*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    font-family:Roboto, Arial, sans-serif;
    color:#444;
    overflow-x:hidden;
    line-height:1.6;
}
a{
    text-decoration:none;
    color:inherit;
}
ul{
    list-style:none;
}
ul li i{
    padding: 0 10px;
}
.container{
    width:100%;
    max-width:1440px;
    margin:0 auto;
    padding:0 15px;
    position:relative;
    z-index:2;
}
:root{
    --primary:#0a2b70;
    --accent:#bc8d17;
    --dark:#111827;
    --bg-white:#ffffff;
    --bg-gray:#f5f7fa;
    --bg-lightblue:#eef2f8;
    --border:#e5e7eb;
}
.fade-up{
    opacity:0;
    transform:translateY(40px);
    transition: all 0.7s ease-out;
}
.fade-up.animated{
    opacity:1;
    transform:translateY(0px);
}
.btn-accent{
    display:inline-block;
    background-color:var(--accent);
    color:#fff;
    padding:12px 28px;
    border:0;
    cursor:pointer;
    transition:0.3s;
}
.btn-accent:hover{
    opacity:0.9;
}
.btn-readmore{
    display:inline-block;
    background-color:var(--primary);
    color:#fff;
    padding:9px 20px;
    font-size:14px;
    transition:0.3s;
}
.btn-readmore:hover{
    background-color:#072055;
}
.section{
    padding:70px 0;
    position:relative;
}
.bg-white{background-color:var(--bg-white);}
.bg-gray{background-color:var(--bg-gray);}
.bg-lightblue{background-color:var(--bg-lightblue);}
.bg-mask-section{
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
}
.bg-mask-section::before{
    content:"";
    position:absolute;
    inset:0;
    background-color:rgba(0,0,0,0.55);
    z-index:1;
}
.bg-mask-section .section-title h2,
.bg-mask-section p,
.bg-mask-section h2,
.bg-mask-section h3,
.bg-mask-section h4{
    color:#ffffff;
}
.section-title{
    text-align:center;
    margin-bottom:50px;
}
.section-title h2{
    font-size:32px;
    color:var(--primary);
    margin-bottom:12px;
}
.section-title p{
    max-width:700px;
    margin:0 auto;
    color:#666;
}

/* Header */
header{
    position:sticky;
    top:0;
    z-index:998;
    background-color:#fff;
    box-shadow:0 2px 8px rgba(0,0,0,0.08);
}
.header-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    height:80px;
}
.logo{
    font-size:24px;
    font-weight:bold;
    color:var(--primary);
}
.nav-wrap{
    display:flex;
    align-items:center;
}
.main-nav{
    display:flex;
    gap:32px;
    align-items:center;
}
.main-nav>li{
    position:relative;
    height:80px;
    display:flex;
    align-items:center;
}
.main-nav>li>a{
    color:var(--dark);
    transition:0.3s;
}
.main-nav>li>a:hover{
    color:var(--accent);
}
.mega-menu{
    display:none;
    position:absolute;
    top:80px;
    left:0;
    width:700px;
    background-color:#fff;
    box-shadow:0 5px 15px rgba(0,0,0,0.15);
    padding:25px;
    gap:40px;
    flex-wrap:nowrap;
}
.nav-parent:hover .mega-menu{
    display:flex;
}
.mega-col h4{
    font-size:18px;
    color:var(--primary);
    margin-bottom:12px;
    font-weight:bold;
     text-align: center;
}
.mega-col li{
    margin-bottom:8px;
    font-size:14px;
        text-align: center;
}
.mega-col a:hover{
    color:var(--accent);
}
.header-right{
    display:flex;
    align-items:center;
    gap:16px;
}
.search-btn{
    width:36px;
    height:36px;
    border:1px solid var(--primary);
    background:transparent;
    color:var(--primary);
    display:flex;
    justify-content:center;
    align-items:center;
    cursor:pointer;
    transition:0.3s;
}
.search-btn:hover{
    background-color:var(--primary);
    color:#fff;
}
.mobile-menu-btn{
    display:none;
    font-size:24px;
    background:none;
    border:none;
    cursor:pointer;
}

