/* ===== Banner 轮播 首页HomeBan ===== */
/* 移动端 ≤768px */
@media (max-width: 768px) {
    body div.HomeBan.HomeBan1>div.swiper-container {
        height: 28vh !important;
        overflow: hidden !important;
    }
    body div.HomeBan.HomeBan1 .bx-wrapper {
        width: 100% !important;
        height: 100% !important;
    }
    body div.HomeBan.HomeBan1 .bx-viewport {
        height: 0 !important;
        min-height: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
        position: relative !important;
    }
    body div.HomeBan.HomeBan1 .swiper-wrapper {
        height: 28vh !important;
    }
}
/* 小手机 ≤480px */
@media (max-width: 480px) {
    body div.HomeBan.HomeBan1>div.swiper-container {
        height: 28vh !important;
        overflow: hidden !important;
    }
    body div.HomeBan.HomeBan1 .bx-wrapper {
        width: 100% !important;
        height: 100% !important;
    }
    body div.HomeBan.HomeBan1 .bx-viewport {
        height: 0 !important;
        min-height: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
        position: relative !important;
    }
    body div.HomeBan.HomeBan1 .swiper-wrapper {
        height: 28vh !important;
    }
}
body div.HomeBan.HomeBan1 .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* PC端banner基础 */
@media (min-width:769px) {
    body div.HomeBan.HomeBan1>div.swiper-container {
        overflow: hidden !important;
    }
    body div.HomeBan.HomeBan1 .bx-wrapper {
        width: 100% !important;
    }
    body div.HomeBan.HomeBan1 .bx-viewport {
        height: 80vh !important;
        min-height: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
        position: relative !important;
    }
    body div.HomeBan.HomeBan1 .swiper-wrapper {
        width: 100vw;
    }
}

/* ========== 产品页面顶部通用header_bar ========== */
.component-header.header_bar {
    width: 100%;
    height: 80vh;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    overflow: hidden;
}
@media (max-width:768px) {
    .header_bar {
        background-size: contain;
        background-repeat: no-repeat;
        height: 28vh !important;
    }
}

/* ===== 产品模块容器修复 ===== */
.WarpBox2 {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center;
    gap: 40px;
}
.block3 {
    flex: 1;
    min-width: 280px;
    text-align: center;
}
.block3 .floor,
.block3 .water,
.block3 .pvc {
    min-height: auto !important;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: top center;
    position: relative;
}
/* PC端产品卡片高度 */
@media (min-width:769px) {
    .block3 .water,
    .block3 .floor,
    .block3 .pvc {
        height: 420px !important;
        min-height: 420px !important;
    }
    .block3 .water a,
    .block3 .floor a,
    .block3 .pvc a {
        display: block;
        width: 100%;
        height: 100%;
        position: relative;
        z-index: 2;
    }
}
/* 移动端产品卡片 */
@media (max-width: 768px) {
    .WarpBox2 {
        flex-direction: column;
        gap: 30px;
    }
    .block3 .floor,
    .block3 .water,
    .block3 .pvc {
        height: 320px !important;
    }
    .advan-title {
        margin-top: 30px !important;
    }
    /* 导航文字修复：透明偏移问题 */
    .component-navigation--items-top li a.navigation-item,
    .component-navigation--items-bottom li a.navigation-item-sm {
        opacity: 1 !important;
        margin-left: 0 !important;
        transition: none !important;
    }
    .block3 div {
        height: auto !important;
    }
}
.water a {
    height: 300px !important;
}
.floor a {
    height: 300px !important;
}
.pvc a {
    height: 300px !important;
}

/* ========== Footer 基础样式 ========== */
.footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 30px 20px;
    color: #666;
}
.footer-nav {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}
.footer-column h3 {
    font-size: 16px;
    color: #222;
    margin: 0 0 12px 0;
    font-weight: 600;
}
.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-column ul li {
    margin-bottom: 8px;
}
.footer-column ul li a {
    color: #666;
    font-size: 14px;
    text-decoration: none;
}
.footer-column ul li a:hover {
    color: #c4001a;
}
.footer-copyright {
    font-size: 13px;
    line-height: 1.6;
    color: #666;
    text-align: center;
}
.footer-copyright a {
    color: #666;
    text-decoration: none;
}
.footer-copyright a:hover {
    color: #c4001a;
}
/* ========== Footer移动端 2列布局 ========== */
@media (max-width: 768px) {
    .footer .footer-nav {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
    .footer-copyright {
        font-size: 11px !important;
        text-align: center !important;
    }
}
@media (max-width: 480px) {
    .footer .footer-nav {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
    .footer-column {
        margin-bottom: 15px !important;
    }
}

