/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* 主色调定义 */
:root {
    --primary: #66ff99;
    --primary-dark: #33cc66;
    --dark: #121212;
    --dark-light: #1e1e1e;
    --gray: #888;
    --white: #fff;
}

body {
    background-color: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    z-index: 999;
    padding: 15px 0;
    border-bottom: 1px solid rgba(102, 255, 153, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary);
}

.logo i {
    color: var(--primary);
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 16px;
    transition: 0.3s;
}

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

.menu-btn {
    font-size: 24px;
    cursor: pointer;
    display: none;
}

/* 发光文字 */
.glow-text {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary);
}

/* 按钮 */
.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: 0.3s;
    display: inline-block;
    cursor: pointer;
    border: none;
    outline: none;
}

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

.btn.primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 0 15px var(--primary);
}

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

.btn.secondary:hover {
    background: var(--primary);
    color: var(--dark);
    box-shadow: 0 0 15px var(--primary);
}

/* 英雄区 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* AI科技感装饰 */
.hero-ai {
    position: relative;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-circle {
    width: 280px;
    height: 280px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: relative;
    animation: rotate 10s linear infinite;
}

.ai-grid {
    position: absolute;
    width: 200px;
    height: 200px;
    background-image: linear-gradient(var(--primary) 1px, transparent 1px),
                      linear-gradient(90deg, var(--primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 服务区域 */
.services {
    padding: 100px 0;
    background: var(--dark-light);
}

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

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--dark);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(102, 255, 153, 0.1);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(102, 255, 153, 0.2);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: rgba(102, 255, 153, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 30px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray);
}

/* 联系二维码 */
.contact {
    padding: 100px 0;
    background: var(--dark);
}

.contact-qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.qr-card {
    background: var(--dark-light);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(102, 255, 153, 0.2);
    transition: 0.3s;
    cursor: pointer;
}

.qr-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 0 25px rgba(102, 255, 153, 0.15);
}

.qr-img {
    width: 100%;
    max-width: 250px;
    margin: 0 auto 20px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid rgba(102, 255, 153, 0.3);
}

.qr-img img {
    width: 100%;
    height: auto;
    display: block;
}

.qr-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary);
}

.qr-card p {
    color: var(--gray);
    font-size: 14px;
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    max-height: 90%;
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    border: 3px solid var(--primary);
}

.close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--primary);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-btn:hover {
    color: var(--white);
    text-shadow: 0 0 10px var(--primary);
}

/* 关于页面 */
.about-hero {
    padding: 150px 0 80px;
    text-align: center;
}

.about-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.about-content {
    padding: 60px 0 100px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.about-text h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary);
}

.about-text p {
    color: var(--gray);
    margin-bottom: 15px;
    font-size: 16px;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.contact-info i {
    color: var(--primary);
    width: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-item i {
    font-size: 28px;
    color: var(--primary);
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.feature-item p {
    color: var(--gray);
}

.about-qr {
    margin-top: 20px;
    text-align: center;
}

/* 作品页面 */
.works-hero {
    padding: 150px 0 60px;
    text-align: center;
}

.works-list {
    padding: 40px 0 100px;
}

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

.work-card {
    background: var(--dark-light);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(102, 255, 153, 0.15);
    transition: 0.3s;
}

.work-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(102, 255, 153, 0.2);
}

.work-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.work-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-info {
    padding: 20px;
}

.work-info h3 {
    font-size: 19px;
    margin-bottom: 8px;
    color: var(--primary);
}

.work-info p {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 12px;
}

.work-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(102, 255, 153, 0.15);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
}

/* 在线咨询表单 */
.consult-section {
    padding: 80px 0;
    background: var(--dark-light);
}

.consult-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--dark);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(102, 255, 153, 0.2);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    background: #2a2a2a;
    border: 1px solid #444;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(102, 255, 153, 0.3);
}

.submit-btn {
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 16px;
}

/* 页脚 */
footer {
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid rgba(102, 255, 153, 0.1);
    margin-top: 50px;
}

footer p {
    color: var(--gray);
}

/* 响应式 */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }
    .menu-btn {
        display: block;
    }
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 {
        font-size: 36px;
    }
    .hero-buttons {
        justify-content: center;
    }
    .about-grid,
    .works-grid {
        grid-template-columns: 1fr;
    }
    .contact-qr-grid {
        grid-template-columns: 1fr;
    }
    .consult-form {
        padding: 25px;
    }
}