:root{ --ak-blue:#0756c9; --ak-blue-dark:#06429f; --ak-blue-deep:#063b8f; --ak-light:#f4f8ff; --ak-border:#d7e2f1; --ak-text:#09254a;}
*{ box-sizing:border-box}
html{ scroll-behavior:smooth}
body{ margin:0; color:var(--ak-text); background:#fff}
a{ text-decoration:none}
.site-header{
    height:76px;
    background:#fff;
    border-bottom:1px solid #e4eaf2;
    position:relative;
    z-index:10
}
.header-inner{
    height:100%;
    max-width:1180px;
    margin:auto;
    padding:0 20px;
    display:flex;
    align-items:center;
    justify-content:space-between
}
.brand{
    display:flex;
    align-items:center;
    height:100%;
    flex:none
}
.brand img{
    display:block;
    width:210px;
    height:auto;
    max-height:62px;
    object-fit:contain
}
.main-nav{
    height:100%;
    display:flex;
    align-items:stretch;
    gap:0
}
.main-nav a{
    position:relative;
    display:flex;
    align-items:center;
    gap:8px;
    padding:0 19px;
    color:#063b80;
    font-size:14px;
    font-weight:700;
    white-space:nowrap
}
.main-nav a:hover,.main-nav a.active{
    color:var(--ak-blue)
}
.main-nav a.active:after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:0;
    height:3px;
    background:var(--ak-blue)
}
.main-nav i{
    font-size:15px
}

.page-section{
    max-width:980px;
    margin:0 auto;
    padding:48px 20px 58px
}
.page-title{
    font-size:30px;
    font-weight:800;
    margin:0 0 28px;
    color:#e7e9eb
}
.search-panel{
    max-width:100%;
    background:#fff;
    border:1px solid var(--ak-border);
    border-radius:16px;
    padding:28px;
    box-shadow:0 8px 28px rgba(13,65,130,.08)
}
.search-panel-title{
    text-align:center;
    font-size:17px;
    font-weight:700;
    color:#0a4ca8;
    margin:0 0 20px
}
.search-row{
    display:grid;
    grid-template-columns:1fr 145px;
    gap:12px
}
.search-input-wrap{
    position:relative
}
.search-input-wrap i{
    position:absolute;
    left:17px;
    top:50%;
    transform:translateY(-50%);
    font-size:21px;
    color:var(--ak-blue);
    z-index:2
}
.search-input{
    height:52px!important;
    padding-left:48px!important;
    border:1px solid #9bbce9!important;
    border-radius:8px!important;
    font-size:15px
}
.search-btn{
    height:52px;
    border:0;
    border-radius:8px;
    background:var(--ak-blue);
    font-weight:800;
    color:#fff
}
.search-btn:hover{
    background:#0649ad;
    color:#fff
}
.search-help{
    text-align:center;
    color:#63738b;
    font-size:13px;
    margin-top:13px
}
.search-help i{
    color:var(--ak-blue)
}
.warranty-fields{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:12px
}
.warranty-fields .full{
    grid-column:1/-1
}
.result-card{
    margin-top:22px;
    border:1px solid var(--ak-border);
    border-radius:14px;
    background:#fff;
    padding:24px;
    box-shadow:0 6px 22px rgba(13,65,130,.06)
}
.result-card hr{
    border-color:#e5edf7
}
.result-label{
    font-size:12px;
    color:#74839a;
    margin-bottom:5px
}
.result-value{
    font-size:15px;
    font-weight:600;
    color:#102d52
}
.serial,.code{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    text-transform:uppercase
}
.back-link{
    display:inline-flex;
    margin-top:20px;
    color:var(--ak-blue);
    font-weight:600
}
.alert{
    border-radius:10px
}
.why-section{
    background:#fff;
    padding:28px 20px 58px
}
.why-inner{
    max-width:1180px;
    margin:auto
}
.section-title{
    text-align:center;
    font-size:28px;
    font-weight:800;
    color:var(--ak-blue);
    margin:0
}
.section-title:after{
    content:"";
    display:block;
    width:40px;
    height:3px;
    background:var(--ak-blue);
    margin:12px auto 30px;
    border-radius:3px
}
.why-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr)
}
.why-item{
    text-align:center;
    padding:0 30px;
    border-right:1px solid #dfe8f3
}
.why-item:last-child{
    border-right:0
}
.why-icon{
    width:70px;
    height:70px;
    border-radius:50%;
    background:#edf5ff;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:0 auto 14px;
    color:var(--ak-blue);
    font-size:32px
}
.why-item h3{
    font-size:15px;
    font-weight:800;
    color:#0751ad;
    margin:0 0 9px
}
.why-item p{
    font-size:13px;
    line-height:1.65;
    color:#46566d;
    margin:0
}

