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

:root {
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --accent-color: #8b5cf6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', 'Microsoft YaHei', 'SimHei', sans-serif;
    color: var(--text-dark);
    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;
    background: transparent;
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    background: #FFF;
    transition: width 0.3s ease;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* 页面切换 */
.section {
    display: block;
    min-height: 100vh;
    padding-top: 80px;
    animation: fadeIn 0.5s ease;
}

/* 非主页页面样式 */
.page-section {
    padding-top: 0 !important;
    margin-top: 0 !important;
    background: var(--bg-light);
}

.page-content {
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
    margin-top: 0;
    padding-top: 30px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 首页样式 */
.hero-banner {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-content {
    text-align: center;
    color: white;
    z-index: 2;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: slideUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideUp 0.8s ease 0.2s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

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

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

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

.banner-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

.banner-prev,
.banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 3rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
}

.banner-prev:hover,
.banner-next:hover {
    background: rgba(255, 255, 255, 0.5);
}

.banner-prev {
    left: 30px;
}

.banner-next {
    right: 30px;
}

.intro-section {
    padding: 80px 0;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.featured-works {
    padding: 80px 0;
    background: var(--bg-light);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.work-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.work-image {
    position: relative;
    height: 200px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.work-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.work-placeholder {
    color: white;
    font-size: 1.2rem;
}

.work-info {
    padding: 1.5rem;
}

.work-type {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-light);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.work-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.work-desc {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.work-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.work-link:hover {
    color: var(--secondary-color);
}

.cta-section {
    text-align: center;
}

/* 公司介绍页 */
.about-content {
    padding: 40px 0;
    background: white;
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.about-intro {
    margin-bottom: 60px;
}

.about-intro h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-intro p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-intro p.preserve-formatting {
    white-space: pre-wrap; /* 保留所有空格和换行 */
    word-wrap: break-word;
}

.timeline {
    margin: 60px 0;
}

.timeline h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    /*background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));*/
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-color);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 80px;
}

.timeline-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.timeline-content p {
    color: var(--text-light);
}

.values {
    margin-top: 60px;
}

.values h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
}

/* 作品展示页 */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0 2rem;
    flex-wrap: wrap;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.portfolio-grid {
    margin-top: 2rem;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
    background: #86acff;
    color: white;
    border-color: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    height: 250px;
    background: transparent;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.portfolio-placeholder {
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 1.2rem;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    pointer-events: auto;
}

.portfolio-link {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    pointer-events: auto;
    cursor: pointer;
    display: inline-block;
    z-index: 10;
    position: relative;
}

.portfolio-link:hover {
    background: white;
    color: var(--primary-color);
}


.portfolio-type {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-light);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.portfolio-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.portfolio-desc {
    color: var(--text-light);
    line-height: 1.6;
}

/* 商务合作页 */
.business-content {
    padding: 40px 0;
    background: white;
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.business-intro h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.business-intro p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.process-step h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.process-step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 加入我们页 */
.careers-content {
    padding: 40px 0;
    background: white;
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.careers-intro h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.careers-intro p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.careers-intro strong {
    color: var(--primary-color);
    font-weight: 600;
}

.job-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.job-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.job-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.job-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.job-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.apply-info {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 3rem;
}

.apply-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.apply-info p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.apply-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.apply-info a:hover {
    text-decoration: underline;
}

/* 联系我们页 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    padding: 40px 0;
    background: white;
    border-radius: 15px;
    margin-top: 2rem;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
}

.info-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.social-links {
    margin-top: 2rem;
}

.social-links h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.social-icons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-icon {
    padding: 10px 20px;
    background: var(--bg-light);
    border-radius: 25px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-icon:hover {
    /*background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));*/
    color: white;
    transform: translateY(-2px);
}

.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
}

.form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 20px;
    margin-top: 80px;
}
/* 页脚样式 - 减少与主体的间隙 */
.footer {
    margin-top: 0 !important;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-social a {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    text-decoration: none;
    color: white;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .works-grid,
    .portfolio-grid,
    .team-grid,
    .process-steps,
    .job-list {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .page-header .page-title {
        font-size: 2rem;
    }
    
    .page-header .page-subtitle {
        font-size: 1rem;
    }
    
    .about-content,
    .business-content,
    .careers-content,
    .contact-content {
        padding: 1.5rem !important;
        margin-top: 1rem;
    }

    .banner-prev,
    .banner-next {
        width: 40px;
        height: 40px;
        font-size: 2rem;
    }

    .banner-prev {
        left: 10px;
    }

    .banner-next {
        right: 10px;
    }

    .timeline-item {
        flex-direction: column;
    }

    .timeline-year {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .portfolio-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}