/* =========================================================
   欧利晟机器制造南通有限公司 官网样式
   主色：工业蓝 #0e4d9c  强调色：机械橙 #f39800
   ========================================================= */
:root {
    --primary: #0e4d9c;
    --primary-dark: #0a3a77;
    --primary-darker: #082c59;
    --accent: #f39800;
    --text: #333;
    --text-light: #777;
    --grey-bg: #f4f6f9;
    --border: #e5e9f0;
    --dark-bg: #14243a;
    --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.ol-body {
    font-family: var(--font);
    color: var(--text);
    font-size: 15px;
    line-height: 1.7;
    background: #fff;
}
img { max-width: 100%; border: 0; display: inline-block; vertical-align: middle; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }
.container { width: 1200px; max-width: 92%; margin: 0 auto; }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.4; }
i { font-style: normal; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block; padding: 10px 26px; font-size: 15px;
    border-radius: 4px; border: 1px solid transparent; cursor: pointer;
    transition: all .25s; text-align: center; line-height: 1.6;
}
.btn-lg { padding: 13px 34px; font-size: 16px; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-line { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-line:hover { background: var(--primary); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.75); color: #fff; background: rgba(255,255,255,.08); }
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: #eaf1fb; }

/* ---------- 顶部条 ---------- */
.topbar { background: var(--primary-darker); color: #cdd8ea; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar-tel strong { color: #fff; font-size: 15px; margin-left: 4px; letter-spacing: .5px; }

/* ---------- 导航 ---------- */
.site-header { background: #fff; box-shadow: 0 2px 12px rgba(20,40,80,.08); position: relative; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { height: 52px; width: auto; }
.brand-txt { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.brand-txt strong { display: block; font-size: 19px; font-weight: 600; color: #23292f; letter-spacing: 1px; line-height: 1.35; white-space: nowrap; }
.brand-txt em { display: block; font-style: normal; font-size: 12px; color: #8a94a6; letter-spacing: 3px; white-space: nowrap; }
.main-nav > ul { display: flex; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
    display: block; padding: 28px 22px; font-size: 16px; color: #2b2f36; position: relative;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li > a.active { color: var(--primary); }
.main-nav > ul > li > a.active::after {
    content: ""; position: absolute; left: 22px; right: 22px; bottom: 18px;
    height: 3px; border-radius: 2px; background: var(--primary);
}
.caret-d { display: inline-block; width: 0; height: 0; margin-left: 4px; vertical-align: 2px;
    border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid #999; }
.sub-nav {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
    min-width: 200px; background: #fff; border-radius: 4px; overflow: hidden;
    box-shadow: 0 8px 24px rgba(20,40,80,.15); opacity: 0; visibility: hidden; transition: all .25s;
}
.main-nav li:hover .sub-nav { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.sub-nav a { display: block; padding: 11px 18px; font-size: 14px; color: #444; border-bottom: 1px solid var(--border); }
.sub-nav li:last-child a { border-bottom: 0; }
.sub-nav a:hover { background: var(--grey-bg); color: var(--primary); }
.sub-all a { color: var(--accent) !important; }
.nav-toggle { display: none; }

/* ---------- 轮播 ---------- */
.hero { position: relative; overflow: hidden; background: var(--primary-darker); }
.hero-slides { position: relative; }
.hero-slide {
    min-height: 520px; background-size: cover; background-position: center;
    display: flex; align-items: center; opacity: 0; visibility: hidden;
    position: absolute; inset: 0; transition: opacity .8s ease;
}
.hero-slide.active { opacity: 1; visibility: visible; position: relative; }
.hero-slide::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(8,44,89,.55) 0%, rgba(8,44,89,.22) 55%, rgba(8,44,89,.08) 100%);
}
.hero-slide .container { position: relative; z-index: 2; }
.hero-cap { max-width: 640px; color: #fff; }
.hero-cap h2 { font-size: 42px; letter-spacing: 1px; text-shadow: 0 2px 12px rgba(0,0,0,.3); }
.hero-cap p { font-size: 18px; margin: 14px 0 28px; opacity: .95; }
.hero-btns .btn { margin-right: 12px; margin-bottom: 10px; }
.hero-dots { position: absolute; bottom: 22px; left: 0; right: 0; z-index: 5; text-align: center; }
.hero-dots span {
    display: inline-block; width: 28px; height: 4px; margin: 0 5px; border-radius: 2px;
    background: rgba(255,255,255,.4); cursor: pointer; transition: background .2s;
}
.hero-dots span.on { background: #fff; }