/* Mobile Menu */
.mobile-menu{
    position:fixed;
    top:0;
    right:-300px;
    width:300px;
    height:100vh;
    background:#fff;
    z-index:9999;
    overflow-y:auto;
    transition:0.3s;
}
.mobile-menu.open{right:0;}
.mobile-menu-close{
    font-size:24px;
    text-align:right;
    cursor:pointer;
    padding:18px 20px 10px;
}
.mobile-menu-main > li > a{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:14px 20px;
    border-bottom:1px solid #eee;
}
/* 移动端子菜单默认隐藏 */
.mobile-submenu{
    display: none;
    padding-left: 22px;
}
.mobile-submenu.open{
    display:block;
}
/*箭头旋转*/
.arrow-rotate{
    transition: transform 0.3s;
    display: inline‑block;
    min-width:22px;
    text-align:center;
}
.arrow-rotate.rotate{
    transform: rotate(180deg);
}
/* 箭头加大点击热区，解决点不中 */
.mobile-hassub a .arrow-rotate{
  padding:8px 10px;
  position:relative;
  z-index:5;
  cursor:pointer;
}
.mobile-submenu li a{
    display:flex;
    justify-content:space-between;
    padding:12px 32px;
    border-bottom:1px solid #e9e9e9;
}
.mobile-submenu .mobile-submenu li a{
    padding-left:52px;
    background:#efefef;
}
.arrow-rotate{
    transition:transform 0.25s ease;
}
.arrow-rotate.turn{
    transform: rotate(180deg);
}

.menu-overlay{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.5);
    z-index:9998;
}
.menu-overlay.open{display:block;}

/* Search Modal */
.search-modal{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.6);
    z-index:9999;
    justify-content:center;
    align-items:center;
}
.search-modal.open{display:flex;}
.search-box{
    background:#fff;
    width:90%;
    max-width:700px;
    padding:25px;
}
.search-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:20px;
}
.search-input{
    width:100%;
    border:1px solid #ddd;
    padding:14px 16px;
    font-size:16px;
    outline:none;
}
.search-input:focus{border-color:var(--primary);}
  /* 页面顶部 Banner */
        .page-banner{
            height:320px;
            position:relative;
            background-size:cover;
            background-position:center;
            display:flex;
            align-items:center;
            justify-content:center;
            text-align:center;
        }
        .page-banner::before{
            content:"";
            position:absolute;
            inset:0;
            background-color:rgba(10, 43, 112, 0.75);
        }
        .page-banner-inner{
            position:relative;
            z-index:2;
            color:#fff;
        }
        .page-banner-inner h1{
            font-size:42px;
            margin-bottom:10px;
        }
        .page-banner-inner p{
            font-size:17px;
            opacity:0.9;
        }
        /* Breadcrumb */
        .breadcrumb-wrap{
            background:#fff;
            padding:18px 0;
            border-bottom:1px solid var(--border);
        }
        .breadcrumb{
            font-size:14px;
            color:#777;
        }
        .breadcrumb a{
            color:var(--primary);
        }
/* Footer */
footer{
    background:#0f172a;
    color:#fff;
    padding:80px 0 35px;
}
.footer-row{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:35px;
    margin-bottom:55px;
}
.footer-col h3{color:var(--accent);font-size:26px;margin-bottom:22px;}
.footer-col h4{
    font-size:19px;
    margin-bottom:22px;
    padding-bottom:8px;
    border-bottom:1px solid rgba(255,255,255,0.12);
}
.footer-col p,.footer-col li{color:#b4b9c3;font-size:15px;}
.footer-col a:hover{color:var(--accent);}
.footer-social{display:flex;gap:14px;margin-top:22px;}
.footer-social a{
    width:40px;height:40px;
    border:1px solid rgba(255,255,255,0.2);
    display:flex;align-items:center;justify-content:center;
    transition:0.3s;
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);}
.copyright{
    border-top:1px solid rgba(255,255,255,0.12);
    padding-top:30px;
    text-align:center;
    color:#8892a0;
}

/* Float Sidebar */
.float-sidebar{
    position:fixed;
    right:20px;
    bottom:160px;
    z-index:999;
    display:flex;
    flex-direction:column;
    gap:12px;
}
.float-btn{
    width:48px;height:48px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:20px;
    box-shadow:0 3px 12px rgba(0,0,0,0.25);
    transition:0.25s;
}
.float-btn:hover{transform:scale(1.08);}
.float-mail{background:var(--primary);}
.float-whatsapp{background:#25a25a;}
.float-phone{background:#bc8d17;}
.float-top{background:#333;}

/* Responsive */
@media (max-width:992px){
    .main-nav{display:none;}
    .mobile-menu-btn{display:block;}
    .footer-row{grid-template-columns:repeat(2,1fr);}
    .mega-menu{width:calc(100vw - 30px);}
}
@media (max-width:576px){
    .footer-row{grid-template-columns:1fr;}
     .page-banner{height:240px;}
            .page-banner-inner h1{font-size:30px;}
}
  /* CTA区块 */
        .cta-section{
            text-align:center;
        }
        .cta-section h2{
            font-size:32px;
            color:#fff;
            margin-bottom:15px;
        }
        .cta-section p{
            color:#fff;
            max-width:700px;
            margin:0 auto 30px;
            opacity:0.9;
        }