/* ============================================================
   QuickWebCMS 统一公共样式  style.css
   ============================================================ */

/* ---------- 基础变量 ---------- */
:root{
  --primary:#186060;          /* 主题主色 */
  --primary-dark:#0f4747;
  --primary-light:#249191;
  --primary-soft:#e8f1f0;
  --accent:#e0a93b;           /* 点缀金 */
  --bg:#f4f7f6;
  --surface:#ffffff;
  --text:#26312e;
  --text-muted:#6c7974;
  --text-light:#9aa6a1;
  --border:#e4eae8;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 6px 24px rgba(24,96,96,.08);
  --shadow-hover:0 12px 32px rgba(24,96,96,.16);
  --max:1300px;
  --pad:22px;
}

/* ---------- 重置 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.7;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
h1,h2,h3,h4{font-weight:700;color:var(--text);line-height:1.3}
button,input,textarea,select{font-family:inherit;font-size:14px;outline:none}
.clear::after{content:"";display:block;clear:both}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.row{display:flex;flex-wrap:wrap;gap:24px}
.main-col{flex:1 1 0;min-width:0}
.side-col{flex:0 0 280px;width:280px}
.section{padding:46px 0}
.section-sm{padding:30px 0;padding-top: 15px;}

/* ---------- SVG 图标 ---------- */
.ic{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;
    stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-.12em}
.ic-fill{fill:currentColor;stroke:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  padding:10px 22px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-weight:600;line-height:1;transition:.2s;background:var(--primary);color:#fff;
}
.btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-lg{padding:13px 30px;font-size:15px}

/* ---------- 区块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:24px;gap:16px}
.sec-title{font-size:24px;position:relative;padding-left:14px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:linear-gradient(var(--primary),var(--primary-light))}
.sec-title small{display:block;font-size:12px;font-weight:400;color:var(--text-light);
  letter-spacing:2px;text-transform:uppercase;margin-top:2px}
.sec-more{color:var(--text-muted);font-size:15px;display:inline-flex;align-items:center;gap:4px}
.sec-more:hover{color:var(--primary)}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--primary-dark);color:#cfe3e1;font-size:12.5px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar a{color:#bcd6d4}
.topbar a:hover{color:#fff}
.topbar .t-left{display:flex;gap:18px;align-items:center}
.topbar .t-left svg{font-size:14px}
.topbar .t-right{display:flex;gap:14px;align-items:center}

/* ---------- 主导航 / Logo ---------- */
.site-header{background:var(--surface);position:sticky;top:0;z-index:50;
  box-shadow:0 2px 14px rgba(24,96,96,.06);padding: 10px 0;}
.nav-wrap{display:flex;align-items:center;height:78px;gap:30px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo .mark{width:46px;height:46px;flex:none}
.logo .txt b{font-size:28px;color:var(--primary);letter-spacing:4px;display:block;line-height:1.1}
.logo .txt span{font-size:15px;color:var(--text-muted);letter-spacing:2px}
/* 主导航独立区块 */
.mainnav-wrap{background:var(--surface);position:sticky;top:98px;z-index:49;
  border-top:1px solid var(--border);box-shadow:0 2px 10px rgba(24,96,96,.05)}
.mainnav-wrap .wrap{display:flex;align-items:center;height:58px}
.mainnav{flex:1;display:flex;gap:0;align-items:center;width:100%}
.mainnav>li{position:relative;flex:1}
.mainnav>li>a{display:flex;align-items:center;justify-content:center;gap:6px;padding:0 12px;height:58px;
  font-size:15.5px;font-weight:600;position:relative}
.mainnav>li>a::after{content:"";position:absolute;left:50%;bottom:7px;width:0;height:3px;
  border-radius:3px;background:var(--primary);transition:.25s;transform:translateX(-50%)}
.mainnav>li:hover>a,.mainnav>li.active>a{color:var(--primary)}
.mainnav>li:hover>a::after,.mainnav>li.active>a::after{width:22px}
/* 二级下拉 */
.subnav{position:absolute;top:58px;left:0;min-width:170px;background:var(--surface);
  border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:var(--shadow);
  padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;z-index:60}
.mainnav>li:hover .subnav{opacity:1;visibility:visible;transform:translateY(0)}
.subnav a{display:block;padding:9px 20px;font-size:14px;font-weight:500;color:var(--text-muted)}
.subnav a:hover{background:var(--primary-soft);color:var(--primary);padding-left:26px}
.nav-cta{flex:none}
/* 头部右侧电话 */
.head-phone{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.head-phone .ic{width:42px;height:42px;padding:8px;background:var(--primary-soft);
  border-radius:50%;color:var(--primary);flex:none}
.head-phone .hp-txt{display:flex;flex-direction:column;line-height:1.3}
.head-phone .hp-label{font-size:12px;color:var(--text-light);letter-spacing:1px}
.head-phone .hp-num{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:.5px;line-height:1.25}
.head-phone .hp-num2{font-size:14px;font-weight:700;color:var(--primary-light)}
.head-phone .hp-num:hover{color:var(--accent)}

