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

/* CSS变量 - 奥义机器人配色和字体 */
:root {
    --quantum-blue: #00D9FF;
    --quantum-purple: #8B00FF;
    --quantum-green: #00FF88;
    --neon-pink: #FF006E;
    --cyber-orange: #FF6B00;
    --text-primary: #FFFFFF;
    --text-secondary: #B0BEC5;
    --text-accent: #00D9FF;

    /* 字体变量 */
    --font-primary: 'Roboto', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', 'Noto Sans SC', sans-serif;
    --font-brand: 'Roboto', 'Noto Sans SC', sans-serif;
    --bg-primary: #0A0E27;
    --bg-secondary: #151934;
    --bg-card: #1A1F3A;
    --border-glow: #00D9FF;
    --border-cyber: #8B00FF;
    --gradient-quantum: linear-gradient(135deg, #00D9FF, #8B00FF, #00FF88);
    --gradient-cyber: linear-gradient(135deg, #FF006E, #FF6B00, #FFD700);
}

/* 字体 */
body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    /* cursor: none; - 注释掉以显示默认光标 */
}

/* 粒子背景 */
.particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.6;
}

/* 网格背景 */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 0.3;
    pointer-events: none;
}

.grid-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--text-secondary) 1px, transparent 1px),
        linear-gradient(90deg, var(--text-secondary) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* 自定义光标 */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 2px solid var(--quantum-blue);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
    transition: all 0.1s ease;
}

.custom-cursor.hover {
    transform: translate(-50%, -50%) scale(1.5);
    border-color: var(--quantum-purple);
}

/* 高级导航栏 */
.tech-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 217, 255, 0.3);
}

.navbar {
    padding: 0 24px;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* 量子Logo */
.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quantum-logo {
    position: relative;
    width: 60px;
    height: 60px;
}

.core-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    animation: corePulse 3s infinite ease-in-out;
}

.ring-outer {
    width: 60px;
    height: 60px;
    border-color: var(--quantum-blue);
    animation-delay: 0s;
}

.ring-middle {
    width: 45px;
    height: 45px;
    top: 7.5px;
    left: 7.5px;
    border-color: var(--quantum-purple);
    animation-delay: 0.5s;
}

.ring-inner {
    width: 30px;
    height: 30px;
    top: 15px;
    left: 15px;
    border-color: var(--quantum-green);
    animation-delay: 1s;
}

.core-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: var(--quantum-blue);
    border-radius: 50%;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--bg-primary);
}

@keyframes corePulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        box-shadow: 0 0 20px currentColor;
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
        box-shadow: 0 0 40px currentColor;
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-brand);
    font-size: 24px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.brand-sub {
    font-family: var(--font-brand);
    font-size: 12px;
    color: var(--quantum-blue);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-left: 2px;
}

.brand-cn {
    display: block;
    font-family: var(--font-primary);
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 2px;
    opacity: 0.8;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    gap: 48px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--quantum-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--quantum-blue);
}

.nav-link:hover {
    color: var(--quantum-blue);
    text-shadow: 0 0 20px var(--quantum-blue);
}

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

/* 炫酷按钮 */
.cyber-btn {
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.cyber-btn.primary {
    background: linear-gradient(135deg, var(--quantum-blue), var(--quantum-purple));
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
}

.cyber-btn.primary.small {
    padding: 12px 24px;
    font-size: 12px;
}

.cyber-btn.primary.large {
    padding: 16px 32px;
    font-size: 16px;
}

.cyber-btn.primary.xlarge {
    padding: 20px 40px;
    font-size: 18px;
}

.cyber-btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.cyber-btn.primary:hover::before {
    left: 100%;
}

.cyber-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.4);
}

.cyber-btn.secondary {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
}

.cyber-btn.secondary.small {
    padding: 10px 24px;
    font-size: 12px;
}

.cyber-btn.secondary.large {
    padding: 14px 32px;
    font-size: 16px;
}

.cyber-btn.secondary.xlarge {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--quantum-blue);
    border-radius: 4px;
    box-shadow: 0 0 20px var(--quantum-blue);
    transition: all 0.3s ease;
}

