body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.app-section {
    padding: 60px 0;
    background-color: #f9f9f9;
    text-align: center;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
}

.app-section h2 {
    font-size: 36px;
    font-weight: bold;
    color: #222;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.app-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

.app-logo {
    margin-right: 130px;
}

.app-logo img {
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.app-features {
    max-width: 600px;
    text-align: left;
}

.app-features h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #0056b3;
    text-transform: capitalize;
}

.app-features ul {
    list-style: none;
    padding-left: 0;
}

.app-features ul li {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 10px;
    color: #555;
    position: relative;
    padding-left: 30px;
}

.app-features ul li::before {
    content: "✔️";
    position: absolute;
    left: 0;
    top: 5px;
    font-size: 18px;
    color: #0056b3;
}

.app-features p {
    font-size: 16px;
    margin-top: 20px;
    color: #666;
    line-height: 1.6;
}

.download-button {
    display: inline-block;
    padding: 12px 30px;
    margin-top: 30px;
    background-color: #0056b3;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.download-button:hover {
    background-color: #003d80;
}

.hidden {
    display: none;
}
.container {
    width: 90%;
    margin: 0 auto;
}
main {
    padding: 40px 0;
}

.aboutus-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.text-content {
    flex: 2;
}

.image-content img {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: 10px;
}
header {
    background: #f5f5f5;
    color: #333;
    padding: 10px 0;
}

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

.logo img {
    height: 40px;
    width: 235px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 50px;
}

nav ul li a {
    color: #333;
    text-decoration: none;
}

.auth-buttons button {
    margin-left: 10px;
    padding: 5px 10px;
    background-color: #555;
    color: #fff;
    border: none;
    cursor: pointer;
}

.banner {
    position: relative;
    width: 100%;
    height: 850px;
    overflow: hidden;
}

.banner-slider {
    display: flex;
    animation: slide 10s infinite;
}

.slide {
    min-width: 100%;
    transition: 0.5s;
    position: relative;
}

.slide img {
    width: 100%;
    height: 850px;
    object-fit: cover;
}

.banner-text {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px;
    border-radius: 5px;
}

@keyframes slide {
    0%, 20% { transform: translateX(0); }
    25%, 45% { transform: translateX(-100%); }
    50%, 70% { transform: translateX(-200%); }
    75%, 100% { transform: translateX(-300%); }
}

.products {
    padding: 50px 0;
    text-align: center;
    width: 90%;
    margin-left: 5%;
}

.product-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0px;
}

.product-item {
    width: 250px; /* 固定宽度 */
    padding: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    flex: 1 0 15%;
    box-sizing: border-box;
    margin: 5px;
}

.product-item img {
    width: 100%;
    border-bottom: 1px solid #ddd;
}

.product-item h3 {
    margin: 10px 0;
}

.product-item p {
    color: #777;
}

.product-item a {
    display: inline-block;
    margin-top: 10px;
    color: #FFFFFF;
    background-color: #f38759;
    text-decoration: none;
    /*border: 1px solid #333;*/
    padding: 5px 10px;
    border-radius: 5px;
    transition: background 0.3s, color 0.3s;
    line-height: 100%;
    width: 80%;
    height: 30px;
    font-size: 20px;
}

.product-item a:hover {
    background: #EF5F21;
    color: #fff;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.social-links a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
}

.solution-mod{
    background: linear-gradient(142deg, #03011E 20%, #1D3E98 74%, #3E7DF9 100%);
    height: 700px;
    margin-top: -20px;
}