/* ---------- 数据条 ---------- */
.stats { background: var(--primary); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 34px 0; gap: 20px; }
.stat { text-align: center; }
.stat strong { font-size: 40px; font-weight: 700; line-height: 1.1; }
.stat em { display: block; font-style: normal; font-size: 15px; opacity: .85; margin-top: 4px; }

/* ---------- 通用区块 ---------- */
.sec { padding: 70px 0; }
.sec-grey { background: var(--grey-bg); }
.sec-dark { background: var(--dark-bg); color: #dfe6f0; }
.sec-head { text-align: center; margin-bottom: 44px; }
.sec-head.left { text-align: left; margin-bottom: 24px; }
.sec-head em {
    display: block; font-style: normal; font-size: 13px; letter-spacing: 4px;
    color: var(--accent); text-transform: uppercase; font-weight: 600; margin-bottom: 6px;
}
.sec-head h2 { font-size: 30px; color: #222; position: relative; padding-bottom: 14px; }
.sec-head h2::after {
    content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
    width: 44px; height: 3px; background: var(--primary); border-radius: 2px;
}
.sec-head.left h2::after { left: 0; transform: none; }
.sec-head p { color: var(--text-light); margin-top: 10px; }
.sec-head.light h2 { color: #fff; }
.sec-head.light h2::after { background: var(--accent); }
.sec-more { text-align: center; margin-top: 40px; }
.empty-tip { color: #999; text-align: center; padding: 50px 0; }
.muted { color: #999; }

/* ---------- 分类筛选 ---------- */
.cat-chips { text-align: center; margin-bottom: 30px; }
.chip {
    display: inline-block; padding: 7px 22px; margin: 0 6px 10px; border-radius: 30px;
    border: 1px solid var(--border); color: #555; font-size: 14px; background: #fff; transition: all .2s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.cat-desc { text-align: center; color: var(--text-light); margin-bottom: 26px; }

/* ---------- 产品卡片 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card {
    background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
    transition: all .3s; display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: 0 14px 30px rgba(20,40,80,.13); border-color: transparent; }
.prod-pic { aspect-ratio: 4 / 3; overflow: hidden; background: linear-gradient(135deg, #f2f6fb, #e8eef7); }
.prod-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.prod-card:hover .prod-pic img { transform: scale(1.05); }
.prod-info { padding: 16px 18px 6px; }
.prod-info h3 { font-size: 17px; color: #222; }
.prod-card:hover .prod-info h3 { color: var(--primary); }
.prod-model {
    display: inline-block; margin-top: 8px; font-size: 12px; color: var(--primary);
    background: #eaf1fb; border-radius: 3px; padding: 2px 10px;
}
.prod-more {
    padding: 0 18px 16px; color: var(--text-light); font-size: 13px; margin-top: auto;
}
.prod-card:hover .prod-more { color: var(--accent); }

/* ---------- 首页关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: center; }
.about-txt p { color: #555; margin-bottom: 12px; text-align: justify; }
.about-points { margin: 14px 0 24px; }
.about-points li { position: relative; padding-left: 26px; margin-bottom: 9px; color: #444; }
.about-points li::before {
    content: "✓"; position: absolute; left: 0; top: 1px; width: 18px; height: 18px;
    background: var(--primary); color: #fff; border-radius: 50%; font-size: 11px;
    text-align: center; line-height: 18px;
}
.about-pic img { border-radius: 8px; box-shadow: 0 16px 40px rgba(20,40,80,.16); width: 100%; }

/* ---------- 应用场景 ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sol-card {
    position: relative; aspect-ratio: 16 / 10; border-radius: 6px; overflow: hidden;
    background-size: cover; background-position: center; display: flex; align-items: flex-end;
}
.sol-card::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,30,60,0) 40%, rgba(10,30,60,.78) 100%);
    transition: background .3s;
}
.sol-cap { position: relative; z-index: 2; color: #fff; padding: 18px 22px; }
.sol-cap h3 { font-size: 19px; }
.sol-cap p { font-size: 13px; opacity: .85; }
.sol-card:hover::before { background: linear-gradient(180deg, rgba(14,77,156,.25) 0%, rgba(10,30,60,.85) 100%); }
.sol-card:hover { box-shadow: 0 14px 30px rgba(20,40,80,.2); }

/* ---------- 为什么选择 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card {
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px; padding: 34px 24px; text-align: center; transition: all .3s;
}
.why-card:hover { background: rgba(255,255,255,.09); transform: translateY(-4px); }
.why-ico {
    width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #2f7bd8); color: #fff;
    font-size: 26px; font-weight: 700; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 18px rgba(14,77,156,.35);
}
.why-card h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.why-card p { font-size: 13.5px; color: #aebacd; }

