/* 动画定义 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* 板块1样式 */
.section-1-title {
    position: absolute;
    left: 176px;
    top: 155px;
    width: 1200px; /* 进一步增加宽度防止缩放时换行 */
    height: 191px;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: normal;
    color: #000000;
    line-height: 1.1; /* Adjust line height for better spacing */
}

.s1-title-line1 {
    font-size: 75px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s;
}

.s1-title-line1.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.s1-title-line2 {
    font-size: 100px;
    margin-top: 10px; /* Space between lines */
    white-space: nowrap; /* 强制不换行 */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
}

.s1-title-line2.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.text-black {
    color: #000000;
}

.text-blue {
    color: #0078D7;
}

.section-1-desc {
    position: absolute;
    left: 175px;
    top: 460px;
    width: 614px; /* 缩小宽度，与主页板块3一致 */
    height: 84px;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: normal;
    font-size: 25px;
    color: #000000;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.6s, transform 0.8s ease-out 0.6s;
}

/* 中文版：增加宽度确保不换行 */
html:not([lang="en"]) .section-1-desc {
    width: 900px; /* 增加宽度，确保"将助您精准触达目标用户、实现高效获取高价值目标用户"不换行 */
    white-space: nowrap; /* 不换行 */
}

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

.section-1-btn {
    position: absolute;
    left: 176px;
    top: 686px;
    width: 316px;
    height: 84px;
    background: #0078D7;
    border-radius: 10px; /* Consistent radius */
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Align content to left roughly */
    text-decoration: none;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.8s, transform 0.8s ease-out 0.8s;
}

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

.s1-btn-text {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: normal;
    font-size: 40px;
    color: #FFFFFF;
    margin-left: 41px; /* 217 - 176 = 41px left padding */
    line-height: 1;
}

.s1-btn-icon {
    position: absolute;
    left: 222px; /* Relative to button? No, user gave abs pos 398. 398 - 176 = 222 */
    top: 14px; /* 630 - 616 = 14 */
    width: 54px;
    height: 54px;
}

.section-1-image {
    position: absolute;
    left: 842px;
    top: 208px;
    width: 919px;
    height: 725px;
    object-fit: contain;
    z-index: 1;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s ease-out 0.5s, transform 1s ease-out 0.5s;
}

.section-1-image.animate-in {
    opacity: 1;
    transform: translateX(0);
    animation: floatUpDown 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

/* Responsive */
@media screen and (max-width: 1920px) {
    .section-1-title {
        left: 9.17vw;
        top: 8.07vw;
        width: 62.50vw; /* 1200/1920 */
        height: 9.95vw;
    }

    .s1-title-line1 { font-size: 3.91vw; }
    .s1-title-line2 { font-size: 5.21vw; margin-top: 0.52vw; }

    .section-1-desc {
        left: 9.11vw;
        top: 23.96vw;
        width: 31.98vw; /* 614/1920 */
        height: 4.38vw;
        font-size: 1.30vw;
    }
    
    /* 中文版：增加宽度确保不换行 */
    html:not([lang="en"]) .section-1-desc {
        width: 46.88vw; /* 900/1920 - 增加宽度，确保不换行 */
        white-space: nowrap; /* 不换行 */
    }

    .section-1-btn {
        left: 9.17vw;
        top: 33.92vw;
        width: 16.46vw;
        height: 4.38vw;
        border-radius: 0.52vw;
    }

    .s1-btn-text {
        font-size: 2.08vw;
        margin-left: 2.14vw;
    }

    .s1-btn-icon {
        left: 11.56vw;
        top: 0.73vw;
        width: 2.81vw;
        height: 2.81vw;
    }

    .section-1-image {
        left: 43.85vw;
        top: 10.83vw;
        width: 47.86vw;
        height: 37.76vw;
    }
}

@media screen and (min-width: 1920px) {
    .section-1-title { width: 1200px; } /* 确保大屏幕下也有足够宽度 */
    .s1-title-line1 { font-size: 75px; }
    .s1-title-line2 { font-size: 100px; }
    .section-1-desc { font-size: 25px; }
    .s1-btn-text { font-size: 40px; }
}