/* ---------- 横幅轮播 ---------- */
/* ========== Banner 容器 ========== */
.qb-banner {
    position: relative;
    width: 100%;
    padding-bottom: 31%;       /* 4:2.5 宽高比，自适应高度 */
    min-height: 200px;
    max-height: 600px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    background-color: #1a1a1a;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ========== 图片轨道 ========== */
.qb-banner-track {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ========== 单张幻灯片 ========== */
.qb-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
    transform: scale(1.05);
}

.qb-banner-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
    z-index: 2;
}

.qb-banner-slide::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
    pointer-events: none;
}

/* ========== 文字说明 ========== */
.qb-banner-caption {
    position: absolute;
    bottom: 60px;
    left: 40px;
    right: 40px;
    z-index: 3;
    color: #fff;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.6s ease 0.2s, opacity 0.6s ease 0.2s;
}

.qb-banner-slide.active .qb-banner-caption {
    transform: translateY(0);
    opacity: 1;
}

.qb-banner-caption h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.qb-banner-caption p {
    font-size: 16px;
    font-weight: 300;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
    opacity: 0.9;
}

/* ========== 左右切换箭头 ========== */
.qb-banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background:var(--primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #fff;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.qb-banner:hover .qb-banner-arrow {
    opacity: 1;
    visibility: visible;
}

.qb-banner-arrow:hover {
    background:#333;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.qb-banner-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.qb-banner-arrow svg {
    width: 24px;
    height: 24px;
}

.qb-banner-prev {
    left: 20px;
}

.qb-banner-next {
    right: 20px;
}

/* ========== 底部指示点 ========== */
.qb-banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 30px;
}

.qb-banner-dot {
    width: 10px;
    height: 10px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
    outline: none;
}

.qb-banner-dot:hover {
    border-color: #fff;
    transform: scale(1.2);
}

.qb-banner-dot.active {
    background: #fff;
    border-color: #fff;
    width: 28px;
    border-radius: 10px;
    transform: scale(1);
}

/* ========== 响应式 - 平板 ========== */
@media screen and (max-width: 768px) {
    .qb-banner {
        padding-bottom: 50%;
        border-radius: 10px;
    }
    
    .qb-banner-caption {
        bottom: 50px;
        left: 25px;
        right: 25px;
    }
    
    .qb-banner-caption h3 {
        font-size: 24px;
    }
    
    .qb-banner-caption p {
        font-size: 14px;
    }
    
    .qb-banner-arrow {
        width: 40px;
        height: 40px;
    }
    
    .qb-banner-prev {
        left: 12px;
    }
    
    .qb-banner-next {
        right: 12px;
    }
    
    .qb-banner-dots {
        bottom: 15px;
        gap: 8px;
        padding: 6px 12px;
    }
    
    .qb-banner-dot {
        width: 8px;
        height: 8px;
    }
    
    .qb-banner-dot.active {
        width: 22px;
    }
}

/* ========== 响应式 - 手机 ========== */
@media screen and (max-width: 480px) {
    .qb-banner {
        padding-bottom: 60%;
        border-radius: 8px;
    }
    
