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

:root {
    --primary-color: #0066ff;
    --secondary-color: #00ccff;
    --accent-color: #00ffcc;
    --dark-bg: #0a0a0a;
    --light-text: #ffffff;
    --gray-text: #a0a0a0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    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;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--light-text);
}

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

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transition: var(--transition);
}

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

/* 英雄区域 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    animation: gridMove 20s linear infinite;
}

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

.hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h2 .highlight {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--gray-text);
    margin-bottom: 30px;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.primary-btn {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 204, 255, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 204, 255, 0.5);
}

.secondary-btn {
    background: transparent;
    color: var(--light-text);
    border: 1px solid var(--secondary-color);
}

.secondary-btn:hover {
    background: rgba(0, 204, 255, 0.1);
    transform: translateY(-3px);
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-visual {
    position: relative;
    width: 400px;
    height: 400px;
}

.ai-brain {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 50px rgba(0, 204, 255, 0.5);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 50px rgba(0, 204, 255, 0.5); }
    50% { transform: translate(-50%, -50%) scale(1.05); box-shadow: 0 0 70px rgba(0, 204, 255, 0.7); }
    100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 50px rgba(0, 204, 255, 0.5); }
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent-color);
}

.particle:nth-child(1) {
    top: 20%;
    left: 30%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 1s;
}

.particle:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    top: 30%;
    right: 30%;
    animation-delay: 3s;
}

.particle:nth-child(5) {
    bottom: 20%;
    right: 40%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* 通用部分样式 */
.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

/* 功能展示 */
.features {
    padding: 100px 0;
    background-color: #0f0f0f;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 204, 255, 0.1);
    border-color: var(--secondary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(0, 204, 255, 0.2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-size: 24px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--light-text);
}

.feature-card p {
    color: var(--gray-text);
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    color: var(--gray-text);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

/* 案例研究 */
.cases {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

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

.case-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 204, 255, 0.1);
    border-color: var(--secondary-color);
}

.case-image {
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--light-text);
}

.case-content p {
    color: var(--gray-text);
    font-size: 14px;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background-color: #0f0f0f;
}

.about .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-content {
    flex: 1;
}

.about-content p {
    color: var(--gray-text);
    margin-bottom: 30px;
    font-size: 16px;
}

.about-features {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.about-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.about-feature svg {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.about-feature span {
    font-size: 14px;
    font-weight: 500;
    color: var(--light-text);
}

.about-visual {
    flex: 1;
}

.team-visual img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 255, 0.2);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
}

.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--gray-text);
}

.contact-item svg {
    color: var(--secondary-color);
    margin-right: 15px;
    width: 20px;
    height: 20px;
}

.contact-form {
    flex: 1;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.wechat-qr h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--light-text);
}

.qr-container {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.qr-code {
    width: 200px;
    height: 200px;
    border-radius: var(--border-radius);
    border: 3px solid var(--secondary-color);
    box-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
    transition: var(--transition);
}

.qr-code:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 204, 255, 0.5);
}

.qr-description {
    color: var(--gray-text);
    margin-bottom: 30px;
    font-size: 16px;
}

.contact-info-text {
    text-align: left;
    background: rgba(0, 102, 255, 0.1);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--secondary-color);
}

.contact-info-text p {
    color: var(--gray-text);
    margin-bottom: 10px;
    font-size: 14px;
}

.contact-info-text p:last-child {
    margin-bottom: 0;
}

/* 页脚 */
.footer {
    background-color: #0a0a0a;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--light-text);
}

.footer-logo p {
    color: var(--gray-text);
    font-size: 14px;
}

.footer-links h3,
.footer-social h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--light-text);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--gray-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-text);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--secondary-color);
    color: var(--light-text);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-text);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .about .container {
        flex-direction: column;
        text-align: center;
    }

    .contact-content {
        flex-direction: column;
    }

    .cta-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .feature-card,
    .case-card {
        padding: 30px;
    }

    .about-features {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }
}

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

::-webkit-scrollbar-track {
    background: #0a0a0a;
}

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

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