/* 全局样式 */
:root {
    --primary-color: #89e5f3f1;
    --secondary-color: #000dff;
    --accent-color: #0800e8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, #2980b9, #6d6ffa);
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* JOP GIF 样式 */
.jop-gif {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 9999;
    width: 150px; /* 调整宽度从100px到150px */
    height: auto;
}

body {
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--accent-color);
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    box-shadow: var(--box-shadow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* 头部样式 */
header {
    background: var(--gradient-primary);
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 语言切换按钮 */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.language-btn {
    background: transparent;
    color: white;
    border: 1px solid white;
    border-radius: 4px;
    padding: 5px 10px;
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 80px;
    height: 80px;
    margin-right: 15px;
}

.company-name h1 {
    font-size: 1.8rem;
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 #000, -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000;
    color: white;
}

.company-name p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    text-shadow: 1px 1px 0 #000, -0.5px -0.5px 0 #000, 0.5px -0.5px 0 #000, -0.5px 0.5px 0 #000;
    color: white;
}

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

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

/* 英雄区域样式 */
.hero {
    background: var(--gradient-secondary);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    background-image: url('../images/hero-bg1.jpg');
    background-color: white;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
    align-items: center;
}

.about-text h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.timeline {
    margin-top: 30px;
}

.timeline li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 20px;
    border-left: 2px solid var(--primary-color);
    padding-bottom: 15px;
}

.timeline .year {
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

/* 愿景使命样式 */
.vision-mission {
    padding: 60px 0;
    background: var(--gradient-secondary);
    color: white;
}

.vision-mission .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.vision-box, .mission-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.vision-box h3, .mission-box h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 10px;
}

.vision-box h3::after, .mission-box h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: white;
}

.mission-box ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.mission-box ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: white;
}

/* 服务样式 */
.services {
    padding: 80px 0;
    background-color: white;
}

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

html {
    scroll-behavior: smooth;
}

/* 优化卡片悬停效果 */
.service-card {
    transform: translateY(0);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* 优化图片悬停效果 */
.fleet-item {
    overflow: hidden;
    transition: all 0.4s ease;
}

.fleet-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.fleet-item img {
    transition: transform 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.fleet-item:hover img {
    transform: scale(1.1);
}

/* 添加按钮点击效果 */
.btn:active {
    transform: scale(0.95);
}

/* 优化表单输入框焦点效果 */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(179, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* 添加页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title,
.hero-content,
.about-content,
.service-card,
.fleet-item,
.contact-content {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* 优化导航栏滚动效果 */
header {
    transition: all 0.4s ease;
}

header.scrolled {
    background: rgba(40, 53, 234, 0.536);
    backdrop-filter: blur(10px);
    padding: 10px 0;
}

/* 添加滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, #ff9800, #ff5722);
    z-index: 9999;
    transition: width 0.1s ease;
}

.btn {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    box-shadow: var(--box-shadow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* 头部样式 */
header {
    background: var(--gradient-primary);
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 语言切换按钮 */
.language-switcher {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.language-btn {
    background: transparent;
    color: white;
    border: 1px solid white;
    border-radius: 4px;
    padding: 5px 10px;
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 80px;
    height: 80px;
    margin-right: 15px;
}

.company-name h1 {
    font-size: 1.8rem;
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 #000, -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000;
    color: white;
}

.company-name p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    text-shadow: 1px 1px 0 #000, -0.5px -0.5px 0 #000, 0.5px -0.5px 0 #000, -0.5px 0.5px 0 #000;
    color: white;
}

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

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

/* 英雄区域样式 */
.hero {
    background: var(--gradient-secondary);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    background-image: url('../images/hero-bg1.jpg');
    background-color: white;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
    align-items: center;
}

.about-text h3 {
    color: var(---dark-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.timeline {
    margin-top: 30px;
}

.timeline li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 20px;
    border-left: 2px solid var(--primary-color);
    padding-bottom: 15px;
}

.timeline .year {
    font-weight: bold;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 5px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

/* 愿景使命样式 */
.vision-mission {
    padding: 60px 0;
    background: var(--gradient-secondary);
    color: white;
}

