/* ==========================================================================
   czhzb.com 样式表
   结构：变量 → 基础 → 布局 → 头部 → 首页模块 → 列表/详情 → 侧栏 → 表单 → 页脚 → 工具 → 响应式
   ========================================================================== */

:root {
    --brand: #0b5cab;
    --brand-dark: #084378;
    --brand-light: #e8f2fc;
    --teal: #0e7c86;
    --accent: #f07b2b;
    --ink: #1b2430;
    --ink-2: #333f4d;
    --muted: #62707f;
    --line: #e3e9f0;
    --line-2: #eef2f7;
    --bg: #f6f8fb;
    --white: #fff;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(20, 40, 70, .06), 0 2px 8px rgba(20, 40, 70, .04);
    --shadow: 0 6px 20px rgba(20, 40, 70, .08);
    --shadow-lg: 0 14px 40px rgba(20, 40, 70, .12);
    --wrap: 1200px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-2);
    background: var(--white);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; border: 0; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .18s, background-color .18s, border-color .18s; }
a:hover { color: var(--accent); }
h1, h2, h3, h4 { margin: 0 0 .6em; color: var(--ink); line-height: 1.35; font-weight: 700; }
h1 { font-size: 31px; }
h2 { font-size: 25px; }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.center-more { text-align: center; margin: 34px 0 0; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--brand); color: #fff; padding: 10px 16px; z-index: 999; }
.skip-link:focus { left: 0; }
.ico { vertical-align: -3px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    padding: 12px 22px; border-radius: 8px; border: 1px solid transparent;
    font-size: 16px; font-weight: 600; line-height: 1.2; cursor: pointer;
    transition: all .18s ease; white-space: nowrap;
}
.btn .ico { flex: 0 0 auto; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(11, 92, 171, .22); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; transform: translateY(-1px); }
.btn-line { background: #fff; color: var(--brand); border-color: #c9dbf0; }
.btn-line:hover { border-color: var(--brand); color: var(--brand-dark); background: var(--brand-light); }
.btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-ghost:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(240, 123, 43, .28); }
.btn-accent:hover { background: #d9671c; color: #fff; transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--brand); }
.btn-white:hover { background: #eef5fd; color: var(--brand-dark); }
.btn-block { width: 100%; }

/* ---------- 顶部条 ---------- */
.topbar { background: #f1f5fa; border-bottom: 1px solid var(--line-2); font-size: 14px; color: var(--muted); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 38px; }
.topbar-tip { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-links { display: flex; gap: 18px; flex: 0 0 auto; }
.topbar-links a { color: var(--muted); }
.topbar-links a:hover { color: var(--brand); }

/* ---------- 头部 ---------- */
.site-header { background: #fff; border-bottom: 3px solid var(--brand); position: relative; z-index: 60; }
.header-in { display: flex; align-items: center; gap: 16px; min-height: 82px; }
.brand { display: flex; align-items: center; gap: clamp(10px, .95vw, 13px); flex: 0 1 auto; min-width: 0; overflow: hidden; }
.brand-mark { display: block; height: clamp(44px, 4.9vw, 56px); width: auto; flex: 0 0 auto; }
.brand-text { display: block; min-width: 0; }
.brand-text strong { display: block; font-size: clamp(15px, 1.68vw, 20px); line-height: 1.16; font-weight: 700; color: var(--ink); letter-spacing: .01em; white-space: nowrap; }
/* 呼应椭圆 Logo 的青色分隔线，右端渐隐 */
.brand-rule { display: block; height: 2px; margin: 5px 0 4px; border-radius: 2px; background: linear-gradient(90deg, #14b8a6 0%, #14b8a6 45%, rgba(20, 184, 166, .25) 100%); }
.brand-text em { display: block; font-style: normal; font-size: clamp(7.5px, .8vw, 9.5px); line-height: 1.2; color: #93a1b1; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a { display: block; padding: 10px 13px; border-radius: 6px; font-size: 16px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.site-nav a:hover { background: var(--brand-light); color: var(--brand); }
.site-nav a.active { color: var(--brand); background: var(--brand-light); }

/* 页头电话：整体可点击的渐变胶囊按钮 */
.header-tel { flex: 0 0 auto; display: flex; align-items: center; gap: 9px; padding: 7px 16px 7px 8px; border-radius: 999px; background: linear-gradient(135deg, #0b5cab, #0e7c86); box-shadow: 0 4px 14px rgba(11, 92, 171, .26); text-decoration: none; transition: box-shadow .2s, transform .2s; }
.header-tel:hover { box-shadow: 0 6px 18px rgba(11, 92, 171, .38); transform: translateY(-1px); }
.header-tel .tel-ico { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .18); color: #fff; }
.header-tel .tel-text { display: flex; flex-direction: column; line-height: 1.25; }
.header-tel .tel-label { font-size: 11.5px; color: rgba(255, 255, 255, .85); letter-spacing: .5px; }
.header-tel .tel-num { font-size: 19px; font-weight: 800; color: #fff; letter-spacing: .5px; white-space: nowrap; }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 0; margin-left: auto; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink-2); border-radius: 2px; }

/* ---------- 通用区块 ---------- */
.section { padding: 62px 0; }
.section-alt { background: var(--bg); }
.section-sm { padding: 40px 0 0; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.sec-head h2 { font-size: 27px; margin-bottom: 10px; }
.sec-head h2::after { content: ""; display: block; width: 46px; height: 3px; background: var(--accent); border-radius: 2px; margin: 12px auto 0; }
.sec-head p { color: var(--muted); margin: 0; }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; text-align: left; max-width: none; }
.sec-head-row h2::after { margin-left: 0; }
.sec-more { font-weight: 600; white-space: nowrap; }
.h2-line { font-size: 21px; padding-left: 13px; border-left: 4px solid var(--brand); margin: 34px 0 18px; }

