/**
 * 官网显示修复（缩放、大屏、断档兜底）
 *
 * 原因：index.css / style.css 原先用 max-width:1920px 限制桌面样式，
 * 浏览器缩小到 80% 时 CSS 视口宽度会超过 1920px（如 1920÷0.8=2400），
 * 导致整页样式失效、导航竖排、区块空白。
 */

body {
    overflow-x: hidden;
    overflow-y: auto !important;
}

/* ========== 桌面端通用兜底（任意 >=1024 宽度均生效，含缩放后大屏） ========== */
@media screen and (min-width: 1024px) {
    .container {
        box-sizing: border-box;
    }

    .page-personnel .personnel {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: flex-start;
    }

    .page-personnel .personnel .personnel-item {
        flex-shrink: 0;
    }

    .page-title {
        text-align: center;
    }

    .page-title text {
        display: block;
        white-space: normal;
        word-break: break-word;
    }

    /* 管理闭环圆环：限制宽度并居中，避免缩放后定位错乱 */
    .index-management {
        overflow: hidden;
    }

    .index-management .management {
        overflow: visible;
    }

    .management .IMG-LI {
        width: 600px;
        max-width: min(600px, 90vw);
        margin-left: auto;
        margin-right: auto;
    }

    .management .IMG-LI img {
        width: 100%;
        height: auto;
        max-width: 600px;
    }

    .management .IMG-LI ul {
        width: 600px;
        max-width: 100%;
        height: 600px;
    }

    .management .title ul {
        display: flex;
        flex-wrap: nowrap;
        align-items: flex-end;
        justify-content: center;
    }

    .management .title ul li {
        flex: 1 1 0;
        min-width: 0;
        max-width: 20%;
    }

    /* 视频介绍：防止装饰图与卡片重叠 */
    .page-video {
        overflow: hidden;
    }

    .page-video .video-introduce {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        position: relative;
        z-index: 2;
    }

    .page-video .video-introduce-item {
        flex-shrink: 0;
    }

    /* 固定 1920px 宽度的滚动区改为不撑破视口 */
    .index-honor .honor .honor-list,
    .advantage-bottom-list,
    .scroll28 {
        max-width: 100%;
    }
}

/* ========== 导航基础（覆盖媒体查询断档、缩放、大屏） ========== */
.header {
    width: 100%;
    top: 0;
    z-index: 333;
    overflow: visible;
    position: fixed !important;
    transition: background-color 0.3s ease, border-color 0.3s ease !important;
}

.header-fixed {
    position: fixed;
    z-index: 999;
    background: rgba(52, 16, 103, 0.55);
    border-bottom: none;
}

/* 滚动后切换为白底，不再切换 position 避免白色条跳动 */
.header-fixed.header-scrolled {
    background: #fff;
    border-bottom: 1px solid #cecece;
}

/* 三列 Grid：Logo | 主导航 | 右侧按钮，避免 flex 把中间导航挤没 */
.header .container {
    width: 94%;
    max-width: 1600px;
    margin: 0 auto;
    display: grid !important;
    grid-template-columns: auto minmax(280px, 1fr) auto;
    align-items: center;
    column-gap: 12px;
    box-sizing: border-box;
    overflow: visible;
}

.head-logo {
    flex-shrink: 0;
    width: auto !important;
    max-width: none;
    grid-column: 1;
}

/* 桌面端只用 h1 背景 Logo，隐藏 CMS 图片 h2 */
@media screen and (min-width: 768px) {
    .head-logo h2 {
        display: none !important;
    }

    .head-logo h1 a {
        display: block !important;
        width: 233px;
        height: 52px;
        background-repeat: no-repeat !important;
        background-position: right center !important;
        background-size: contain !important;
    }

    /* 顶部紫色背景：白色 Logo（logo.svg） */
    .header-fixed:not(.header-scrolled) .head-logo h1 a {
        background-image: url("../images/logo.svg") !important;
    }

    /* 滚动后白底：深色 Logo（logo1.svg） */
    .header-fixed.header-scrolled .head-logo h1 a {
        background-image: url("../images/logo1.svg") !important;
    }
}

