/* ==========================================================================
   丹伦斯（泉州）智能设备有限公司 - 官网前台样式
   简约大气 / 制造业稳重风格 / 全站响应式
   ========================================================================== */

:root {
    --brand: #0b4f9e;
    --brand-d: #073a78;
    --brand-l: #1a72d0;
    --accent: #00a6e0;
    --ink: #1b2733;
    --ink-2: #46525f;
    --muted: #7a8695;
    --line: #e5eaf1;
    --bg: #f5f7fa;
    --bg-2: #eef2f7;
    --white: #fff;
    --radius: 10px;
    --shadow: 0 2px 14px rgba(19, 47, 84, .06);
    --shadow-lg: 0 14px 40px rgba(19, 47, 84, .12);
    --container: 1240px;
    --t: .25s ease;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    color: var(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
a:hover { color: var(--brand); }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.35; }
p { margin: 0 0 1em; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
.icon { display: inline-block; vertical-align: middle; flex: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 clamp(20px, 3vw, 40px); }
.clearfix::after { content: ''; display: block; clear: both; }
.text-center { text-align: center; }
.hidden { display: none !important; }

/* ---------------- 顶部信息条 ---------------- */
.topbar {
    background: #f2f5f9;
    border-bottom: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 38px; }
.topbar-links { display: flex; gap: 18px; align-items: center; }
.topbar-links a:hover { color: var(--brand); }
.topbar .tb-phone { color: var(--brand); font-weight: 600; }

/* ---------------- 头部 / 导航 ---------------- */
.header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 20px; }

.logo { display: flex; align-items: center; flex: none; }
.logo img { height: 42px; width: auto; object-fit: contain; }

.nav { display: flex; align-items: center; height: 100%; }
.nav > li { position: relative; }
.nav > li > a {
    display: flex; align-items: center; height: 78px; padding: 0 18px;
    font-size: 17px; font-weight: 500; color: var(--ink-2); position: relative;
}
.nav > li > a::after {
    content: ''; position: absolute; left: 18px; right: 18px; bottom: 20px; height: 2px;
    background: var(--brand); transform: scaleX(0); transition: transform var(--t); transform-origin: left;
}
.nav > li:hover > a, .nav > li.active > a { color: var(--brand); }
.nav > li:hover > a::after, .nav > li.active > a::after { transform: scaleX(1); }
/* 当前/点击项：加深背景 */
.nav > li.active > a { background: var(--brand-d); color: #fff; border-radius: 9px; }
.nav > li.active > a::after { display: none; }

.subnav {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
    min-width: 178px; background: #fff; border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden;
    transition: all var(--t); border: 1px solid var(--line);
}
.nav > li:hover .subnav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.subnav a {
    display: flex; align-items: center; gap: 9px; padding: 9px 12px; border-radius: 7px;
    font-size: 15.5px; color: var(--ink-2); white-space: nowrap;
}
.subnav a:hover, .subnav a.active { background: var(--brand-d); color: #fff; }

.header-cta { display: flex; align-items: center; gap: 10px; flex: none; }
.header-phone { text-align: right; line-height: 1.25; }
.header-phone small { display: block; font-size: 11.5px; color: var(--muted); }
.header-phone b { font-size: 20px; color: var(--brand); letter-spacing: .3px; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; padding: 0; position: relative; }
.burger span, .burger::before, .burger::after {
    content: ''; position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); transition: all var(--t);
}
.burger::before { top: 14px; }
.burger span { top: 20px; }
.burger::after { bottom: 14px; }
.burger.on::before { top: 20px; transform: rotate(45deg); }
.burger.on span { opacity: 0; }
.burger.on::after { bottom: 20px; transform: rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
    position: fixed; inset: 0 0 0 auto; width: 290px; max-width: 84vw; background: #fff; z-index: 200;
    transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; padding: 20px 0 40px;
    box-shadow: -8px 0 30px rgba(0, 0, 0, .12);
}
.drawer.on { transform: translateX(0); }
.drawer-mask { position: fixed; inset: 0; background: rgba(15, 26, 40, .45); z-index: 199; opacity: 0; visibility: hidden; transition: all .3s; }
.drawer-mask.on { opacity: 1; visibility: visible; }
.drawer h4 { padding: 0 22px 14px; font-size: 13px; color: var(--muted); font-weight: 600; letter-spacing: 1px; }
.drawer li a { display: block; padding: 14px 22px; border-bottom: 1px solid #f1f4f8; font-size: 17px; }
.drawer li a.sub { padding-left: 38px; font-size: 15px; color: var(--muted); }
.drawer li a:active, .drawer li a.active { background: var(--brand-d); color: #fff; }
.drawer li a.sub:active, .drawer li a.sub.active { background: var(--brand-d); color: #fff; }
.drawer-foot { padding: 22px; }
.drawer-foot a { display: block; text-align: center; background: var(--brand); color: #fff; padding: 12px; border-radius: 8px; font-weight: 600; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border-radius: 8px; font-size: 15px; font-weight: 600;
    border: 1px solid transparent; cursor: pointer; transition: all var(--t); white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(11, 79, 158, .25); }
.btn-primary:hover { background: var(--brand-d); color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; border-color: #fff; }
.btn-line { border-color: var(--brand); color: var(--brand); background: #fff; }
.btn-line:hover { background: var(--brand); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }

/* ---------------- 首页 Banner - 现代图片轮播 ---------------- */
.hero-modern {
    position: relative; overflow: hidden; width: 100%; height: 580px;
    background: #08294f;
}
.hm-slides { position: relative; width: 100%; height: 100%; }
.hm-slide {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    background-repeat: no-repeat; display: none;
    align-items: center; padding: 90px 0;
}
.hm-slide.on { display: flex; animation: hmFadeIn .8s ease both; }
@keyframes hmFadeIn { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: none; } }

/* 无图片时的渐变背景 */
.hm-slide.theme-blue { background-image: linear-gradient(120deg, #0a3f7d 0%, #0b4f9e 45%, #1481c4 100%); }
.hm-slide.theme-dark { background-image: linear-gradient(120deg, #10243c 0%, #143d68 55%, #0f5d8f 100%); }
.hm-slide.theme-steel { background-image: linear-gradient(120deg, #14324f 0%, #24557f 50%, #3d7ea8 100%); }

