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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f0f4ff;
    --bg-light-alt: #f8faff;
    --bg-white: #ffffff;
    --bg-gradient-1: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    --bg-gradient-2: linear-gradient(135deg, #faf5ff 0%, #f0f4ff 100%);
    --bg-gradient-3: linear-gradient(135deg, #e8f0fe 0%, #f0f4ff 100%);
    --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: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: #f8faff;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.nav-slogan {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 1px;
}

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

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* Hero Section - 轮播图 */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    color: white;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

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

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

.carousel-slide:first-child {
    background: linear-gradient(135deg, #93c5fd 0%, #60a5fa 100%);
}

.carousel-slide:first-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    will-change: opacity;
    transition: opacity 0.3s ease;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
}

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

.hero-company {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease 0.1s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-slogan {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.95;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease 0.3s both;
}

/* 轮播图控制按钮 */
.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 10;
    pointer-events: none;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    pointer-events: all;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.carousel-btn.prev {
    left: 2rem;
}

.carousel-btn.next {
    right: 2rem;
}

/* 轮播图指示点 */
.carousel-dots {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.dot.active {
    background: white;
    width: 14px;
    height: 14px;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 10;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 30px;
    border-right: 3px solid white;
    border-bottom: 3px solid white;
    transform: rotate(45deg);
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 使命愿景价值观 */
.values-section {
    padding: 80px 0;
    background: var(--bg-gradient-1);
}

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

.value-card {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.value-card h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.value-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 关于拓盟 */
.about-section {
    padding: 80px 0;
    background: var(--bg-gradient-2);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 公司规模 */
.scale-section {
    padding: 80px 0;
    background: var(--bg-gradient-3);
}

.scale-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.scale-content p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
}

/* 核心理念 */
.philosophy-section {
    padding: 80px 0;
    background: var(--bg-gradient-1);
}

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

.philosophy-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease;
}

.philosophy-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.philosophy-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* 企业荣誉 */
.honor-section {
    padding: 80px 0;
    background: var(--bg-gradient-3);
}

.honor-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: white;
}

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

.honor-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.honor-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.honor-year {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.honor-title {
    color: var(--text-color);
    line-height: 1.6;
}

/* 新闻动态 */
.news-section {
    padding: 80px 0;
    background: var(--bg-gradient-2);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.news-date {
    min-width: 100px;
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.news-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

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

/* 业务体系 */
.services-section {
    padding: 80px 0;
    background: var(--bg-gradient-1);
}

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

.service-card {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.service-card h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

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

/* 技术赋能 */
.technology-section {
    padding: 80px 0;
    background: var(--bg-gradient-2);
}

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

.tech-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.tech-item h3 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

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

/* 主要行业与合作 */
.clients-section {
    padding: 80px 0;
    background: var(--bg-gradient-3);
}

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

.industry-item {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-color);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-top: 4px solid var(--primary-color);
}

.industry-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.industry-item h3 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.industry-item p {
    color: var(--text-light);
    line-height: 1.8;
    text-align: left;
}

/* 招聘信息 */
.careers-section {
    padding: 80px 0;
    background: var(--bg-gradient-1);
}

.careers-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.careers-content p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
}

.careers-list {
    list-style: none;
    text-align: left;
    max-width: 500px;
    margin: 2rem auto;
}

.careers-list li {
    padding: 0.75rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.careers-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 2rem;
    transition: background 0.3s ease;
}

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

/* 联系方式 */
.contact-section {
    padding: 80px 0;
    background: var(--bg-gradient-2);
}

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

.contact-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    align-items: start;
}

.contact-icon {
    font-size: 2.5rem;
}

.contact-details h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

/* 页脚 */
.footer {
    background: var(--text-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.icp-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.icp-link:hover {
    color: white;
    opacity: 1;
    border-bottom-color: rgba(255, 255, 255, 0.5);
}

.footer-separator {
    margin: 0 0.5rem;
    opacity: 0.6;
}

/* 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-company {
        font-size: 1.5rem;
    }

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

    .carousel-controls {
        padding: 0 1rem;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .carousel-dots {
        bottom: 40px;
    }

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

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .news-date {
        min-width: auto;
    }

    .values-grid,
    .philosophy-grid,
    .services-grid,
    .technology-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

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

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

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

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

    .about-stats {
        grid-template-columns: 1fr;
    }
}