.section {
    padding: 50px 0;
}

.section-main {
    background-color: #272d38;
    padding:150px 0;
}

.section-main-title {
    color: #fff;
}

.section-main-desc {
    color: #fff;
}

.section.image-text.smart-forms {
    background-color: #74cffb;
    background-image: url('/img/bgbenifits.webp');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

.image-text-title.smart-forms,
.image-text-desc.smart-forms {
    color: #3f444e;
}

.section.image-text.digital-signature {
    background-color: #f2962e;
}

.image-text-title.digital-signature,
.image-text-desc.digital-signature {
    color: #ffffff;
}

.section.image-text.pdf-annotations {
    background-color: #3f444e;
}

.image-text-title.pdf-annotations,
.image-text-desc.pdf-annotations {
    color: #ffffff;
}

.section.section-grid.light {
    background-color: #7cc6f5;
}



.tian {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tian-ge {
    background-color: #fff;
    border-radius: 8px;
    padding: 10px 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-top: 4px solid #3498db;
}

@media (max-width: 768px) {
    .tian {
        grid-template-columns: 1fr; /* 改为单列布局 */
        gap: 15px; /* 适当减小间距，适应小屏幕 */
    }

    .tian-ge {
        padding: 10px 20px; /* 减小内边距，避免内容溢出 */
    }
}

.tian-ge:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.tian-ge p {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.tian-ge ul {
    list-style: none;
    padding-left: 15px;
}

    .tian-ge ul li {
        padding: 8px 0;
        position: relative;
        padding-left: 25px;
        color: #555;
    }

        .tian-ge ul li::before {
            content: '•';
            color: #3498db;
            font-size: 20px;
            position: absolute;
            left: 0;
            top: 5px;
        }




.sdk-libraries {
    position: relative;
    z-index: 19;
}

    .sdk-libraries h2 {
        text-align: center;
        font-size: 2rem;
        color: #2c3e50;
        margin-bottom: 30px;
        position: relative;
    }

        .sdk-libraries h2::after {
            content: '';
            display: block;
            width: 100px;
            height: 4px;
            background-color: #3498db;
            margin: 10px auto 0;
            border-radius: 2px;
        }
/* 分组容器样式 */
.sdk-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
/* 每个分组卡片样式 */
.sdk-group {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

    .sdk-group:hover {
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        transform: translateY(-5px);
    }
    /* 分组标题样式 */
    .sdk-group p {
        font-weight: bold;
        color: #2980b9;
        padding-bottom: 10px;
        border-bottom: 2px solid #eaeaea;
    }
    /* 列表样式 */
    .sdk-group ul {
        list-style: none;
        padding-left: 20px;
    }

        .sdk-group ul li {
            padding: 8px 0;
            position: relative;
            padding-left: 25px;
        }

            .sdk-group ul li::before {
                content: '•';
                color: #3498db;
                font-size: 20px;
                position: absolute;
                left: 0;
                top: 5px;
            }

.bg-container {
    position: absolute;
    z-index: 2;
    right: 0;
    bottom: 0;
    background-image: none;
}

/* 响应式断点1：屏幕 < 1024px → 2列布局 */
@media (max-width: 1024px) {
    .sdk-group {
        /* 2列时，每列占比 = (100% - 1个间距) / 2 */
        flex-basis: calc((100% - 20px) / 2);
    }
}

/* 响应式断点2：屏幕 < 576px → 1列布局 */
@media (max-width: 576px) {
    .sdk-group {
        /* 1列时，占满宽度 */
        flex-basis: 100%;
        min-width: auto;
    }
}


@media (min-width: 992px) and (max-width:1199px) {
    .bg-container {
        background-image: url("data:image/svg+xml,%3Csvg%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%220%200%2040%2040%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Cpath%20d%3D%22M0%2C20%20Q10%2C10%2020%2C20%20T40%2C20%22%20stroke%3D%22%23d8bfd8%22%20stroke-width%3D%221.5%22%20fill%3D%22none%22%2F%3E%3Cpath%20d%3D%22M0%2C25%20Q10%2C35%2020%2C25%20T40%2C25%22%20stroke%3D%22%23d8bfd8%22%20stroke-width%3D%221.5%22%20fill%3D%22none%22%2F%3E%3Cpath%20d%3D%22M0%2C15%20Q10%2C5%2020%2C15%20T40%2C15%22%20stroke%3D%22%23d8bfd8%22%20stroke-width%3D%221.5%22%20fill%3D%22none%22%2F%3E%3C%2Fsvg%3E");
        background-size: 450px 450px;
        background-repeat: repeat;
        backdrop-filter: blur(2px);
        -webkit-mask-image: linear-gradient(to bottom right, transparent 0%, rgba(0,0,0,1) 100%);
        mask-image: linear-gradient(to bottom right, transparent 0%, rgba(0,0,0,1) 100%);
        width: 60%;
        height: 50%;
    }
}




