/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00f0ff;
    --secondary-color: #7b2cbf;
    --accent-color: #ff006e;
    --dark-bg: #0a0e27;
    --darker-bg: #050819;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --gradient-1: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 100%);
    --gradient-2: linear-gradient(135deg, #7b2cbf 0%, #ff006e 100%);
    --glow: 0 0 20px rgba(0, 240, 255, 0.3);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    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;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.98);
    box-shadow: 0 2px 20px rgba(0, 240, 255, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.8rem;
    text-shadow: var(--glow);
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 70px;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 30px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    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-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.title-line.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
    border: none;
    box-shadow: var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(0, 240, 255, 0.1);
    transform: translateY(-2px);
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

.hero-stats {
    display: flex;
    gap: 50px;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
}

.tech-circle {
    position: absolute;
    border: 2px solid rgba(0, 240, 255, 0.2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.circle-2 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-direction: reverse;
    animation-duration: 25s;
}

.circle-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 30s;
}

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

.floating-elements {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.float-item {
    position: absolute;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 12px;
    font-weight: 700;
    color: var(--primary-color);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* 通用区块样式 */
section {
    padding: 100px 0;
    position: relative;
}

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

.section-header.left {
    text-align: left;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 服务板块 */
.services {
    background: var(--darker-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 20px;
    padding: 35px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

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

.service-card:hover::before {
    opacity: 0.05;
}

.service-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    background: var(--accent-color);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.card-icon svg {
    width: 32px;
    height: 32px;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

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

.card-features {
    list-style: none;
    margin-bottom: 25px;
}

.card-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.card-features li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 0.6rem;
    top: 12px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.card-link svg {
    width: 18px;
    height: 18px;
}

/* 解决方案板块 */
.solutions {
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.solutions-wrapper {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.solution-item.reverse {
    direction: rtl;
}

.solution-item.reverse > * {
    direction: ltr;
}

.solution-content {
    padding: 20px;
}

.solution-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 16px;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.solution-icon svg {
    width: 36px;
    height: 36px;
}

.solution-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.solution-desc {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.8;
}

.solution-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.solution-features li {
    padding: 8px 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.solution-visual {
    height: 300px;
    position: relative;
}

.tech-grid {
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(rgba(0, 240, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    border-radius: 20px;
    border: 1px solid rgba(0, 240, 255, 0.2);
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 30px 30px;
    }
}

/* 经典示例板块 */
.examples {
    background: var(--darker-bg);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.example-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 20px;
    padding: 35px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

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

.example-card:hover::before {
    opacity: 0.05;
}

.example-header {
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.example-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.example-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.example-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* 团队与人才板块 */
.team {
    background: var(--dark-bg);
}

.team-content {
    max-width: 900px;
    margin: 0 auto;
}

.team-intro {
    margin-bottom: 40px;
}

.team-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.team-values {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
}

/* 关于我们板块 */
.about {
    background: var(--dark-bg);
}

.about-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.intro-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 战略定位 */
.strategy-section {
    margin-top: 60px;
}

.subsection-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.strategy-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 20px;
    padding: 35px;
    transition: var(--transition);
}

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

.strategy-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.strategy-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 500;
}

.value-icon {
    color: var(--primary-color);
}

/* 联系我们板块 */
.contact {
    background: var(--darker-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 12px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
}

.info-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.info-content p {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2300f0ff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 10px;
}

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

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

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

/* 页脚 */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-desc {
    color: var(--text-secondary);
    margin-top: 15px;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

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

.footer-column ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
}

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

.beian a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .solution-item,
    .solution-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .about-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}