.hm-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(8,41,79,.75) 0%, rgba(8,41,79,.35) 50%, rgba(8,41,79,.15) 100%);
}
/* 文案层：与页面 container 对齐；本身不吃点击，只有按钮可点，保证「整图可点」仍有效 */
.hm-inner {
    position: relative; z-index: 2; color: #fff;
    width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px;
    pointer-events: none;
}
.hm-inner a, .hm-inner button { pointer-events: auto; }
.hm-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; border-radius: 40px;
    background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24);
    font-size: 13.5px; letter-spacing: .6px; margin-bottom: 22px;
}
.hm-title {
    font-size: 48px; line-height: 1.2; letter-spacing: 1px; margin: 0 0 16px; max-width: 780px;
    text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.hm-intro {
    font-size: 16px; color: rgba(255,255,255,.9); margin: 0 0 28px; line-height: 1.75; max-width: 620px;
    text-shadow: 0 1px 10px rgba(4, 24, 48, .55);
}
.hm-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* 整张可点击（仅主图区域，圆点和箭头在其之上） */
.hm-link { position: absolute; inset: 0; z-index: 1; }

/* 左右箭头（必须在 hm-link 之上） */
.hm-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 10; width: 48px; height: 48px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,.55); background: rgba(0,0,0,.18);
    color: #fff; font-size: 26px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .3s ease; line-height: 1; padding: 0;
}
.hm-arrow:hover { background: var(--brand); border-color: var(--brand); transform: translateY(-50%) scale(1.08); }
.hm-prev { left: 20px; }
.hm-next { right: 20px; }

/* 圆点指示器（必须在 hm-link 之上） */
.hm-dots {
    position: absolute; left: 0; right: 0; bottom: 24px; z-index: 10;
    display: flex; justify-content: center; gap: 10px;
}
.hm-dots button {
    width: 32px; height: 5px; border-radius: 3px; border: 0; cursor: pointer;
    background: rgba(255,255,255,.38); padding: 0; transition: all .35s ease;
}
.hm-dots button.on { background: #fff; width: 48px; }

/* 首页四大品类快捷条 */
.quickbar { background: #fff; box-shadow: var(--shadow); border-radius: var(--radius); margin-top: -46px; position: relative; z-index: 5; overflow: hidden; }
.quickbar-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.quickbar-item { display: flex; align-items: center; gap: 14px; padding: 24px 26px; border-right: 1px solid var(--line); transition: all var(--t); }
.quickbar-item:last-child { border-right: 0; }
.quickbar-item:hover { background: var(--bg); }
.quickbar-item .qi-ico {
    width: 46px; height: 46px; border-radius: 10px; background: rgba(11, 79, 158, .08); color: var(--brand);
    display: flex; align-items: center; justify-content: center; flex: none;
}
.quickbar-item:hover .qi-ico { background: var(--brand); color: #fff; }
.quickbar-item b { display: block; font-size: 16px; }
.quickbar-item small { color: var(--muted); font-size: 12.5px; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 78px 0; }
.section.bg { background: var(--bg); }
.section.bg2 { background: var(--bg-2); }
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-head .en { font-size: 12.5px; letter-spacing: 3px; color: var(--accent); text-transform: uppercase; font-weight: 600; }
.sec-head h2 { font-size: 32px; margin: 8px 0 14px; letter-spacing: .5px; }
.sec-head h2 em { font-style: normal; color: var(--brand); }
.sec-head p { color: var(--muted); max-width: 720px; margin: 0 auto; font-size: 15px; }
.sec-head .line { width: 46px; height: 3px; background: var(--brand); margin: 0 auto 16px; border-radius: 2px; }
.sec-head.left { text-align: left; }
.sec-head.left .line { margin-left: 0; }
.sec-head.left p { margin-left: 0; }

/* ---------------- 产品卡片 ---------------- */
.prod-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.prod-tabs a {
    padding: 9px 22px; border-radius: 40px; background: #fff; border: 1px solid var(--line);
    font-size: 14.5px; color: var(--ink-2);
}
.prod-tabs a:hover { border-color: var(--brand); color: var(--brand); }
.prod-tabs a.on { background: var(--brand); border-color: var(--brand); color: #fff; }

.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    transition: all var(--t); display: flex; flex-direction: column;
}
.prod-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.prod-fig {
    position: relative; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(150deg, #f3f7fc 0%, #e6edf6 100%); color: var(--brand); overflow: hidden;
}
.prod-fig img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
/* 无实拍图时的品牌化占位：柔和圆环 + 细线品类图标 + 极细网格，看起来是刻意设计而非缺图 */
.prod-fig .ph {
    position: relative; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    width: 88px; height: 88px; border-radius: 50%;
    background: rgba(255,255,255,.78);
    border: 1px solid rgba(11,79,158,.15);
    box-shadow: 0 8px 22px rgba(19,47,84,.07), inset 0 1px 0 rgba(255,255,255,.95);
}
.prod-fig .ph .icon { opacity: .8; }
.prod-fig::before {
    content: ''; position: absolute; inset: 0; opacity: .55;
    background-image:
        linear-gradient(rgba(11,79,158,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11,79,158,.055) 1px, transparent 1px);
    background-size: 22px 22px;
    -webkit-mask-image: radial-gradient(circle at 50% 46%, #000 0%, transparent 76%);
    mask-image: radial-gradient(circle at 50% 46%, #000 0%, transparent 76%);
}
.prod-fig::after {
    content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(11, 79, 158, .07));
}
.prod-badge {
    position: absolute; top: 12px; left: 12px; z-index: 2; background: var(--accent); color: #fff;
    font-size: 11.5px; padding: 3px 10px; border-radius: 4px; font-weight: 600; letter-spacing: .5px;
}
.prod-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.prod-body .model { font-size: 12px; color: var(--accent); font-weight: 700; letter-spacing: 1px; }
.prod-body h3 { font-size: 16.5px; margin: 5px 0 8px; }
.prod-card:hover .prod-body h3 { color: var(--brand); }
.prod-body p { font-size: 13.5px; color: var(--muted); line-height: 1.7; margin: 0 0 14px; flex: 1; }
.prod-more { display: flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--brand); font-weight: 600; }
.prod-card:hover .prod-more .icon { transform: translateX(4px); }
.prod-more .icon { transition: transform var(--t); }

