/* 面包屑导航 */
.page-top-bar {
  width: 100%;
  background: #f6f8fb;
  border-bottom: 1px solid #e5e7eb;
  padding: 0;
}
.page-top-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 20px;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: #555;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  color: #555;
}
.breadcrumb li + li::before {
  content: "/";
  margin: 0 6px;
  color: #999;
}
.breadcrumb a {
  color: #555;
  text-decoration: none;
}
.breadcrumb a:hover {
  color: #15234d;
}
.breadcrumb li:last-child {
  color: #0f172a;
  font-weight: 500;

}

/* 全局容器统一规范 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-items {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}


/* ====================== Product Hero 产品顶部主视觉（全屏浅底色） ====================== */
.product-hero {
    width: 100%;
        background: #f9fafb;
    background-image: linear-gradient(90deg, #f9fafb 72%, rgba(246,252,248,0) 92%);
    padding: 60px 0;
}
.hero-row {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
    margin-bottom: 0;
    align-items: center;
}

.hero-gallery {
    flex: 0.8;
    min-width: 320px;
    position: relative;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(11, 18, 32, 0.08);
    padding: 12px;
}

.slide {
    display: none;
    position: relative;
    z-index: 2;
    /* 减去左右padding，保证slide自身宽高1:1 */
    width: calc(100% - 24px);
    margin: 0 auto;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}
.slide.active {
    display: block;
}

.hero-gallery img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}


/* 左右切换箭头 */
.hero-gallery button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: 1px solid #ddd;
    color: #222;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 9;
    transition: 0.2s;
}
.hero-gallery button:hover {
    background: #22c55e;
    border-color: #22c55e;
    color: #fff;
}
.prev {left: 10px;}
.next {right: 10px;}

/* 右侧产品信息区域 */
.hero-info {
    flex: 1.2;
    min-width: 320px;
}
.hero-info h1 {
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 10px;
    font-weight: 800;
    color: #0b1220;
}
.hero-desc {
    color: #555;
    margin-bottom: 18px;
    line-height: 1.7;
    font-size: 16px;
}

/* 商务表格 / 参数表格 */
.b2b-table,.spec-table{
    width:100%;
    border-collapse:collapse;
    font-size:15px;
    margin-bottom:24px;
    background:#f8fafc;
    border:1px solid #e2e8f0;
    border-radius:8px;
    overflow:hidden;
}
th,td{
    padding:12px 14px;
    text-align:left;
    border-bottom:1px solid #e2e8f0;
    color:#1e293b;
    font-size: 15px;
}
th{
    background:#f1f5f9;
    width:160px;
    color:#0b1220;
    font-weight:700;
}
tr:last-child th,
tr:last-child td{
    border-bottom:none;
}

/* CTA按钮区域 */
.hero-cta {
    margin-top: 24px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-quote,
.btn-whatsapp{
padding:14px 28px;
border-radius:10px;
font-size:15px;
font-weight:600;
text-decoration:none;
transition:.2s ease;
}

/* primary */
.btn-quote{
background:#2F855A;;
color:#fff;
box-shadow:0 6px 16px rgba(56,161,105,.25);
}

.btn-quote:hover{
background:#1C4532;
transform:translateY(-1px);
}



.btn-whatsapp {
    background: transparent;
    border:1px solid #222;
    color:#222;
    padding:14px 24px;
    border-radius:6px;
    text-decoration:none;
    transition:0.25s;
}
.btn-whatsapp:hover{
    border-color:#2F855A;
    color:#2F855A;
}


/* ====================== Anchor Nav 胶囊锚点导航 ====================== */
.anchor-nav-wrap{
    padding:18px 0 34px;
}
.anchor-nav{
    display:flex;
    justify-content:center;
    gap:12px;
}
.anchor-nav .nav-item{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 26px;
    min-width:160px;
    height:48px;
    border-radius:999px;
    background:#fff;
    border:1px solid #334155;
    color:#334155;
    font-size:14px;
    font-weight:600;
    text-decoration:none;
    transition:.18s ease;
}
.anchor-nav .nav-item:hover{
    border-color:#1F6B57;
    color:#1F6B57;
    transform:translateY(-1px);
}
.anchor-nav .nav-item:active{
    transform:translateY(0);
}
.anchor-nav .nav-item:focus,
.anchor-nav .nav-item:visited{
    color:#334155;
}

/* ====================== 统一区块分割样式 ====================== */
.block-divider{
    margin-bottom:60px;
    padding-top:10px;
}
.table-title{
    font-size:22px;
    margin:0 0 20px;
    padding-bottom:8px;
    border-bottom:1px solid #eee;
    color:#0b1220;
    font-weight:700;
}
.product-content{
    line-height:1.8;
    color:#333;
}

/* ====================== FAQ ====================== */
.faq{
    border-left:3px solid #22c55e;
    padding:14px 18px;
    margin-bottom:14px;
    background:#f8fafc;
    border:1px solid #e2e8f0;
    border-radius:8px;
    line-height:1.6;
    color:#1e293b;
}
.faq strong{
    color:#0b1220;
}
.faq-q-text {
    font-size:17px;
    color:#0b1220;
    font-weight: 600;
}
.faq-a-text {
    font-size:14px;
    color:#475569;
}

/* 相关产品网格 */
.related-grid {
    display: grid;
    /* 桌面强制4列，最小宽度200px */
    grid-template-columns: repeat(4, minmax(200px, 1fr));
    gap: 22px;
}
/* 平板 2列 */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* 手机 1列 */
@media (max-width: 640px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}

.related-item {
    background: #f7f9fc;
    border: 1px solid #e5e9f2;
    border-radius: 10px;
    overflow: hidden;
    transition: 0.25s ease;
    box-shadow: 0 8px 24px rgba(11, 18, 32, 0.08);
}
.related-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(34,197,94,0.12);
    border-color: rgba(34,197,94,0.3);
}
.related-item a {
    text-decoration: none;
    color: #0b1220;
}
.related-info {
    padding: 12px;
}
.related-title {
    font-size: 18px;
    margin: 0;
    font-weight: 700;
    color: #333;
}

/* ====================== 移动端适配 ====================== */
@media (max-width: 900px) {
    .hero-row {
        flex-direction: column;
    }
    .hero-info {
        text-align: center;
    }
    .hero-cta {
        justify-content: center;
    }
    .anchor-nav{
        flex-wrap:wrap;
        gap:10px;
    }
    .anchor-nav .nav-item{
        min-width:unset;
        flex:1;
        padding:12px 18px;
    }
}
@media (max-width: 520px){
    .anchor-nav{
        flex-direction:column;
    }
    .anchor-nav .nav-item{
        width:100%;
    }
}
@media (max-width: 480px) {
    .hero-info h1 {
        font-size:28px;
    }
    .product-hero {
        padding: 40px 0;
    }
}