/* ---------- 企业文化 ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.culture-card {
    background: #fff; border-radius: 6px; padding: 30px 24px; text-align: center;
    border-top: 3px solid var(--primary); box-shadow: 0 6px 18px rgba(20,40,80,.06);
}
.culture-card h3 { color: var(--primary); font-size: 19px; margin-bottom: 10px; }
.culture-card p { font-size: 13.5px; color: #666; text-align: justify; }

/* ---------- 图集 / 证书 ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 6px; background: #eef2f7; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery-item:hover img { transform: scale(1.06); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert-item {
    background: #fff; border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
    aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; padding: 14px;
}
.cert-item img { max-height: 100%; object-fit: contain; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.news-card {
    border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #fff; transition: all .3s;
    display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: 0 12px 26px rgba(20,40,80,.12); transform: translateY(-5px); }
.news-pic { aspect-ratio: 16 / 10; background: linear-gradient(135deg, #f2f6fb, #e8eef7); overflow: hidden; }
.news-pic img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 16px 18px 18px; }
.news-date { font-size: 12px; color: #9aa6b8; }
.news-body h3 {
    font-size: 15.5px; color: #222; margin: 6px 0 8px; font-weight: 600;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card:hover h3 { color: var(--primary); }
.news-body p { font-size: 13px; color: #888; }
.news-grid + .sec-more { margin-top: 36px; }

/* ---------- 新闻列表页 ---------- */
.news-page { display: grid; grid-template-columns: 1fr 300px; gap: 34px; align-items: start; }
.news-row {
    display: flex; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--border);
}
.news-row:first-child { padding-top: 0; }
.news-row-pic { width: 210px; flex-shrink: 0; aspect-ratio: 16 / 10; border-radius: 4px; overflow: hidden; background: #eef2f7; }
.news-row-pic img { width: 100%; height: 100%; object-fit: cover; }
.news-row-body h3 { font-size: 17px; color: #222; margin-bottom: 8px; }
.news-row:hover h3 { color: var(--primary); }
.news-row-body p { font-size: 13.5px; color: #888; }
.news-row-meta { margin-top: 10px; font-size: 12.5px; color: #9aa6b8; }
.news-row-meta span { margin-right: 16px; }
.side-box { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 20px; margin-bottom: 22px; }
.side-box h4 { font-size: 16px; color: #222; padding-bottom: 12px; border-bottom: 1px solid var(--border); margin-bottom: 12px; position: relative; }
.side-box h4::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 34px; height: 2px; background: var(--primary); }
.side-cats li a { display: block; padding: 8px 10px; border-radius: 4px; color: #555; font-size: 14px; }
.side-cats li a:hover, .side-cats li a.active { background: var(--grey-bg); color: var(--primary); }
.side-hot li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.side-hot li:last-child { border-bottom: 0; }
.side-hot a { font-size: 13.5px; color: #444; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-hot a:hover { color: var(--primary); }
.side-hot span { font-size: 12px; color: #9aa6b8; flex-shrink: 0; }
.side-contact { background: linear-gradient(160deg, var(--primary), var(--primary-dark)); color: #fff; border: 0; }
.side-contact h4 { color: #fff; border-bottom-color: rgba(255,255,255,.2); }
.side-contact h4::after { background: #fff; }
.side-contact p { font-size: 13px; opacity: .9; }
.side-contact strong { display: block; font-size: 22px; margin: 8px 0 14px; letter-spacing: .5px; }
.side-contact .btn { width: 100%; background: #fff; color: var(--primary); border-color: #fff; }

/* ---------- 新闻详情 ---------- */
.news-article { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 34px 38px; }
.na-title { font-size: 24px; color: #1d1d1d; }
.na-meta { display: flex; gap: 22px; color: #98a3b3; font-size: 13px; padding: 14px 0; border-bottom: 1px solid var(--border); margin-bottom: 22px; flex-wrap: wrap; }
.na-nav { border-top: 1px solid var(--border); margin-top: 30px; padding-top: 18px; font-size: 14px; }
.na-nav p { margin-bottom: 6px; color: #666; }
.na-nav a { color: var(--primary); }
.rich-content { color: #444; }
.rich-content p { margin-bottom: 14px; text-align: justify; }
.rich-content img { max-width: 100%; height: auto; border-radius: 4px; margin: 8px 0; }
.rich-content h2, .rich-content h3 { font-size: 19px; margin: 20px 0 12px; color: #222; }