.head-nav.nav {
    grid-column: 2;
    display: block !important;
    width: 100% !important;
    min-width: 0;
    max-width: 100%;
    padding-left: 0 !important;
    margin-right: 0 !important;
    overflow: visible;
    flex: none !important;
}

.header .container > .head-nav:last-child {
    grid-column: 3;
    flex-shrink: 0;
}

.head-nav .nav-list {
    display: flex !important;
    flex-wrap: nowrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: nowrap;
    width: 100%;
}

/* 中间主导航：按可用宽度均分间距（与原站 space-between 一致） */
.head-nav.nav .nav-list {
    justify-content: space-between !important;
    margin-top: 0 !important;
    padding-left: clamp(16px, 5.75vw, 92px);
    padding-right: clamp(8px, 1.5vw, 24px);
    box-sizing: border-box;
}

.header .container > .head-nav:last-child .nav-list {
    justify-content: flex-end !important;
    margin-top: 0 !important;
    gap: clamp(8px, 1.8vw, 35px);
}

.head-nav .nav-list .nav-item {
    position: relative;
    list-style: none;
    flex-shrink: 0;
}

.head-nav.nav .nav-list .nav-item {
    margin-right: 0 !important;
    flex: 0 1 auto;
}

.head-nav.nav .nav-list .nav-item a {
    font-size: clamp(14px, 0.95vw, 16px) !important;
}

/* 覆盖 index/style 里 .nav 的 44% 宽度和 92px 左内边距 */
.header .nav {
    width: auto !important;
    padding-left: 0 !important;
    margin-right: 0 !important;
}

/* 产品功能下拉：完全隐藏，不用 scaleY 动画（避免白色条露出并上下跳动） */
.head-nav.nav .nav-list .nav-item .subnav {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none;
    position: absolute;
    transform: none !important;
    transition: none !important;
    animation: none !important;
}

.head-nav.nav .nav-list .nav-item .subnav::after {
    display: none !important;
    content: none !important;
}

/* 顶部主导航链接颜色（仅一级菜单，不影响产品功能下拉） */
.header-fixed .head-nav.nav .nav-list > .nav-item > a {
    color: #fff !important;
}

.header-fixed.header-scrolled .head-nav.nav .nav-list > .nav-item > a {
    color: #000 !important;
}

/* 产品功能下拉：白底深色文字，悬停 overlay 内为白色 */
.head-nav.nav .nav-list .nav-item .subnav .subnav-item a,
.head-nav.nav .nav-list .nav-item .subnav .subnav-item a .icon-title {
    color: #8b8e8d !important;
}

.head-nav.nav .nav-list .nav-item .subnav .subnav-item:hover .overlay .text-icon .icon-title a {
    color: #fff !important;
}

/* ========== 桌面端（含笔记本常见宽度） ========== */
@media screen and (min-width: 768px) {
    .header,
    .header-fixed {
        height: 90px;
        line-height: 70px;
    }

    .mbnav {
        display: none !important;
    }

    .head-nav.nav {
        display: block !important;
    }

    /* 右侧电话+按钮区始终横排 */
    .header .container > .head-nav:last-child {
        display: block !important;
    }

    .head-nav.nav .nav-list .nav-item:hover .subnav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        pointer-events: auto;
        transform: none !important;
    }

    .head-nav.nav .nav-list .nav-item:hover .subnav::after {
        display: block !important;
        content: "" !important;
    }

    .head-nav .nav-list .nav-item1 a {
        margin-right: 0 !important;
        font-size: clamp(13px, 0.9vw, 14px) !important;
        white-space: nowrap;
    }

    .head-nav .nav-list .nav-item2,
    .head-nav .nav-list .nav-item-pk {
        width: auto !important;
        min-width: 0;
        padding: 0 clamp(10px, 1.2vw, 14px);
        margin-right: 0 !important;
    }

    .head-nav .nav-list .nav-item3 {
        margin-right: 0 !important;
        width: auto !important;
        min-width: 72px;
        padding: 0 clamp(10px, 1.2vw, 14px);
    }

