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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #4f46e5;
    --accent-color: #8b5cf6;
    --gradient-start: #4f46e5;
    --gradient-end: #60a5fa;
    --text-color: #1e293b;
    --light-text: #64748b;
    --bg-light: #f1f5f9;
    --bg-white: #fff;
    --box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --hover-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card-hover-y: -10px;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

ul {
    list-style: none;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 38px;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    font-weight: 700;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.section-title p {
    color: var(--light-text);
    font-size: 18px;
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* 顶部导航栏 */
header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

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

.logo h1 {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
    margin-bottom: 5px;
    position: relative;
}

.logo h1::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 10%;
    height: 80%;
    width: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.logo p {
    font-size: 12px;
    color: var(--light-text);
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
    position: relative;
}

nav ul li a {
    padding: 8px 12px;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

nav ul li a:hover::after, nav ul li a.active::after {
    width: 70%;
}

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

/* 新增样式：导航栏滚动效果 */
header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 5px 0;
}

header.scrolled .logo h1 {
    font-size: 26px;
}

header.scrolled .logo p {
    font-size: 10px;
}

/* body状态控制 */
body.menu-open {
    overflow: hidden;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--bg-white);
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    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"/><rect width="1" height="1" fill="rgba(255,255,255,0.15)" x="0" y="0"/><rect width="1" height="1" fill="rgba(255,255,255,0.15)" x="20" y="20"/><rect width="1" height="1" fill="rgba(255,255,255,0.15)" x="40" y="40"/><rect width="1" height="1" fill="rgba(255,255,255,0.15)" x="60" y="60"/><rect width="1" height="1" fill="rgba(255,255,255,0.15)" x="80" y="80"/></svg>');
    opacity: 0.5;
}

.hero h2 {
    font-size: 54px;
    font-weight: 800;
    margin-bottom: 15px;
    animation: fadeInUp 1s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.5px;
}

.hero h3 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 600;
    animation: fadeInUp 1.2s ease;
    opacity: 0.9;
}

.hero .subtitle {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 5px;
    animation: fadeInUp 1.4s ease;
}

.company-intro {
    margin-top: 40px;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    backdrop-filter: blur(10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1.6s ease;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.company-intro p {
    font-size: 18px;
    line-height: 1.8;
}

/* 统计数字 */
.stats {
    padding: 80px 0;
    background-color: var(--bg-light);
    text-align: center;
    position: relative;
}

.stats .container {
    display: flex;
    justify-content: space-around;
}

.stat-item {
    padding: 30px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-item h3 {
    font-size: 54px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.stat-item h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 3px;
}

.stat-item p {
    font-size: 18px;
    color: var(--light-text);
    font-weight: 600;
    text-transform: uppercase;
}

/* 特点展示 */
.features {
    padding: 80px 0;
    background-color: var(--bg-white);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, var(--bg-light) 0%, var(--bg-white) 100%);
}

.features .container {
    position: relative;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    padding: 40px 25px;
    width: 30%;
    margin-bottom: 30px;
    border-radius: 15px;
    background-color: var(--bg-white);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    z-index: 1;
}

.feature-item:hover {
    transform: translateY(-15px);
    box-shadow: var(--hover-shadow);
}

.feature-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 25px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
    position: relative;
    padding-bottom: 10px;
}

.feature-item h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.feature-item p {
    color: var(--light-text);
    font-size: 16px;
    line-height: 1.7;
}

/* 优势展示 */
.benefits {
    padding: 80px 0;
    background-color: var(--bg-light);
    position: relative;
}

.benefits::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 100%);
}

.benefits .container {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    z-index: 1;
}

.benefit-item {
    width: 23%;
    background-color: var(--bg-white);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.benefit-item:hover::before {
    transform: scaleX(1);
}

.benefit-item:hover {
    transform: translateY(-15px);
    box-shadow: var(--hover-shadow);
}

.benefit-item h3 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.benefit-item p {
    color: var(--light-text);
    font-size: 16px;
    line-height: 1.7;
}

