.s_multi_language_wrap, .languages_dropdown, #s_multi_language, .beian-info, footer a[href*="beian"] { display: none !important; }
* { box-sizing: border-box; outline: none; }
body, html { margin:0; padding:0; font-family: "Microsoft YaHei", "Heiti SC", sans-serif; -webkit-font-smoothing: antialiased; background: #fff; color: #333; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
img { max-width: 100%; height: auto; border: 0; vertical-align: bottom; }


.top-bar-box {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
    background: #262626; height: 70px;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 4%; box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.brand-logo strong { font-size: 24px; color: #f5f5f5; font-weight: 700; letter-spacing: 1px; }
.site-nav { display: flex; list-style: none; margin: 0; padding: 0; }
.site-nav li { margin-left: 20px; position: relative; }
.site-nav a { color: #ccc; font-size: 15px; padding: 24px 0; display: block; font-weight: 500; }
.site-nav a:hover, .site-nav a.current-node { color: #fff; border-bottom: 3px solid #3498db; }
.spacer-block { height: 70px; width: 100%; }


.hero-wrapper { position: relative; width: 100%; height: 0; padding-bottom: 39.18%; background: #e0e0e0; overflow: hidden; }
.slide-node {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1); z-index: 1;
}
.slide-node.visible { opacity: 1; z-index: 5; }


.page-block { padding: 70px 0; position: relative; }
.bg-gray { background-color: #f9f9f9; }
.bg-blue { background-color: #2461ef; color: #fff; }
.bg-dark { background-color: #383838; color: #fff; }
.inner-box { max-width: 1200px; margin: 0 auto; padding: 0 15px; }


.head-group { text-align: center; margin-bottom: 50px; }
.head-group h2 { font-size: 34px; margin-bottom: 8px; font-weight: 400; letter-spacing: 2px; }
.head-group span { font-size: 14px; opacity: 0.6; text-transform: uppercase; letter-spacing: 1px; }
.bg-blue .head-group h2, .bg-blue .head-group span { color: #fff; }

.filter-bar { display: flex; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; border-bottom: 1px solid #eee; }
.filter-opt { padding: 12px 30px; cursor: pointer; font-size: 16px; color: #777; position: relative; transition: all 0.3s; }
.filter-opt:after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: transparent; transition: background 0.3s; }
.filter-opt:hover, .filter-opt.sel { color: #222; font-weight: 600; background: #f4f4f4; }
.filter-opt.sel:after { background: #222; }

.goods-panel { display: none; opacity: 0; transform: translateY(10px); transition: all 0.4s ease-out; }
.goods-panel.show { display: block; opacity: 1; transform: translateY(0); }
.wares-box { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.unit-cell { width: 25%; padding: 12px; margin-bottom: 25px; }
.card-wrap { background: #fff; border: 1px solid #ebebeb; transition: 0.4s; height: 100%; display: flex; flex-direction: column; overflow: hidden; }
.card-wrap:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.08); transform: translateY(-5px); border-color: #aaa; }
.pic-frame { width: 100%; padding-bottom: 75%; position: relative; background: #fafafa; }
.pic-frame img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.card-info { padding: 18px 10px; text-align: center; font-size: 15px; color: #444; font-weight: 500; border-top: 1px solid #f0f0f0; margin-top: auto; background: #fff; }

.qa-wrapper { display: flex; flex-wrap: wrap; justify-content: space-between; }
.qa-entry { width: 49%; margin-bottom: 20px; background: #fff; border: 1px solid #e5e5e5; border-left: 4px solid #2461ef; border-radius: 4px; overflow: hidden; }
.qa-entry summary { padding: 20px; cursor: pointer; font-weight: bold; font-size: 16px; list-style: none; position: relative; outline: none; }
.qa-entry summary::-webkit-details-marker { display: none; }
.qa-entry summary:after { content: '+'; position: absolute; right: 20px; font-weight: normal; color: #999; }
.qa-entry[open] summary:after { content: '-'; }
.qa-body { padding: 0 20px 20px; font-size: 14px; color: #666; line-height: 1.8; border-top: 1px dashed #f0f0f0; margin-top: -5px; padding-top: 15px; }

.connect-row { display: flex; justify-content: space-between; flex-wrap: wrap; }
.info-col { width: 32%; color: #ddd; }
.info-col p { margin-bottom: 18px; font-size: 15px; display: flex; align-items: center; }
.form-col { width: 62%; }
.inp-field, .txt-area { width: 100%; padding: 14px; background: #fff; border: 1px solid #ccc; border-radius: 3px; margin-bottom: 15px; font-family: inherit; font-size: 14px; transition: border 0.3s; }
.inp-field:focus, .txt-area:focus { border-color: #2461ef; }
.action-btn { background: #2b2b2b; color: #fff; border: none; padding: 14px 45px; cursor: pointer; font-size: 16px; border-radius: 3px; transition: background 0.3s; width: 100%; }
.action-btn:hover { background: #444; }

.site-foot { background: #333; color: #888; text-align: center; padding: 40px 0; font-size: 13px; border-top: 1px solid #444; }
.foot-nav { margin-top: 15px; }
.foot-nav a { margin: 0 12px; }
.foot-nav a:hover { color: #fff; text-decoration: underline; }


@media (max-width: 768px) {
    .site-nav { display: none; }
    .top-bar-box { justify-content: center; }
    .unit-cell { width: 50%; }
    .qa-entry, .info-col, .form-col { width: 100%; }
    .hero-wrapper { padding-bottom: 60%; }
    .contact-flex { flex-direction: column; }
}