.cyber-btn.secondary:hover .btn-border {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--quantum-blue);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--quantum-blue);
    border-radius: 4px;
    opacity: 0;
    filter: blur(20px);
    transition: all 0.3s ease;
}

.cyber-btn:hover .btn-glow {
    opacity: 0.3;
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* 徽章 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 32px;
}

.badge-icon {
    font-size: 18px;
}

.badge-text {
    color: var(--quantum-blue);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 炫酷标题 */
.hero-title {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.title-line {
    display: flex;
    justify-content: flex-start;
}

.glitch-text {
    font-family: var(--font-brand);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    text-transform: uppercase;
    position: relative;
    color: var(--text-primary);
    letter-spacing: 2px;
    animation: glitch 2s infinite;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitch-1 0.5s infinite;
    color: var(--quantum-blue);
    z-index: -1;
}

.glitch-text::after {
    animation: glitch-2 0.5s infinite;
    color: var(--quantum-purple);
    z-index: -2;
}

@keyframes glitch {
    0%, 100% { text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); }
    25% { text-shadow: -2px 0 var(--quantum-blue), 2px 0 var(--quantum-purple); }
    50% { text-shadow: 2px 0 var(--quantum-purple), -2px 0 var(--quantum-blue); }
    75% { text-shadow: 0 0 30px rgba(255, 255, 255, 0.8); }
}

@keyframes glitch-1 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    25% { clip-path: inset(20% 0 30% 0); transform: translate(-2px, 2px); }
    50% { clip-path: inset(50% 0 20% 0); transform: translate(2px, -2px); }
    75% { clip-path: inset(10% 0 60% 0); transform: translate(-1px, 1px); }
}

@keyframes glitch-2 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    25% { clip-path: inset(60% 0 10% 0); transform: translate(2px, -1px); }
    50% { clip-path: inset(20% 0 50% 0); transform: translate(-2px, 1px); }
    75% { clip-path: inset(30% 0 40% 0); transform: translate(1px, -2px); }
}

/* 描述文本 */
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 500px;
}

/* 统计数据 */
.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 48px;
}

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

.stat-value {
    display: block;
    font-family: var(--font-brand);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--quantum-blue);
    margin-bottom: 8px;
    text-shadow: 0 0 20px currentColor;
}

.stat-value.quantum {
    color: var(--quantum-blue);
}

.stat-value.ai {
    color: var(--quantum-purple);
}

.stat-value.projects {
    color: var(--quantum-green);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 8px;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--quantum-blue), var(--quantum-purple));
    border-radius: 2px;
    transition: all 1s ease;
}

/* 英雄按钮 */
.hero-actions {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

/* 英雄视觉 */
.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 量子立方体 */
.quantum-cube {
    width: 200px;
    height: 200px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 20s infinite linear;
}

.cube-face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(0, 217, 255, 0.1);
    border: 2px solid var(--quantum-blue);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--quantum-blue);
}

.face-front { transform: rotateY(0deg) translateZ(100px); }
.face-back { transform: rotateY(180deg) translateZ(100px); }
.face-left { transform: rotateY(-90deg) translateZ(100px); }
.face-right { transform: rotateY(90deg) translateZ(100px); }
.face-top { transform: rotateX(90deg) translateZ(100px); }
.face-bottom { transform: rotateX(-90deg) translateZ(100px); }

@keyframes cubeRotate {
    0% { transform: rotateX(0) rotateY(0); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

/* 数据流 */
.data-streams {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.data-stream {
    position: absolute;
    border-radius: 50%;
}

.stream-1 {
    width: 150px;
    height: 150px;
    top: -50px;
    right: -50px;
    background: radial-gradient(circle, var(--quantum-blue), transparent);
    animation: streamPulse 3s infinite ease-in-out;
}

.stream-2 {
    width: 100px;
    height: 100px;
    bottom: -30px;
    left: -30px;
    background: radial-gradient(circle, var(--quantum-purple), transparent);
    animation: streamPulse 4s infinite ease-in-out 1.5s;
}