/* 页脚 */
footer {
    background-color: #333;
    color: var(--bg-white);
    padding: 70px 0 20px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.footer-info {
    margin-bottom: 50px;
}

.footer-info h3 {
    font-size: 28px;
    margin-bottom: 25px;
    display: inline-block;
    position: relative;
}

.footer-info h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.contact-section {
    margin-bottom: 40px;
}

.contact-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    display: inline-block;
}

.contact-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

.contact-items {
    display: flex;
    flex-wrap: wrap;
}

.contact-item {
    margin-right: 30px;
    margin-bottom: 15px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
}

.contact-item p {
    position: relative;
    padding-left: 25px;
}

.contact-item p::before {
    content: '\f101';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--secondary-color);
}

.qr-codes {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.qr-item {
    margin-right: 40px;
    margin-bottom: 30px;
    text-align: center;
    transition: var(--transition);
}

.qr-item:hover {
    transform: translateY(-10px);
}

.qr-item img {
    width: 120px;
    height: 120px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background-color: var(--bg-white);
    margin-bottom: 10px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.qr-item:hover img {
    border-color: var(--primary-color);
}

.qr-item p {
    color: #ccc;
    font-size: 14px;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .benefit-item {
        width: 48%;
    }

    .feature-item {
        width: 45%;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero {
        padding: 160px 0 80px;
    }
    
    .hero h2 {
        font-size: 32px;
    }
    
    .hero h3 {
        font-size: 22px;
    }
    
    .stats .container {
        flex-direction: column;
    }
    
    .feature-item {
        width: 100%;
    }
    
    .benefit-item {
        width: 100%;
    }
    
    .qr-codes {
        justify-content: center;
    }
    
    .qr-item {
        margin: 0 15px 20px;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

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

/* 添加粒子效果样式 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-particles .particle {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-15px) translateX(10px);
    }
    50% {
        transform: translateY(5px) translateX(-15px);
    }
    75% {
        transform: translateY(10px) translateX(5px);
    }
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 3;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 70px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.btn:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 100%;
    transition: all 0.3s;
    z-index: -1;
}

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

.btn-white:before {
    background-color: var(--bg-light);
}

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

.btn-outline {
    color: var(--bg-white);
    background-color: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:before {
    background-color: var(--bg-white);
}

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

.btn-primary {
    color: var(--bg-white);
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
}

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

.btn-primary:hover {
    box-shadow: 0 6px 22px rgba(79, 70, 229, 0.4);
}

.btn:hover:before {
    width: 100%;
}

.hero-btn {
    margin-top: 30px;
}

/* 关于我们部分 */
.about {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.about-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 50px;
}

.about-img {
    flex: 1;
    position: relative;
    padding: 20px;
    min-width: 300px;
}

.about-img img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 2;
}

.about-shape {
    position: absolute;
    width: 80%;
    height: 80%;
    top: 40px;
    left: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    z-index: 1;
}

.about-text {
    flex: 1;
    padding: 20px 40px;
    min-width: 300px;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

.about-text p {
    margin-bottom: 25px;
    color: var(--light-text);
    line-height: 1.8;
}

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

.about-feature-item {
    flex: 50%;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.about-feature-item i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
}

/* 产品卡片 */
.product {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 35px 25px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.02);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.product-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.05) 0%, rgba(79, 70, 229, 0) 100%);
    transition: all 0.5s ease;
    z-index: -1;
}

.product-card:hover {
    transform: translateY(var(--card-hover-y));
    box-shadow: var(--hover-shadow);
}

.product-card:hover:before {
    height: 100%;
}

.product-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-size: 28px;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.product-card p {
    color: var(--light-text);
    line-height: 1.8;
    font-size: 16px;
}

/* 团队部分 */
.team-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-member {
    background-color: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
}

.member-img {
    position: relative;
    overflow: hidden;
}

.member-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.team-member:hover .member-img img {
    transform: scale(1.1);
}

.member-info {
    padding: 20px;
    text-align: center;
}

.member-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: var(--text-color);
}