/* ---------------- 产品中心 - 六宫格混排大图卡片（左大+中四小+右大） ---------------- */
.cat-gallery {
    display: grid;
    /* 左右两列略宽（大卡），中间两列略窄（小卡） */
    grid-template-columns: 1.15fr 1fr 1fr 1.15fr;
    grid-auto-rows: 200px;
    gap: 14px;
}
.cat-card {
    position: relative; border-radius: 12px; overflow: hidden;
    display: block; box-shadow: var(--shadow); transition: all var(--t);
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

/* 显式定位：第1张左大卡、第6张右大卡（左右等大，各跨2行），中间4张小卡（2×2） */
.cat-card:nth-child(1) { grid-column: 1; grid-row: 1 / span 2; }  /* 左大卡 */
.cat-card:nth-child(2) { grid-column: 2; grid-row: 1; }          /* 中上1 */
.cat-card:nth-child(3) { grid-column: 3; grid-row: 1; }          /* 中上2 */
.cat-card:nth-child(4) { grid-column: 2; grid-row: 2; }          /* 中下1 */
.cat-card:nth-child(5) { grid-column: 3; grid-row: 2; }          /* 中下2 */
.cat-card:nth-child(6) { grid-column: 4; grid-row: 1 / span 2; } /* 右大卡 */

/* 分类封面：后台已按卡片比例出图（大卡 3:4 / 小卡 4:3），这里直接 cover 铺满，
   图片内的留白由后台统一控制，前台不再二次缩放（原来 padding 13% + contain 会缩两遍）。
   background-blend-mode: multiply 让封面的白底融进卡片底色，与卡片无色差边界。
   移动端分支另见 @media (max-width: 640px)：那里卡片比例不同，改回 contain。 */
.cat-fig {
    position: absolute; inset: 0;
    background-size: cover; background-position: center; background-repeat: no-repeat;
    background-color: #eef3f9;
    background-blend-mode: multiply;
}
.cat-fig::before {
    content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(11, 79, 158, .07);
}
/* 无图片时的渐变占位背景（6种不同色调） */
.cat-fig-bg { position: absolute; inset: 0; opacity: .95; }
.cat-bg-1 { background: linear-gradient(135deg, #0d3b66 0%, #1a5fb4 50%, #3584e4 100%); }
.cat-bg-2 { background: linear-gradient(135deg, #1a5fb4 0%, #2979c9 50%, #62a0ea 100%); }
.cat-bg-3 { background: linear-gradient(135deg, #1565c0 0%, #1e88e5 50%, #64b5f6 100%); }
.cat-bg-4 { background: linear-gradient(135deg, #0d47a1 0%, #1976d2 50%, #42a5f5 100%); }
.cat-bg-5 { background: linear-gradient(135deg, #0a3f7d 0%, #1565c0 50%, #1e88e5 100%); }
.cat-bg-6 { background: linear-gradient(135deg, #1c71d8 0%, #3584e4 50%, #99c1f1 100%); }

/* 悬停遮罩：平时完全透明（不遮挡图片），鼠标悬停时才浮现 */
.cat-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(11,79,158,.35) 0%, rgba(7,58,120,.62) 100%);
    opacity: 0;
    transition: opacity .35s ease;
}
.cat-card:hover .cat-overlay { opacity: 1; }

.cat-info {
    position: absolute; inset: 0; z-index: 2;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 24px; text-align: center;
}
/* 分类名等常驻文字不再显示，只保留悬停时的「了解更多」 */
.cat-name-cn,
.cat-name-en { display: none; }
/* 了解更多按钮 - 默认隐藏，hover 显示 */
.cat-more {
    display: inline-block; margin-top: 0;
    padding: 8px 24px; font-size: 13px;
    border: 1.5px solid #fff; border-radius: 4px;
    color: #fff; background: rgba(255,255,255,.14);
    opacity: 0; transform: translateY(8px);
    transition: all .35s ease;
    letter-spacing: 1px;
}
.cat-card:hover .cat-more {
    opacity: 1; transform: translateY(0);
}
.cat-more:hover {
    background: #fff; border-color: #fff; color: var(--brand);
}

/* ---------------- 优势 ---------------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.adv-item { background: #fff; border-radius: var(--radius); padding: 32px 26px; border: 1px solid var(--line); transition: all var(--t); }
.adv-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.adv-ico {
    width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%); color: #fff; margin-bottom: 18px;
    box-shadow: 0 8px 18px rgba(11, 79, 158, .22);
}
.adv-item h3 { font-size: 17.5px; margin-bottom: 10px; }
.adv-item p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------------- 数据统计 ---------------- */
.stats { background: linear-gradient(115deg, #0a3f7d 0%, #0b4f9e 55%, #1275b8 100%); color: #fff; position: relative; overflow: hidden; }
.stats::before {
    content: ''; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 48px 48px;
}
.stats .container { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 58px 0; text-align: center; }
.stat-num { font-size: 44px; font-weight: 800; letter-spacing: 1px; line-height: 1.1; }
.stat-num sup { font-size: 18px; margin-left: 3px; font-weight: 600; opacity: .9; }
.stat-item p { margin: 8px 0 0; color: rgba(255, 255, 255, .8); font-size: 14.5px; }

/* ---------------- 解决方案 ---------------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol-card {
    position: relative; border-radius: var(--radius); overflow: hidden; padding: 34px 28px; color: #fff;
    background: linear-gradient(140deg, #123c68 0%, #0b4f9e 100%); min-height: 250px;
    display: flex; flex-direction: column; transition: all var(--t);
}
.sol-card:nth-child(3n+2) { background: linear-gradient(140deg, #10314f 0%, #1a6098 100%); }
.sol-card:nth-child(3n) { background: linear-gradient(140deg, #143b52 0%, #0f6e9c 100%); }
.sol-card::after {
    content: ''; position: absolute; right: -40px; bottom: -40px; width: 170px; height: 170px; border-radius: 50%;
    background: rgba(255, 255, 255, .07); transition: all .4s;
}
.sol-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); color: #fff; }
.sol-card:hover::after { transform: scale(1.4); }
.sol-card .sol-ico { position: relative; z-index: 2; color: rgba(255, 255, 255, .92); margin-bottom: 16px; }
.sol-card h3 { position: relative; z-index: 2; font-size: 19px; margin-bottom: 12px; }
.sol-card p { position: relative; z-index: 2; font-size: 14px; color: rgba(255, 255, 255, .8); flex: 1; }
.sol-card .more { position: relative; z-index: 2; font-size: 13.5px; display: flex; align-items: center; gap: 6px; font-weight: 600; }

