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

:root {
    --primary-color: #FF6B35;
    --secondary-color: #004E89;
    --accent-color: #F7B801;
    --dark-color: #1A1A2E;
    --light-color: #F5F5F5;
    --white: #FFFFFF;
    --gradient-1: linear-gradient(135deg, #FF6B35 0%, #F7B801 100%);
    --gradient-2: linear-gradient(135deg, #004E89 0%, #1F7A8C 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'PingFang HK', 'Microsoft JhengHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Hero区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(22, 33, 62, 0.85) 50%, rgba(15, 52, 96, 0.85) 100%), 
                url('../images/hero-bg.jpg') center/cover no-repeat;
    background-attachment: fixed;
    padding: 80px 0;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(247, 184, 1, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--white);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-1);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* 统计数据 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* CTA按钮 */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-1);
    color: var(--white);
    padding: 18px 36px;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(255, 107, 53, 0.6);
}

.cta-button.large {
    padding: 24px 48px;
    font-size: 20px;
}

.btn-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.hero-cta {
    margin-top: 20px;
}

/* 信任徽章 */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.trust-badges span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.9;
}

/* Hero动画形状 */
.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 10%;
    left: 5%;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    top: 60%;
    right: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    bottom: 20%;
    left: 50%;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

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

/* 实时通知 */
#notification-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 999;
    max-width: 350px;
}

.notification {
    background: white;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.5s ease-out;
}

.notification i {
    color: var(--primary-color);
    font-size: 20px;
}

.notification-text {
    flex: 1;
    font-size: 14px;
    line-height: 1.4;
}

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

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* 通用区域样式 */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--gradient-1);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 内容行 */
.content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.content-row.reverse {
    direction: rtl;
}

.content-row.reverse > * {
    direction: ltr;
}

.content-text h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-text h3 i {
    color: var(--primary-color);
}

.content-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.content-image {
    border-radius: 20px;
    overflow: hidden;
}

.image-placeholder {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    padding: 60px 40px;
    text-align: center;
    border-radius: 20px;
}

.image-placeholder i {
    color: #999;
    margin-bottom: 20px;
}

.image-placeholder p {
    color: #666;
    font-weight: 600;
}

/* 福利列表 */
.benefits-list {
    list-style: none;
    margin: 24px 0;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.6;
}

.benefits-list i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

/* 福利卡片 */
.benefit-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.benefit-card {
    background: var(--light-color);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
}

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

.benefit-card i {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.benefit-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* 高亮框 */
.highlight-box {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(247, 184, 1, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
    padding: 20px 24px;
    border-radius: 12px;
    margin: 24px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.highlight-box i {
    color: var(--primary-color);
    font-size: 24px;
    margin-top: 2px;
}

.highlight-box p {
    margin: 0;
}

/* 车辆网格展示 */
.featured-cars-slider {
    background: var(--light-color);
}

.cars-grid-slider {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.car-grid-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    cursor: pointer;
}

.car-grid-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.car-grid-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--light-color);
}

.car-grid-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.car-grid-card:hover .car-grid-image img {
    transform: scale(1.1);
}

.image-placeholder-small {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.image-placeholder-small i {
    color: #999;
}

.car-grid-content {
    padding: 20px;
}

.car-grid-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.car-grid-price {
    font-size: 14px;
    color: var(--dark-color);
    margin-bottom: 8px;
    font-weight: 600;
}

.car-grid-price span {
    font-size: 24px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.car-grid-desc {
    font-size: 14px;
    color: #666;
}

/* 背景色区域 */
.benefits-section,
.testimonials-section {
    background: var(--light-color);
}

/* 热门车型 */
.cars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.car-card {
    background: var(--white);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.car-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.car-icon {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 12px;
    height: 200px;
}

.car-icon img {
    transition: transform 0.3s ease;
}

.car-card:hover .car-icon img {
    transform: scale(1.1);
}

.car-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.car-discount {
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
}

.car-desc {
    font-size: 14px;
    color: #666;
}

/* 会员分享 */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.testimonial-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