/* ---------- 首屏 ---------- */
.hero { background: linear-gradient(135deg, #0b5cab 0%, #0a4d90 55%, #0e7c86 100%); color: #fff; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -120px; top: -80px; width: 520px; height: 520px; background: radial-gradient(circle, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 68%); }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center; padding: 58px 20px 62px; position: relative; z-index: 1; }
.hero-eyebrow { display: inline-block; margin: 0 0 14px; padding: 5px 14px; border-radius: 999px; background: rgba(255, 255, 255, .14); color: #e6f1ff; font-size: 14px; letter-spacing: .5px; }
.hero h1 { color: #fff; font-size: 38px; line-height: 1.28; margin-bottom: 16px; }
.hero-sub { color: #d6e6f8; font-size: 17px; margin-bottom: 20px; max-width: 640px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 0 0 26px; }
.hero-points li { display: flex; align-items: center; gap: 7px; color: #e8f3ff; font-size: 15.5px; }
.hero-points .ico { color: #7fd4c4; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn-line { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.55); color: #fff; }
.hero .btn-line:hover { background: rgba(255,255,255,.2); color: #fff; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.2); }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 26px; color: #fff; line-height: 1.2; }
.hero-stats span { font-size: 14px; color: #bcd6ef; }
.hero-media { position: relative; }
.hero-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 22px 50px rgba(0, 20, 45, .32); background: #fff; }
.hero-area .hero-in { padding-top: 48px; padding-bottom: 52px; }

/* ---------- 分类卡片 ---------- */
.cat-grid { display: grid; gap: 22px; }
.cat-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cat-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; transition: all .2s; display: flex; flex-direction: column; }
.cat-card:hover { border-color: #bcd6ef; box-shadow: var(--shadow); transform: translateY(-3px); }
.cat-card-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--line); padding-bottom: 12px; margin-bottom: 12px; }
.cat-name { font-size: 18px; font-weight: 700; color: var(--ink); }
.cat-card:hover .cat-name { color: var(--brand); }
.cat-count { font-size: 12.5px; color: var(--muted); background: var(--brand-light); color: var(--brand); padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.cat-intro { font-size: 14.6px; color: var(--muted); min-height: 46px; margin-bottom: 12px; }
.cat-items { margin-bottom: 14px; }
.cat-items li { padding: 5px 0 5px 14px; position: relative; font-size: 15px; }
.cat-items li::before { content: ""; position: absolute; left: 0; top: 13px; width: 5px; height: 5px; border-radius: 50%; background: #b9cfe6; }
.cat-items a { color: var(--ink-2); }
.cat-items a:hover { color: var(--brand); }
.cat-more { margin-top: auto; font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }

/* ---------- 产品卡片 ---------- */
.prod-grid { display: grid; gap: 20px; }
.prod-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.prod-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: all .2s; }
.prod-card:hover { border-color: #bcd6ef; box-shadow: var(--shadow); transform: translateY(-3px); }
.prod-thumb { display: block; background: #fff; aspect-ratio: 1 / 1; overflow: hidden; }
.prod-thumb img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.prod-card:hover .prod-thumb img { transform: scale(1.03); }
.prod-body { padding: 16px 17px 18px; display: flex; flex-direction: column; flex: 1; }
.prod-cat { font-size: 12.5px; color: var(--teal); background: #e7f5f5; padding: 2px 9px; border-radius: 999px; align-self: flex-start; margin-bottom: 8px; }
.prod-body h3 { font-size: 17px; margin-bottom: 7px; }
.prod-body h3 a { color: var(--ink); }
.prod-body h3 a:hover { color: var(--brand); }
.prod-body p { font-size: 14.5px; color: var(--muted); margin-bottom: 12px; flex: 1; }
.prod-link { font-size: 14.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; margin-top: auto; }

/* ---------- 优势 / 行业 / 流程 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.why-card .ico { color: var(--brand); margin-bottom: 12px; }
.why-card h3 { font-size: 18px; margin-bottom: 8px; }
.why-card p { font-size: 15px; color: var(--muted); margin: 0; }

.industry-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
.industry-grid li { display: flex; align-items: center; justify-content: center; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 13px 8px; font-size: 15px; color: var(--ink-2); }
.industry-grid .ico { color: var(--teal); flex: 0 0 auto; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: f; }
.flow li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; position: relative; }
.flow-no { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 12px; }
.flow li h3 { font-size: 17px; margin-bottom: 6px; }
.flow li p { font-size: 14.6px; color: var(--muted); margin: 0; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.news-card time { font-size: 13.5px; color: var(--muted); }
.news-card h3 { font-size: 17px; margin: 8px 0 8px; }
.news-card h3 a { color: var(--ink); }
.news-card h3 a:hover { color: var(--brand); }
.news-card p { font-size: 14.5px; color: var(--muted); margin: 0; }

.news-list { display: grid; gap: 16px; }
.news-item { border-bottom: 1px dashed var(--line); padding-bottom: 18px; }
.news-item:last-child { border-bottom: 0; }
.news-item time { font-size: 13px; color: var(--muted); }
.news-item h2 { font-size: 19px; margin: 6px 0 8px; }
.news-item h2 a { color: var(--ink); }
.news-item h2 a:hover { color: var(--brand); }
.news-item p { color: var(--muted); font-size: 15px; margin-bottom: 8px; }

.rel-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 20px; }
.rel-list li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 15.5px; }
.rel-list li:last-child { border-bottom: 0; }
.rel-list time { color: var(--muted); font-size: 13px; flex: 0 0 auto; }

/* ---------- 地区链接 ---------- */
.area-links { display: flex; flex-wrap: wrap; gap: 10px; }
.area-links li a { display: block; padding: 8px 15px; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 14.5px; color: var(--ink-2); }
.area-links li a:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-light); }
.area-links-lg li a { font-size: 15px; }
.prov-block { margin-bottom: 26px; }