    .qb-banner-caption {
        bottom: 45px;
        left: 20px;
        right: 20px;
    }
    
    .qb-banner-caption h3 {
        font-size: 20px;
        margin-bottom: 6px;
    }
    
    .qb-banner-caption p {
        font-size: 13px;
    }
    
    .qb-banner-arrow {
        width: 36px;
        height: 36px;
        opacity: 0.8;
        visibility: visible;
    }
    
    .qb-banner-prev {
        left: 10px;
    }
    
    .qb-banner-next {
        right: 10px;
    }
    
    .qb-banner-arrow svg {
        width: 20px;
        height: 20px;
    }
    
    .qb-banner-dots {
        bottom: 12px;
        gap: 6px;
        padding: 5px 10px;
    }
    
    .qb-banner-dot {
        width: 7px;
        height: 7px;
    }
    
    .qb-banner-dot.active {
        width: 18px;
    }
}

/* ========== 触控设备优化 ========== */
@media (hover: none) and (pointer: coarse) {
    .qb-banner-arrow {
        opacity: 0.7;
        visibility: visible;
    }
    
    .qb-banner:hover .qb-banner-arrow {
        opacity: 0.9;
    }
}

/* ========== 减少动画偏好 ========== */
@media (prefers-reduced-motion: reduce) {
    .qb-banner-slide,
    .qb-banner-caption,
    .qb-banner-arrow,
    .qb-banner-dot {
        transition: none !important;
    }
}


/* ---------- 服务亮点条 ---------- */
.feature-bar{background:var(--surface);border-bottom:1px solid var(--border)}
.feature-bar .row{gap:0}
.feature-item{flex:1;display:flex;align-items:center;gap:14px;padding:22px 20px;
  border-right:1px solid var(--border)}
.feature-item:last-child{border-right:0}
.feature-item .ic{font-size:30px;color:var(--primary)}
.feature-item b{display:block;font-size:15px}
.feature-item span{font-size:12.5px;color:var(--text-muted)}

/* ---------- 卡片：产品 / 案例 / 新闻 ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:.25s;height:100%;display:flex;flex-direction:column;padding: 5px;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.card .thumb{position:relative;width:100%;aspect-ratio:1/1;overflow:hidden;background:var(--primary-soft)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.07)}
.card .thumb .tag{position:absolute;left:10px;top:10px;background:var(--primary);color:#fff;
  font-size:11.5px;padding:3px 10px;border-radius:20px}
.card .body{padding:14px 11px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .body h3{font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .body .meta{font-size:12px;color:var(--text-light);display:flex;gap:12px;margin-top:auto}
.card .body .desc{font-size:13px;color:var(--text-muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 案例列表（横向大图 + 右侧信息，区别于产品网格） ---------- */
.case-list{display:flex;flex-direction:column;gap:20px}
.case-item{display:flex;gap:24px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:.25s;align-items:stretch}
.case-item:hover{box-shadow:var(--shadow-hover);border-color:transparent;transform:translateY(-2px)}
.case-img{position:relative;flex:none;width:320px;overflow:hidden;background:var(--primary-soft);display:block}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-item:hover .case-img img{transform:scale(1.06)}
.case-tag{position:absolute;left:14px;top:12px;background:var(--primary);color:#fff;font-size:11.5px;
  padding:3px 12px;border-radius:20px;letter-spacing:.5px}
.case-body{flex:1;min-width:0;padding:20px 24px 20px 0;display:flex;flex-direction:column;
  justify-content:space-between}
.case-info h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}
.case-info h3 a{color:var(--text)}
.case-info h3 a:hover{color:var(--primary)}
.case-meta{display:flex;gap:18px;font-size:12.5px;color:var(--text-light);margin-bottom:10px}
.case-meta span{display:flex;align-items:center;gap:5px}
.case-meta .ic{width:14px;height:14px;color:var(--primary-light)}
.case-desc{font-size:13.5px;color:var(--text-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.case-more{display:inline-flex;align-items:center;gap:5px;margin-top:10px;color:var(--primary);
  font-size:13.5px;font-weight:600;transition:gap .2s;align-self:flex-start}
.case-more .ic{width:16px;height:16px}
.case-more:hover{gap:10px;color:var(--accent)}
@media (max-width:768px){
  .case-item{flex-direction:column}
  .case-img{width:100%;aspect-ratio:16/9}
  .case-body{padding:16px}
}