/* ---------- 产品详情 ---------- */
.pd-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 46px; align-items: start; }
.pd-main { aspect-ratio: 4 / 3; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: linear-gradient(135deg, #f2f6fb, #e8eef7); }
.pd-main img { width: 100%; height: 100%; object-fit: cover; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd-thumb { width: 86px; height: 64px; border: 2px solid transparent; border-radius: 4px; overflow: hidden; cursor: pointer; background: #f2f6fb; }
.pd-thumb.active { border-color: var(--primary); }
.pd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-title { font-size: 26px; color: #1d1d1d; }
.pd-model { color: var(--accent); font-size: 16px; margin: 8px 0 16px; font-weight: 600; }
.pd-meta { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-bottom: 22px; }
.pd-meta li { display: flex; padding: 10px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.pd-meta li:last-child { border-bottom: 0; }
.pd-meta li span { width: 70px; color: #999; flex-shrink: 0; }
.pd-cta .btn { margin: 0 12px 12px 0; }
.pd-tip { font-size: 12.5px; color: #9aa6b8; margin-top: 6px; }
.spec-table-wrap { background: #fff; border-radius: 6px; overflow: hidden; border: 1px solid var(--border); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 12px 20px; border-bottom: 1px solid var(--border); text-align: left; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { width: 260px; background: #f8fafd; color: #444; font-weight: 500; }
.spec-table td { color: #222; }
.spec-table tr:nth-child(even) th { background: #f4f7fb; }
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 34px; }
.feat-list li {
    position: relative; padding: 14px 16px 14px 46px; background: #fff;
    border: 1px solid var(--border); border-radius: 6px; font-size: 14.5px; color: #444;
}
.fi-check {
    position: absolute; left: 14px; top: 16px; width: 20px; height: 20px; border-radius: 50%;
    background: var(--primary); color: #fff; font-size: 11px; text-align: center; line-height: 20px;
}
.fi-check::before { content: "✓"; }

/* ---------- 页头横幅 ---------- */
.page-band {
    background: linear-gradient(120deg, var(--primary-darker), var(--primary) 70%, #2f6fc0);
    color: #fff; padding: 40px 0 36px;
}
.page-band h1 { font-size: 26px; letter-spacing: 1px; }
.crumb { font-size: 13px; opacity: .85; margin-top: 8px; }
.crumb a { color: #fff; }
.crumb a:hover { color: var(--accent); }

/* ---------- 联系页 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 56px; }
.ccard {
    background: #fff; border: 1px solid var(--border); border-radius: 8px; text-align: center;
    padding: 34px 20px; transition: all .3s;
}
.ccard:hover { box-shadow: 0 12px 26px rgba(20,40,80,.1); transform: translateY(-4px); }
.ccard-ico {
    width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%;
    background: #eaf1fb; color: var(--primary); font-size: 24px; position: relative;
}
.ccard-ico::before { position: absolute; inset: 0; line-height: 58px; }
.ccard h3 { font-size: 17px; color: #222; margin-bottom: 8px; }
.ccard p { font-size: 14px; color: #555; word-break: break-all; }
.contact-form-wrap {
    background: var(--grey-bg); border-radius: 8px; padding: 40px; max-width: 980px; margin: 0 auto;
}
.contact-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 26px; margin-bottom: 24px; }
.form-item label { display: block; font-size: 14px; color: #333; margin-bottom: 8px; }
.form-item label i { color: #e23c3c; font-style: normal; }
.form-item input, .form-item textarea {
    width: 100%; border: 1px solid var(--border); border-radius: 4px; padding: 11px 14px;
    font-size: 14px; font-family: var(--font); background: #fff; outline: none; transition: border .2s;
}
.form-item input:focus, .form-item textarea:focus { border-color: var(--primary); }
.form-item-full { grid-column: 1 / -1; }

/* ---------- CTA 条 ---------- */
.cta-band {
    background: linear-gradient(110deg, var(--primary-dark), var(--primary) 60%, #2f6fc0);
    color: #fff; padding: 44px 0;
}
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.cta-inner h3 { font-size: 22px; margin-bottom: 6px; }
.cta-inner p { opacity: .9; font-size: 14px; }
.cta-btns .btn { margin-left: 12px; }
.cta-btns .btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.cta-btns .btn-primary:hover { background: #e08c00; border-color: #e08c00; }

