/* =============================================
Global Base
============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary-dark: #003F98;
    --primary-blue: #0057CC;
    --text-dark: #1F2937;
    --text-gray: #666666;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
}
body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
    display:block;
}
.container {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}
.section-heading {
    text-align: center;
    margin-bottom: 40px;
}
.section-heading h2 {
    font-size: 26px;
    text-transform: uppercase;
    position: relative;
    margin-bottom:12px;
}
.section-heading h2::after {
    content:"";
    width:40px;
    height:2px;
    background:var(--primary-blue);
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-8px;
}
.section-heading.left-align {
    text-align:left;
}
.section-heading.left-align h2::after {
    left:0;
    transform:none;
}
.section-heading.white-text h2 {
    color:#fff;
}

/* Buttons */
.btn {
    display: inline-block;
    padding:12px 28px;
    font-weight:600;
    text-transform: capitalize;
    transition: all 0.25s ease;
    font-size:14px;
}
.btn-primary {
    background-color: var(--primary-blue);
    color:#fff;
    border:1px solid var(--primary-blue);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
}
.btn-outline {
    border:1px solid var(--text-dark);
    color:var(--text-dark);
    background:transparent;
}
.btn-outline:hover {
    background:var(--text-dark);
    color:#fff;
}
.btn-outline.white-border {
    border-color:#fff;
    color:#fff;
}
.btn-outline.white-border:hover {
    background:#fff;
    color:var(--primary-dark);
}
.btn-white {
    background:#fff;
    color:var(--primary-dark);
    font-weight:bold;
}
.btn-white:hover {
    background:#f1f1f1;
}

/* =============================================
Header
============================================= */
.storacage-header-top {
    background-color: var(--primary-dark);
    color:#fff;
    font-size:13px;
    padding:8px 0;
}
.storacage-header-top__inner {
    display:flex;
    justify-content: space-between;
    align-items:center;
}
.storacage-header-contact span {
    margin-right:20px;
}
.storacage-header-action {
    display:flex;
    gap:24px;
    align-items:center;
}
.storacage-header-nav {
    background:#fff;
    padding:16px 0;
}
.storacage-nav-inner {
    display:flex;
    justify-content: space-between;
    align-items:center;
}
.storacage-logo img {
    height:50px;
}
.storacage-menu {
    display:flex;
    gap:32px;
    align-items:center;
    text-transform:uppercase;
    font-size:14px;
    font-weight:600;
}
.storacage-menu .menu-item.active a {
    color:var(--primary-blue);
    position:relative;
}
.storacage-menu .menu-item.active a::after {
    content:"";
    width:100%;
    height:3px;
    background:var(--primary-blue);
    position:absolute;
    bottom:-18px;
    left:0;
}
.storacage-search-btn, .storacage-mobile-menu-btn {
    background:none;
    border:none;
    font-size:18px;
    cursor:pointer;
}
.storacage-mobile-menu-btn {
    display:none;
}



.menu-item-has-children{
    position:relative;
}



/* =============================================
Footer
============================================= */
.storacage-footer {
    background:#111827;
    color:#cccccc;
    padding:60px 0 20px;
}
.storacage-footer-grid {
    display:grid;
    grid-template-columns: 1.4fr repeat(4,1fr);
    gap:32px;
    margin-bottom:40px;
}
.storacage-footer-logo img {
    height:45px;
    margin-bottom:16px;
}
.storacage-footer-col h4 {
    color:#fff;
    font-size:16px;
    margin-bottom:18px;
    text-transform:uppercase;
}
.footer-links li {
    margin-bottom:9px;
    font-size:14px;
}
.footer-links a:hover {
    color:#fff;
}
.footer-contact li {
    margin-bottom:10px;
    display:flex;
    gap:10px;
    font-size:14px;
}
.storacage-social-links {
    display:flex;
    gap:14px;
    margin-top:20px;
}
.storacage-social-links a {
    width:34px;
    height:34px;
    border:1px solid #666;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
}
.storacage-footer-bottom {
    border-top:1px solid #292929;
    padding-top:20px;
    display:flex;
    justify-content:space-between;
    font-size:13px;
}
.storacage-footer-bottom-right a {
    margin-left:16px;
}

