/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #f8fafc 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* 光晕效果 */
.glow-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
    will-change: transform, opacity;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -20px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 15px) scale(0.9);
    }
}

.glow-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, #0066FF, #8844FF);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.glow-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #8844FF, #CC00FF);
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.glow-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(45deg, #0066FF, #CC00FF);
    top: 40%;
    left: 70%;
    animation-delay: 4s;
}

/* 浮动动画定义 - 用于其他元素 */
@keyframes element-float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all 0.5s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header.scrolled .header-content {
    padding: 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    transition: padding 0.5s ease;
}

/* Logo样式 */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.logo-link:hover {
    text-decoration: none;
}

.logo-icon {
    height: 2rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: brightness(1);
}

.logo:hover .logo-icon {
    transform: rotate(15deg) scale(1.1);
    filter: brightness(1.2) drop-shadow(0 4px 12px rgba(102, 163, 255, 0.3));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0066FF, #8844FF, #CC00FF);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 导航菜单 */
.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #6b7280;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #6366f1;
    background: none;
}

.nav-link.active {
    color: #6366f1;
    background: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #6366f1;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: #374151;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero区域 - 左侧文字右侧图形布局 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
    position: relative;
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.95) 0%, rgba(241, 245, 249, 0.98) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text-side {
    text-align: left;
}

.hero-graphic-side {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 代码样机样式 */
.code-machine {
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 320px;
    transition: transform 0.3s ease;
}

.code-machine:hover {
    transform: translateY(-5px);
}

.machine-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.machine-title {
    color: #d1d5db;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Monaco', 'Menlo', monospace;
}

.machine-body {
    padding: 1.5rem;
}

.code-content {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #e5e7eb;
}

.code-line {
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
    min-height: 1.2em;
}







/* 科技品牌样式 */
.tech-brand {
    margin-bottom: 2rem;
}

.brand-main {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 0.75rem;
}

.brand-sub {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
}

/* 主标题样式 */
.hero-main-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-gradient {
    display: block;
    background: linear-gradient(135deg, #0066FF 0%, #8844FF 50%, #CC00FF 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-main-description {
    font-size: 1.125rem;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

/* 科技特性样式 */
.tech-features {
    display: flex;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1rem;
}

.feature-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #6366f1;
}

/* 实时数据流可视化 */
.realtime-dataflow {
    perspective: 1000px;
    position: relative;
}

.dataflow-container {
    position: relative;
    width: 400px;
    height: 300px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    justify-content: center;
}

.data-node {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1rem;
    padding: 1rem 1.5rem;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(99, 102, 241, 0.1);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    width: 220px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: nodeFloat 3s ease-in-out infinite;
    will-change: transform;
}

.data-node.main-node {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    animation: mainNodeFloat 3s ease-in-out infinite;
    will-change: transform;
}

.data-node:nth-child(1) { animation-delay: 0s; }
.data-node:nth-child(2) { animation-delay: 0.3s; }
.data-node:nth-child(3) { animation-delay: 0.6s; }

.data-node:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 0 0 2px rgba(99, 102, 241, 0.2);
}

@keyframes nodeFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes mainNodeFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-10px) scale(1.05);
    }
}

.node-icon {
    width: 24px;
    height: 24px;
    color: #6366f1;
    flex-shrink: 0;
}

.node-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #1f2937;
    white-space: nowrap;
}

.data-stream {
    position: absolute;
    top: 50%;
    left: 100%;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(99, 102, 241, 0.8),
        rgba(99, 102, 241, 0.4),
        transparent);
    animation: dataFlow 2s ease-in-out infinite;
    will-change: transform, opacity;
}

.data-stream.reverse {
    left: auto;
    right: 100%;
    background: linear-gradient(90deg, 
        transparent,
        rgba(99, 102, 241, 0.4),
        rgba(99, 102, 241, 0.8));
    animation: dataFlowReverse 2s ease-in-out infinite;
    will-change: transform, opacity;
}

@keyframes dataFlow {
    0% {
        opacity: 0;
        transform: translateX(0) scaleX(0);
    }
    50% {
        opacity: 1;
        transform: translateX(20px) scaleX(1);
    }
    100% {
        opacity: 0;
        transform: translateX(40px) scaleX(0);
    }
}

@keyframes dataFlowReverse {
    0% {
        opacity: 0;
        transform: translateX(0) scaleX(0);
    }
    50% {
        opacity: 1;
        transform: translateX(-20px) scaleX(1);
    }
    100% {
        opacity: 0;
        transform: translateX(-40px) scaleX(0);
    }
}

.online-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.online-stats .stat {
    text-align: center;
    padding: 0.5rem;
}