.stream-3 {
    width: 80px;
    height: 80px;
    top: 50%;
    left: -40px;
    background: radial-gradient(circle, var(--quantum-green), transparent);
    animation: streamPulse 5s infinite ease-in-out 3s;
}

@keyframes streamPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2);
    }
}

/* 浮动技术节点 */
.floating-tech {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.tech-node {
    position: absolute;
    background: rgba(26, 31, 58, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--quantum-blue);
    border-radius: 20px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: nodeFloat 8s infinite ease-in-out;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.node-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.node-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.node-3 {
    bottom: 30%;
    left: 25%;
    animation-delay: 4s;
}

.node-4 {
    top: 10%;
    right: 30%;
    animation-delay: 6s;
}

.tech-icon {
    font-size: 20px;
}

.tech-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--quantum-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@keyframes nodeFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
    }
    50% {
        transform: translateY(10px) rotate(-5deg);
    }
    75% {
        transform: translateY(-10px) rotate(3deg);
    }
}

/* 解决方案区域 */
.solutions {
    padding: 120px 24px;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-brand);
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

.title-prefix,
.title-suffix {
    color: var(--quantum-blue);
    font-size: 2.5rem;
}

.title-main {
    background: var(--gradient-quantum);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 解决方案网格 */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 解决方案卡片 */
.solution-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.solution-card:hover {
    transform: translateY(-10px);
    border-color: var(--quantum-blue);
    box-shadow: 0 20px 60px rgba(0, 217, 255, 0.3);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-quantum);
    animation: scanLine 3s linear infinite;
}

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

/* 卡片头部 */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-icon-container {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon {
    font-size: 32px;
    z-index: 2;
    position: relative;
}

.icon-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-quantum);
    border-radius: 50%;
    opacity: 0.2;
    animation: iconPulse 3s infinite ease-in-out;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.4;
    }
}

.card-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: statusPulse 2s infinite ease-in-out;
}

.status-dot.online {
    background: var(--quantum-green);
    box-shadow: 0 0 10px var(--quantum-green);
}

.status-dot.testing {
    background: var(--cyber-orange);
    box-shadow: 0 0 10px var(--cyber-orange);
}

.status-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 卡片内容 */
.card-content {
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* 卡片指标 */
.card-metrics {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

.metric {
    text-align: center;
}

.metric-value {
    font-family: var(--font-brand);
    font-size: 2rem;
    font-weight: 900;
    color: var(--quantum-blue);
    text-shadow: 0 0 20px currentColor;
    margin-bottom: 4px;
}

.metric-unit {
    font-size: 14px;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* 卡片进度 */
.card-progress {
    margin-bottom: 24px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.quantum-fill {
    background: linear-gradient(90deg, var(--quantum-blue), var(--quantum-purple));
    animation: progressFlow 3s infinite ease-in-out;
}

.ai-fill {
    background: linear-gradient(90deg, var(--quantum-purple), var(--neon-pink));
    animation: progressFlow 3s infinite ease-in-out 1.5s;
}

.bio-fill {
    background: linear-gradient(90deg, var(--quantum-green), var(--cyber-orange));
    animation: progressFlow 3s infinite ease-in-out 3s;
}

@keyframes progressFlow {
    0% { width: 0; }
    50% { width: var(--width, 0%); }
    100% { width: var(--width, 100%); }
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-align: center;
}

/* 卡片特性 */
.card-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--quantum-green);
    font-weight: 700;
}

/* 卡片按钮 */
.card-btn {
    width: 100%;
    padding: 16px 24px;
    border: 2px solid var(--quantum-blue);
    background: transparent;
    color: var(--quantum-blue);
    font-weight: 600;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.card-btn:hover {
    background: var(--quantum-blue);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

/* CTA区域 */
.cta-section {
    padding: 120px 24px;
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-card) 100%);
}

.cta-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.cta-visual {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--quantum-blue);
    border-radius: 50%;
    animation: particleFloat 10s infinite linear;
}