    .head-logo {
        width: auto !important;
        max-width: none;
    }

    /* Banner：PC/手机二选一 */
    .index-banner + .Mobile-banner {
        display: none !important;
    }
}

/* 窄屏时略微压缩右侧按钮，主导航仍保持 space-between */
@media screen and (min-width: 768px) and (max-width: 1400px) {
    .head-nav .nav-list .nav-item2,
    .head-nav .nav-list .nav-item-pk {
        padding: 0 clamp(8px, 1vw, 10px);
        font-size: 13px;
    }

    .head-nav .nav-list .nav-item-pk a {
        font-size: clamp(12px, 0.85vw, 13px) !important;
    }
}

/* 超大屏：导航文字颜色跟随滚动状态 */
@media screen and (min-width: 1921px) {
    .header-fixed:not(.header-scrolled) .head-nav.nav .nav-list > .nav-item > a {
        color: #fff !important;
        font-size: 16px;
    }

    .header-fixed.header-scrolled .head-nav.nav .nav-list > .nav-item > a {
        color: #000 !important;
        font-size: 16px;
    }

    .head-logo h2 {
        display: none !important;
    }

    .index-banner + .Mobile-banner {
        display: none !important;
    }
}

/* ========== 手机端 ========== */
@media screen and (max-width: 767px) {
    .index-banner {
        display: none !important;
    }

    .Mobile-banner {
        display: block;
    }

    .head-nav.nav {
        display: none;
    }

    .header .container > .head-nav:last-child {
        display: none;
    }

    .mbnav {
        display: flex;
        align-items: center;
    }
}

/* ========== AI百团PK 按钮（样式同免费试用 nav-item2） ========== */
.head-nav .nav-list .nav-item-pk {
    height: 40px;
    line-height: 40px;
    border-radius: 30px;
    background: red;
    display: block;
    text-align: center;
}

.head-nav .nav-list .nav-item-pk a {
    display: block;
    color: #fff !important;
    font-weight: bold;
    font-size: 14px;
    text-align: center;
    white-space: nowrap;
}

.header-fixed.header-scrolled .head-nav .nav-list .nav-item1 a {
    color: #300f60 !important;
}

.header-fixed:not(.header-scrolled) .head-nav .nav-list .nav-item1 a {
    color: #fff !important;
}

.header-fixed.header-scrolled .head-nav .nav-list .nav-item3 a {
    color: #300f60 !important;
}

.header-fixed:not(.header-scrolled) .head-nav .nav-list .nav-item3 a {
    color: #fff !important;
}

.header-fixed:not(.header-scrolled) .head-nav .nav-list .nav-item3 {
    border-color: #fff !important;
}

/* Banner 图片不撑破布局 */
.index-banner header img,
.Mobile-banner img,
.index-img header img {
    max-width: 100%;
    height: auto;
}

/* ========== 轮播/Banner 缩放修复 ========== */
@media screen and (min-width: 768px) {
    .index-banner,
    .index-banner .swiper-container,
    .index-banner .swiper-container-banner,
    .index-banner .swiper-wrapper,
    .index-banner .swiper-slide,
    .index-img {
        width: 100% !important;
        max-width: 100%;
    }

    .index-img {
        position: relative;
        overflow: hidden;
    }

    .index-img header {
        width: 100%;
        overflow: hidden;
        position: relative;
    }

    /* 背景图铺满视口；关闭上下位移动画，避免导航区出现白色波浪条 */
    .index-img header > img:first-child {
        position: absolute !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        max-width: none !important;
        object-fit: cover;
        object-position: center bottom;
        animation: none !important;
    }

    /* 标题区居中，不用 left:11% 固定偏移 */
    .index-banner .header-title,
    .swiper-container-banner .header-title {
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        margin: 0 !important;
        top: 50% !important;
        transform: translateY(-50%);
        padding-top: 45px;
        box-sizing: border-box;
    }

    .index-banner .header-title .container,
    .swiper-container-banner .header-title .container {
        width: 94% !important;
        max-width: 950px;
        margin: 0 auto !important;
        padding-left: 0 !important;
    }

    .ship-img,
    .ship-bw,
    .boat-img {
        pointer-events: none;
    }
}