/* ============================================
   腾隍纽扣 - 合作伙伴 Logo 墙模块 (Partners Wall)
   ============================================ */

.partners-section {
    padding: 100px 0;
    background-color: #ffffff;
    overflow: hidden;
}

/* Logo 墙总容器 */
.partners-wall {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 30px; /* 行间距 */
}

/* 左右渐变遮罩 */
.partners-wall::before,
.partners-wall::after {
    content: "";
    position: absolute;
    top: 0;
    width: 15%; /* 遮罩宽度 */
    height: 100%;
    z-index: 10;
    pointer-events: none;
}

.partners-wall::before {
    left: 0;
    background: linear-gradient(to right, #ffffff 10%, rgba(255, 255, 255, 0) 100%);
}

.partners-wall::after {
    right: 0;
    background: linear-gradient(to left, #ffffff 10%, rgba(255, 255, 255, 0) 100%);
}

/* 单行滚动轨道 */
.partners-row {
    width: 100%;
    overflow: hidden;
    display: flex;
}

.partners-track {
    display: flex;
    width: max-content;
    animation: scroll-left 30s linear infinite;
    align-items: center;
}

/* 不同行速度略微差异，增加动感 */
.partners-row:nth-child(even) .partners-track {
    animation-duration: 35s;
    /* animation-direction: reverse; // 如果想交错滚动可以开启 */
}

.partners-track:hover {
    animation-play-state: paused;
}

/* Logo 项样式 */
.partner-logo-item {
    width: 200px; /* 增加宽度以适配更大的图片 */
    height: 80px; /* 增加高度至 80px */
    margin: 0 50px; /* 增加水平间距 */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.partner-logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
}

.partner-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.2); /* 悬停放大倍数略微增加 */
}

/* 动画关键帧 */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 响应式适配：保持 3 行布局，仅微调间距 */
@media (max-width: 1199.98px) {
    .partners-wall {
        gap: 25px;
    }
    .partner-logo-item {
        width: 180px;
        margin: 0 40px;
    }
}

@media (max-width: 991.98px) {
    .partners-section {
        padding: 80px 0;
    }
    .partner-logo-item {
        width: 150px;
        height: 70px; /* 平板端略微缩小一点点，保持 3 行不拥挤 */
        margin: 0 30px;
    }
}

@media (max-width: 767.98px) {
    .partners-section {
        padding: 60px 0;
    }
    .partners-wall {
        gap: 20px;
    }
    .partner-logo-item {
        width: 120px;
        height: 60px; /* 手机端依然保持较大尺寸，不再缩至 30px */
        margin: 0 20px;
    }
    .partners-track {
        animation-duration: 25s;
    }
}