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

body, html {
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 头部视频背景区域 */
.header-section {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

/* 背景视频 */
.bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

/* 头部内容 */
.header-content {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 40px 20px 20px;
}

/* Logo容器 */
.logo-container {
    align-self: flex-start;
    margin-bottom: 20px;
}

.logo-img {
    height: 60px;
    width: auto;
}

/* 主标题样式 */
.main-title {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 40px;
    margin-top: 20px;
}

.title-line {
    color: white;
    font-size: 48px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 8px;
}

/* 响应式字体大小 */
@media (max-width: 480px) {
    .title-line {
        font-size: 36px;
    }
}

@media (max-width: 360px) {
    .title-line {
        font-size: 28px;
    }
}

/* CTA按钮 */
.cta-button {
    background-color: #dc3545; /* 红色 */
    color: white;
    border: none;
    border-radius: 50px;
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 200px;
}

.cta-button:hover {
    background-color: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.cta-button:active {
    transform: translateY(0);
}

/* 视频控制条 */
.video-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    z-index: 3;
    padding: 0 20px;
}

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

.progress-bar {
    flex: 1;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    position: relative;
    margin-right: 15px;
}

.progress-handle {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background-color: white;
    border-radius: 50%;
    cursor: pointer;
}

.sound-icon {
    width: 24px;
    height: 24px;
    cursor: pointer;
    color: white;
}

.sound-icon svg {
    width: 100%;
    height: 100%;
}

/* 移动设备优化 */
@media (max-width: 768px) {
    .logo-img {
        height: 50px;
    }
    
    .main-title {
        margin-bottom: 30px;
        margin-top: 15px;
    }
    
    .cta-button {
        padding: 14px 40px;
        font-size: 16px;
        min-width: 180px;
    }
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 600px) {
    .header-content {
        padding: 15px 20px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .title-line {
        font-size: 32px;
        margin-bottom: 4px;
    }
    
    .main-title {
        margin-bottom: 20px;
        margin-top: 10px;
    }
    
    .cta-button {
        padding: 12px 36px;
        font-size: 15px;
    }
}

/* 下部分纯色背景区域 */
.content-section {
    width: 100%;
    /* min-height: 100vh; */
    background-color: #f5f0e8; /* 浅米色背景 */
    padding: 40px 20px;
}

/* 案例列表部分 */
.cases-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px;
}

.cases-title {
    color: #008080; /* 青色/深青色 */
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 25px;
    text-align: left;
    padding-left: 5px;
}

.cases-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ff6b35; /* 橙色分隔线 */
    position: relative;
}

.case-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.case-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 32px;
    background-color: #ff6b35; /* 橙色背景 */
    color: white;
    font-weight: bold;
    font-size: 18px;
    border-radius: 20px;
    margin-right: 15px;
    flex-shrink: 0;
}

.case-text {
    color: #000;
    font-size: 16px;
    line-height: 1.6;
    flex: 1;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .content-section {
        padding: 30px 15px;
    }
    
    .cases-section {
        padding: 25px 15px;
    }
    
    .cases-title {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .case-number {
        width: 36px;
        height: 28px;
        font-size: 16px;
        margin-right: 12px;
    }
    
    .case-text {
        font-size: 15px;
        line-height: 1.5;
    }
    
    .case-item {
        margin-bottom: 18px;
        padding-bottom: 18px;
    }
}

@media (max-width: 480px) {
    .content-section {
        padding: 25px 12px;
    }
    
    .cases-section {
        padding: 20px 12px;
    }
    
    .cases-title {
        font-size: 18px;
        margin-bottom: 18px;
    }
    
    .case-number {
        width: 32px;
        height: 26px;
        font-size: 15px;
        margin-right: 10px;
    }
    
    .case-text {
        font-size: 14px;
    }
    
    .case-item {
        margin-bottom: 15px;
        padding-bottom: 15px;
    }
}

/* 流程步骤部分 */
.process-section {
    width: 100%;
    /* min-height: 100vh; */
    background-color: white;
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-main-title {
    color: #ff6b35; /* 橙色 */
    font-size: 32px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px;
}

.process-items-wrapper {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.process-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.process-icon-wrapper {
    width: 120px;
    height: 120px;
    background-color: #e3f2fd; /* 浅蓝色背景 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.process-icon {
    width: 70px;
    height: 70px;
    object-fit: contain;
}