/* 解决方案列表页 */
.sol-list { display: flex; flex-direction: column; gap: 24px; }
.sol-row {
    display: grid; grid-template-columns: 320px 1fr; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; transition: all var(--t);
}
.sol-row:hover { box-shadow: var(--shadow-lg); border-color: transparent; }
.sol-row-fig {
    position: relative; overflow: hidden;
    background: linear-gradient(140deg, #123c68 0%, #0b4f9e 100%); color: #fff;
    display: flex; align-items: center; justify-content: center; padding: 40px 20px;
}
/* 左侧块改为「序号 + 图标」：标题交回右侧完整显示，避免 6 字硬截断读成断句 */
.sol-row-no {
    position: absolute; right: 12px; bottom: -6px;
    font-size: 78px; font-weight: 800; line-height: 1;
    color: rgba(255, 255, 255, .13); letter-spacing: -3px;
    pointer-events: none; user-select: none;
}
.sol-row-ico {
    position: relative; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    width: 88px; height: 88px; border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
}
.sol-row-body { padding: 28px 30px; }
.sol-row-body h3 { font-size: 21px; margin-bottom: 10px; }
.sol-row-body > p { color: var(--muted); font-size: 14.5px; }
.sol-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 22px; margin: 16px 0 20px; }
.sol-points li { display: flex; gap: 8px; align-items: flex-start; font-size: 13.8px; color: var(--ink-2); }
.sol-points li .icon { color: var(--brand); margin-top: 3px; }
.sol-points li b { color: var(--ink); }

/* ---------------- 新闻 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 26px 24px; transition: all var(--t); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.news-tag { background: rgba(11, 79, 158, .08); color: var(--brand); padding: 2px 9px; border-radius: 4px; font-weight: 600; }
.news-card h3 { font-size: 17px; line-height: 1.55; margin-bottom: 10px; }
.news-card:hover h3 { color: var(--brand); }
.news-card p { font-size: 13.8px; color: var(--muted); flex: 1; margin-bottom: 16px; }
.news-card .more { font-size: 13.5px; color: var(--brand); font-weight: 600; display: flex; align-items: center; gap: 6px; }
/* 首页新闻卡片缩略图 */
.news-fig {
    margin: -2px 0 16px; border-radius: 8px; overflow: hidden;
    aspect-ratio: 16 / 10; background: var(--bg-2);
}
.news-fig img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.news-card:hover .news-fig img { transform: scale(1.05); }

.newslist { display: flex; flex-direction: column; gap: 18px; }
.newsrow {
    display: grid; grid-template-columns: 104px 1fr 190px; gap: 26px; align-items: center;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; transition: all var(--t);
}
.newsrow:hover { box-shadow: var(--shadow-lg); border-color: transparent; }
.newsrow-date { text-align: center; border-right: 1px solid var(--line); padding-right: 20px; }
.newsrow-date b { display: block; font-size: 30px; color: var(--brand); line-height: 1.1; font-weight: 800; }
.newsrow-date span { font-size: 12.5px; color: var(--muted); }
.newsrow h3 { font-size: 18px; margin-bottom: 8px; }
.newsrow:hover h3 { color: var(--brand); }
.newsrow p { font-size: 14px; color: var(--muted); margin: 0; }
/* 列表缩略图 */
.newsrow-fig {
    width: 190px; height: 120px; border-radius: 8px; overflow: hidden; flex: none;
    background: var(--bg-2);
}
.newsrow-fig img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.newsrow:hover .newsrow-fig img { transform: scale(1.06); }
.newsrow-fig-ph {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #0d3b66 0%, #1a5fb4 50%, #3584e4 100%);
}

/* ---------------- 合作 / CTA ---------------- */
.cta {
    background: linear-gradient(115deg, #0b4f9e 0%, #0d6bb5 60%, #00a6e0 100%); color: #fff; padding: 56px 0;
}
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta h2 { font-size: 28px; margin-bottom: 8px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .85); }
.cta-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.cta-phone { text-align: right; }
.cta-phone small { display: block; font-size: 13px; color: rgba(255, 255, 255, .8); }
.cta-phone b { font-size: 28px; letter-spacing: .5px; }

/* ---------------- 内页 Banner + 面包屑 ---------------- */
.page-hero {
    background: linear-gradient(120deg, #0a3f7d 0%, #0b4f9e 55%, #1275b8 100%);
    color: #fff; padding: 62px 0; position: relative; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 85% 20%, rgba(255, 255, 255, .14), transparent 45%),
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: auto, 50px 50px, 50px 50px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 34px; letter-spacing: 1px; margin-bottom: 10px; }
.page-hero p { color: rgba(255, 255, 255, .82); margin: 0; max-width: 700px; }

.crumb { background: #fff; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--muted); }
.crumb .container { display: flex; align-items: center; gap: 8px; height: 50px; overflow-x: auto; white-space: nowrap; }
.crumb a:hover { color: var(--brand); }
.crumb .sep { color: #c8d0da; }

/* ---------------- 内容主体布局 ---------------- */
.layout { display: grid; grid-template-columns: 268px 1fr; gap: 34px; align-items: flex-start; }
.aside { position: sticky; top: 96px; }
.aside-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; }
.aside-hd { background: linear-gradient(120deg, var(--brand) 0%, #1275b8 100%); color: #fff; padding: 20px 22px; }
.aside-hd b { font-size: 18px; display: block; }
.aside-hd small { font-size: 11.5px; letter-spacing: 1.5px; opacity: .8; text-transform: uppercase; }
.aside-menu li a {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 14px 22px; border-bottom: 1px solid #f1f4f8; font-size: 14.8px; color: var(--ink-2);
}
.aside-menu li a:hover { background: var(--bg); color: var(--brand); padding-left: 26px; }
.aside-menu li a.on { background: rgba(11, 79, 158, .06); color: var(--brand); font-weight: 600; border-left: 3px solid var(--brand); }
.aside-contact { padding: 22px; background: #fff; }
.aside-contact .ac-item { display: flex; gap: 10px; font-size: 13.8px; color: var(--ink-2); margin-bottom: 12px; }
.aside-contact .ac-item .icon { color: var(--brand); flex: none; margin-top: 3px; }
.aside-contact .ac-tel { font-size: 21px; color: var(--brand); font-weight: 800; margin-bottom: 4px; }