/* ========================== RESPONSIVE 移动端适配 ========================== */
@media(max-width:1024px){
    .storacage-middle-grid {
        grid-template-columns: 1fr 1fr;
    }
    .storacage-products-grid {
        grid-template-columns: repeat(3,1fr);
    }
    .storacage-stats-list {
        grid-template-columns: repeat(3,1fr);
    }
    .storacage-footer-grid {
        grid-template-columns: repeat(3,1fr);
    }
}
@media(max-width:768px){
    .storacage-menu {
        display:none;
    }
    .storacage-mobile-menu-btn {
        display:block;
    }
    .storacage-feature-list {
        grid-template-columns: repeat(2,1fr);
    }
    .storacage-products-grid {
        grid-template-columns: repeat(2,1fr);
    }
    .storacage-stats-list {
        grid-template-columns: repeat(2,1fr);
    }
    .storacage-footer-grid {
        grid-template-columns: repeat(2,1fr);
    }
    .storacage-hero-content h1 {
        font-size:32px;
    }
    .storacage-hero {
        height:480px;
    }
}
@media(max-width:480px){
    .storacage-feature-list {
        grid-template-columns: 1fr;
    }
    .storacage-products-grid {
        grid-template-columns: 1fr;
    }
    .storacage-stats-list {
        grid-template-columns:1fr;
    }
    .storacage-footer-grid {
        grid-template-columns:1fr;
    }
    .storacage-hero-buttons {
        flex-direction:column;
    }
}








/* 二级下拉菜单核心样式 */
.sub-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 220px;
    background: #ffffff;
    box-shadow: 0 3px 12px rgba(0,0,0,0.12);
    border-radius: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    /* 默认隐藏 */
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;
    z-index: 999;
}
.sub-menu-item a {
    display: block;
    padding: 12px 20px;
    color: #444;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
}
.sub-menu-item a:hover {
    background-color: #f5f8ff;
    color: #0066cc;
}

/* hover触发下拉显示 */
.menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* 箭头旋转 */
.menu-item-has-children:hover .fa-chevron-down {
    transform: rotate(180deg);
}





 /* 点击汉堡菜单后 
    .storacage-menu.open {
        display: flex;
    }




    * PC *
.storacage-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}
*/




/* Mobile */
/* @media (max-width: 768px) {

    .storacage-menu {
        display: none;
        position: absolute;
        top: 150px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 15px 0;
        box-shadow: 0 5px 15px rgba(0,0,0,.1);
        z-index: 999;
    }

     点击汉堡菜单后 
    .storacage-menu.open {
        display: flex;
    }

    .storacage-menu .menu-item {
        width: 100%;
    }

    .storacage-menu .menu-item > a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        text-decoration: none;
        color: #333;
    }
} */


/* @media (max-width:768px){

    .sub-menu{
        display:none;
        position: static;
        width:100%;
        box-shadow:none;
        background:#f7f7f7;
    }

    .menu-item.open > .sub-menu{
        display:block;
    }

    .sub-menu a{
        padding:12px 40px;
        display:block;
    }
}
 */


/* 手机 */
@media (max-width:768px){
/* 手机端头部 */

.mobile-header{

    height:70px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:0 20px;

    background:#fff;

    position:relative;

    z-index:1001;

}

.logo img{

    height:40px;

}

/* 汉堡按钮 */

.menu-toggle{

    width:22px;

    height:22px;

    border:none;

    background:none;

    cursor:pointer;

    display:flex;

    flex-direction:column;

    justify-content:center;

    gap:6px;

}

.menu-toggle span{

    height:2px;

    background:#222;

    border-radius:2px;

    transition:.3s;

}

/* 导航 */

.mobile-nav{

    position:fixed;

    top:0px;

    left:-100%;

    width:100%;

    height:calc(100vh);

    background:#fff;

    overflow-y:auto;

    transition:.35s;

    z-index:1000;

    padding:100px;

}

.mobile-nav.active{

    left:0;

}

.mobile-nav ul{

    list-style:none;

    margin:0;

    padding:0;

}

.mobile-nav li{

    border-bottom:1px solid #eee;

}

.menu-link{

    display:flex;

    justify-content:space-between;

    align-items:center;

}

.mobile-nav a{

    display:block;

    flex:1;

    padding:16px 20px;

    text-decoration:none;

    color:#333;

    font-size:16px;

}

.submenu-toggle{

    width:60px;

    text-align:center;

    cursor:pointer;

}

.submenu{

    display:none;

    background:#f7f7f7;

}

.has-submenu.active>.submenu{

    display:block;

}

.submenu a{

    padding-left:40px;

    font-size:15px;

}



}

/* PC */

@media(min-width:769px){

    .mobile-header,

    .mobile-nav{

        display:none;

    }

}








/* .mobile-nav{
    position: fixed;
    top:0;
    right:-100%;
    width:320px;
    height:100%;
    background:#fff;
    transition:.3s;
    z-index:9999;
    overflow-y:auto;
} */

/* .mobile-nav.active{
    right:0;
}

.mobile-nav-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 20px;
    border-bottom:1px solid #eee;
}

.mobile-nav-title{
    font-size:20px;
    font-weight:600;
}

.mobile-nav-close{
    width:40px;
    height:40px;
    border:none;
    background:none;
    cursor:pointer;
    font-size:24px;
    color:#333;
}

.mobile-nav-close:hover{
    color:#f60;
} */







.footer-qrcodes {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    background: #fff;
    padding: 5px;
    border-radius: 4px;
}

.footer-qrcode span {
    display: block;
    margin-top: 7px;
    font-size: 13px;
    color: #aaa;
}