/* ---------- 联系区 ---------- */
/* 联系区改为悬浮渐变卡片，与页脚之间留出呼吸空白 */
.section-contact { background: none; padding: 8px 0 64px; }
.contact-in { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: start; background: linear-gradient(135deg, #0b5cab, #0e7c86); color: #fff; border-radius: 24px; padding: 46px 50px; box-shadow: var(--shadow-lg); }
.contact-text h2 { color: #fff; font-size: 27px; }
.contact-text > p { color: #d7e7f8; }
.contact-list { margin-top: 22px; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; color: #e6f1ff; font-size: 16px; }
.contact-list .ico { color: #8fd8ca; margin-top: 4px; flex: 0 0 auto; }
.contact-list a { color: #fff; font-weight: 700; }
.contact-form { background: #fff; border-radius: var(--radius-lg); padding: 26px 24px; box-shadow: var(--shadow-lg); }
.contact-form.form-block { margin-top: 26px; box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.form-block .h2-line { margin-top: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 14.5px; color: var(--ink-2); font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfe; color: var(--ink); transition: border-color .18s, box-shadow .18s; }
.field input:focus, .field textarea:focus { outline: 0; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(11, 92, 171, .1); }
.field textarea { resize: vertical; }
.form-note { font-size: 13.5px; color: var(--muted); margin: 10px 0 0; }

.contact-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 24px; }
.cc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.cc h3 { font-size: 15.5px; display: flex; align-items: center; gap: 7px; color: var(--brand); margin-bottom: 8px; }
.cc p { margin: 0; font-size: 14.5px; }

/* ---------- 页头 / 面包屑 ---------- */
.page-head { background: linear-gradient(135deg, #0d4f92, #0e6f80); color: #fff; padding: 30px 0 32px; }
.page-head-sm { padding: 18px 0 20px; }
.page-head h1 { color: #fff; font-size: 27px; margin-bottom: 8px; }
.page-head .page-sub { color: #cfe2f6; margin: 0; max-width: 900px; font-size: 15.6px; }
.crumb { font-size: 14.5px; color: #b9d3ee; margin-bottom: 10px; }
.crumb a { color: #dceaf9; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 6px; color: #8fb2d6; }
.crumb em { font-style: normal; color: #fff; }

/* ---------- 两栏布局 ---------- */
.layout-2col { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; padding-top: 38px; padding-bottom: 62px; }
.col-main { min-width: 0; }
.col-side { min-width: 0; }

/* ---------- 筛选条 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.filter-bar a { padding: 8px 16px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }
.filter-bar a:hover { border-color: var(--brand); color: var(--brand); }
.filter-bar a.active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- 富文本块 ---------- */
.rich-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 26px; }
.rich-block h2 { font-size: 20px; margin-top: 0; }
.rich-block h3 { font-size: 17px; margin-top: 22px; }
.rich-block p { margin-bottom: .9em; color: var(--ink-2); }
.rich-block img { border-radius: 8px; margin: 12px 0; }

/* ---------- 产品详情 ---------- */
.product-detail { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.pd-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; padding: 26px; align-items: start; }
.pd-gallery { min-width: 0; }
.pd-main-img { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.pd-main-img img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: contain; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd-thumbs button { padding: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; width: 78px; }
.pd-thumbs button:hover, .pd-thumbs button.active { border-color: var(--brand); }
.pd-thumbs img { width: 100%; height: 78px; object-fit: contain; background: #fff; }
.pd-info h1 { font-size: 25px; margin-bottom: 8px; }
.pd-sub { color: var(--teal); font-size: 16px; margin-bottom: 12px; }
.pd-short { color: var(--ink-2); font-size: 16px; background: var(--bg); border-left: 3px solid var(--brand); padding: 12px 14px; border-radius: 0 8px 8px 0; }
.pd-specs { margin: 14px 0 18px; border-top: 1px solid var(--line-2); }
.pd-specs > div { display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line-2); font-size: 15px; }
.pd-specs dt { flex: 0 0 96px; color: var(--muted); }
.pd-specs dd { margin: 0; color: var(--ink); }
.pd-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.pd-note { font-size: 14px; color: var(--muted); margin: 12px 0 0; }

.pd-tabs { border-top: 1px solid var(--line); }
.tab-nav { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 26px; background: #fafcfe; border-bottom: 1px solid var(--line); }
.tab-nav button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 15px 16px 12px; font-size: 16.5px; font-weight: 600; color: var(--ink-2); }
.tab-nav button.active { color: var(--brand); border-bottom-color: var(--brand); }
.tab-panel { display: none; padding: 24px 26px 28px; }
.tab-panel.active { display: block; }
.tab-panel h2 { font-size: 20px; }
.feat-list li { display: flex; gap: 9px; align-items: flex-start; padding: 7px 0; font-size: 15.8px; }
.feat-list .ico { color: var(--teal); margin-top: 4px; flex: 0 0 auto; }
.app-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.app-list li { background: var(--bg); border-radius: 8px; padding: 10px 14px; font-size: 15.2px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 11px 14px; font-size: 15.5px; text-align: left; }
.spec-table th { background: #f7fafd; width: 190px; color: var(--ink); font-weight: 600; }
.table-note { font-size: 13.8px; color: var(--muted); margin-top: 10px; }