.cta-particles .particle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.cta-particles .particle:nth-child(2) { top: 60%; right: 15%; animation-delay: 2s; }
.cta-particles .particle:nth-child(3) { bottom: 30%; left: 25%; animation-delay: 4s; }
.cta-particles .particle:nth-child(4) { top: 10%; right: 40%; animation-delay: 6s; }
.cta-particles .particle:nth-child(5) { bottom: 20%; right: 60%; animation-delay: 8s; }

@keyframes particleFloat {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-200px) scale(0);
        opacity: 0;
    }
}

.cta-text {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-brand);
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero-visual {
        height: 400px;
    }

    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    .nav-menu {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }

    .quantum-cube {
        width: 150px;
        height: 150px;
    }

    .cube-face {
        width: 150px;
        height: 150px;
        font-size: 14px;
    }

    .face-front { transform: rotateY(0deg) translateZ(75px); }
    .face-back { transform: rotateY(180deg) translateZ(75px); }
    .face-left { transform: rotateY(-90deg) translateZ(75px); }
    .face-right { transform: rotateY(90deg) translateZ(75px); }
    .face-top { transform: rotateX(90deg) translateZ(75px); }
    .face-bottom { transform: rotateX(-90deg) translateZ(75px); }

    .card-metrics {
        flex-direction: column;
        gap: 16px;
    }

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

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

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选择文本样式 */
::selection {
    background: var(--quantum-blue);
    color: var(--bg-primary);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

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

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

/* 成功案例样式 */
.projects {
    padding: 120px 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.projects-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--quantum-blue);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.1);
}

.project-visual {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--quantum-blue), var(--quantum-purple));
    overflow: hidden;
}

.project-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}


.project-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    height: 280px; /* 固定高度确保对齐 */
}

.project-title {
    margin-bottom: 15px;
}

.project-description {
    margin-bottom: auto; /* 自动分配剩余空间 */
    flex-grow: 1;
}

.project-title {
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--quantum-blue);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.project-features-grid {
    margin-bottom: 25px;
}

.project-features-grid h4 {
    color: var(--quantum-blue);
    margin-bottom: 15px;
    font-family: var(--font-brand);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.features-list .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.features-list .feature-item:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: rgba(0, 255, 255, 0.4);
    transform: translateX(5px);
}

.features-list .feature-icon {
    color: var(--quantum-green);
    font-size: 16px;
    flex-shrink: 0;
}

.features-list .feature-text {
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.4;
}

.project-btn {
    width: 100%;
    padding: 14px 24px;
    background: transparent;
    border: 2px solid var(--quantum-blue);
    color: var(--quantum-blue);
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin-top: auto; /* 确保按钮始终在底部 */
}

.project-btn:hover {
    background: var(--quantum-blue);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.2);
}

/* 项目数据点效果 */
.project-data-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    height: 100%;
}

.data-point {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: dataPulse 2s infinite ease-in-out;
}

.data-point:nth-child(2) { animation-delay: 0.5s; }
.data-point:nth-child(3) { animation-delay: 1s; }
.data-point:nth-child(4) { animation-delay: 1.5s; }

@keyframes dataPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.5); opacity: 1; }
}

/* 电路效果 */
.project-circuit {
    width: 100%;
    height: 100%;
    position: relative;
}

.circuit-line {
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 1px;
}

.circuit-line:nth-child(1) {
    width: 60%;
    height: 2px;
    top: 30%;
    left: 20%;
    animation: circuitGlow 3s infinite;
}

.circuit-line:nth-child(2) {
    width: 2px;
    height: 40%;
    top: 30%;
    left: 20%;
    animation: circuitGlow 3s infinite 1s;
}

.circuit-line:nth-child(3) {
    width: 60%;
    height: 2px;
    top: 70%;
    left: 20%;
    animation: circuitGlow 3s infinite 2s;
}

@keyframes circuitGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(255, 255, 255, 0.6); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 255, 0.8); }
}

/* 网络节点效果 */
.project-nodes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    width: 80%;
    height: 80%;
    position: relative;
}

.network-node {
    width: 12px;
    height: 12px;
    background: var(--quantum-blue);
    border-radius: 50%;
    position: relative;
    animation: nodePulse 2s infinite ease-in-out;
}