.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(4,1fr)}

/* 新闻列表（横向条目） */
.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--border)}
.news-item:last-child{border-bottom:0}
.news-item .date{flex:none;width:64px;text-align:center;background:var(--primary-soft);
  border-radius:var(--radius-sm);color:var(--primary);padding:8px 0}
.news-item .date b{font-size:22px;display:block;line-height:1}
.news-item .date span{font-size:11px}
.news-item .txt{flex:1;min-width:0}
.news-item .txt h3{font-size:15px;font-weight:600;margin-bottom:4px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item .txt p{font-size:13px;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--primary)}
.news-item .thumb{flex:none;width:200px;aspect-ratio:1/1;border-radius:var(--radius-sm);overflow:hidden;background:var(--primary-soft)}
.news-item .thumb img{width:100%;height:100%;object-fit:cover}

/* 新闻列表（news.htm）缩略图 4/3 */
.news-list .news-item{display:flex;gap:20px;align-items:stretch;padding:18px 16px;margin:0 -16px;
  border-bottom:1px solid var(--border);border-radius:var(--radius-sm);transition:.2s}
.news-list .news-item:last-child{border-bottom:0}
.news-list .news-item:hover{background:var(--primary-soft)}
.news-list .news-item .thumb{flex:none;width:240px;aspect-ratio:4/3;border-radius:var(--radius);
  overflow:hidden;background:var(--primary-soft);display:block}
.news-list .news-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-list .news-item:hover .thumb img{transform:scale(1.06)}
.news-list .news-item .body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.news-list .news-item .body h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:8px}
.news-list .news-item .body h3 a{color:var(--text)}
.news-list .news-item .body h3 a:hover{color:var(--primary)}
.news-list .news-item .meta{display:flex;align-items:center;gap:8px;font-size:12.5px;
  color:var(--text-light);margin-bottom:8px}
.news-list .news-item .meta .ic{width:14px;height:14px;color:var(--primary-light)}
.news-list .news-item .meta .dot{opacity:.5}
.news-list .news-item .body p{font-size:13.5px;color:var(--text-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:768px){
  .news-list .news-item{flex-direction:column;gap:12px}
  .news-list .news-item .thumb{width:100%;aspect-ratio:16/9}
}

/* ---------- 关于 / 通用内容块 ---------- */
.lead{font-size:15px;color:var(--text-muted);line-height:1.9;max-width:880px}
.about-grid{grid-template-columns:1.1fr 1fr}
.about-pic{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-pic img{width:100%;height:100%;object-fit:cover}

/* 数据指标 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 18px;text-align:center;position:relative;overflow:hidden;transition:.28s}
.stat::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .28s}
.stat b{display:block;font-size:32px;color:var(--primary);line-height:1;transition:color .28s}
.stat span{font-size:13px;color:var(--text-muted);margin-top:6px;display:block;transition:color .28s}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.stat:hover::before{transform:scaleX(1)}
.stat:hover b{color:var(--accent)}
.stat:hover span{color:var(--text)}