.faq-list dt { font-weight: 700; color: var(--ink); padding: 12px 0 4px; font-size: 16.4px; }
.faq-list dd { color: var(--ink-2); font-size: 15.6px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); margin-bottom: 6px; }
.faq-list-lg dd { margin-bottom: 10px; }
.faq-group { margin-bottom: 30px; }
.home-faq { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 6px 26px 12px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 46px; align-items: stretch; }
.home-faq .faq-item { padding: 14px 0 12px; border-bottom: 1px dashed var(--line); display: flex; flex-direction: column; }
.home-faq .faq-head { display: flex; align-items: flex-start; gap: 8px; font-weight: 700; color: var(--ink); padding: 2px 0 4px; font-size: 16.4px; }
.home-faq .faq-head .ico { color: var(--teal); margin-top: 5px; flex: 0 0 auto; }
.home-faq .faq-head .faq-q { flex: 1 1 auto; min-width: 0; }
.home-faq .faq-a { color: var(--ink-2); font-size: 15.6px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
@media (min-width: 861px) {
    .home-faq .faq-item:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 860px) {
    .home-faq { grid-template-columns: 1fr; padding: 4px 18px 8px; }
    .home-faq .faq-item:last-child { border-bottom: 0; }
}
.faq-src { flex: 0 0 auto; font-size: 12px; font-weight: 400; color: var(--brand); background: var(--brand-light); border-radius: 999px; padding: 1px 9px; margin-top: 6px; align-self: flex-start; white-space: nowrap; }
.faq-src:hover { background: var(--brand); color: #fff; }
.faq-from-article { margin-top: 8px; font-size: 14px; }
.faq-from-article li { padding: 11px 0 4px; border-top: 1px dashed var(--line); }
.faq-from-article li:first-child { border-top: 0; }
.faq-from-article .fq { font-weight: 700; color: var(--ink); font-size: 16.4px; display: flex; align-items: flex-start; gap: 8px; }
.faq-from-article .fq .ico { color: var(--teal); margin-top: 5px; flex: 0 0 auto; }
.faq-from-article .fa { color: var(--ink-2); font-size: 15.6px; padding: 4px 0 4px 24px; }
.faq-from-article .fsrc { display: block; padding: 2px 0 8px 24px; font-size: 13.6px; color: var(--muted); }
.faq-from-article .fsrc a { color: var(--brand); }
.art-faq { margin-top: 26px; padding: 20px 22px 10px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.art-faq h2 { font-size: 19px; margin-bottom: 6px; }
.art-faq p.faq-tip { color: var(--muted); font-size: 14.4px; margin: 0 0 8px; }
@media (max-width: 860px) {
    .home-faq { display: block; padding: 6px 18px 12px; }
}

.pd-inquiry { background: var(--bg); border-top: 1px solid var(--line); padding: 24px 26px; }
.pd-inquiry h2 { font-size: 20px; }
.pd-inquiry p { color: var(--muted); font-size: 15.6px; margin-bottom: 14px; }
.pd-inquiry-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.pd-inquiry-land { font-size: 14.5px; color: var(--ink-2); }

/* ---------- 文章 ---------- */
.article { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 30px; }
.article h1 { font-size: 26px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14.5px; color: var(--muted); padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.article-summary { background: var(--brand-light); border-left: 3px solid var(--brand); padding: 12px 15px; border-radius: 0 8px 8px 0; color: var(--ink-2); font-size: 15.6px; }
.article-body p { margin-bottom: 1.05em; font-size: 16.5px; }
.article-body h2 { font-size: 20px; margin-top: 28px; }
.article-body h3 { font-size: 17px; margin-top: 22px; }
.article-body img { border-radius: 8px; margin: 14px 0; }
.article-body ul, .article-body ol { margin: 0 0 1em; padding-left: 4px; }
.article-body ul li { position: relative; padding: 5px 0 5px 16px; font-size: 16.4px; }
.article-body ul li::before { content: ""; position: absolute; left: 0; top: 15px; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }
.article-body ol { counter-reset: ao; }
.article-body ol li { counter-increment: ao; position: relative; padding: 5px 0 5px 26px; font-size: 16.4px; }
.article-body ol li::before { content: counter(ao) "."; position: absolute; left: 0; color: var(--brand); font-weight: 700; }
.article-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 26px 0 20px; }
.article-cta strong { color: var(--ink); }
.article-cta span { color: var(--muted); font-size: 15px; flex: 1 1 200px; }
.article-pn { display: grid; gap: 8px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15.5px; }

/* ---------- 关于我们 ---------- */
.about-hero { background: linear-gradient(135deg, #0b5cab 0%, #0a4d90 55%, #0e7c86 100%); color: #fff; overflow: hidden; position: relative; }
.about-hero-in { max-width: var(--wrap); margin: 0 auto; padding: 58px 20px 62px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center; position: relative; z-index: 1; }
.about-eyebrow { display: inline-block; margin: 0 0 14px; padding: 5px 14px; border-radius: 999px; background: rgba(255,255,255,.14); color: #e6f1ff; font-size: 14px; letter-spacing: .5px; }
.about-hero-copy h2, .about-hero-copy h1 { color: #fff; font-size: 30px; line-height: 1.3; margin-bottom: 14px; }
.about-lead { color: #d6e6f8; font-size: 16px; margin-bottom: 22px; }
.about-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.about-hero .btn-ghost { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.55); color: #fff; }
.about-hero .btn-ghost:hover { background: rgba(255,255,255,.2); color: #fff; }
.about-hero-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 22px 50px rgba(0, 20, 45, .32); background: #fff; }

.about-stats { background: #fff; border-bottom: 1px solid var(--line); }
.about-stats-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; padding: 26px 20px; }
.about-stats-in > div { flex: 1 1 150px; text-align: center; padding: 8px 6px; border-right: 1px dashed var(--line); }
.about-stats-in > div:last-child { border-right: 0; }
.about-stats-in strong { display: block; font-size: 30px; color: var(--brand); line-height: 1.2; margin-bottom: 4px; }
.about-stats-in span { font-size: 14.5px; color: var(--muted); }

.about-sec { max-width: var(--wrap); margin: 0 auto; padding: 44px 20px 8px; }
.about-sec:last-of-type { padding-bottom: 52px; }
.about-alt { background: transparent; }
.about-sec .h2-line { margin-top: 0; }
.about-sub { color: var(--muted); margin: -8px 0 22px; font-size: 15.5px; }
.about-grid { display: grid; gap: 18px; }
.about-grid-3 { grid-template-columns: repeat(3, 1fr); }
.about-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px; transition: all .2s; display: flex; flex-direction: column; }
.about-card:hover { border-color: #bcd6ef; box-shadow: var(--shadow); transform: translateY(-3px); }
.ac-ico { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--brand-light); color: var(--brand); margin-bottom: 12px; }
.about-card h3 { font-size: 17.5px; margin-bottom: 7px; }
.about-card p { font-size: 14.6px; color: var(--muted); flex: 1; }
.ac-link { font-size: 14.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; }