.main-panel { min-width: 0; }

/* 文章 / 富文本 */
.article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 40px; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 26px; }
.article-head h1, .article-head h2 { font-size: 26px; line-height: 1.45; margin-bottom: 12px; }
.article-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
/* 详情页封面图 */
.article-cover { margin: 0 0 26px; border-radius: var(--radius); overflow: hidden; background: var(--bg-2); }
.article-cover img { width: 100%; height: auto; display: block; }
.content { font-size: 15.2px; line-height: 1.95; color: var(--ink-2); }
.content h3 { font-size: 18.5px; color: var(--ink); margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--brand); }
.content h4 { font-size: 16.5px; margin: 20px 0 10px; }
.content ul, .content ol { margin: 0 0 16px; padding-left: 22px; }
.content ul li { list-style: disc; margin-bottom: 7px; }
.content ol li { list-style: decimal; margin-bottom: 7px; }
.content img { border-radius: 8px; margin: 14px 0; }
.content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.content th, .content td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.content th { background: var(--bg); }
.content strong { color: var(--ink); }

.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 14px; flex-wrap: wrap; }
.article-nav a { color: var(--ink-2); max-width: 46%; }
.article-nav a:hover { color: var(--brand); }

/* 产品详情 */
.pd-top { display: grid; grid-template-columns: 460px 1fr; gap: 36px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.pd-fig {
    aspect-ratio: 1/1; border-radius: 10px; background: linear-gradient(150deg, #f3f7fc 0%, #e3ebf5 100%);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: var(--brand); overflow: hidden;
}
.pd-fig img { width: 100%; height: 100%; object-fit: cover; }
.pd-fig b { font-size: 17px; letter-spacing: 1.5px; }
.pd-info h1 { font-size: 27px; margin-bottom: 10px; line-height: 1.4; }
.pd-model { display: inline-block; background: rgba(0, 166, 224, .1); color: #0179a6; font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 5px; letter-spacing: 1px; margin-bottom: 14px; }
.pd-summary { color: var(--muted); font-size: 15px; padding-bottom: 18px; border-bottom: 1px dashed var(--line); }
.pd-params { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 26px; margin: 20px 0 26px; }
.pd-params li { display: flex; font-size: 14px; gap: 8px; }
.pd-params li span { color: var(--muted); flex: none; min-width: 76px; }
.pd-params li b { color: var(--ink); font-weight: 600; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.pd-tel { display: flex; align-items: center; gap: 10px; color: var(--brand); font-weight: 700; font-size: 19px; }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-top: 24px; overflow: hidden; }
.panel-hd { border-bottom: 1px solid var(--line); padding: 0 26px; display: flex; gap: 26px; }
.panel-hd b { display: inline-flex; align-items: center; height: 54px; font-size: 16px; border-bottom: 2px solid var(--brand); color: var(--brand); }
.panel-bd { padding: 28px 30px; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table td { border: 1px solid var(--line); padding: 12px 16px; }
.spec-table td:first-child { background: var(--bg); width: 190px; color: var(--muted); font-weight: 600; }

/* ---------------- 关于我们 ---------------- */
.about-grid { display: grid; grid-template-columns: 550px 1fr; gap: 46px; align-items: center; }
.about-fig {
    border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: var(--bg-2);
    min-height: 320px;
}
.about-fig img { width: 100%; max-width: 550px; height: auto; display: block; object-fit: cover; }
.about-fig .icon { color: var(--brand); margin-bottom: 12px; }
.about-fig b { font-size: 22px; letter-spacing: 2px; color: var(--ink); margin-bottom: 6px; }
.about-fig span { font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ---------------- 厂房展示滚动条 ---------------- */
.about-gallery-wrap { position: relative; display: flex; align-items: center; gap: 14px; }
.about-gallery {
    flex: 1;
    display: flex;
    gap: 18px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 6px 2px;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.about-gallery::-webkit-scrollbar { display: none; }
.ag-item {
    flex: 0 0 calc(25% - 13.5px); /* 桌面 4 张，每张更大 */
    scroll-snap-align: start;
}
.ag-img {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius); overflow: hidden; background: var(--bg-2);
    box-shadow: var(--shadow);
}
.ag-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.ag-item:hover .ag-img img { transform: scale(1.05); }
.ag-title {
    margin-top: 10px; font-size: 14px; color: var(--ink-2); text-align: center;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ag-arrow {
    width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line);
    background: #fff; color: var(--brand); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow); transition: all .25s ease; flex-shrink: 0;
}
.ag-arrow:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.ag-arrow .icon { transform: rotate(0); }
.ag-prev .icon { transform: rotate(180deg); }
.ag-dots { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.ag-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--line);
    border: 0; padding: 0; cursor: pointer; transition: all .25s ease;
}
.ag-dot.active { background: var(--accent); width: 22px; border-radius: 4px; }
@media (max-width: 992px) {
    .ag-item { flex: 0 0 calc(33.333% - 12px); }
}
@media (max-width: 640px) {
    .ag-item { flex: 0 0 calc(50% - 9px); }
    .ag-arrow { display: none; }
}

.timeline { position: relative; padding-left: 26px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li::before {
    content: ''; position: absolute; left: -26px; top: 8px; width: 14px; height: 14px; border-radius: 50%;
    background: #fff; border: 3px solid var(--brand);
}
.timeline b { color: var(--brand); font-size: 17px; margin-right: 12px; }
.timeline p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; text-align: center; transition: all var(--t); }
.honor-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: transparent; }
.honor-item .icon { color: var(--brand); margin-bottom: 10px; }
.honor-item b { display: block; font-size: 15.5px; margin-bottom: 4px; }
.honor-item small { color: var(--muted); font-size: 13px; }