/* ---------- 侧栏小部件 ---------- */
.widget{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:22px;overflow:hidden}
.widget-hd{display:flex;align-items:center;gap:8px;padding:14px 16px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));color:#fff;font-weight:600;font-size: 16px;}
.widget-hd .ic{font-size:17px}
.widget-bd{padding:14px 16px}
.cat-list li a{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:var(--radius-sm);
  color:var(--text-muted);font-weight:500}
.cat-list li a .ic{font-size:14px;color:var(--primary-light)}
.cat-list li a:hover,.cat-list li.active a{background:var(--primary-soft);color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{background:var(--bg);border:1px solid var(--border);border-radius:20px;
  padding:5px 13px;font-size:12.5px;color:var(--text-muted)}
.tag-cloud a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- 搜索框 ---------- */
.search-box{display:flex;border:1px solid var(--border);border-radius:30px;overflow:hidden;
  background:var(--surface)}
.search-box input{flex:1;border:0;padding:0 16px;height:42px;background:transparent}
.search-box button{border:0;background:var(--primary);color:#fff;padding:0 20px;cursor:pointer;
  display:flex;align-items:center;gap:6px;font-weight:600}
.search-box button:hover{background:var(--primary-dark)}
.search-inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.search-inline select,.search-inline input{border:1px solid var(--border);border-radius:var(--radius-sm);
  height:40px;padding:0 12px;background:var(--surface)}

/* ---------- 文章详情 ---------- */
.article{padding:34px 38px}
.article h1{font-size:26px;margin-bottom:10px}
.article .a-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--text-light);font-size:13px;
  padding-bottom:16px;margin-bottom:22px;border-bottom:1px solid var(--border)}
.article .a-meta span{display:inline-flex;align-items:center;gap:5px}
.article .a-body{font-size:15px;line-height:1.95;color:#3a4541}
.article .a-body p{margin:0 0 16px}
.article .a-body img{max-width:100%;border-radius:var(--radius-sm);margin:10px 0}
.article .a-body table{border-collapse:collapse;width:100%;margin:14px 0}
.article .a-body th,.article .a-body td{border:1px solid var(--border);padding:8px 12px}
.article .a-body th{background:var(--primary-soft)}

/* 详情页图文（产品参数） */
.pro-show{grid-template-columns:1fr 1fr;align-items:center}
.pro-show .pic{border-radius:var(--radius);overflow:hidden;background:var(--primary-soft);aspect-ratio:1/1}
.pro-show .pic img{width:100%;height:100%;object-fit:cover}
.spec-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.spec-list div{background:var(--surface);padding:13px 16px;display:flex;justify-content:space-between}
.spec-list div b{color:var(--text-muted);font-weight:500}
.spec-list div span{color:var(--primary);font-weight:600}

/* 上下篇 */
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:26px}
.pager a{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px 16px;font-size:13.5px;color:var(--text-muted);transition:.2s}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager a b{display:block;color:var(--text-light);font-weight:400;font-size:12px;margin-bottom:2px}

/* ---------- 相关资讯（1行2列） ---------- */
.section-block{margin-top:30px;padding-top:22px;border-top:1px solid var(--border);padding: 15px;}
.section-block .section-title{font-size:17px;font-weight:700;color:var(--text);position:relative;
  padding-left:14px;margin-bottom:14px}
.section-block .section-title::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;
  border-radius:4px;background:var(--primary)}
.rec-news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.rec-news-item{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);
  transition:.2s}
.rec-news-item:hover{background:var(--primary-soft);border-color:var(--primary-light);transform:translateX(3px)}
.rec-news-title{flex:1;min-width:0;font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.rec-news-item:hover .rec-news-title{color:var(--primary)}
.rec-news-date{flex:none;font-size:12px;color:var(--text-light)}
@media (max-width:560px){
  .rec-news-grid{grid-template-columns:1fr}
}

/* ---------- 相关产品（卡片网格，图片 1:1） ---------- */
.rec-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px}
.rec-product-item{display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:.25s}
.rec-product-item:hover{box-shadow:var(--shadow-hover);border-color:transparent;transform:translateY(-3px)}
.rec-product-img{aspect-ratio:1/1;overflow:hidden;background:var(--primary-soft)}
.rec-product-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.rec-product-item:hover .rec-product-img img{transform:scale(1.07)}
.rec-product-name{display:block;padding:10px 12px;font-size:13.5px;font-weight:500;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rec-product-item:hover .rec-product-name{color:var(--primary)}
@media (max-width:900px){.rec-product-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:680px){.rec-product-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.rec-product-grid{grid-template-columns:1fr}}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--surface);border-bottom:1px solid var(--border);margin-top: 15px;}
.crumb .wrap{display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--text-muted)}
.crumb .wrap a:hover{color:var(--primary)}
.crumb .ic{font-size:14px}