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

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.testimonial-info h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 13px;
    color: #666;
    margin: 0;
}

.rating {
    color: var(--accent-color);
    margin-bottom: 16px;
    font-size: 14px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 16px;
}

.testimonial-date {
    font-size: 13px;
    color: #999;
}

/* 常见问题 */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 24px;
}

.faq-question h4 {
    font-size: 18px;
    font-weight: 700;
}

.faq-answer p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin: 0;
}

/* 最终CTA */
.final-cta {
    background: var(--gradient-2);
    color: var(--white);
    text-align: center;
}

.final-cta-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 20px;
}

.final-cta-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.final-note {
    font-size: 14px;
    margin-top: 20px;
    opacity: 0.8;
}

/* 页脚 */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-section i {
    margin-right: 8px;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 14px;
    opacity: 0.8;
}


/* 固定底部按钮 */
.fixed-bottom-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
   
    z-index: 999;
    display: flex;
    justify-content: center;
}

.fixed-bottom-btn .cta-button {
    width: 100%;
    max-width: 500px;
    justify-content: center;
}

/* 弹窗模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--white);
    margin: auto;
    padding: 0;
    border-radius: 20px;
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s;
    box-shadow: var(--shadow-lg);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: sticky;
    top: 0;
    right: 0;
    float: right;
    font-size: 36px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    padding: 10px 20px;
    background: var(--white);
    z-index: 1;
}

.modal-close:hover {
    color: var(--primary-color);
}

#modal-body {
    padding: 20px 40px 40px;
}

#modal-body h2 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--dark-color);
}

#modal-body h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 24px 0 16px;
    color: var(--primary-color);
}

#modal-body p {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 16px;
}

#modal-body ul {
    margin: 16px 0;
    padding-left: 24px;
}

#modal-body li {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 8px;
}

/* 工具类 */
.text-center {
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
    }
    
    .hero-badge {
        font-size: 13px;
        padding: 8px 16px;
        margin-bottom: 20px;
    }
    
    .hero-stats {
        gap: 20px;
        margin: 30px 0;
    }
    
    .stat-item {
        flex: 1;
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    /* Trust badges优化 - 居中显示，更紧凑 */
    .trust-badges {
        justify-content: center;
        gap: 12px;
        margin-top: 25px;
        padding: 0 10px;
    }
    
    .trust-badges span {
        font-size: 12px;
        white-space: nowrap;
        padding: 8px 12px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 20px;
        backdrop-filter: blur(5px);
    }
    
    .trust-badges span i {
        font-size: 12px;
    }
    
    /* CTA按钮优化 */
    .cta-button {
        padding: 14px 24px;
        font-size: 15px;
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }
    
    .hero-cta {
        margin-top: 15px;
    }
    
    .btn-icon {
        width: 20px;
        height: 20px;
    }
    
    /* Section优化 */
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 28px;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .section-tag {
        font-size: 12px;
        padding: 6px 16px;
    }
    
    /* 车辆网格优化 */
    .cars-grid-slider {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .car-grid-image {
        height: 150px;
    }
    
    .car-grid-content {
        padding: 16px;
    }
    
    .car-grid-content h3 {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .car-grid-price {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .car-grid-price span {
        font-size: 20px;
    }
    
    .car-grid-desc {
        font-size: 12px;
    }
    
    /* 会员最爱车型优化 */
    .cars-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .car-card {
        padding: 16px;
    }
    
    .car-icon {
        height: 150px;
        margin-bottom: 12px;
    }
    
    .car-card h4 {
        font-size: 15px;
        margin-bottom: 8px;
    }
    
    .car-discount {
        font-size: 18px;
        margin-bottom: 6px;
    }
    
    .car-desc {
        font-size: 12px;
    }
    
    /* 内容行优化 */
    .content-row,
    .content-row.reverse {
        grid-template-columns: 1fr;
        gap: 30px;
        direction: ltr;
    }
    
    .content-text h3 {
        font-size: 22px;
        margin-bottom: 16px;
    }
    
    .content-text p {
        font-size: 15px;
        margin-bottom: 16px;
    }
    
    /* 福利卡片优化 */
    .benefit-cards {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 20px 0;
    }
    