.online-stats .stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: #6366f1;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}

.online-stats .stat-label {
    font-size: 0.75rem;
    color: #6b7280;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dataflow-container {
        width: 300px;
        height: 250px;
        gap: 1.5rem;
    }
    
    .data-node {
        width: 200px;
        padding: 0.75rem 1rem;
    }
    
    .online-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .online-stats .stat-value {
        font-size: 1rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .docs-container {
        width: 300px;
        height: 250px;
    }
    
    .doc-file {
        width: 240px;
    }
    
    .docs-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .docs-stats .stat-value {
        font-size: 1.1rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .network-canvas {
        width: 300px;
        height: 250px;
        transform: none;
    }
    
    .neural-network:hover .network-canvas {
        transform: scale(1.05);
    }
    
    .network-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .code-window {
        max-width: 300px;
        transform: none;
    }
    
    .code-window:hover {
        transform: scale(1.05);
    }
}

.hero-badge {
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.badge-text {
    background: linear-gradient(135deg, #0066FF, #8844FF);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #1f2937 0%, #6366f1 50%, #8b5cf6 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    border: 2px solid transparent;
    will-change: transform;
}

.btn-primary {
    background: linear-gradient(135deg, #0066FF, #8844FF);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #6366f1;
    border-color: #6366f1;
}

.btn-secondary:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-2px);
}

/* 统计数据 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.stat-item {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 章节通用样式 */
.section {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #0066FF, #8844FF, #CC00FF);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-description {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* 项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #0066FF, #8844FF);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.project-description {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 技能网格 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.skill-icon {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #0066FF, #8844FF);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
}

.skill-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.skill-items {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* 背景色 */
.bg-gray {
    background: rgba(249, 250, 251, 0.8);
    backdrop-filter: blur(20px);
}

/* 页脚样式已在科技感页尾部分定义，此处无需重复 */

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .header-content {
        padding: 0.75rem 0;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat-item {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .project-card {
        padding: 2rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .beian-info {
        flex-direction: column;
        gap: 0.5rem;
    }

    .divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .project-card {
        padding: 1.5rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
        color: #f8fafc;
    }

    .header {
        background: rgba(15, 23, 42, 0.95);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        color: #94a3b8;
    }

    .nav-link:hover,
    .nav-link.active {
        color: #6366f1;
        background: rgba(99, 102, 241, 0.2);
    }

    .hero-subtitle {
        color: #94a3b8;
    }

    .stat-item,
    .project-card,
    .skill-category {
        background: rgba(15, 23, 42, 0.8);
        border-color: rgba(255, 255, 255, 0.1);
        color: #f8fafc;
    }

    .project-title {
        color: #f8fafc;
    }

    .project-description {
        color: #94a3b8;
    }

    /* 页尾样式已在主样式定义，此处无需重复 */
}

/* 简洁现代页尾样式 */
.footer {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 2rem 0 1.5rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.copyright {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.copyright-text {
    color: #374151;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.rights-text {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 400;
}

.beian-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.beian-item {
    background: #f9fafb;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 400;
    white-space: nowrap;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.beian-item:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
    color: #4b5563;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* 备案图标样式 */
.beian-icon {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
}

.beian-item:hover .beian-icon {
    transform: scale(1.1);
}

.divider {
    color: rgba(99, 102, 241, 0.6);
    font-weight: 400;
    font-size: 1.1rem;
    margin: 0 0.5rem;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

.tech-grid {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        #0066FF, 
        #8844FF, 
        #CC00FF, 
        transparent);
    opacity: 0.8;
    filter: drop-shadow(0 0 8px rgba(0, 102, 255, 0.4));
}

/* 快捷链接样式 */
.quick-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    justify-content: center;
}

.quick-link {
    color: #6b7280;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.quick-link:hover {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

/* 简洁分隔符样式 */
.divider {
    color: #d1d5db;
    font-weight: 300;
    font-size: 0.9rem;
    margin: 0 0.25rem;
}

/* 备案图标样式 */
.beian-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    vertical-align: middle;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1.5rem;
    }
    
    .beian-info {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .tech-divider-small {
        display: none;
    }
    
    .beian-item {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 极1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ERP管理系统样机样式 */
.erp-mockup {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-top: 1.5rem;
    backdrop-filter: blur(10px);
}

.erp-header {
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.erp-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
    background: linear-gradient(135deg, #0066FF, #8844FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.erp-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.erp-module {
    text-align: center;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #f1f5f9;
    transition: all 0.3s ease;
}

.erp-module:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    border-color: #6366f1;
}

.module-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.module-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    display: block;
}