/* ---------- 选项卡标题（内页头部条） ---------- */
.page-banner{position:relative;color:#fff;padding:42px 0;overflow:hidden;
  background:linear-gradient(120deg,var(--primary-dark),var(--primary),var(--primary-light))}
/* 动态渐变光斑 */
.page-banner::before{content:"";position:absolute;inset:-50%;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.18),transparent 45%),
    radial-gradient(circle at 80% 70%,rgba(224,169,59,.22),transparent 50%);
  background-size:200% 200%;
  animation:pbFloat 12s ease-in-out infinite}
/* 缓慢移动网格 */
.page-banner::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.12;
  background-image:
    linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px),
    linear-gradient(0deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:46px 46px;
  animation:pbGrid 22s linear infinite}
.page-banner .wrap{position:relative;z-index:1}
.page-banner h1{color:#fff;font-size:30px}
.page-banner p{color:#d4e8e6;margin-top:8px;letter-spacing:1px}
@keyframes pbFloat{
  0%{background-position:0% 0%}
  50%{background-position:100% 100%}
  100%{background-position:0% 0%}
}
@keyframes pbGrid{
  0%{background-position:0 0}
  100%{background-position:46px 46px}
}
@media (prefers-reduced-motion:reduce){
  .page-banner::before,.page-banner::after{animation:none}
}

/* ---------- 留言表单 ---------- */
.form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.form .f-row{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:18px}
.form .f-item{flex:1;min-width:220px}
.form label{display:block;font-weight:600;margin-bottom:7px;font-size:13.5px}
.form label i{color:#d9534f;font-style:normal}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:0 14px;height:44px;background:var(--bg);transition:.2s}
.form textarea{height:120px;padding:12px 14px;resize:vertical}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--primary);
  background:#fff;box-shadow:0 0 0 3px var(--primary-soft)}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin:30px 0 6px;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--surface);color:var(--text-muted);min-width:42px;text-align:center;transition:.2s; margin:0 1px;}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination .fcur{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .disabled{opacity:.5;cursor:not-allowed}

/* ---------- 联系信息块 ---------- */
.contact-card{display:flex;flex-direction:column;gap:14px}
.contact-card .ci{display:flex;gap:12px;align-items:flex-start}
.contact-card .ci .ic{font-size:20px;color:var(--primary);margin-top:2px}
.contact-card .ci b{display:block;font-size:13px;color:var(--text-light);font-weight:500}
.contact-card .ci span{font-size:14.5px}

