/* 项目展示页面样式 */
.projects-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.header-line {
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    margin: 0 auto;
    border-radius: 2px;
}

/* 项目网格 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 0 auto;
    padding: 0 1rem;
    max-width: 1200px;
}

.project-card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,107,0,0.2);
    border-color: var(--primary-color);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.project-content {
    padding: 1.5rem;
}

.project-card h3 {
    color: var(--text-color);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    text-align: center;
}

.project-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.project-tags span {
    background: rgba(255,107,0,0.1);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-color);
}

.project-tags span:hover {
    background: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-2px);
}

/* 视频部分样式 */
.video-section {
    margin-top: 1.5rem;
}

.demo-btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    color: var(--text-color);
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-btn i {
    margin-right: 8px;
}

.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,107,0,0.3);
}

.video-wrapper {
    margin-top: 1rem;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.video-wrapper video {
    width: 100%;
    display: block;
    border-radius: 10px;
    background: #000;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .demo-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        max-height: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0;
        flex-direction: column;
        align-items: center;
        gap: 0;
        z-index: 1000;
        border-bottom: 1px solid var(--border-color);
        overflow: hidden;
        transition: all 0.3s ease-in-out;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        max-height: 400px;
        padding: 1rem;
        opacity: 1;
        visibility: visible;
        gap: 1rem;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        transform: translateY(-20px);
        opacity: 0;
        transition: all 0.3s ease-in-out;
        margin: 0;
        padding: 0;
    }

    .nav-links.active li {
        transform: translateY(0);
        opacity: 1;
        margin: 0.3rem 0;
    }

    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.15s; }
    .nav-links li:nth-child(3) { transition-delay: 0.2s; }
    .nav-links li:nth-child(4) { transition-delay: 0.25s; }
    .nav-links li:nth-child(5) { transition-delay: 0.3s; }

    .nav-links:not(.active) li {
        transition-delay: 0s;
        transform: translateY(-10px);
        opacity: 0;
    }

    .nav-links a {
        padding: 0.8rem;
        width: 100%;
        display: block;
        transform: translateY(0);
        transition: transform 0.3s ease;
    }

    .nav-links a:hover {
        transform: translateY(-2px);
    }

    .order-btn {
        width: 100%;
        margin-top: 0.5rem;
    }

    .order-btn a {
        width: 100%;
        display: block;
        text-align: center;
    }
}