.network-node:nth-child(2) { animation-delay: 0.5s; }
.network-node:nth-child(3) { animation-delay: 1s; }
.network-node:nth-child(4) { animation-delay: 1.5s; }

.network-node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border: 2px solid var(--quantum-blue);
    border-radius: 50%;
    animation: nodeRipple 3s infinite ease-out;
}

/* 项目Logo容器 */
.project-logo-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Logo背景层 */
.logo-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg,
        rgba(0, 217, 255, 0.1) 0%,
        rgba(139, 0, 255, 0.1) 50%,
        rgba(0, 255, 136, 0.1) 100%
    );
    border-radius: 20px;
    border: 2px solid rgba(0, 217, 255, 0.3);
    backdrop-filter: blur(10px);
    z-index: 1;
    animation: backgroundPulse 3s infinite ease-in-out;
}

.project-logo {
    max-width: 75%;
    max-height: 75%;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.4));
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 8px;
}

.project-card:hover .project-logo {
    filter: drop-shadow(0 0 25px rgba(0, 255, 255, 0.7));
    transform: scale(1.05);
    background: rgba(255, 255, 255, 1);
}

.project-card:hover .logo-background {
    border-color: rgba(0, 217, 255, 0.6);
    background: linear-gradient(135deg,
        rgba(0, 217, 255, 0.2) 0%,
        rgba(139, 0, 255, 0.2) 50%,
        rgba(0, 255, 136, 0.2) 100%
    );
}



/* 背景脉动动画 */
@keyframes backgroundPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 1;
    }
}

/* Logo响应式设计 */
@media (max-width: 768px) {
    .project-logo-container {
        padding: 15px;
    }

    .logo-background {
        width: 100px;
        height: 100px;
        border-radius: 15px;
    }

    .project-logo {
        max-width: 85%;
        max-height: 85%;
        padding: 6px;
        border-radius: 10px;
    }

    .project-card:hover .project-logo {
        transform: scale(1.02);
    }
}

@keyframes nodePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 10px rgba(0, 255, 255, 0.5); }
    50% { transform: scale(1.2); box-shadow: 0 0 25px rgba(0, 255, 255, 0.8); }
}

@keyframes nodeRipple {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
    }

    .projects-showcase {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
        padding: 0 15px;
    }

    .project-achievements {
        flex-direction: column;
        gap: 20px;
    }

    .achievement-value {
        font-size: 1.5rem;
    }

    .project-title {
        font-size: 1.3rem;
    }
}

/* 动画和过渡效果 */
.fade-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* 确保解决方案和成功案例始终可见 */
.solution-card,
.project-card {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
}

/* 兼容JavaScript的fade-in类 */
.solution-card.fade-in,
.project-card.fade-in,
.tech-node.fade-in {
    opacity: 1;
    transform: translateY(0);
}

@keyframes simpleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer样式 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(100, 255, 218, 0.2);
    padding: 60px 0 20px;
    margin-top: 120px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-logo .brand-name {
    font-family: var(--font-brand);
    font-size: 24px;
    font-weight: 700;
    color: var(--quantum-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-logo .brand-sub {
    font-family: var(--font-brand);
    font-size: 14px;
    color: var(--quantum-blue);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-left: 2px;
}

.footer-logo .brand-cn {
    font-family: var(--font-primary);
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.footer-description {
    font-family: var(--font-primary);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 400px;
}

.footer-info {
    flex: 0 0 auto;
}

.footer-section h4 {
    font-family: var(--font-brand);
    font-size: 16px;
    font-weight: 600;
    color: var(--quantum-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section li {
    font-family: var(--font-primary);
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-section li:hover {
    color: var(--quantum-blue);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 20px 0;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-family: var(--font-primary);
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.7;
}


/* 响应式Footer */
@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
        margin-top: 80px;
    }

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

    .footer-info {
        flex-direction: column;
        gap: 40px;
    }

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

    .footer-description {
        text-align: center;
        max-width: 100%;
    }
}