.member-info p {
    color: var(--light-text);
    margin-bottom: 15px;
}

.member-social {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.member-social a {
    width: 36px;
    height: 36px;
    background-color: var(--bg-light);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.member-social a:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

/* 合作平台 */
.cooperation {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.platform-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
}

.platform-logo {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 25px;
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.platform-logo:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.platform-logo:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.08);
}

.platform-logo:hover:after {
    transform: scaleX(1);
}

.platform-logo img {
    max-width: 80%;
    height: 80px;
    object-fit: contain;
    transition: var(--transition);
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07));
}

.platform-logo:hover img {
    transform: scale(1.1);
}

.platform-logo p {
    margin-top: 10px;
    font-size: 15px;
    color: var(--text-color);
    font-weight: 600;
}

/* 业务合作 */
.business {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.cooperation-types {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.coop-item {
    flex: 0 0 350px;
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.coop-item:hover {
    transform: translateY(var(--card-hover-y));
    box-shadow: var(--hover-shadow);
    border-color: var(--primary-color);
}

.coop-icon {
    width: 80px;
    height: 80px;
    line-height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    color: white;
    font-size: 32px;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.coop-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 700;
}

.coop-item p {
    color: var(--light-text);
    line-height: 1.8;
    font-size: 16px;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info .contact-item {
    display: flex;
    margin-bottom: 30px;
}

.contact-info .contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 20px;
}

.contact-info .contact-text h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-color);
}

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

.contact-form {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.contact-form:before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(96, 165, 250, 0.1));
    z-index: 0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    font-size: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    background-color: var(--bg-light);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: var(--bg-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

/* 页脚样式更新 */
.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-info {
    flex: 1;
    min-width: 250px;
}

.footer-info p {
    margin-top: 20px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    min-width: 150px;
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    display: inline-block;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary-color);
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
    background-color: var(--accent-color);
    transform: translateY(-5px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    display: none;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    left: 0;
    transition: var(--transition);
}

.mobile-menu-btn span:nth-child(1) {
    top: 0;
}

.mobile-menu-btn span:nth-child(2) {
    top: 9px;
}

.mobile-menu-btn span:nth-child(3) {
    top: 18px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 9px;
}

/* 响应式设计更新 */
@media (max-width: 992px) {
    .mobile-menu-btn {
        display: block;
    }

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: var(--bg-white);
        z-index: 999;
        transition: var(--transition);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 50px 20px;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        align-items: flex-start;
    }

    nav ul li {
        margin: 0 0 20px 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        padding: 10px 15px;
        width: 100%;
    }

    .about-content,
    .contact-wrapper {
        flex-direction: column;
    }

    .about-img,
    .about-text {
        width: 100%;
    }

    .about-shape {
        width: 90%;
        height: 90%;
        top: 20px;
        left: 20px;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .cooperation-types {
        gap: 20px;
    }

    .coop-item {
        flex: 0 0 calc(50% - 20px);
    }

    .platform-logos {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .platform-logo {
        flex: 0 0 calc(33.333% - 20px);
        max-width: calc(33.333% - 20px);
    }
}

@media (max-width: 768px) {
    .hero h2 {
        font-size: 36px;
    }

    .hero h3 {
        font-size: 24px;
    }

    .section-title h2 {
        font-size: 32px;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .coop-item {
        flex: 0 0 100%;
    }

    .footer-top {
        flex-direction: column;
    }

    .qr-codes {
        flex-wrap: wrap;
        justify-content: center;
    }

    .qr-item {
        margin: 0 10px 20px;
    }

    .platform-logo {
        flex: 0 0 calc(50% - 20px);
        max-width: calc(50% - 20px);
    }
}

@media (max-width: 480px) {
    .platform-logo {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* 图片占位符样式 */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* 添加一些动画效果 */
@keyframes floatUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.product-card, .platform-logo, .coop-item {
    animation: floatUp 5s ease-in-out infinite;
    animation-delay: calc(var(--delay) * 0.5s);
}

