* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --color-dark-bg: #0f1c30;
    --color-darker: #091220;
    --color-primary-blue: #1677ff;
    --color-blue-light: #42a5ff;
    --color-white: #ffffff;
    --color-gray-light: #f4f7fa;
    --color-text-dark: #222831;
    --color-text-gray: #667080;
    --border-light:#dde2ec;
    --transition-base: all 0.3s ease;
}
body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-gray-light);
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display:block;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap:8px;
    padding:12px 24px;
    border-radius:4px;
    font-weight:600;
    font-size:14px;
    transition: var(--transition-base);
    border:none;
    cursor:pointer;
}
.btn-sm {
    padding:9px 16px;
    font-size:13px;
}
.btn-primary {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
}
.btn-primary:hover {
    background-color:#0f64dd;
}
.section-label {
    color: var(--color-primary-blue);
    font-size:13px;
    font-weight:600;
    text-transform: uppercase;
    display:block;
    margin-bottom:8px;
}

/* ===== Header 和首页完全一致 ===== */
.site-header {
    position:absolute;
    width:100%;
    top:0;
    left:0;
    z-index:999;
    padding:16px 0;
}
.header-wrap {
    display:flex;
    justify-content: space-between;
    align-items:center;
}
.brand-logo {
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
}
.logo-icon {
    font-size:24px;
}
.logo-text strong {
    display:block;
    font-size:18px;
    letter-spacing:1px;
}
.logo-text small {
    font-size:10px;
    opacity:0.8;
}
.main-nav {
    display:flex;
    align-items:center;
    gap:28px;
}
.nav-list {
    display:flex;
    gap:26px;
}
.nav-item a {
    color:#ffffff;
    font-size:14px;
    font-weight:500;
    display:flex;
    align-items:center;
    gap:4px;
}
.nav-item.active a {
    color: var(--color-blue-light);
}
.menu-toggle {
    display:none;
    background:transparent;
    border:none;
    color:#fff;
    font-size:24px;
}















/* Products Hero Banner */
.products-hero {

    background-color: var(--color-dark-bg);
    position:relative;
    height:420px;
    display:flex;
    align-items:center;
    padding-top:80px;
}
.products-hero-bg {
    position:absolute;
    inset:0;
    background-image:url('../images/banner.jpg');
    background-size:cover;
    background-position:center;
    opacity:0.38;
    background-color:#0f1c30;
}
.products-hero-content {
    
    /* margin-left: 0px; */



    position:relative;
    z-index:2;
    color:#ffffff;
}
.products-hero-text h1 {
    font-size:54px;
    text-transform:uppercase;
    line-height:1.1;
    margin-bottom:10px;
}
.products-sub {
    font-size:17px;
    opacity:0.9;
    margin-bottom:20px;
    max-width:520px;
}
.breadcrumbs {
    font-size:14px;
    opacity:0.75;
}
.breadcrumbs a {
    color:var(--color-blue-light);
}

/* Products Main Layout Sidebar + Grid */
.products-main {
    padding:60px 0;
    background:#fff;
}
.products-row {
    display:grid;
    grid-template-columns:260px 1fr;
    gap:36px;
}
.filter-sidebar {
}
.filter-block {
    margin-bottom:32px;
}
.filter-block h4 {
    font-size:14px;
    text-transform:uppercase;
    margin-bottom:14px;
    color:#222;
}
.category-list {}
.cat-item {
    display:flex;
    align-items:center;
    gap:8px;
    padding:9px 10px;
    border-radius:4px;
    font-size:13px;
    cursor:pointer;
    margin-bottom:4px;
}
.cat-item.active {
    background:#e8f2ff;
    color:var(--color-primary-blue);
}
.count {
    margin-left:auto;
    font-size:12px;
    color:var(--color-text-gray);
}
.checkbox-filter li {
    margin-bottom:8px;
    font-size:13px;
}
.checkbox-filter label {
    display:flex;
    align-items:center;
    gap:6px;
    cursor:pointer;
}

.custom-solution-box {
    background:#0f1c30;
    color:#fff;
    border-radius:4px;
    overflow:hidden;
    padding-bottom:20px;
}
.custom-img-placeholder {
    height:140px;
    background:url('../images/1.jpg');
    background-size:cover;
}
.custom-solution-box h4 {
    padding:0 16px;
    margin-top:14px;
    font-size:15px;
}
.custom-solution-box p {
    padding:0 16px;
    font-size:13px;
    opacity:0.8;
    margin:8px 0 16px;
}
.custom-solution-box .btn {
    margin:0 16px;
}

