/* 核心定位与容器 */
.custom-hero-banner {
    position: relative;
    width: 100%;
    min-height: 520px;
    height: 38vw;
    /* 依屏幕比例缩放 */
    overflow: hidden;
    background-color: #141414;
}

/* 轮播容器 */
.custom-banner-carousel-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    background-color: #141414;
}

/* 轮播视口与轨道排版 */
.custom-banner-slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-bottom: 20px;
}

.custom-banner-slider-track {
    display: flex;
    width: 100%;
    scroll-behavior: smooth;
}

.custom-banner-slider-track>div {
    width: 100%;
}

/* 单个 Slide 占满视口宽度并拉平高保真比例 */
.custom-banner-slide-item {
    position: relative;
    flex-shrink: 0;
    width: 100%;
    min-height: 520px;
    height: 38vw;
    overflow: hidden;
}

.custom-banner-slide-box {
    width: 100%;
}

/* 背景图满铺且禁止变形 */
.custom-banner-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 响应式背景图：PC端显示pc_image，移动端显示mobile_image */
.custom-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.custom-banner-bg img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.custom-banner-bg--pc {
    display: block;
}

.custom-banner-bg--mobile {
    display: none;
}

@media (max-width: 768px) {
    .custom-banner-bg--pc {
        display: none;
    }

    .custom-banner-bg--mobile {
        display: block;
    }

    .custom-banner-bg img {
        object-fit: contain;
        width: 100%;
        height: 100%;
    }
}

.custom-banner-desktop-img,
.custom-banner-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

/* 视口与浮层架构 */
.custom-banner-page-width {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    padding: 0 4%;
    box-sizing: border-box;
}

.custom-banner-content-matrix {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* 纵向居中 */
    align-items: flex-start;
    /* 横向靠左对齐 */
    position: relative;
}

.banner-text-content-wrapper {
    margin-top: -20px;
    animation: fadeInUp 0.8s ease-out;
}

.banner-main-title {
    font-size: 3.2rem;
    font-weight: bold;
    color: #ffffff;
    margin: 0 0 10px 0;
    letter-spacing: 2px;
   
}

.banner-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0 0 35px 0;
    letter-spacing: 1.5px; 
}

/* 还原原图：霓虹科技蓝 + 纯白后缀 */
.banner-subtitle .highlight-blue {
    color: #1974F9;
}

.banner-subtitle .normal-white {
    color: #ffffff;
}

/* Shop Now 胶囊型亮蓝色按钮 */
.banner-action-btn {
    display: inline-block;
    background-color: #1974F9;
    color: #ffffff !important;
    font-size: 1rem;
    font-weight: normal;
    padding: 12px 36px;
    border-radius: 50px;
    /* 极圆胶囊形 */
    text-decoration: none;
    transition: background-color 0.25s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(63, 98, 246, 0.4);
}

.banner-action-btn:hover {
    background-color: #2546d0;
    transform: translateY(-1px);
}

/* ==========================================================================
   底部半透明毛玻璃特性栏
   ========================================================================== */
.banner-features-blur-bar {
    position: absolute;
    bottom: 50px;
    left: 0;
    background: rgba(18, 18, 18, 0.65);
    /* 半透明黑 */
    backdrop-filter: blur(10px);
    /* 毛玻璃滤镜 */
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 15px 25px;
    gap: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.feature-bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 特性栏内部微标，采用深蓝/紫科技色点缀 */
.feature-icon svg {
    width: 20px;
    height: 20px;
    color: #1974F9;
    display: block;
}

.feature-text-box h4 {
    font-size: 18px;
    font-weight: normal;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
}

.feature-text-box p {
    font-size: 18px;
    font-weight: normal;
    color: #ffffff;
    margin: 0;
    line-height: 1.2;
}

/* 分割线 */
.feature-bar-divider {
    width: 1px;
    height: 28px;
    background-color: rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   右下角悬浮幻灯片方向键
   ========================================================================== */
.custom-banner-slider-controls {
    position: absolute;
    bottom: 0px;
    right: 4%;
    z-index: 3;
    display: flex;
    gap: 12px;
}

.custom-banner-arrow {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: #383838;
    border: 1px solid #383838;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.25s, transform 0.2s;
}

.custom-banner-arrow:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* ==========================================================================
   极端屏幕尺寸自适应（移动端响应式）
   ========================================================================== */
@media (max-width: 768px) {
    .custom-hero-banner {
        height: auto;
        min-height: 600px;
    }

    .custom-banner-slide-item {
        height: auto;
        min-height: 545px;
    }

    .banner-main-title {
        font-size: 2.2rem;
    }

    .banner-subtitle {
        font-size: 1.3rem;
    }

    /* 移动端上特性栏平铺展开，并转化为纯色避免滤镜消耗内存 */
    .banner-features-blur-bar {
        position: relative;
        bottom: 0;
        margin-top: 40px;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        background: rgba(20, 20, 20, 0.9);
        display: none;
    }

    .feature-bar-divider {
        display: none;
    }

    .banner-text-content-wrapper {
        text-align: center;
    }

    .custom-banner-content-matrix {
        padding-bottom: 50px;
        justify-content: flex-end;
        align-items: center;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}