/* ---------- 友情链接 ---------- */
.flink{display:flex;flex-wrap:wrap;gap:10px}
.flink a{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:8px 16px;font-size:13px;color:var(--text-muted)}
.flink a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#a9c4c1;margin-top:50px}
.site-footer a{color:#a9c4c1}
.site-footer a:hover{color:#fff}
.foot-main{padding:46px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-logo{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.foot-logo .mark{width:42px;height:42px}
.foot-logo b{color:#fff;font-size:18px;display:block}
.foot-about{font-size:13px;line-height:1.9;max-width:300px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px;padding-left:12px;position:relative}
.foot-col h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;
  background:var(--accent);border-radius:3px}
.foot-col ul li{margin-bottom:10px;font-size:13.5px}
.foot-col ul li a{display:inline-flex;align-items:center;gap:6px}
.foot-col ul li a .ic{font-size:13px}
.foot-contact .ci{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:13.5px}
.foot-contact .ci .ic{color:var(--accent);font-size:17px;margin-top:2px}
.foot-contact .qr{background:#fff;padding:8px;border-radius:8px;width:104px;margin-top:6px}
.foot-contact .qr img{width:100%}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:12.5px;
  text-align:center;color:#8faeaa}
.foot-bottom .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- 右侧悬浮工具 ---------- */
.float-tools{position:fixed;right:18px;bottom:90px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-tools a{width:46px;height:46px;border-radius:50%;background:var(--surface);color:var(--primary);
  box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;font-size:20px;
  transition:.2s;position:relative}
.float-tools a:hover{background:var(--primary);color:#fff;transform:scale(1.08)}
.float-tools .gotop{background:var(--primary);color:#fff}
/* 悬浮电话提示 */
.float-tools .ft-tip{position:absolute;right:56px;top:50%;transform:translateY(-50%) scale(.92);
  background:var(--primary);color:#fff;padding:7px 13px;border-radius:8px;font-size:21px;font-weight:600;
  white-space:nowrap;opacity:0;visibility:hidden;transition:.2s;pointer-events:none;letter-spacing:.5px}
.float-tools .ft-tip::after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;border-left-color:var(--primary)}
.float-tools a:hover .ft-tip{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:50px 0;color:var(--text-light)}
.empty .ic{font-size:46px;opacity:.4}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .side-col{display:none}
  .mainnav>li>a{padding:0 11px;font-size:14.5px}
}
@media (max-width:768px){
  :root{--pad:14px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,1fr)}
  .about-grid,.pro-show,.stats{grid-template-columns:1fr}
  .topbar .t-left span{display:none}
  .nav-cta{display:none}
  .banner-track,.banner-slide img{height:260px}
  .banner-cap h2{font-size:24px}
}

/* ---------- 导航小箭头 / 搜索条 / 微信气泡 ---------- */
.caret{width:.8em;height:.8em;opacity:.7;margin-left:2px}
.search-strip{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 0}
.search-strip .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.search-strip .search-box{flex:1;max-width:520px}
.hot-words{font-size:13px;color:var(--text-muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.hot-words a{color:var(--text-muted)}
.hot-words a:hover{color:var(--primary)}
.ft-wx{position:relative}
.ft-wx-qr{position:absolute;right:54px;bottom:0;background:#fff;padding:6px;border-radius:8px;
  box-shadow:var(--shadow);display:none;width:104px}
.ft-wx:hover .ft-wx-qr{display:block}
.ft-wx-qr img{width:100%;border-radius:4px}

/* ---------- 首页数据条 ---------- */
.data-bar{background:var(--surface)}
.data-bar .wrap{padding-top:30px;padding-bottom:30px}
.home-about{background:#fff}
.home-news .news-col{flex:1}
.home-news .news-col .sec-head{margin-bottom:14px}

/* ===== 首页专属样式 ===== */
/* 广告条 */
.cta-bar{position:relative;color:#fff;padding:34px 0;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));
  overflow:hidden}
.cta-bar::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;
  background-image:
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(0deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:48px 48px}
/*.cta-bar::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:rgba(255,255,255,.08);transform:translateY(-50%)} */
.cta-bar-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-text{flex:1;min-width:280px;padding:18px 26px;border:1px dashed rgba(255,255,255,.55);border-radius:4px;position:relative}
.cta-text::before,.cta-text::after{content:"";position:absolute;width:6px;height:6px;border:1px solid rgba(255,255,255,.7);border-radius:50%}
.cta-text::before{top:-3px;left:-3px}
.cta-text::after{bottom:-3px;right:-3px}
.cta-text h3{font-size:22px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:8px}
.cta-text p{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.7;letter-spacing:.5px}
.cta-action{display:flex;align-items:center;gap:22px;flex:none}
.cta-phone{display:flex;align-items:center;gap:12px}
.cta-phone-ic{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;flex:none;
  border:1px solid rgba(255,255,255,.25)}
.cta-phone-ic .ic{width:20px;height:20px;color:#fff}
.cta-phone-txt{font-size:15px;color:rgba(255,255,255,.85)}
.cta-phone-txt b{font-size:24px;font-weight:800;color:#fff;letter-spacing:1px;margin-left:4px}
.cta-btn{background:linear-gradient(135deg,#ff8a3d,#f47c30);color:#fff;border:0;padding:0 30px;
  height:46px;line-height:46px;border-radius:4px;font-size:15.5px;font-weight:600;letter-spacing:1px;
  box-shadow:0 6px 16px rgba(244,124,48,.35)}
.cta-btn:hover{background:linear-gradient(135deg,#f47c30,#e96a1c);color:#fff;transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(244,124,48,.45)}
@media (max-width:768px){
  .cta-bar-inner{flex-direction:column;align-items:stretch;gap:20px}
  .cta-text{text-align:center;padding:16px 18px}
  .cta-text h3{font-size:18px}
  .cta-action{justify-content:center;flex-wrap:wrap;gap:16px}
  .cta-phone-txt b{font-size:20px}
}