/* ---------------- 联系我们（重新设计） ---------------- */

/* Hero 区域 — 与 .page-hero 统一尺寸 */
.contact-hero {
    position: relative; background: linear-gradient(135deg, #0b4f9e 0%, #1a6ec7 40%, #3584e4 100%);
    padding: 62px 0; overflow: hidden;
}
.contact-hero::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.ch-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.15) 100%);
}
.ch-inner { position: relative; z-index: 2; text-align: center; }
.ch-en {
    display: inline-block; font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
    color: rgba(255,255,255,.65); margin-bottom: 10px; padding: 5px 18px;
    border: 1px solid rgba(255,255,255,.18); border-radius: 20px;
}
.contact-hero h1 { font-size: 36px; color: #fff; margin-bottom: 14px; letter-spacing: 2px; }
.contact-hero p { color: rgba(255,255,255,.82); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* 主布局：左右两栏等高对齐 */
.c-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: stretch;
}

/* ===== 左侧：联系方式 ===== */
.c-left { display: flex; flex-direction: column; gap: 24px; height: 100%; }

/* 信息卡片网格 — 2×2 */
.cc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cc-card {
    background: #fff; border-radius: 14px; padding: 26px 22px;
    border: 1px solid #e8eef4; display: flex; align-items: center; gap: 16px;
    transition: all .3s ease; cursor: default;
}
.cc-card:hover {
    box-shadow: 0 8px 28px rgba(11,79,158,.12); transform: translateY(-3px);
    border-color: transparent;
}
.cc-icon {
    width: 52px; height: 52px; min-width: 52px; border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0b4f9e 0%, #3584e4 100%); color: #fff;
    box-shadow: 0 6px 16px rgba(11,79,158,.22);
}
.cc-body { flex: 1; }
.cc-label {
    display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; font-weight: 500;
}
.cc-val {
    display: block; font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.5;
}

/* 地址地图区 — 弹性填充剩余高度 */
.cc-map {
    border-radius: 14px; overflow: hidden; border: 1px solid #dde8f0;
    flex: 1; line-height: 0;
}
.cc-map iframe { width: 100%; height: 280px; display: block; }
/* 地图占位卡：点击前不加载百度地图，避免拖慢首屏 */
.cc-map-ph {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px;
    width: 100%; min-height: 280px; height: 100%; padding: 30px 24px;
    border: 0; cursor: pointer; text-align: center; line-height: 1.6;
    background:
        linear-gradient(150deg, #eef4fb 0%, #e2ecf7 100%);
    color: var(--brand); font-family: inherit; transition: background .25s ease;
}
.cc-map-ph:hover { background: linear-gradient(150deg, #e7f0fa 0%, #d9e7f6 100%); }
.cc-map-ico {
    display: flex; align-items: center; justify-content: center;
    width: 62px; height: 62px; border-radius: 50%; margin-bottom: 4px;
    background: rgba(255,255,255,.8); border: 1px solid rgba(11,79,158,.16);
    box-shadow: 0 8px 20px rgba(19,47,84,.07);
}
.cc-map-t { font-size: 15.5px; font-weight: 650; color: var(--ink); }
.cc-map-s { font-size: 13px; color: var(--muted); max-width: 320px; }
.cc-map-btn {
    margin-top: 8px; font-size: 13.5px; font-weight: 600; color: var(--brand);
    border: 1.5px solid var(--brand); border-radius: 8px; padding: 8px 20px;
    background: rgba(255,255,255,.7); transition: all .2s ease;
}
.cc-map-ph:hover .cc-map-btn { background: var(--brand); color: #fff; }

/* ===== 右侧：表单 ===== */
.c-right { display: flex; flex-direction: column; height: 100%; }
.cf-wrap {
    background: #fff; border-radius: 16px; border: 1px solid #e8eef4;
    padding: 36px 34px; box-shadow: 0 4px 24px rgba(0,0,0,.04);
    flex: 1; display: flex; flex-direction: column;
}
.cf-head { margin-bottom: 28px; }
.cf-head h3 { font-size: 22px; color: var(--ink); margin-bottom: 6px; }
.cf-head p { font-size: 14px; color: var(--muted); margin: 0; }

.cf-form { flex: 1; display: flex; flex-direction: column; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-field { margin-bottom: 18px; }
.cf-field label {
    display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink-2);
}
.cf-field label em { color: #e04b4b; font-style: normal; margin-left: 2px; }
.cf-full { }

.cf-field input,
.cf-field textarea {
    width: 100%; padding: 12px 16px; border: 1.5px solid #dae1ea; border-radius: 10px;
    background: #fafcfe; color: var(--ink); font-size: 14.5px;
    transition: all .25s ease; box-sizing: border-box;
}
.cf-field textarea { min-height: 110px; resize: vertical; line-height: 1.6; }
.cf-field input::placeholder,
.cf-field textarea::placeholder { color: #b0bcc8; }
.cf-field input:focus,
.cf-field textarea:focus {
    outline: none; border-color: var(--brand); background: #fff;
    box-shadow: 0 0 0 4px rgba(11,79,158,.08);
}

.cf-captcha { display: flex; align-items: center; gap: 12px; }
.cf-captcha input {
    flex: 0 0 120px;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-align: center;
}
.cf-captcha img {
    height: 42px; border-radius: 8px; border: 1px solid #dae1ea;
    cursor: pointer; background: #fafcfe;
}

.cf-submit {
    margin-top: auto; padding: 14px; font-size: 16px; font-weight: 700;
    letter-spacing: 1px; border-radius: 10px;
}
.cf-note {
    font-size: 12.5px; color: var(--muted); text-align: center; margin: 14px 0 0;
}
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink-2); }
.field label i { color: #e04b4b; font-style: normal; }
.field input, .field textarea, .field select {
    width: 100%; padding: 11px 14px; border: 1px solid #dae1ea; border-radius: 8px; background: #fcfdfe;
    color: var(--ink); transition: all var(--t);
}
.field textarea { min-height: 118px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(11, 79, 158, .09);
}
.alert { padding: 13px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.alert-ok { background: #e9f7ef; color: #1a7f45; border: 1px solid #bfe5cf; }
.alert-err { background: #fdecec; color: #c0392b; border: 1px solid #f5cfcb; }