/*.customer-stories {
    background-color: #f0f0f0;
}*/
    /* 标题样式 */
    .customer-stories h2 {
        font-size: 2rem;
        color: #2c3e50;
        margin-bottom: 30px;
        padding-bottom: 10px;
        border-bottom: 2px solid #3498db;
        display: inline-block;
    }

/* 子模块样式 */
.story-module {
    background-color: #fff;
    border-radius: 8px;
    padding: 60px 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
}

    .story-module h3 {
        font-size: 1.5rem;
        color: #2980b9;
        margin-bottom: 15px;
    }

    .story-module p {
        color: #555;
        margin-bottom: 25px;
        line-height: 1.7;
    }

/* 自定义流程标题 */
.custom-process h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
}

    .custom-process h4::before {
        content: "▸";
        color: #3498db;
        position: absolute;
        left: 0;
        top: 2px;
        font-size: 1rem;
    }

.step-item {
    display: flex;
    align-items: baseline;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    flex-direction: row-reverse;
    justify-content: space-between;
}

    .step-item.visible {
        opacity: 1;
        transform: translateY(0);
    }

.step-circle {
    width: 60px;
    height: 60px;
    border: 3px solid #337ab7;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #337ab7;
    font-weight: bold;
}

.step-dash {
    width: 30px;
    height: 30px;
    border-left: 3px;
    border-style: dashed;
    border-left-color: #337ab7;
    color: #ffffff00;
}

.step-text {
    text-align: center;
    color: #333;
    font-size: larger;
}

.steps-container {
    width: 350px;
    margin: auto;
}



/* 整体区块容器 */
.cta-section {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 140px;
    background: -webkit-gradient(linear, left bottom, left top, color-stop(70%, #45657d), color-stop(70%, #f5f0eb));
    background: -o-linear-gradient(bottom,#45657d 70%,#f5f0eb 70%);
    background: linear-gradient(0deg, #45657d 70%, #f5f0eb 70%);
}

/* 左侧演示卡片 */
.demo-card {
    background-color: #2c3e50;
    color: #ffffff;
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    min-width:300px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-right: 20px;
    margin-left: 20px;
}

.demo-icon {
    margin-bottom: 20px;
}

.demo-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.demo-card p {
    font-size: 14px;
    margin-bottom: 25px;
    line-height: 1.5;
}



/* 右侧试用卡片 */
.trial-card {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin-left: 20px;
    margin-right: 20px;
}

    .trial-card h2 {
        font-size: 24px;
        color: #333333;
        margin-bottom: 25px;
    }

.trial-columns {
    display: flex;
    justify-content: space-between;
}

.trial-column {
    width: calc(50% - 15px);
}

    .trial-column h4 {
        font-size: 16px;
        color: #333333;
        margin-bottom: 15px;
    }

    .trial-column p {
        font-size: 14px;
        color: #666666;
        margin-bottom: 25px;
        line-height: 1.5;
    }



/* 响应式适配 */
@media (max-width: 992px) {
    .cta-section {
        flex-direction: column;
    }

    .demo-card {
        margin-right: 0;
        margin-bottom: 30px;
    }

    .trial-columns {
        flex-direction: column;
    }

    .trial-column {
        width: 100%;
        margin-bottom: 20px;
    }

        .trial-column:last-child {
            margin-bottom: 0;
        }
}

.linerbg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f0eb 0%, #f5f0eb 58%, transparent 30%, transparent 70%, #f5f0eb 70%), linear-gradient(135deg, transparent 0%, transparent 40%, #ffffff 40%, #ffffff 60%, transparent 60%), linear-gradient(135deg, transparent 0%, transparent 64%, #7cc6f5 50%);
    background-repeat: no-repeat;
}
.linerbgtop {
    width: 100%;
    height: 100%;
    background: linear-gradient(35deg, #f5f0eb 0%, #f5f0eb 62%, transparent 30%, transparent 70%, #f5f0eb 70%), linear-gradient(35deg, transparent 0%, transparent 40%, #ffffff 40%, #ffffff 66%, transparent 52%), linear-gradient(35deg, transparent 0%, transparent 50%, #7cc6f5 30%);
    background-repeat: no-repeat;
}

.container-examples {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}