.home-hero{
    position:relative;
    overflow:hidden;
    background:linear-gradient(135deg,#0a4ba9 0%,#0756c9 55%,#063d91 100%);
    color:#fff;
    padding:58px 20px 62px
}
.home-hero:before{
    content:"";
    position:absolute;
    inset:0;
    opacity:.16;
    background-image:radial-gradient(circle at 20px 20px,#fff 1.5px,transparent 1.7px);
    background-size:34px 34px
}
.home-hero:after{
    content:"";
    position:absolute;
    width:540px;
    height:540px;
    right:-170px;
    top:-270px;
    border:1px solid rgba(255,255,255,.14);
    border-radius:50%;
    box-shadow:0 0 0 55px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.02)
}
.hero-inner{
    position:relative;
    z-index:1;
    max-width:1000px;
    margin:auto;
    text-align:center
}
.hero-title{
    font-size:42px;
    font-weight:800;
    margin:0 0 8px
}
.hero-subtitle{
    font-size:21px;
    font-weight:700;
    margin:0 0 30px
}
.hero-search{
    max-width:540px;
    margin:auto;
    background:#fff;
    color:var(--ak-text);
    border-radius:17px;
    padding:27px 28px 21px;
    box-shadow:0 12px 35px rgba(0,0,0,.16)
}
.hero-search-title{
    font-size:15px;
    font-weight:700;
    color:#06469f;
    margin-bottom:18px
}
.hero-search-row{
    display:grid;
    grid-template-columns:1fr 105px;
    gap:12px
}
.hero-search .search-input{
    height:44px!important
}
.hero-search .search-btn{
    height:44px
}
.hero-help{
    font-size:12px;
    color:#607086;
    margin-top:12px
}
.home-why{
    padding-top:32px
}

.site-footer{
    background:linear-gradient(135deg,#06449f,#063b8f);
    color:#fff
}
.footer-inner{
    max-width:1180px;
    margin:auto;
    padding:38px 20px 16px;
    display:grid;
    grid-template-columns:1.25fr .9fr 1.2fr 1.1fr;
    gap:0
}
.basis {
    background: #1a4388;
    margin-top: 10px;
}
.container {
    width: 1660px;
}
.basis_center {
    padding: 20px 0;
}
.list_basis_center {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 34% 34% 32%;
    grid-template-columns: 34% 34% 32%;
}
.item_basis_center h3 {
    display: block;
    font-size: 16px;
    margin-bottom: 10px;
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
}
.item_basis_center ul {
    margin: 0;
    padding: 0;
}
.item_basis_center ul li {
    list-style: none;
    color: #fff;
    font-size: 14px;
    padding: 3px;
}
.item_basis_center .map {
    color: #ffed00 !important;
}
a, a:hover {
    text-decoration: none;
    -webkit-transition: .4s all;
    -o-transition: .4s all;
    transition: .4s all;
}



.contact-line{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:13px;
    line-height:1.5;
    margin-bottom:9px
}
.contact-line i{
    font-size:16px;
    margin-top:1px
}
.socials{
    display:flex;
    gap:8px
}
.socials span{
    width:30px;
    height:30px;
    border:1px solid rgba(255,255,255,.8);
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:13px
}
.social-card{
    border:1px solid rgba(255,255,255,.45);
    border-radius:6px;
    padding:12px;
    display:flex;
    align-items:center;
    gap:10px;
    max-width:240px
}
.social-avatar{
    width:38px;
    height:38px;
    border-radius:50%;
    background:#fff;
    color:var(--ak-blue);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:800
}
.social-card strong{
    display:block;
    font-size:13px
}
.social-card small{
    display:block;
    font-size:10px;
    margin-top:3px;
    color:#dce9ff
}
.footer-bottom{
    grid-column:1/-1;
    border-top:1px solid rgba(255,255,255,.2);
    margin-top:24px;
    padding-top:13px;
    display:flex;
    justify-content:space-between;
    font-size:11px;
    color:#fff
}

@media(max-width:900px){
    .header-inner{
        padding:0 14px
    }
    .brand img{
        width:180px
    }
    .main-nav a{
        padding:0 10px;
        font-size:12px
    }
    .main-nav a.active:after{
        left:7px;
        right:7px
    }
    .footer-inner{
        grid-template-columns:1fr 1fr
    }
    .footer-col:nth-child(2){
        border-right:0
    }
    .footer-col{
        margin-bottom:22px
    }
}
@media(max-width:650px){
    .site-header{
        height:auto
    }
    .header-inner{
        display:block;
        padding-top:10px
    }
    .brand{
        height:54px;
        justify-content:center
    }
    .brand img{
        width:190px
    }
    .main-nav{
        height:48px;
        overflow-x:auto;
        justify-content:flex-start
    }
    .main-nav a{
        padding:0 12px;
        font-size:11px
    }
    .page-section{
        padding:28px 14px 40px
    }
    .page-title{
        font-size:27px;
        margin-bottom:20px
    }
    .search-panel{
        padding:18px
    }
    .search-row{
        grid-template-columns:1fr
    }
    .warranty-fields{
        grid-template-columns:1fr
    }
    .warranty-fields .full{
        grid-column:auto
    }
    .why-section{
        padding:25px 14px 42px
    }
    .section-title{
        font-size:23px
    }
    .why-grid{
        grid-template-columns:1fr 1fr;
        gap:20px 0
    }
    .why-item{
        padding:10px 16px;
        border-right:1px solid #dfe8f3
    }
    .why-item:nth-child(2){
        border-right:0
    }
    .why-item:nth-child(3){
        border-top:1px solid #dfe8f3
    }
    .why-item:nth-child(4){
        border-top:1px solid #dfe8f3;
        border-right:0
    }
    .home-hero{
        padding:38px 14px 42px
    }
    .hero-title{
        font-size:32px
    }
    .hero-subtitle{
        font-size:17px
    }
    .hero-search{
        padding:20px 17px
    }
    .hero-search-row{
        grid-template-columns:1fr
    }
    .footer-inner{
        grid-template-columns:1fr;
        padding:30px 18px 15px
    }
}