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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 头部导航 */
header {
    background-color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

nav ul li {
    margin-left: 1.5rem;
}

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

/* 英雄区域 */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.logo-img{
    width: 50px;
    height: 50px;
}

.hero-image-img {
    width: 100px;
    height: 100px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #007bff;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.btn {
    display: inline-block;
    background-color: #007bff;
    color: #fff;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* 功能区域 */
.features {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 1rem;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #007bff;
}

.feature-item {
    display: inline-block;
    width: 30%;
    margin: 0 1.5%;
    vertical-align: top;
}

.feature-item img {
    max-width: 100px;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-item p {
    font-size: 1rem;
    color: #666;
}

/* 页脚 */
footer {
    background-color: #f4f4f4;
    text-align: center;
    padding: 1rem 0;
    margin-top: 4rem;
}

footer p {
    font-size: 0.9rem;
    color: #666;
}

/* 申请流程样式 */
.process {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 1rem;
    text-align: center;
}

.process h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #007bff;
}

.process-step {
    display: inline-block;
    width: 30%;
    margin: 0 1.5%;
    vertical-align: top;
}

.process-step .step-number {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    background-color: #007bff;
    color: #fff;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.process-step p {
    font-size: 1rem;
    color: #666;
}

/* 联系我们电话号码样式 */
.contact-us {
    position: relative;
}

.phone-number {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #007bff;
    color: #fff;
    padding: 0.5rem;
    border-radius: 5px;
    white-space: nowrap;
    font-size: 0.9rem;
}

.contact-us:hover .phone-number {
    display: block;
}