.about-2col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; }
.about-media-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-media-col img { width: 100%; aspect-ratio: 1/1; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.about-text-col > p { font-size: 15.6px; }
.about-ticks li { display: flex; align-items: flex-start; gap: 9px; padding: 9px 12px; background: #fff; border: 1px solid var(--line); border-radius: 9px; margin-bottom: 9px; font-size: 15.2px; }
.about-ticks .ico { color: var(--teal); margin-top: 5px; flex: 0 0 auto; }
.about-ticks strong { color: var(--ink); }

.about-cta { background: linear-gradient(135deg, #0d4f92, #0e6f80); color: #fff; margin-top: 40px; }
.about-cta-in { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding: 36px 20px; }
.about-cta h2 { color: #fff; font-size: 24px; margin-bottom: 8px; }
.about-cta p { color: #d7e7f8; margin: 0 0 6px; font-size: 15.5px; }
.about-addr { display: flex; align-items: center; gap: 7px; }
.about-addr .ico { color: #8fd8ca; flex: 0 0 auto; }
.about-cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.about-cta .btn-line { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.55); color: #fff; }
.about-cta .btn-line:hover { background: rgba(255,255,255,.2); color: #fff; }

/* ---------- 侧栏 ---------- */
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 20px; margin-bottom: 20px; }
.side-title { font-size: 17.5px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--brand-light); }

/* 侧栏：产品分类（卡片式行） */
.side-cats li { border-bottom: 0; margin: 0 0 6px; }
.side-cats li:last-child { margin-bottom: 0; }
.side-cats a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 11px 13px; border-radius: 9px; background: #f7fafd; border: 1px solid transparent; font-size: 15.2px; font-weight: 600; color: var(--ink-2); transition: all .16s; }
.side-cats a:hover { background: var(--brand-light); color: var(--brand); border-color: #c9dbf0; padding-left: 17px; }
.side-cats .sc-name { flex: 1; min-width: 0; }
.side-cats .sc-meta { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; color: #9fb2c6; }
.side-cats .sc-meta em { font-style: normal; font-size: 12.5px; font-weight: 700; background: #e9eff6; color: var(--muted); border-radius: 999px; padding: 1px 8px; }
.side-cats .sc-meta .ico { transition: transform .16s; }
.side-cats a:hover .sc-meta { color: var(--brand); }
.side-cats a:hover .sc-meta .ico { transform: translateX(3px); }
.side-cats a:hover .sc-meta em { background: #fff; color: var(--brand); }
.side-cats li.active a { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 4px 12px rgba(11, 92, 171, .24); }
.side-cats li.active .sc-meta { color: #cfe2f6; }
.side-cats li.active .sc-meta em { background: rgba(255, 255, 255, .18); color: #fff; }

.side-news li { padding: 8px 0 8px 13px; position: relative; border-bottom: 1px dashed var(--line); font-size: 15.2px; }
.side-news li:last-child { border-bottom: 0; }
.side-news li::before { content: ""; position: absolute; left: 0; top: 15px; width: 5px; height: 5px; border-radius: 50%; background: #b9cfe6; }
.side-news a { color: var(--ink-2); }
.side-areas { display: flex; flex-wrap: wrap; gap: 8px; }
.side-areas li a { display: block; font-size: 14.2px; padding: 5px 11px; background: var(--bg); border-radius: 999px; color: var(--ink-2); }
.side-areas li a:hover { background: var(--brand-light); color: var(--brand); }
.side-more { display: inline-block; margin-top: 12px; font-size: 14.5px; font-weight: 600; }

/* 侧栏：选型与报价（浅色卡片 + 橙色主按钮） */
.side-cta { background: linear-gradient(165deg, #f2f8ff 0%, #eef7f5 100%); border: 1px solid #d8e6f4; }
.side-cta .side-title { color: var(--ink); border-bottom-color: #d8e6f4; }
.side-cta p { color: var(--muted); font-size: 14.6px; }
.side-tel { display: flex; align-items: center; justify-content: center; gap: 9px; background: linear-gradient(135deg, var(--brand), #0e7c86); color: #fff !important; font-size: 21px; font-weight: 800; letter-spacing: .4px; padding: 13px 14px; border-radius: 10px; margin: 10px 0 6px; box-shadow: 0 4px 12px rgba(11, 92, 171, .25); }
.side-tel:hover { background: linear-gradient(135deg, var(--brand-dark), #0a6a73); color: #fff !important; }
.side-tel svg { flex: 0 0 auto; }
.side-land { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 14px; text-align: center; }

/* ---------- 分页 / 提示 ---------- */
.pager { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.pager a, .pager span { min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; color: var(--ink-2); padding: 0 12px; }
.pager a:hover { border-color: var(--brand); color: var(--brand); }
.pager span.cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.empty-tip { background: var(--bg); border: 1px dashed var(--line); border-radius: var(--radius); padding: 26px; text-align: center; color: var(--muted); }
.search-form { display: flex; gap: 10px; margin-bottom: 20px; }
.search-form input { flex: 1; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; }
.search-count { color: var(--muted); font-size: 15px; }

/* ---------- 404 ---------- */
.err-wrap { padding: 90px 20px 110px; text-align: center; }
.err-code { font-size: 86px; font-weight: 800; color: var(--brand-light); line-height: 1; letter-spacing: 4px; }
.err-wrap h1 { font-size: 26px; margin: 6px 0 12px; }
.err-wrap p { color: var(--muted); }
.err-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 22px 0; }
.err-tel { font-size: 15.5px; }