/* ========== 导航抽屉 + 汉堡菜单【核心合并优化】 ========== */
/* PC端 >768px */
@media (min-width: 769px) {
    .hamburger {
        display: none !important;
    }
    #nav-menu {
        position: static !important;
        transform: none !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        overflow: visible !important;
    }
    #nav-menu .component-navigation--items-top,
    #nav-menu .component-navigation--items-bottom {
        display: flex !important;
    }
    /* PC正常展示悬浮子菜单 */
    .navigation-sub {
        display: none;
    }
    .navigation-item-contain:hover .navigation-sub {
        display: block;
    }
}

/* 移动端 ≤768px */
@media (max-width: 768px) {
    .hamburger {
        display: block !important;
        position: relative !important;
        z-index: 99999 !important;
        pointer-events: auto !important;
        width: 48px;
        height: 48px;
        cursor: pointer !important;
    }
    #menu-toggle {
        position: absolute !important;
        inset: 0 !important;
        opacity: 0 !important;
        margin: 0 !important;
        z-index: 10 !important;
        pointer-events: auto !important;
    }
    .hamburger span {
        position: relative;
        z-index: 1;
        pointer-events: none !important;
        display: block;
        height: 3px;
        background: #c4001a;
        margin: 7px 0;
        transition: 0.3s;
    }

    /* 抽屉容器 */
    #nav-menu {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100vh !important;
        background: #fff !important;
        z-index: 99998 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s ease !important;
        overflow-y: auto !important;
        padding: 80px 30px 30px !important;
        box-sizing: border-box !important;
    }
    #nav-menu.menu-open {
        transform: translateX(0) !important;
    }

    /* 导航列表垂直排列 */
    #nav-menu .component-navigation--items-top,
    #nav-menu .component-navigation--items-bottom {
        flex-direction: column !important;
        gap: 24px !important;
    }
    #nav-menu ul {
        display: block !important;
    }
    #nav-menu .navigation-item-contain {
        width: 100% !important;
    }
    /* 移动端禁用hover子菜单，避免弹窗干扰 */
    .navigation-sub {
        position: static !important;
        display: none !important;
    }
    .navigation-item-contain:hover .navigation-sub {
        display: none !important;
        visibility: hidden !important;
    }
    /* 移动端菜单文字优化 */
    #nav-menu .navigation-item {
        font-size: 18px !important;
        color: #222 !important;
        padding: 12px 0 !important;
        display: block !important;
    }
    #nav-menu .navigation-item-sm {
        font-size: 14px !important;
        padding: 10px 0 !important;
        display: block !important;
    }
}


/* ========== 导航字体统一控制 ========== */

/*  PC 主导航文字统一 */
.component-navigation--items-top .navigation-item {
    font-size: 14px !important;
    color: #222 !important;
    font-weight: 400 !important;
    letter-spacing: 0.5px;
}

/* PC 底部导航文字统一 */
.component-navigation--items-bottom .navigation-item-sm {
    font-size: 14px !important;
    color: #222 !important;
    font-weight: 400 !important;
}

/* 鼠标 hover 文字不突然变大 */
.component-navigation--items-top .navigation-item:hover,
.component-navigation--items-bottom .navigation-item-sm:hover {
    font-size: 14px !important;
    color: #c4001a !important;
}

/* 子菜单文字统一 */
.navigation-sub .navigation-item {
    font-size: 13px !important;
    color: #222 !important;
    padding: 8px 0 !important;
    display: block !important;
}

.navigation-sub .navigation-item:hover {
    font-size: 13px !important;
    color: #c4001a !important;
}

/* 移动端抽屉导航文字统一 */
@media (max-width: 768px) {
    #nav-menu .navigation-item {
        font-size: 16px !important;
        color: #222 !important;
        padding: 12px 0 !important;
        display: block !important;
    }

    #nav-menu .navigation-item-sm {
        font-size: 14px !important;
        color: #222 !important;
        padding: 10px 0 !important;
        display: block !important;
    }

    #nav-menu .navigation-sub .navigation-item {
        font-size: 14px !important;
        padding: 10px 0 10px 20px !important;
    }
}