.product-card:nth-child(1), .platform-logo:nth-child(1), .coop-item:nth-child(1) {
    --delay: 0;
}

.product-card:nth-child(2), .platform-logo:nth-child(2), .coop-item:nth-child(2) {
    --delay: 1;
}

.product-card:nth-child(3), .platform-logo:nth-child(3), .coop-item:nth-child(3) {
    --delay: 2;
}

.product-card:nth-child(4), .platform-logo:nth-child(4) {
    --delay: 3;
}

.platform-logo:nth-child(5) {
    --delay: 4;
}

.platform-logo:nth-child(6) {
    --delay: 5;
}

/* 添加浮动形状 */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.shape {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 20%;
    animation-delay: 2s;
    background-color: rgba(255, 255, 255, 0.08);
}

.shape-3 {
    width: 120px;
    height: 120px;
    top: 30%;
    right: 15%;
    animation-delay: 4s;
    background-color: rgba(255, 255, 255, 0.05);
}

.shape-4 {
    width: 50px;
    height: 50px;
    bottom: 20%;
    right: 10%;
    animation-delay: 6s;
    background-color: rgba(255, 255, 255, 0.1);
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(-10px, 20px) rotate(5deg);
    }
    50% {
        transform: translate(10px, 40px) rotate(10deg);
    }
    75% {
        transform: translate(20px, 20px) rotate(5deg);
    }
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
}

/* 添加区块分隔符 */
.section-divider {
    position: relative;
    height: 48px;
    overflow: hidden;
    z-index: 1;
}

.section-divider svg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 添加合作按钮 */
.coop-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 0;
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    transition: var(--transition);
}

.coop-btn:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.coop-btn:hover {
    color: var(--accent-color);
}

.coop-btn:hover:after {
    width: 100%;
}

.coop-btn i {
    margin-left: 5px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.coop-btn:hover i {
    transform: translateX(5px);
}

/* 添加社交图标样式 */
.social-icons {
    display: flex;
    margin-top: 20px;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

/* 美化个别元素 */
.accent-icon {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 设置AOS动画默认配置 */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

.core-abilities, .advantages {
    position: relative;
    z-index: 1;
}

.core-abilities:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-white);
    z-index: -1;
}

/* 移动端样式优化 */
@media (max-width: 992px) {
    .floating-shapes {
        display: none;
    }
}

/* 表单美化 */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
    background-color: #f9fafb;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.contact-icon {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
}

/* 产品卡片徽章 */
.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 5px 12px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* 关于徽章 */
.about-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(139, 92, 246, 0.1));
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    margin-bottom: 20px;
    font-weight: 500;
}

/* 能力进度条 */
.ability-progress {
    margin-top: 20px;
    background-color: rgba(0, 0, 0, 0.05);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.ability-progress .progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-in-out;
}

.ability-progress span {
    position: absolute;
    right: 0;
    top: -25px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
}

/* 统计数字图标 */
.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
}

/* 产品链接 */
.product-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-link i {
    transform: translateX(0);
    display: inline-block;
    transition: transform 0.3s ease;
    margin-left: 5px;
}

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

.product-link:hover i {
    transform: translateX(5px);
}

/* 合作更多 */
.cooperation-more {
    text-align: center;
    margin-top: 50px;
}

.cooperation-more p {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 20px;
}

/* 产品卡片悬停状态 */
.product-card.hovered {
    transform: translateY(var(--card-hover-y));
    box-shadow: var(--hover-shadow);
}

.product-card.hovered:before {
    height: 100%;
}

/* 修改表单按钮 */
.contact-form button i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.contact-form button:hover i {
    transform: translateX(3px);
}

/* 修改Hero按钮 */
.hero-btn .btn i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.hero-btn .btn:hover i {
    transform: translateX(3px);
}

/* 加载中动画 */
@keyframes spinner {
    to {transform: rotate(360deg);}
}

.fa-spinner {
    animation: spinner 1s linear infinite;
}