/* ---------- 页脚 ---------- */
.footer-cta { background: #fff; padding: 30px 0 10px; }
.footer-cta-in { display: flex; align-items: center; justify-content: space-between; gap: 16px 26px; padding: 24px 34px; background: linear-gradient(100deg, #0b5cab 0%, #0d6ba4 55%, #0e7c86 100%); border-radius: 16px; box-shadow: 0 12px 28px rgba(11, 92, 171, .22); flex-wrap: wrap; }
.fcta-text { margin: 0; color: #e8f2fc; font-size: 16.5px; font-weight: 600; flex: 1 1 240px; }
.fcta-tel { display: inline-flex; align-items: center; gap: 9px; color: #fff; font-size: 29px; font-weight: 800; letter-spacing: .5px; white-space: nowrap; }
.fcta-tel .ico { flex: 0 0 auto; }
.fcta-tel:hover { color: #ffe9c8; }
.fcta-btn { background: #fff; color: var(--brand); font-size: 16px; font-weight: 700; padding: 12px 30px; border-radius: 999px; box-shadow: 0 4px 12px rgba(6, 39, 71, .25); white-space: nowrap; }
.fcta-btn:hover { color: var(--brand-dark); transform: translateY(-1px); }

.site-footer { background: #16202c; color: #a9b7c6; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 0.9fr 1.2fr; gap: 32px; padding: 46px 20px 34px; }
.fcol h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.fbrand { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
/* 页脚品牌区与顶部 Logo 统一：椭圆「嘉立」图形 + 公司名 + 英文小字（深色底上不再套白色方块） */
.fbrand img { width: auto; height: 52px; object-fit: contain; background: transparent; border-radius: 0; padding: 0; filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .18)); }
.fbrand strong { display: block; color: #fff; font-size: 16.5px; letter-spacing: .02em; }
.fbrand em { display: block; margin-top: 3px; font-style: normal; font-size: 8.5px; color: #8fa2b8; letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; }
.fdesc { font-size: 14.4px; line-height: 1.8; }
.fcontact li { display: flex; align-items: flex-start; gap: 8px; padding: 4px 0; font-size: 14.6px; }
.fcontact .ico { color: #58a6e0; margin-top: 4px; flex: 0 0 auto; }
.fcontact a { color: #d6e6f7; }
.flinks li { padding: 4px 0; font-size: 14.6px; }
.flinks a { color: #a9b7c6; }
.flinks a:hover { color: #fff; }
.flinks-area { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.flinks-area li { padding: 0; }
.flinks-area a.more { color: #58a6e0; }
.footer-bottom { border-top: 1px solid #26313f; padding: 18px 20px 26px; font-size: 13px; color: #7f8fa1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #9fb0c2; }

/* ---------- 侧边工具 ---------- */
.side-tools { position: fixed; right: 14px; bottom: 84px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.side-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; width: 56px; height: 56px; padding: 0; border-radius: 13px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: var(--ink-2); font-size: 11.5px; line-height: 1.2; cursor: pointer; overflow: hidden; }
.side-btn svg { width: 20px; height: 20px; flex: 0 0 auto; }
.side-btn span { display: block; line-height: 1.2; white-space: nowrap; }
.side-btn:hover { color: var(--brand); border-color: #bcd6ef; }
.side-btn-tel { background: linear-gradient(150deg, var(--brand), #0e7c86); border-color: transparent; color: #fff; }
.side-btn-tel:hover { background: linear-gradient(150deg, var(--brand-dark), #0a6a73); color: #fff; }
.side-top { opacity: 0; pointer-events: none; transition: opacity .2s; }
.side-top.show { opacity: 1; pointer-events: auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .hero-in { grid-template-columns: 1fr; gap: 30px; }
    .hero-media { max-width: 620px; }
    .header-tel { display: none; }
    .cat-grid.cols-4, .prod-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
    .industry-grid { grid-template-columns: repeat(5, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
    .topbar-in { height: auto; padding: 8px 0; flex-direction: column; align-items: flex-start; gap: 4px; }
    .topbar-tip { white-space: normal; }
    .header-in { min-height: 66px; }
    .brand-mark { height: 44px; }
    .brand-text strong { font-size: 15.5px; }
    .brand-rule { margin: 4px 0 3px; }
    .brand-text em { display: none; }
    .nav-toggle { display: block; }
    .site-nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); display: none; margin: 0; padding: 8px 16px 14px; }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; gap: 2px; }
    .site-nav a { padding: 12px 10px; border-radius: 8px; }
    .layout-2col { grid-template-columns: minmax(0, 1fr); gap: 26px; }
    .col-side { order: 2; }
    .section { padding: 42px 0; }
    .hero h1 { font-size: 27px; }
    .page-head h1 { font-size: 22px; }
    .hero-stats { gap: 20px; }
    .hero-stats strong { font-size: 21px; }
    .pd-top { grid-template-columns: minmax(0, 1fr); padding: 18px; }
    .tab-nav { padding: 0 14px; overflow-x: auto; flex-wrap: nowrap; }
    .tab-nav button { white-space: nowrap; font-size: 15.5px; padding: 13px 11px 10px; }
    .tab-panel { padding: 20px 16px 22px; }
    .article { padding: 20px 18px; }
    .pd-inquiry { padding: 20px 18px; }
    .cat-grid.cols-4, .cat-grid.cols-3, .prod-grid.cols-4, .prod-grid.cols-3, .news-grid, .flow, .contact-cards, .field-row { grid-template-columns: repeat(2, 1fr); }
    .industry-grid { grid-template-columns: repeat(3, 1fr); }
    .edit-bar-in { flex-direction: column; }
    .side-tools { right: 10px; bottom: 66px; }
    .side-btn { width: 46px; height: 46px; border-radius: 10px; }
    .footer-cta-in { padding: 24px 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; padding: 32px 20px 22px; }
    .about-hero-in { grid-template-columns: minmax(0, 1fr); gap: 30px; padding: 34px 20px 38px; }
    .about-hero-copy h2 { font-size: 24px; }
    .about-2col { grid-template-columns: minmax(0, 1fr); }
    .about-grid-3 { grid-template-columns: minmax(0, 1fr); }
    .about-stats-in > div { flex: 1 1 30%; border-right: 0; }
    .about-stats-in strong { font-size: 24px; }
}