.process-title {
    color: #000; /* 黑色 */
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.process-description {
    color: #000; /* 黑色 */
    font-size: 16px;
    line-height: 1.6;
    max-width: 600px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .process-section {
        padding: 50px 20px;
    }
    
    .process-main-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .process-items-wrapper {
        gap: 40px;
    }
    
    .process-icon-wrapper {
        width: 100px;
        height: 100px;
        margin-bottom: 18px;
    }
    
    .process-icon {
        width: 60px;
        height: 60px;
    }
    
    .process-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .process-description {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .process-section {
        padding: 40px 15px;
    }
    
    .process-main-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .process-items-wrapper {
        gap: 35px;
    }
    
    .process-icon-wrapper {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }
    
    .process-icon {
        width: 50px;
        height: 50px;
    }
    
    .process-title {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .process-description {
        font-size: 14px;
        line-height: 1.5;
    }
}

/* 关于我们部分 */
.about-section {
    width: 100%;
    background-color: #f0f0f0; /* 浅灰色背景 */
    padding: 60px 20px;
}

.about-content {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-title {
    color: #000;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 30px;
    text-align: center;
}

.about-text {
    max-width: 800px;
    margin: 0 auto 40px;
}

.about-text p {
    color: #000;
    font-size: 16px;
    line-height: 1.8;
    text-align: left;
}

.about-image {
    width: 100%;
    max-width: 100%;
    text-align: center;
}

.about-image img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .about-section {
        padding: 50px 20px;
    }
    
    .about-title {
        font-size: 28px;
        margin-bottom: 25px;
    }
    
    .about-text {
        margin-bottom: 30px;
    }
    
    .about-text p {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .about-section {
        padding: 40px 15px;
    }
    
    .about-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .about-text {
        margin-bottom: 25px;
    }
    
    .about-text p {
        font-size: 14px;
        line-height: 1.6;
    }
}

/* 处理流程部分 */
.procedure-section {
    width: 100%;
    background-color: #f5f0e8; /* 浅米色背景 */
    padding: 60px 20px;
}

.procedure-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 800px;
    margin: 0 auto 50px;
}

.procedure-title span {
    color: #1976d2; /* 蓝色 */
    font-size: 36px;
    font-weight: bold;
    line-height: 1.2;
}

.procedure-title span:last-child {
    padding-left: 40px;
}

.procedure-items {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.procedure-item {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.procedure-image {
    width: 80%;
    margin: 0 35px 20px;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
}

.procedure-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 15px;
}

.procedure-text {
    color: #000;
    font-size: 20px;
    line-height: 1.6;
    text-align: left;
    width: 80%;
    margin: 0 35px;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .procedure-section {
        padding: 50px 20px;
    }
    
    .procedure-title {
        margin-bottom: 40px;
    }
    
    .procedure-title span {
        font-size: 28px;
    }
    
    .procedure-title span:last-child {
        padding-left: 30px;
    }
    
    .procedure-items {
        gap: 35px;
    }
    
    .procedure-image {
        width: 80%;
        margin: 0 35px 18px;
        border-radius: 12px;
    }
    
    .procedure-image img {
        border-radius: 12px;
    }
    
    .procedure-text {
        font-size: 18px;
        width: 80%;
        margin: 0 35px;
    }
}

@media (max-width: 480px) {
    .procedure-section {
        padding: 40px 15px;
    }
    
    .procedure-title {
        margin-bottom: 30px;
    }
    
    .procedure-title span {
        font-size: 24px;
    }
    
    .procedure-title span:last-child {
        padding-left: 20px;
    }
    
    .procedure-items {
        gap: 30px;
    }
    
    .procedure-image {
        width: 80%;
        margin: 0 35px 15px;
        border-radius: 10px;
    }
    
    .procedure-image img {
        border-radius: 10px;
    }
    
    .procedure-text {
        font-size: 16px;
        line-height: 1.5;
        width: 80%;
        margin: 0 35px;
    }
}

/* 统计数据部分 */
.stats-section {
    width: 100%;
    background-color: #1976d2; /* 蓝色背景 */
    padding: 60px 20px;
}

.stats-items {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stats-item {
    width: 100%;
    background-color: white;
    border-radius: 20px;
    padding: 30px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .stats-section {
        padding: 50px 20px;
    }
    
    .stats-items {
        gap: 25px;
    }
    
    .stats-item {
        border-radius: 15px;
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .stats-section {
        padding: 40px 15px;
    }
    
    .stats-items {
        gap: 20px;
    }
    
    .stats-item {
        border-radius: 12px;
        padding: 20px;
    }
}