.vision-mission .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.vision-box, .mission-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.vision-box h3, .mission-box h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 10px;
}

.vision-box h3::after, .mission-box h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: white;
}

.mission-box ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.mission-box ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: white;
}

/* 服务样式 */
.services {
    padding: 80px 0;
    background-color: white;
}

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

.service-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card .icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    box-shadow: var(--box-shadow);
}

.feature h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature h4 i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* 车队样式 */
.fleet {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.fleet-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
}

.fleet-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.fleet-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.fleet-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.fleet-item:hover img {
    transform: scale(1.05);
}

.fleet-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 20px;
}

.fleet-brands {
    text-align: center;
}

.fleet-brands h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.brands-list {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.brands-list span {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--secondary-color);
    padding: 15px 25px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: inline-block;
}

.brands-list span:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background-color: white;
    position: relative;
    background-image: url('../images/contact-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85); /* 白色背景，透明度85% */
    z-index: 0;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 86, 179, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h3 {
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.contact-form h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.form-group {
    margin-bottom: 20px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--dark-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff9800;
}

.submit-button {
    background-color: #ff9800;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid black;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: #f57c00;
    transform: translateY(-3px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* 表单验证样式 */
.input-error {
    border: 1px solid #ff3333 !important;
    background-color: rgba(255, 51, 51, 0.05) !important;
}

.error-message {
    color: #ff3333;
    font-size: 0.8rem;
    margin-top: 5px;
    animation: fadeIn 0.3s ease;
}

/* 表单成功提交样式 */
.success-message {
    text-align: center;
    padding: 30px 20px;
    animation: fadeIn 0.5s ease;
}

.success-message i {
    font-size: 4rem;
    color: #4CAF50;
    margin-bottom: 20px;
}

.success-message h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.success-message p {
    color: var(--dark-color);
    font-size: 1.1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 页脚样式 */
footer {
    background: var(--gradient-primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    width: 220px;;
    margin-bottom: 15px;
}

.footer-logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-links h3,
.footer-contact h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: white;
}

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

.footer-links ul li a {
    color: white;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    padding-left: 5px;
    color: white;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact p i {
    margin-right: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 滚动动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content,
    .vision-mission .container,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .logo {
        width: 60px;
        height: 60px;
    }
    
    .company-name h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    /* JOP GIF 在移动端的样式 */
    .jop-gif {
        width: 80px; /* 减小GIF尺寸 */
        top: 70px; /* 调整位置，避免与导航重叠 */
    }
    
    /* 导航栏在移动端的样式 */
    header .container {
        flex-direction: column;
    }
    
    .logo-container {
        margin-bottom: 10px;
    }
    
    .logo {
        width: 50px;
        height: 50px;
    }
    
    .company-name h1 {
        font-size: 1.4rem;
    }
    
    .company-name p {
        font-size: 0.8rem;
    }
    
    nav {
        margin-top: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }
    
    nav ul li {
        margin: 5px 8px;
    }
    
    nav ul li a {
        font-size: 0.9rem;
        padding: 5px 0;
    }
    
    .language-switcher {
        margin: 10px 0 0 0;
    }
    
    /* 调整页面内容在移动端的间距 */
    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
}

/* 特小屏幕设备优化 */
@media (max-width: 480px) {
    .jop-gif {
        width: 60px; /* 进一步减小GIF尺寸 */
        top: 60px;
    }
    
    .logo {
        width: 40px;
        height: 40px;
    }
    
    .company-name h1 {
        font-size: 1.2rem;
    }
    
    .company-name p {
        font-size: 0.7rem;
    }
    
    nav ul li a {
        font-size: 0.85rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    nav ul {
        flex-wrap: wrap;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card,
    .fleet-item {
        margin-bottom: 20px;
    }
    
    .brands-list {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    .company-name {
        margin-top: 10px;
    }
    
    .language-switcher {
        margin: 15px 0 0 0;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item i {
        margin: 0 auto 10px;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-links h3::after,
    .footer-contact h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-contact p {
        justify-content: center;
    }
}

/* 滚动视差效果 */
.parallax-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* 应用到英雄区域 */
.hero::before {
    background-attachment: fixed;
}