@media (max-width: 560px) {
    body { font-size: 15.5px; }
    .hero-in { padding: 34px 20px 38px; }
    .hero h1 { font-size: 24px; }
    .hero-sub { font-size: 15.5px; }
    .hero-btns .btn { flex: 1 1 100%; }
    .hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .cat-grid.cols-4, .cat-grid.cols-3, .prod-grid.cols-4, .prod-grid.cols-3, .news-grid, .flow, .why-grid, .contact-cards, .field-row { grid-template-columns: minmax(0, 1fr); }
    .industry-grid { grid-template-columns: repeat(2, 1fr); }
    .sec-head h2, .contact-text h2 { font-size: 22px; }
    .pd-info h1 { font-size: 21px; }
    .spec-table th { width: 110px; }
    .app-list { grid-template-columns: 1fr; }
    .contact-form { padding: 20px 16px; }
    .search-form { flex-direction: column; }
    .err-code { font-size: 62px; }
}


/* ---------- 2026-10-08 UI 优化 v2 ---------- */
/* 浮动工具条：图标与文字严格收进按钮内 */
.side-tools .side-btn { width: 56px; height: 56px; gap: 3px; padding: 0; font-size: 11.5px; line-height: 1.2; overflow: hidden; }
.side-tools .side-btn svg { width: 20px; height: 20px; flex: 0 0 auto; }
.side-tools .side-btn span { display: block; line-height: 1.2; white-space: nowrap; }
.side-tools .side-btn-tel { background: linear-gradient(150deg, var(--brand), #0e7c86); border-color: transparent; color: #fff; }
.side-tools .side-btn-tel:hover { background: linear-gradient(150deg, var(--brand-dark), #0a6a73); color: #fff; }

/* 产品详情：主图填满左栏高度，消除下方空白 */
.pd-top { align-items: stretch; }
.pd-gallery { display: flex; flex-direction: column; }
.pd-main-img { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; min-height: 0; }
.pd-main-img img { width: 100%; height: 100%; min-height: 0; aspect-ratio: auto; max-height: 560px; object-fit: contain; }

@media (max-width: 860px) {
    /* 移动端隐藏顶部条 */
    .topbar { display: none; }
    /* 联系区块改单列，不再挤压 */
    .contact-in { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .pd-main-img { flex: 0 0 auto; }
    .pd-main-img img { height: auto; aspect-ratio: 1 / 1; max-height: none; }
}

@media (max-width: 560px) {
    /* 产品一排 2 个（首页热门 + 分类列表），卡片紧凑 */
    .prod-grid.cols-4, .prod-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .prod-grid .prod-body { padding: 10px 12px 12px; }
    .prod-grid .prod-body h3 { font-size: 15px; }
    .prod-grid .prod-body p { display: none; }
    .prod-grid .prod-link { font-size: 13px; }
    /* 服务流程一排 2 个，紧凑 */
    .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .flow li { padding: 14px 12px; }
    .flow li h3 { font-size: 15.5px; }
    .flow li p { font-size: 13.5px; }
    /* 新闻卡片简化：只留日期 + 标题 */
    .news-card { padding: 14px 16px; }
    .news-card p { display: none; }
    .news-card h3 { font-size: 15.5px; margin: 6px 0 0; }
    /* 页脚隐藏热门地区分站列 */
    .footer-grid .fcol-areas { display: none; }
    /* 底部 CTA 横条紧凑 */
    .footer-cta-in { padding: 18px; border-radius: 14px; }
    .fcta-tel { font-size: 23px; flex: 1 1 auto; }
    .fcta-btn { flex: 1 1 100%; text-align: center; }
}

/* ==========================================================================
   2026-10-08 UI 优化 v3：移动端整体精简（首页 / 列表页 / 详情页）
   原则：缩短下拉长度，只保留决策必要信息
   ========================================================================== */

/* 关于我们：hero 内面包屑（顶部蓝条页头已不再重复输出） */
.about-crumb { font-size: 14px; margin-bottom: 12px; }
.about-crumb a { color: #dceaf9; }
.about-crumb a:hover { color: #fff; }
.about-crumb span { margin: 0 6px; color: #8fb2d6; }
.about-crumb em { font-style: normal; color: #fff; }

@media (max-width: 860px) {
    /* 关于我们 hero 标题（已升级为 h1）字号收敛，统计条紧凑 */
    .about-hero-copy h2, .about-hero-copy h1 { font-size: 24px; }
    .about-stats-in { gap: 12px; padding: 18px 20px; }
}

@media (max-width: 560px) {
    /* ---------- 首页：产品分类（两列紧凑卡，去掉简介与产品清单） ---------- */
    .cat-grid.cols-4, .cat-grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .cat-card { padding: 14px 13px 12px; border-radius: 12px; }
    .cat-card .cat-intro, .cat-card .cat-items { display: none; }
    .cat-card-top { display: block; border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
    .cat-card .cat-name { display: block; font-size: 15.5px; line-height: 1.5; }
    .cat-card .cat-count { display: inline-block; margin-top: 6px; font-size: 11.5px; padding: 1px 8px; }
    .cat-card .cat-more { display: flex; justify-content: space-between; width: 100%; margin-top: 10px; padding-top: 9px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--brand); }

    /* ---------- 首页：为什么选择我们（两列，只留图标 + 标题） ---------- */
    .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .why-card { padding: 14px 10px 12px; text-align: center; border-radius: 12px; }
    .why-card p { display: none; }
    .why-card .ico { margin-bottom: 4px; }
    .why-card h3 { font-size: 14.5px; margin: 0; }

