/* 宣传横幅小部件样式 */
.promo-banner-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer !important;
}

/* 整个横幅区域可点击 */
.promo-banner-link * {
    cursor: pointer !important;
}

/* 所有子元素不阻挡链接点击 */
.promo-banner-link .promo-banner,
.promo-banner-link .promo-banner-inner,
.promo-banner-link .promo-banner-bg,
.promo-banner-link .promo-banner-shadow,
.promo-banner-link .promo-banner-content,
.promo-banner-link .promo-banner-title,
.promo-banner-link .promo-banner-button,
.promo-banner-link .cross-line {
    pointer-events: none;
}

/* 链接本身接收点击事件 */
.promo-banner-link {
    pointer-events: auto;
}

.promo-banner {
    position: relative;
}

.promo-banner-inner {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 400px;
}

/* 背景图片 */
.promo-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

/* 悬停放大效果 */
.promo-banner:hover .promo-banner-bg,
.promo-banner-link:hover .promo-banner-bg {
    transform: scale(var(--banner-scale, 1.1));
}

/* 悬停覆盖层 - 使用伪元素，不阻挡点击 */
.promo-banner-inner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none !important;
}

/* 悬停时显示覆盖层 */
.promo-banner:hover .promo-banner-inner::after,
.promo-banner-link:hover .promo-banner-inner::after {
    opacity: 1;
}

/* 内容区域 */
.promo-banner-content {
    position: absolute;
    bottom: 30px;
    left: 50px;
    z-index: 3;
    padding-left: 15px;
}

/* 左侧边框线 - 使用伪元素 */
.promo-banner-content::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 3px;
    height: var(--border-height, 80px);
    background-color: #d4a574;
    border-radius: 2px;
    transition: height var(--border-transition, 0.4s) ease,
                background-color var(--button-transition, 0.4s) ease;
}

/* 悬停时左侧边框高度增加 */
.promo-banner:hover .promo-banner-content::before,
.promo-banner-link:hover .promo-banner-content::before {
    height: calc(var(--border-height, 80px) + var(--border-hover-height, 30px));
}

/* 标题样式 - 初始位置较低，悬停时上移 */
.promo-banner-title {
    position: relative;
    margin: 0;
    font-size: 28px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.3;
    transform: translateY(25px);
    transition: transform var(--button-transition, 0.4s) ease;
}

/* 悬停时标题上移到正常位置 */
.promo-banner:hover .promo-banner-title,
.promo-banner-link:hover .promo-banner-title {
    transform: translateY(0);
}

/* 按钮样式 - 悬停时从下往上滑动显示 */
.promo-banner-button {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--button-transition, 0.4s) ease, 
                transform var(--button-transition, 0.4s) ease;
}

/* 悬停时按钮从下往上滑动到位 */
.promo-banner:hover .promo-banner-button,
.promo-banner-link:hover .promo-banner-button {
    opacity: 1;
    transform: translateY(0);
}

.promo-banner-button .button-icon {
    display: inline-flex;
    align-items: center;
    overflow: visible;
}

.promo-banner-button .button-icon svg,
.promo-banner-button .button-icon i {
    width: 1em;
    height: 1em;
}

/* 悬停时图标左右抖动效果 */
.promo-banner:hover .promo-banner-button .button-icon,
.promo-banner-link:hover .promo-banner-button .button-icon {
    animation: iconShake 1.2s ease-in-out infinite;
    overflow: visible;
}

@keyframes iconShake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-2px);
    }
    75% {
        transform: translateX(2px);
    }
}

/* 交叉线样式 */
.cross-line {
    position: absolute;
    background-color: #ffffff;
    z-index: 3;
    opacity: 0;
    transition: opacity var(--cross-transition, 0.3s) ease,
                width var(--cross-transition, 0.3s) ease, 
                height var(--cross-transition, 0.3s) ease,
                transform var(--cross-transition, 0.3s) ease;
}

/* 悬停时交叉线显示 */
.promo-banner:hover .cross-line,
.promo-banner-link:hover .cross-line {
    opacity: 1;
}

/* 横线 - 悬停时从左向右移动 */
.cross-line-h {
    top: 20px;
    right: 20px;
    width: var(--cross-length, 40px);
    height: 1px;
    transform: translateX(calc(var(--cross-hover-length, 15px) * -1));
}

/* 竖线 - 悬停时向上移动 */
.cross-line-v {
    top: 20px;
    right: 20px;
    width: 1px;
    height: var(--cross-length, 40px);
    transform: translateY(var(--cross-hover-length, 15px));
}

/* 悬停时横线从左向右移动到原位 */
.promo-banner:hover .cross-line-h,
.promo-banner-link:hover .cross-line-h {
    transform: translateX(0);
}

/* 悬停时竖线向上移动到原位 */
.promo-banner:hover .cross-line-v,
.promo-banner-link:hover .cross-line-v {
    transform: translateY(0);
}

/* 底部阴影 - 在横幅下方，底部圆角，居中显示 */
.promo-banner-shadow {
    height: 6px;
    background-color: var(--shadow-color-normal, #999999);
    margin-top: 0;
    margin-left: 10px;
    margin-right: 10px;
    border-radius: 0 0 3px 3px;
    transform-origin: top;
    transform: scaleY(1);
    transition: background-color 0.5s ease, transform 0.25s ease;
    transition-duration: var(--shadow-transition, 0.5s);
}

/* 悬停时阴影效果 */
.promo-banner:hover .promo-banner-shadow,
.promo-banner-link:hover .promo-banner-shadow {
    background-color: var(--shadow-color-hover, #4a7c59);
    animation: shadowPulseIn 0.5s ease forwards;
    animation-duration: var(--shadow-transition, 0.5s);
}

/* 离开悬停时阴影效果 */
.promo-banner:not(:hover) .promo-banner-shadow {
    animation: shadowPulseOut 0.5s ease forwards;
    animation-duration: var(--shadow-transition, 0.5s);
}

@keyframes shadowPulseIn {
    0% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0);
    }
    100% {
        transform: scaleY(1);
    }
}

@keyframes shadowPulseOut {
    0% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0);
    }
    100% {
        transform: scaleY(1);
    }
}