/* ============================================================
   「产品功能」独立样式的全屏下拉导航
   作用范围：#nav-products .pm-mega（可与其他导航样式不同）
   规则：面板满屏幕铺底，内容宽度沿用站点 1200px 容器
   ============================================================ */

/* ===== 面板本体：全屏铺底 ===== */
#nav-products .pm-mega{
    position: fixed;
    left: 0;
    right: 0;
    top: 74px;
    width: auto;
    min-width: 0;
    max-width: none;
    transform: none;
    margin: 0;
    padding: 34px 0 38px;
    background: #FFFFFF;
    border-top: 1px solid #E6ECF5;
    box-shadow: 0 22px 48px rgba(15, 23, 42, .10);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, visibility .18s ease;
    pointer-events: none;
}
#nav-products:focus-within .pm-mega,
#nav-products.is-open .pm-mega{
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
/* 悬停桥：消除导航项与面板之间的空隙，鼠标下移不会失去 hover */
#nav-products::after{
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 30px;
}

/* ===== 内容容器：沿用站点内容宽度 ===== */
.pm-inner{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 44px;
    align-items: start;
}

/* ===== 通用小标题 ===== */
.pm-label{
    margin: 0 0 4px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    color: #64748B;
}
.pm-note{
    margin: 0 0 16px;
    font-size: 12.5px;
    line-height: 1.6;
    color: #94A3B8;
}

/* ===== 左侧：软件产品（竖排） ===== */
.pm-side{
    padding-right: 40px;
    border-right: 1px solid #E6ECF5;
}
.pm-prods{
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.pm-prod{
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 11px 12px;
    border: 1px solid transparent;
    border-radius: 12px;
    text-decoration: none;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.pm-prod:hover{
    background: #F5F9FF;
    border-color: #DCE9FB;
    transform: translateX(2px);
    text-decoration: none;
}
.pm-prod-ico{
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: #E8F3FF;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pm-prod-ico svg{
    width: 19px;
    height: 19px;
    stroke: #1677FF;
}
.pm-prod-txt{
    flex: 1;
    min-width: 0;
}
.pm-prod-txt b{
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #0F172A;
    line-height: 1.4;
}
.pm-prod-txt em{
    display: block;
    font-style: normal;
    font-size: 12px;
    color: #64748B;
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pm-prod:hover .pm-prod-txt b{color: #1677FF;}
.pm-arrow{
    flex: 0 0 auto;
    font-style: normal;
    font-size: 13px;
    color: #1677FF;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .2s ease, transform .2s ease;
}
.pm-prod:hover .pm-arrow{opacity: 1;transform: translateX(0);}
.pm-prod.is-soon{
    cursor: default;
    background: #FBFCFE;
}
.pm-prod.is-soon:hover{
    background: #FBFCFE;
    border-color: transparent;
    transform: none;
}
.pm-prod.is-soon .pm-prod-ico{background: #F1F5F9;}
.pm-prod.is-soon .pm-prod-ico svg{stroke: #94A3B8;}
.pm-prod.is-soon .pm-prod-txt b{color: #64748B;}
.pm-soon{
    display: inline-block;
    font-style: normal;
    font-size: 10.5px;
    font-weight: 700;
    color: #C2410C;
    background: #FFF1E6;
    border-radius: 100px;
    padding: 1px 7px;
    margin-left: 6px;
    vertical-align: middle;
}
.pm-side-all{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    padding: 9px 14px;
    border-radius: 10px;
    background: #0F172A;
    color: #FFFFFF;
    font-size: 12.5px;
    font-weight: 600;
    text-decoration: none;
    transition: background .2s ease;
}
.pm-side-all:hover{background: #1677FF;color: #FFFFFF;text-decoration:none;}

/* ===== 右侧：功能模块（4 列网格） ===== */
.pm-main-head{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}
.pm-main-head .pm-note{margin: 0;}
.pm-mods{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.pm-mod{
    display: block;
    padding: 13px 14px;
    border: 1px solid #E6ECF5;
    border-radius: 12px;
    background: #FFFFFF;
    text-decoration: none;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease;
}
.pm-mod b{
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: #0F172A;
    line-height: 1.4;
}
.pm-mod span{
    display: block;
    font-size: 11.5px;
    color: #94A3B8;
    margin-top: 3px;
}
.pm-mod:hover{
    border-color: #91CAFF;
    background: #F8FBFF;
    box-shadow: 0 10px 24px rgba(15, 23, 42, .08);
    transform: translateY(-2px);
    text-decoration: none;
}
.pm-mod:hover b{color: #1677FF;}
.pm-mod.is-soon{
    background: #FBFCFE;
    border-style: dashed;
    cursor: default;
}
.pm-mod.is-soon b{color: #94A3B8;}
.pm-mod.is-soon:hover{
    border-color: #E6ECF5;
    background: #FBFCFE;
    box-shadow: none;
    transform: none;
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) and (min-width: 768px){
    .pm-inner{grid-template-columns: 260px 1fr;gap: 32px;}
    .pm-side{padding-right: 26px;}
    .pm-mods{gap: 10px;}
    .pm-prod-txt em{display: none;}
}
@media (max-width: 767px){
    #nav-products .pm-mega{display: none;}
}