    color: #22c55e;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(34, 197, 94, 0.3);
}

.mini-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.mini-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.mini-icon {
    width: 24px;
    height: 24px;
    background: rgba(34, 197, 94, 0.3);
    border-radius: 6px;
}

.mini-item span {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.8);
}

/* 视频平台可视化 */
.video-visual {
    background: linear-gradient(135deg, #581c87 0%, #9333ea 100%);
}

.video-platform {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-player {
    width: 80px;
    height: 60px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.4), rgba(168, 85, 247, 0.2));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

.play-btn {
    width: 24px;
    height: 24px;
    background: rgba(168, 85, 247, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
}

.video-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.action-btn {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.8);
}

.video-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.video-info span:first-child {
    font-size: 0.75rem;
    color: #a855f7;
    font-weight: 600;
}

.video-info span:last-child {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.6);
}

/* 人脸识别可视化 */
.face-visual {
    background: linear-gradient(135deg, #0c4a6e 0%, #0ea5e9 100%);
}

.face-recognition {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.face-frame {
    width: 70px;
    height: 70px;
    border: 2px solid rgba(14, 165, 233, 0.5);
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.face-scan {
    position: absolute;
    width: 100%;
    height: 2px;
    background: #0ea5e9;
    box-shadow: 0 0 10px #0ea5e9;
    animation: scan 2s infinite;
}

@keyframes scan {
    0%, 100% { top: 0; opacity: 0; }
    50% { top: 100%; opacity: 1; }
}

.face-points {
    position: absolute;
    width: 100%;
    height: 100%;
}

.point {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #0ea5e9;
    border-radius: 50%;
}

.point.p1 { top: 30%; left: 35%; }
.point.p2 { top: 30%; right: 35%; }
.point.p3 { top: 50%; left: 50%; transform: translate(-50%, -50%); }
.point.p4 { bottom: 35%; left: 40%; }
.point.p5 { bottom: 35%; right: 40%; }

.face-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.face-result .match {
    font-size: 0.75rem;
    color: #10b981;
}

.face-result .confidence {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
}

/* 财政预算可视化 */
.budget-visual {
    background: linear-gradient(135deg, #713f12 0%, #ca8a04 100%);
}

.budget-dashboard {
    width: 100%;
}

.budget-header {
    text-align: center;
    font-size: 0.85rem;
    color: #eab308;
    margin-bottom: 12px;
    font-weight: 600;
}

.budget-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.step-icon {
    width: 28px;
    height: 28px;
    background: rgba(234, 179, 8, 0.3);
    border: 1px solid rgba(234, 179, 8, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #eab308;
}

.flow-step span {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.8);
}

.flow-arrow {
    color: #eab308;
    font-size: 0.8rem;
}

.budget-amount {
    text-align: center;
    background: rgba(234, 179, 8, 0.1);
    border: 1px solid rgba(234, 179, 8, 0.3);
    padding: 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #eab308;
}

/* 内控系统可视化 */
.control-visual {
    background: linear-gradient(135deg, #334155 0%, #64748b 100%);
}

.control-system {
    width: 100%;
}

.control-header {
    text-align: center;
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 12px;
    font-weight: 600;
}

.risk-indicators {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.indicator.green .dot { background: #10b981; box-shadow: 0 0 5px #10b981; }
.indicator.yellow .dot { background: #f59e0b; box-shadow: 0 0 5px #f59e0b; }

.indicator span {
    color: rgba(255, 255, 255, 0.9);
}

.control-status {
    text-align: center;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    padding: 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #10b981;
}

/* 联系信息卡片 */
.contact-info-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--primary);
}

.contact-info-card > p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-highlight {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary);
}

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

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

/* 项目主题色 */
.gis-theme { background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 100, 200, 0.3)); }
.gis-theme svg { color: #00d4ff; }

.hr-theme { background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(80, 30, 180, 0.3)); }
.hr-theme svg { color: #7c3aed; }

.medical-theme { background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(10, 120, 80, 0.3)); }
.medical-theme svg { color: #10b981; }

.sim-theme { background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(180, 120, 20, 0.3)); }
.sim-theme svg { color: #f59e0b; }

.bank-theme { background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(180, 50, 50, 0.3)); }
.bank-theme svg { color: #ef4444; }

.edu-theme { background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(180, 50, 130, 0.3)); }
.edu-theme svg { color: #ec4899; }

.gov-theme { background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(30, 80, 180, 0.3)); }
.gov-theme svg { color: #3b82f6; }

.mini-theme { background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(20, 140, 60, 0.3)); }
.mini-theme svg { color: #22c55e; }

.video-theme { background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(120, 50, 180, 0.3)); }
.video-theme svg { color: #a855f7; }

.face-theme { background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(10, 120, 180, 0.3)); }
.face-theme svg { color: #0ea5e9; }

.budget-theme { background: linear-gradient(135deg, rgba(234, 179, 8, 0.2), rgba(180, 140, 20, 0.3)); }
.budget-theme svg { color: #eab308; }

.control-theme { background: linear-gradient(135deg, rgba(100, 116, 139, 0.2), rgba(70, 85, 110, 0.3)); }
.control-theme svg { color: #64748b; }



/* ============================================
   联系我们
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background:
        radial-gradient(ellipse at 60% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 30% 70%, rgba(0, 255, 136, 0.06) 0%, transparent 40%),
        var(--bg-dark);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

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

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

/* 联系表单 */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 16px;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 0.8rem;
    color: var(--primary);
    background: var(--bg-dark);
    padding: 0 8px;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

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

.footer-desc {
    color: var(--text-secondary);
    max-width: 400px;
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom .beian {
    margin-top: 10px;
    font-size: 0.85rem;
}

.footer-bottom .beian a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    

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

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 40px;
        gap: 20px;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .language-switcher {
        margin-left: auto;
        margin-right: 20px;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 100px 20px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .project-item {
        flex-direction: column;
        padding: 24px;
    }
    
    .project-icon {
        width: 48px;
        height: 48px;
    }
    
    .project-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .project-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .project-header h3 {
        font-size: 1.1rem;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .company-name {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .service-card,
    .about-card,
    .contact-card {
        padding: 24px;
    }
}

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

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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