    /* ---------- 首页：应用行业改 3 列小标签 ---------- */
    .industry-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
    .industry-grid li { padding: 9px 4px; font-size: 13px; gap: 4px; }
    .industry-grid .ico { width: 14px; height: 14px; }

    /* ---------- 首页：热门产品只显示 4 个、新闻资讯只显示 3 条 ---------- */
    .sec-hot .prod-grid .prod-card:nth-child(n+5) { display: none; }
    .news-grid .news-card:nth-child(n+4) { display: none; }

    /* ---------- 首页：常见问题只显示前 3 条 ---------- */
    .home-faq .faq-item:nth-child(n+4) { display: none; }
    .home-faq .faq-head { padding: 8px 0 2px; font-size: 15.5px; }
    .home-faq .faq-a { font-size: 14.8px; }

    /* ---------- 首页：地区分站板块整体隐藏 ---------- */
    .sec-areas-home { display: none; }

    /* ---------- 页脚精简：两列 + 品牌整行 ---------- */
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; padding: 26px 20px 16px; }
    .fcol-brand { grid-column: 1 / -1; }
    .fbrand { margin-bottom: 8px; }
    .fdesc { display: none; }
    .fcontact li { padding: 2px 0; font-size: 14px; }
    .fcontact li:nth-child(n+3) { display: none; }
    .fcol h4 { font-size: 15px; margin-bottom: 8px; }
    .flinks li { padding: 2px 0; font-size: 14px; }
    .footer-bottom { padding: 10px 20px 16px; }
    .footer-bottom .disclaimer { display: none; }

    /* ---------- 移动端：底部 CTA 横条与侧栏「选型与报价」重复，隐藏 ---------- */
    .footer-cta { display: none; }

    /* ---------- 移动端：联系卡片与页脚留白 ---------- */
    .section-contact { padding: 4px 0 36px; }
    .contact-in { padding: 26px 18px; border-radius: 16px; gap: 22px; }

    /* ---------- 侧栏（列表页 / 详情页）精简 ---------- */
    .side-box-news, .side-box-areas { display: none; }
    .col-side .side-box { padding: 12px 14px 14px; margin-bottom: 12px; }
    .col-side .side-title { font-size: 16px; margin-bottom: 10px; padding-bottom: 8px; }
    .side-cats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; }
    .side-cats li { margin: 0; }
    .side-cats a { padding: 9px 10px; font-size: 13.5px; }
    .side-cats .sc-meta em { display: none; }
    .side-cta p { display: none; }
    .side-cta .side-tel { font-size: 18px; padding: 11px 12px; margin: 2px 0 6px; }
    .side-land { margin-bottom: 8px; }

    /* ---------- 产品详情页精简 ---------- */
    .product-detail { border-radius: 12px; }
    .pd-top { padding: 14px; gap: 16px; }
    .pd-thumbs button { width: 60px; }
    .pd-thumbs img { height: 60px; }
    .pd-short { font-size: 15px; padding: 10px 12px; }
    .pd-specs > div { padding: 7px 0; font-size: 14.5px; }
    .pd-specs dt { flex: 0 0 84px; }
    .pd-note { display: none; }
    .pd-cta .btn { flex: 1 1 100%; }
    .pd-inquiry { padding: 16px; }
    .pd-inquiry p { font-size: 14.6px; }

    /* ---------- 文章详情页精简 ---------- */
    .article { padding: 16px; }
    .article h1 { font-size: 21px; }
    .article-meta { gap: 10px 16px; font-size: 13.8px; padding-bottom: 12px; margin-bottom: 14px; }
    .article-body p, .article-body ul li, .article-body ol li { font-size: 15.8px; }
    .art-faq { padding: 16px 16px 8px; }
}

/* ===================== 2026-10-08 全站 Hero 电话按钮统一（首页/关于我们/地区分站） =====================
   蓝色渐变大图上的电话按钮统一为：白色实底 + 品牌蓝粗体号码，17px/800 全站一致；
   次按钮（查看产品中心/在线留言）为半透明白描边，主次层级统一。 */
.btn-call {
    background: #fff;
    border: 1px solid #fff;
    color: var(--brand-dark);
    font-weight: 800;
    font-size: 17px;
    letter-spacing: .3px;
    font-variant-numeric: tabular-nums;
    box-shadow: 0 10px 24px rgba(0, 22, 50, .30);
}
.btn-call .ico { color: var(--brand); }
.btn-call:hover,
.btn-call:focus {
    background: #eef5fd;
    border-color: #eef5fd;
    color: var(--brand-dark);
    box-shadow: 0 12px 28px rgba(0, 22, 50, .36);
}
/* 次按钮描边略加强，避免在渐变上发虚 */
.hero .btn-line, .about-hero .btn-ghost { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .72); color: #fff; }
.hero .btn-line:hover, .about-hero .btn-ghost:hover { background: rgba(255, 255, 255, .26); border-color: #fff; color: #fff; }

/* 企业事实表：结构化呈现企业信息，便于访客阅读与 AI 抽取 */
.fact-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0 0 26px; font-size: 15px; }
.fact-table th, .fact-table td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.8; }
.fact-table tr:last-child th, .fact-table tr:last-child td { border-bottom: 0; }
.fact-table th { width: 150px; white-space: nowrap; background: #f6f9fc; color: var(--brand-dark, var(--brand)); font-weight: 600; }
.fact-table td { color: var(--text, #333); }
.sec-extra { margin-top: 30px; }
.sec-title { font-size: 20px; margin: 26px 0 16px; padding-left: 12px; border-left: 4px solid var(--brand); line-height: 1.4; }
@media (max-width: 640px) {
    .fact-table th, .fact-table td { display: block; width: auto; }
    .fact-table th { border-bottom: 0; padding-bottom: 2px; }
    .fact-table td { padding-top: 2px; }
}