    .benefit-card {
        padding: 20px;
    }
    
    .benefit-card i {
        font-size: 28px;
    }
    
    .benefit-card h4 {
        font-size: 16px;
    }
    
    .benefit-card p {
        font-size: 13px;
    }
    
    /* 福利列表优化 */
    .benefits-list li {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .benefits-list i {
        font-size: 16px;
    }
    
    /* 高亮框优化 */
    .highlight-box {
        padding: 16px 20px;
        margin: 20px 0;
    }
    
    .highlight-box i {
        font-size: 20px;
    }
    
    .highlight-box p {
        font-size: 14px;
    }
    
    /* 评价卡片优化 */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .testimonial-info h4 {
        font-size: 15px;
    }
    
    .testimonial-info p {
        font-size: 12px;
    }
    
    .testimonial-text {
        font-size: 14px;
    }
    
    .rating {
        font-size: 13px;
    }
    
    /* FAQ优化 */
    .faq-item {
        padding: 20px;
        margin-bottom: 16px;
    }
    
    .faq-question h4 {
        font-size: 16px;
    }
    
    .faq-question i {
        font-size: 20px;
    }
    
    .faq-answer p {
        font-size: 14px;
    }
    
    /* 最终CTA优化 */
    .final-cta-content h2 {
        font-size: 28px;
        margin-bottom: 16px;
    }
    
    .final-cta-content p {
        font-size: 15px;
        margin-bottom: 24px;
    }
    
    .final-note {
        font-size: 12px;
        margin-top: 16px;
    }
    
    /* 页脚优化 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section h4 {
        font-size: 16px;
        margin-bottom: 16px;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 14px;
    }
    
    .footer-bottom {
        font-size: 12px;
        padding-top: 16px;
    }
    
    /* 通知优化 */
    #notification-container {
        right: 10px;
        left: 10px;
        max-width: none;
        top: 10px;
    }
    
    .notification {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .notification i {
        font-size: 16px;
    }
    
    /* 弹窗优化 */
    .modal-content {
        width: 95%;
        max-height: 90vh;
        border-radius: 16px;
    }
    
    .modal-close {
        font-size: 32px;
        padding: 8px 16px;
    }
    
    #modal-body {
        padding: 16px 20px 30px;
    }
    
    #modal-body h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    #modal-body h3 {
        font-size: 18px;
        margin: 20px 0 12px;
    }
    
    #modal-body p,
    #modal-body li {
        font-size: 14px;
        line-height: 1.7;
    }
    
    /* 固定底部按钮优化 */
    .fixed-bottom-btn {
        padding: 10px;
    }
    
    .fixed-bottom-btn .cta-button {
        font-size: 14px;
        padding: 14px 20px;
        max-width: 100%;
    }
    
    .fixed-bottom-btn .btn-icon {
        width: 18px;
        height: 18px;
    }
    
    /* 图片容器优化 */
    .image-placeholder {
        padding: 40px 20px;
    }
    
    .image-placeholder i {
        font-size: 48px !important;
        margin-bottom: 12px;
    }
    
    .image-placeholder p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .hero-stats {
        gap: 15px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    /* Trust badges - 小屏幕一行三个 */
    .trust-badges {
        gap: 8px;
    }
    
    .trust-badges span {
        font-size: 11px;
        padding: 6px 10px;
        flex: 1;
        text-align: center;
        min-width: 0;
    }
    
    .trust-badges span i {
        display: block;
        margin: 0 auto 4px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .cars-grid-slider,
    .cars-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .car-grid-image,
    .car-icon {
        height: 180px;
    }
    
    .cta-button {
        font-size: 14px;
        padding: 12px 20px;
    }
    
    .content-text h3 {
        font-size: 20px;
    }
    
    .benefit-cards {
        gap: 12px;
    }
    
    .final-cta-content h2 {
        font-size: 24px;
    }
    
    .final-cta-content p {
        font-size: 14px;
    }
}