/* ---------------- 分页 ---------------- */
.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.pager-item {
    min-width: 38px; height: 38px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line);
    background: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--ink-2);
}
.pager-item:hover { border-color: var(--brand); color: var(--brand); }
.pager-item.active { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager-item.disabled { color: #c3ccd6; cursor: not-allowed; }
.pager-info { font-size: 13px; color: var(--muted); margin-left: 8px; }

.empty { text-align: center; padding: 70px 20px; color: var(--muted); background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ---------------- 页脚 ---------------- */
.footer { background: #10202f; color: rgba(255, 255, 255, .68); font-size: 14px; }
.footer-top { padding: 56px 0 40px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-brand img { margin-bottom: 12px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .55); }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .68); font-size: 14px; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 13.8px; line-height: 1.7; }
.footer-contact .icon { color: var(--accent); flex: none; margin-top: 3px; }
.footer-tel { font-size: 25px; color: #fff; font-weight: 800; margin-bottom: 6px; letter-spacing: .5px; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .09); padding: 20px 0; display: flex; justify-content: space-between;
    gap: 14px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .45);
}
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: #fff; }

/* 右侧悬浮 */
.side-bar { position: fixed; right: 16px; bottom: 90px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
.side-bar a {
    width: 48px; height: 48px; border-radius: 10px; background: #fff; box-shadow: var(--shadow-lg);
    display: flex; align-items: center; justify-content: center; color: var(--brand); position: relative;
}
.side-bar a:hover { background: var(--brand); color: #fff; }
.side-bar a .tip {
    position: absolute; right: 58px; top: 50%; transform: translateY(-50%) translateX(8px); background: var(--brand); color: #fff;
    padding: 7px 13px; border-radius: 7px; font-size: 13px; white-space: nowrap; opacity: 0; visibility: hidden; transition: all var(--t);
}
.side-bar a:hover .tip { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
/* 微信 / QQ 官方品牌色常驻 */
.side-bar a.sb-wechat { background: #07C160; color: #fff; }
.side-bar a.sb-qq { background: #12B7F5; color: #fff; }
.side-bar a.sb-wechat:hover, .side-bar a.sb-qq:hover { filter: brightness(1.07); }
#backTop { opacity: 0; visibility: hidden; }
#backTop.on { opacity: 1; visibility: visible; }

/* 侧边栏微信弹窗 + 复制按钮 */
.side-pop {
    position: absolute; right: 58px; top: 50%;
    transform: translateY(-50%) translateX(10px);
    width: 184px; background: #fff; border-radius: 12px; border: 1px solid var(--line);
    box-shadow: var(--shadow-lg); padding: 16px; text-align: center;
    opacity: 0; visibility: hidden; transition: all .25s ease; z-index: 96;
}
.side-pop.on { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.side-pop b { display: block; color: var(--brand); font-size: 14px; margin-bottom: 8px; }
.side-pop p { font-size: 13px; color: var(--ink-2); margin: 0 0 10px; }
.side-pop p span { color: var(--brand); font-weight: 700; }
.side-pop .side-copy {
    border: 0; background: var(--brand); color: #fff; padding: 7px 18px;
    border-radius: 7px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .2s;
}
.side-pop .side-copy:hover { background: var(--brand-d); }
.side-pop .side-copy.done { background: #1a7f45; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1200px) {
    .prod-grid { grid-template-columns: repeat(4, 1fr); }
    .cat-gallery { grid-template-columns: 1fr 1fr 1fr 1fr; grid-auto-rows: 180px; }
    .hero-modern { height: 500px; }
    .hm-title { font-size: 38px; }
    .hm-arrow { width: 40px; height: 40px; font-size: 22px; }
    .layout { grid-template-columns: 240px 1fr; gap: 26px; }
    .pd-top { grid-template-columns: 380px 1fr; }
}

@media (max-width: 992px) {
    .topbar { display: none; }
    .nav, .header-phone { display: none; }
    .burger { display: block; }
    .header .container { height: 66px; }
    .logo img { height: 36px; }

    /* 现代轮播 */
    .hero-modern { height: 460px; }
    .hm-slide { padding: 56px 0; }
    .hm-title { font-size: 28px; }
    .hm-intro { font-size: 14.5px; }
    .hm-arrow { width: 36px; height: 36px; font-size: 20px; }
    .hm-prev { left: 10px; }
    .hm-next { right: 10px; }

    .quickbar { margin-top: 22px; }
    .quickbar-grid { grid-template-columns: repeat(2, 1fr); }
    .quickbar-item:nth-child(2n) { border-right: 0; }
    .quickbar-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }

    .section { padding: 52px 0; }
    .sec-head { margin-bottom: 32px; }
    .sec-head h2 { font-size: 25px; }

    .adv-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
    .sol-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
    /* 平板：取消显式定位，2 列自动排布 */
    .cat-gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
    .cat-gallery .cat-card:nth-child(n) { grid-column: auto; grid-row: auto; }
    /* 此断点下卡片被拉得很扁（≈2.5:1），与封面比例差太远，改回 contain 避免裁掉产品主体；
       封面底色与卡片底色一致，留白处不会出现割裂的色块边界。 */
    .cat-fig { background-size: contain; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; padding: 42px 0; }
    .stat-num { font-size: 34px; }

    .layout { grid-template-columns: 1fr; }
    .aside { position: static; }
    .aside-box { margin-bottom: 18px; }
    .aside-menu { display: grid; grid-template-columns: repeat(2, 1fr); }
    .aside-contact-box { display: none; }

    .pd-top { grid-template-columns: 1fr; padding: 22px; gap: 24px; }
    .pd-fig { aspect-ratio: 16/10; }
    .about-grid { grid-template-columns: 1fr; gap: 28px; }
    .c-layout { grid-template-columns: 1fr; gap: 32px; }
    .cc-grid { grid-template-columns: 1fr 1fr; }
    .cf-row { grid-template-columns: 1fr 1fr; }
    .contact-hero { padding: 42px 0; }
    .contact-hero h1 { font-size: 28px; }
    .sol-row { grid-template-columns: 1fr; }
    .sol-row-fig { padding: 24px 20px; }
    .sol-row-ico { width: 68px; height: 68px; }
    .sol-row-no { font-size: 58px; right: 16px; bottom: -4px; }
    .article { padding: 26px 22px; }
    .article-head h1, .article-head h2 { font-size: 21px; }
    .footer-top { grid-template-columns: repeat(2, 1fr); gap: 30px; padding: 40px 0 30px; }
    .page-hero { padding: 42px 0; }
    .page-hero h1 { font-size: 25px; }
    .cta { padding: 40px 0; }
    .cta h2 { font-size: 22px; }
}