/* 实力数据条 */
.data-bar .stats .stat b{font-size:30px}

/* 五大优势 */
.adv-row{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.adv-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  transition:.25s;overflow:hidden;display:flex;flex-direction:column}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.adv-card .adv-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--primary-soft)}
.adv-card .adv-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.adv-card:hover .adv-img img{transform:scale(1.08)}
.adv-card .no{position:absolute;left:12px;top:10px;font-size:32px;font-weight:800;color:#fff;
  line-height:1;letter-spacing:1px;text-shadow:0 2px 6px rgba(0,0,0,.4);opacity:.95}
.adv-card .adv-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.adv-card h5{font-size:16px;margin:2px 0 4px}
.adv-card h5 em{display:block;font-size:11px;font-style:normal;font-weight:400;color:var(--text-light);letter-spacing:1px;margin-top:2px}
.adv-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-top:6px;border-bottom: #c4c4c4 1px dashed;
  padding-bottom: 5px;}
.adv-card .adv-link{display:inline-flex;align-items:center;gap:4px;margin-top:auto;padding-top:12px;color:var(--primary);
  font-size:13px;font-weight:600;transition:gap .2s}
.adv-card .adv-link:hover{gap:9px}

/* 产品中心布局 */
.prod-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;align-items:start}
.prod-nav{position:sticky;top:90px}
.prod-nav h3{font-size:18px;margin-bottom:12px;padding-left:12px;position:relative}
.prod-nav h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--primary)}
.prod-nav ul li a{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius-sm);
  color:var(--text-muted);font-weight:500}
.prod-nav ul li a .ic{color:var(--primary-light);font-size:14px}
.prod-nav ul li a:hover{background:var(--primary-soft);color:var(--primary)}

/* 新闻 + 常见问题 */
.home-cols{display:grid;grid-template-columns:1.45fr 1fr;gap:26px;align-items:start}
.faq-item{padding:14px 0;border-bottom:1px dashed var(--border);  padding-bottom: 12px;}
.faq-item:last-child{border-bottom:0}
.faq-item h4{font-size:14.5px;font-weight:600;margin-bottom:6px;display:flex;gap:8px;align-items:flex-start;line-height:1.5}
.faq-item h4 b{color:var(--primary);flex:none;font-size:15px;line-height:1.3}
.faq-item p{font-size:13px;color:var(--text-muted);padding-left:23px;line-height:1.7}

@media (max-width:1100px){
  .adv-row{grid-template-columns:repeat(3,1fr)}
  .prod-layout{grid-template-columns:1fr}
  .prod-nav{position:static}
  .home-cols{grid-template-columns:1fr}
}
@media (max-width:768px){
  .adv-row{grid-template-columns:repeat(2,1fr)}
  .cta-bar p{font-size:14px}
  .cta-bar p b{font-size:20px}
}

/* 排行榜列表 */
.rank-list li{display:flex;align-items:center;gap:10px;padding:15px 0;border-bottom:1px dashed var(--border)}
.rank-list li:last-child{border-bottom:0}
.rank-list span{font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);
  border-radius:6px;padding:2px 8px;flex:none}
.rank-list a{color:var(--text);font-weight:500;transition:.2s}
.rank-list a:hover{color:var(--primary)}