/* Products Toolbar */
.products-toolbar {
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:24px;
    font-size:13px;
}
.toolbar-right {
    display:flex;
    gap:16px;
    align-items:center;
}
.sort-wrap {
    display:flex;
    align-items:center;
    gap:6px;
}
.sort-select {
    border:1px solid var(--border-light);
    padding:6px 10px;
    border-radius:3px;
}
.view-switch {
    display:flex;
}
.view-btn {
    width:32px;
    height:32px;
    border:1px solid var(--border-light);
    background:#fff;
    cursor:pointer;
}
.view-btn.active {
    background:#e8f2ff;
    border-color:var(--color-primary-blue);
    color:var(--color-primary-blue);
}

/* Product Grid */
.product-grid {
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap:22px;
}
.product-card {
    background:#fff;
    border:1px solid var(--border-light);
    border-radius:4px;
    overflow:hidden;
    transition:var(--transition-base);
}
.product-card:hover {
    box-shadow:0 4px 14px rgba(0,0,0,0.08);
}
.prod-img-wrap {
    height:180px;
    overflow:hidden;
}
.product-card h3 {
    font-size:15px;
    padding:14px 14px 6px;
}
.product-card p {
    font-size:12px;
    color:var(--color-text-gray);
    padding:0 14px 12px;
}
.card-link {
    display:block;
    font-size:12px;
    color:var(--color-primary-blue);
    padding:0 14px 14px;
    font-weight:600;
    display:flex;
    align-items:center;
    gap:6px;
}

/* Pagination */
.pagination-wrap {
    display:flex;
    justify-content:center;
    gap:6px;
    margin-top:36px;
}



.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}




.page-btn {

     display: inline-flex;
    justify-content: center;
    align-items: center;
    text-align: center;


    
    width:34px;
    height:34px;
    border:1px solid var(--border-light);
    background:#fff;
    border-radius:3px;
    cursor:pointer;
}
.page-btn.active {
    background:var(--color-primary-blue);
    color:#fff;
    border-color:var(--color-primary-blue);
}

/* Feature Banner 5 items */
.feature-banner {
    background-color:var(--color-darker);
    color:#ffffff;
    padding:44px 0;
}
.feature-row {
    display:grid;
    grid-template-columns: repeat(5,1fr);
    gap:24px;
}
.feature-item {
    display:flex;
    gap:14px;
}
.feature-icon {
    font-size:28px;
    color:var(--color-blue-light);
    flex-shrink:0;
}
.feature-item h4 {
    font-size:15px;
    margin-bottom:4px;
}
.feature-item p {
    font-size:13px;
    opacity:0.72;
}









.site-footer {
    background-color:#070e19;
    color:#bbbbbb;
    padding:54px 0 24px;
    font-size:13px;
}
.footer-top {
    display:grid;
    grid-template-columns: 1.8fr repeat(4, 1fr);
    gap:32px;
    margin-bottom:40px;
}
.footer-logo {
    margin-bottom:14px;
}
.brand-col p {
    margin-bottom:18px;
    line-height:1.65;
}
.social-links {
    display:flex;
    gap:14px;
}
.social-links a {
    width:32px;
    height:32px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.2);
    display:flex;
    align-items:center;
    justify-content:center;
}
.footer-col h4 {
    color:#fff;
    font-size:15px;
    margin-bottom:16px;
}
.footer-col ul li {
    margin-bottom:9px;
}
.footer-col ul li a:hover {
    color:var(--color-blue-light);
}
.contact-footer-list li {
    display:flex;
    gap:8px;
}
.footer-bottom {
    display:flex;
    justify-content:space-between;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,0.08);
}
.footer‑links a {
    margin-left:22px;
}

/* ===== Responsive ===== */
@media(max-width:1200px) {
    .product-grid {
        grid-template-columns: repeat(3,1fr);
    }
    .feature-row {
        grid-template-columns: repeat(3,1fr);
    }
}
@media(max-width:1024px) {
    .products-row {
        grid-template-columns:220px 1fr;
    }
    .product-grid {
        grid-template-columns: repeat(2,1fr);
    }
    .feature-row {
        grid-template-columns: repeat(2,1fr);
    }
    .footer-top {
        grid-template-columns: repeat(2,1fr);
    }
}
@media(max-width:768px) {
    .main-nav {
        display:none;
    }
    .menu-toggle {
        display:block;
    }
    .products-hero-text h1 {
        font-size:38px;
    }
    .products-row {
        grid-template-columns:1fr;
    }
    .filter-sidebar {
        order:-1;
    }
    .product-grid {
        grid-template-columns: repeat(2,1fr);
    }
    .feature-row {
        grid-template-columns:1fr;
    }
    .footer-top {
        grid-template-columns:1fr;
    }
    .footer-bottom {
        flex-direction:column;
        gap:10px;
    }
    .products-toolbar {
        flex-direction:column;
        align-items:flex-start;
        gap:10px;
    }
}
@media(max-width:480px) {
    .product-grid {
        grid-template-columns:1fr;
    }
}