@media (max-width: 640px) {
    body { font-size: 14.5px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .prod-body { padding: 14px 14px 16px; }
    .prod-body h3 { font-size: 15px; }
    .prod-body p { display: none; }
    /* 分类网格移动端：3列等高，取消显式定位 */
    .cat-gallery { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 160px; }
    .cat-gallery .cat-card:nth-child(n) { grid-column: auto; grid-row: auto; }

    /* 轮播移动端：首屏文案要在，否则手机上只有一张无字大图 */
    .hero-modern { height: 430px; }
    .hm-slide { padding: 44px 0 56px; align-items: flex-end; }
    /* 移动端文案贴在底部，遮罩改成「下重上轻」，保证文字压在图上仍然清楚 */
    .hm-overlay { background: linear-gradient(180deg, rgba(8,41,79,.5) 0%, rgba(8,41,79,.28) 38%, rgba(8,41,79,.86) 100%); }
    .hm-inner { padding: 0 18px; }
    .hm-title { font-size: 24px; letter-spacing: 0; margin-bottom: 10px; max-width: none; }
    .hm-intro {
        font-size: 13.5px; margin-bottom: 16px; max-width: none;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .hm-tag { font-size: 11.5px; padding: 5px 12px; margin-bottom: 12px; }
    .hm-btns { gap: 10px; }
    .hm-btns .btn { padding: 9px 16px; font-size: 13px; }
    .hm-arrow { width: 32px; height: 32px; font-size: 17px; }
    .hm-prev { left: 6px; }
    .hm-next { right: 6px; }
    .hm-dots { bottom: 16px; }
    .hm-dots button { width: 24px; height: 4px; }
    .hm-dots button.on { width: 36px; }

    .adv-grid, .sol-grid, .news-grid, .honor-grid { grid-template-columns: 1fr; }
    .cc-grid { grid-template-columns: 1fr; }
    .cf-row { grid-template-columns: 1fr; gap: 0; }
    .cf-wrap { padding: 24px 20px; }
    .contact-hero h1 { font-size: 24px; }
    .contact-hero { padding: 38px 0; }
    .pd-params, .sol-points { grid-template-columns: 1fr; }
    .newsrow { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
    .newsrow-date { display: flex; align-items: baseline; gap: 10px; border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 10px; text-align: left; }
    .newsrow-date b { font-size: 22px; }
    .newsrow-fig { width: 100%; height: 180px; }
    .hero-inner h2 { font-size: 24px; letter-spacing: 0; }
    .hero-slide { min-height: 380px; padding: 50px 0; }
    .hero-btns .btn { padding: 10px 18px; font-size: 14px; }
    .footer-top { grid-template-columns: 1fr; }
    .aside-menu { grid-template-columns: 1fr; }
    .cf-wrap, .panel-bd { padding: 20px 18px; }
    .section { padding: 40px 0; }
    .side-bar { bottom: 16px; right: 12px; }
    .side-bar a { width: 42px; height: 42px; }
    .cta .container { flex-direction: column; align-items: flex-start; }
    .cta-phone { text-align: left; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ================= 图片灯箱 ================= */
.lightbox {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0, 0, 0, .92);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
    padding: 20px;
}
.lightbox.on { opacity: 1; visibility: visible; }
.lightbox img {
    max-width: 92%; max-height: 86vh;
    border-radius: var(--radius);
    box-shadow: 0 24px 70px rgba(0,0,0,.5);
    object-fit: contain;
}
.lightbox-close {
    position: absolute; top: 22px; right: 26px;
    width: 46px; height: 46px; border-radius: 50%;
    background: rgba(255,255,255,.12); color: #fff;
    font-size: 32px; line-height: 42px; text-align: center;
    cursor: pointer; border: none; padding: 0;
    transition: background .25s ease;
}
.lightbox-close:hover { background: rgba(255,255,255,.28); }
.lightbox-caption {
    position: absolute; bottom: 22px; left: 0; right: 0;
    text-align: center; color: #fff; font-size: 14px;
    text-shadow: 0 1px 4px rgba(0,0,0,.7);
    padding: 0 20px;
}
.ag-img img { cursor: zoom-in; }

/* ============================================================
   触屏适配：没有 hover 的设备（手机 / 平板 / 触摸笔记本）
   分类卡原本只在鼠标悬停时显示「了解更多」，触屏用户既看不到
   分类名、也得不到任何「可点击」的提示。这里统一改成常显的
   底部压条：分类名 + 右侧箭头，桌面 hover 效果保持不变。
   —— 同时覆盖 ≤640px，保证小屏即便有指针也不退化。
   ============================================================ */
@media (max-width: 640px), (hover: none) {
    .cat-info {
        inset: auto 0 0 0;
        justify-content: flex-end; align-items: stretch;
        padding: 0; text-align: left;
        background: linear-gradient(180deg, rgba(8,41,79,0) 0%, rgba(8,41,79,.72) 100%);
    }
    .cat-name-cn {
        display: block;
        padding: 20px 26px 10px 11px;
        font-size: 12.5px; font-weight: 600; letter-spacing: 0; color: #fff;
        text-shadow: 0 1px 6px rgba(0,0,0,.45);
        line-height: 1.4;
        white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .cat-name-en { display: none; }
    /* 触屏上「了解更多」按钮让位给压条，避免遮挡图片 */
    .cat-more { display: none; }
    .cat-info::after {
        content: ''; position: absolute; right: 11px; bottom: 15px;
        width: 6px; height: 6px;
        border-right: 2px solid #fff; border-bottom: 2px solid #fff;
        transform: rotate(-45deg); opacity: .92;
    }
    .cat-card:active .cat-fig { transform: scale(1.02); }
    .cat-fig { transition: transform .22s ease; }
}