/* 全局样式 - 科技感未来风 */
:root {
    --primary-color: #00f5ff;
    --secondary-color: #7b2fff;
    --accent-color: #ff00e5;
    --bg-dark: #0a0a1a;
    --bg-card: #12122a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --gradient-1: linear-gradient(135deg, #00f5ff 0%, #7b2fff 100%);
    --gradient-2: linear-gradient(135deg, #7b2fff 0%, #ff00e5 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
    transition: all 0.3s;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

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

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
    font-size: 0.95rem;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s;
}

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

/* Hero 区域 - 突出核心能力 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(123, 47, 255, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 245, 255, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(255, 0, 229, 0.15) 0%, transparent 50%);
    animation: bgPulse 10s ease-in-out infinite;
}

/* 科技网格背景 */
.tech-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 245, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 245, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

/* 浮动粒子 */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 245, 255, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 50% 70%, rgba(123, 47, 255, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 80% 40%, rgba(255, 0, 229, 0.5) 1px, transparent 1px);
    background-size: 200px 200px, 300px 300px, 250px 250px;
    animation: particlesFloat 15s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes particlesFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px;
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite;
    font-weight: 700;
    letter-spacing: -1px;
}

@keyframes glow {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 40px rgba(0, 245, 255, 0.8)); }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 核心能力标签 */
.hero-capabilities {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.capability-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(0, 245, 255, 0.1);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.capability-tag:hover {
    background: rgba(0, 245, 255, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 245, 255, 0.3);
}

.tag-icon {
    font-size: 1.2rem;
}

/* Hero 操作按钮 */
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 滚动提示 */
.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;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 13px;
    position: relative;
}

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

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0; top: 16px; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* 核心能力 Section */
.capabilities {
    background: var(--bg-card);
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 60px;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.capability-card {
    background: var(--bg-dark);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(123, 47, 255, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.capability-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(123, 47, 255, 0.3);
}

.capability-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.capability-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.capability-card > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.capability-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.capability-features li {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 产品中心 */
.products {
    background: var(--bg-dark);
    padding: 100px 0;
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(123, 47, 255, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.product-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 0 40px rgba(0, 245, 255, 0.15);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-2);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(123, 47, 255, 0.3);
}

.product-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.product-slogan {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 1rem;
}

.product-desc {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 解决方案 */
.solutions {
    background: var(--bg-card);
    padding: 100px 0;
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    background: transparent;
    border: 2px solid rgba(123, 47, 255, 0.3);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

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

.tab-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: var(--bg-dark);
    font-weight: bold;
}

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

.solution-panel {
    display: none;
    background: var(--bg-dark);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(0, 245, 255, 0.1);
    animation: fadeIn 0.3s ease-out;
}

.solution-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.solution-header {
    margin-bottom: 30px;
}

.solution-header h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.solution-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.feature-icon {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 典型案例 */
.cases {
    background: var(--bg-dark);
    padding: 100px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.case-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(123, 47, 255, 0.2);
    transition: all 0.3s;
}

.case-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(123, 47, 255, 0.3);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, rgba(123, 47, 255, 0.2) 0%, rgba(0, 245, 255, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder {
    font-size: 5rem;
    opacity: 0.8;
}

.case-content {
    padding: 30px;
}

.case-content h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.case-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.case-tag {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0, 245, 255, 0.1);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* 联系我们 */
.contact {
    background: var(--bg-card);
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

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

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

.info-icon {
    font-size: 2rem;
}

.info-item h4 {
    margin-bottom: 5px;
    color: var(--primary-color);
    font-size: 1.1rem;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    border: 1px solid rgba(123, 47, 255, 0.3);
    border-radius: 10px;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    resize: vertical;
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    padding: 50px 0 30px;
    border-top: 1px solid rgba(123, 47, 255, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-slogan {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 1rem;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-right {
    display: flex;
    gap: 30px;
}

.footer-right a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--bg-dark);
    box-shadow: 0 5px 30px rgba(0, 245, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 245, 255, 0.6);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

/* 通用 Section */
section {
    padding: 100px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-capabilities {
        gap: 10px;
    }

    .capability-tag {
        padding: 8px 15px;
        font-size: 0.85rem;
    }

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

    .section-title {
        font-size: 1.8rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .capabilities-grid,
    .products-showcase,
    .cases-grid {
        grid-template-columns: 1fr;
    }

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

    .solution-features {
        grid-template-columns: 1fr;
    }

    .capability-features {
        grid-template-columns: 1fr;
    }
}

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

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