/* ---------- 页脚 ---------- */
.site-footer { background: #17222f; color: #98a4b3; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding: 52px 0 40px; }
.f-logo img { height: 42px; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: .9; }
.f-name { color: #dfe6f0; font-size: 15px; margin-bottom: 10px; }
.f-desc { line-height: 1.9; text-align: justify; }
.f-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 500; }
.f-links li { margin-bottom: 9px; }
.f-links a { color: #98a4b3; }
.f-links a:hover { color: #fff; }
.f-contact li { position: relative; padding-left: 22px; margin-bottom: 11px; line-height: 1.7; }
.fi { display: inline-block; }
.fi-tel::before { content: "☎"; }
.fi-wechat::before { content: "💬"; }
.fi-mail::before { content: "✉"; }
.fi-addr::before { content: "📍"; }
.fi-list::before { content: "☰"; }
.fi-msg::before { content: "✎"; }
/* 页脚联系清单：图标固定在每行左侧 */
.f-contact .fi-tel, .f-contact .fi-wechat, .f-contact .fi-mail, .f-contact .fi-addr { position: absolute; left: 0; top: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center; font-size: 12.5px; }
.footer-bottom p { margin: 3px 0; }
.footer-bottom a { color: #98a4b3; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 移动端快捷条 ---------- */
.m-quickbar { display: none; }

/* ---------- 分页 ---------- */
.pagination-wrap { margin-top: 36px; text-align: center; }
.pagination-wrap ul { display: inline-flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pagination-wrap li { display: inline-block; }
.pagination-wrap li a, .pagination-wrap li span {
    display: inline-block; min-width: 38px; padding: 8px 12px; background: #fff;
    border: 1px solid var(--border); border-radius: 4px; color: #555; font-size: 14px;
}
.pagination-wrap li.active span, .pagination-wrap li a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination-wrap li.disabled span { color: #bbb; background: #f7f8fa; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-cap h2 { font-size: 32px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid, .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-cards { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 30px; }
    .pd-wrap { grid-template-columns: 1fr; }
    .news-page { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .feat-list { grid-template-columns: 1fr; }
    .sol-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .topbar-welcome { display: none; }
    .topbar-inner { justify-content: center; }
    .header-inner { height: 62px; }
    .brand { gap: 8px; }
    .brand img { height: 40px; }
    .brand-txt strong { font-size: 14px; letter-spacing: 0; }
    .brand-txt em { font-size: 10px; letter-spacing: 1px; }
    .nav-toggle {
        display: block; background: none; border: 0; width: 40px; height: 40px; position: relative; cursor: pointer;
    }
    .nav-toggle span {
        display: block; height: 2px; background: #333; margin: 6px 8px; border-radius: 2px; transition: all .25s;
    }
    .nav-toggle.on span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-toggle.on span:nth-child(2) { opacity: 0; }
    .nav-toggle.on span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .main-nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff;
        box-shadow: 0 12px 24px rgba(20,40,80,.12);
    }
    .main-nav.open { display: block; }
    .main-nav > ul { flex-direction: column; }
    .main-nav > ul > li > a { padding: 13px 20px; border-bottom: 1px solid var(--border); }
    .main-nav > ul > li > a.active::after { display: none; }
    .sub-nav {
        position: static; transform: none; opacity: 1; visibility: visible;
        box-shadow: none; background: #f7f9fc; min-width: 0; display: none;
    }
    .main-nav li:hover .sub-nav { transform: none; }
    .has-sub.open .sub-nav { display: block; }
    .hero-slide { min-height: 320px; }
    .hero-cap h2 { font-size: 24px; }
    .hero-cap p { font-size: 14px; margin: 10px 0 18px; }
    .sec { padding: 46px 0; }
    .sec-head h2 { font-size: 23px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 24px 0; gap: 14px; }
    .stat strong { font-size: 28px; }
    .stat em { font-size: 13px; }
    .prod-grid, .news-grid, .sol-grid { grid-template-columns: 1fr; }
    .why-grid, .culture-grid { grid-template-columns: 1fr; }
    .contact-cards { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 36px 0 26px; }
    .contact-form-wrap { padding: 24px 18px; }
    .contact-form .form-grid { grid-template-columns: 1fr; }
    .news-row { flex-direction: column; gap: 12px; }
    .news-row-pic { width: 100%; }
    .news-article { padding: 22px 18px; }
    .na-title { font-size: 20px; }
    .page-band { padding: 28px 0 24px; }
    .page-band h1 { font-size: 21px; }
    .cta-inner { flex-direction: column; text-align: center; }
    .cta-btns .btn { margin: 6px; }
    .body-has-quickbar { padding-bottom: 54px; }
    .m-quickbar {
        display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
        background: var(--primary); box-shadow: 0 -4px 14px rgba(0,0,0,.12);
    }
    .m-quickbar a {
        flex: 1; text-align: center; color: #fff; padding: 9px 0; font-size: 13px; position: relative;
    }
    .m-quickbar a + a { border-left: 1px solid rgba(255,255,255,.15); }
    .m-quickbar .fi { font-size: 16px; display: block; margin-bottom: 1px; }
}