@charset "UTF-8";
/* ==========================================================================
   DUHAI 企业官网 — 前台样式表 (assets/css/frontend.css)
   纯静态资源：无构建步骤 / 无 CDN / 无外部字体 / 无第三方框架
   断点：1200px / 992px / 768px / 480px
   --------------------------------------------------------------------------
   01 主题变量与重置        02 排版与通用工具      03 按钮/徽标/图标/标签
   04 页头与导航            05 首页轮播            06 首页各区块
   07 卡片                  08 分页                09 内页头部与面包屑
   10 筛选栏                11 侧边栏组件          12 详情页
   13 富文本正文            14 表单与留言          15 页脚
   16 侧边工具条            17 错误页              18 视口入场动画
   19 响应式                20 减少动效与打印
   ========================================================================== */

/* --------------------------------------------------------------------------
   01 主题变量与重置
   -------------------------------------------------------------------------- */
:root {
    /* 品牌色 */
    --c-primary: #1867d2;
    --c-primary-dark: #1257b4;
    --c-primary-light: #e8f1fd;
    --c-primary-soft: rgba(24, 103, 210, .08);
    --c-accent: #0d8a4f;
    --c-accent-dark: #0a7040;
    --c-accent-light: #e6f6ee;
    /* 文字与边框 */
    --c-text: #25303f;
    --c-text-sub: #6b7787;
    --c-text-light: #93a0b0;
    --c-border: #e6ebf2;
    --c-border-dark: #d5dde8;
    /* 背景 */
    --c-bg: #ffffff;
    --c-bg-soft: #f5f7fb;
    --c-bg-dark: #111a26;
    --c-white: #ffffff;
    /* 状态色 */
    --c-danger: #d64545;
    --c-danger-light: #fdecec;
    --c-warning: #d98a15;
    /* 圆角 */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius: 10px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --radius-pill: 999px;
    /* 间距 */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-7: 32px;
    --sp-8: 40px;
    --sp-9: 56px;
    --sp-10: 72px;
    /* 区块上下留白 60-80px */
    --section-y: 80px;
    /* 容器：1440px 视口下内容区 1200px 居中 */
    --container: 1200px;
    --container-pad: 20px;
    /* 阴影 */
    --shadow-xs: 0 1px 2px rgba(37, 48, 63, .05);
    --shadow-sm: 0 2px 8px rgba(37, 48, 63, .06);
    --shadow: 0 6px 20px rgba(37, 48, 63, .08);
    --shadow-lg: 0 14px 40px rgba(37, 48, 63, .12);
    /* 过渡 */
    --t-fast: .18s ease;
    --t: .28s ease;
    --t-slow: .45s cubic-bezier(.22, .68, .36, 1);
    /* 其它 */
    --header-h: 76px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body, .site-body { margin: 0; padding: 0; font-family: var(--font); font-size: 15px; line-height: 1.7; color: var(--c-text); background: var(--c-bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
body.nav-open { overflow: hidden; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 var(--sp-4); font-weight: 700; line-height: 1.35; color: var(--c-text); }
p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--t-fast), background-color var(--t-fast), border-color var(--t-fast); }
a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
img[loading="lazy"], .product-media img, .case-media img, .news-media img, .gallery-main img, .gallery-thumb img, .widget-product-img, .about-media img, .case-figure img, .page-cover img, .article-cover img, .map-box img { object-fit: cover; object-position: center; }
ul, ol { margin: 0 0 var(--sp-4); padding-left: 20px; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
table { border-collapse: collapse; border-spacing: 0; }
iframe { max-width: 100%; border: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid rgba(24, 103, 210, .55); outline-offset: 2px; border-radius: var(--radius-xs); }
/* 无障碍跳转链接：默认隐藏，聚焦显示 */
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 2000; padding: 10px 18px; font-size: 14px; font-weight: 600; color: var(--c-white); background: var(--c-primary); border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow); transition: top var(--t-fast); }
.skip-link:focus, .skip-link:focus-visible { top: 0; color: var(--c-white); outline-offset: 3px; }

/* --------------------------------------------------------------------------
   02 排版与通用工具
   -------------------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--container-pad); }
.site-main { display: block; min-height: 40vh; }
.section { padding: var(--section-y) 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-7); }
.section-head-left { max-width: 720px; }
.section-label { display: inline-block; margin: 0 0 var(--sp-2); font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--c-primary); }
.section-label::before { content: ""; display: inline-block; width: 18px; height: 2px; margin-right: 8px; vertical-align: middle; background: var(--c-primary); }
.section-title { margin: 0; font-size: 32px; line-height: 1.3; letter-spacing: -.01em; }
.section-more { flex: 0 0 auto; font-size: 14px; font-weight: 600; color: var(--c-text-sub); white-space: nowrap; }
.section-more:hover { color: var(--c-primary); }
.block-title { position: relative; margin: 0 0 var(--sp-5); padding-left: 14px; font-size: 20px; line-height: 1.4; }
.block-title::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 2px; background: var(--c-primary); }
.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.layout-with-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-8); align-items: start; }
.main-col { min-width: 0; }
.empty-state { padding: var(--sp-10) var(--sp-5); text-align: center; background: var(--c-bg-soft); border: 1px dashed var(--c-border-dark); border-radius: var(--radius-lg); }
.empty-text { margin: 0; font-size: 15px; color: var(--c-text-sub); }

/* --------------------------------------------------------------------------
   03 按钮 / 徽标 / 图标 / 标签
   -------------------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 22px; font-size: 15px; font-weight: 600; line-height: 1.4; text-align: center; white-space: nowrap; border: 1px solid transparent; border-radius: var(--radius); cursor: pointer; transition: background-color var(--t), color var(--t), border-color var(--t), box-shadow var(--t), transform var(--t); }
.btn:active { transform: translateY(1px); }
.btn-primary { color: var(--c-white); background: var(--c-primary); border-color: var(--c-primary); box-shadow: 0 4px 14px rgba(24, 103, 210, .24); }
.btn-primary:hover { color: var(--c-white); background: var(--c-primary-dark); border-color: var(--c-primary-dark); box-shadow: 0 8px 22px rgba(24, 103, 210, .32); }
.btn-outline { color: var(--c-text); background: transparent; border-color: var(--c-border-dark); }
.btn-outline:hover { color: var(--c-primary); background: var(--c-primary-light); border-color: var(--c-primary); }
.btn-ghost { color: var(--c-white); background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .55); }
.btn-ghost:hover { color: var(--c-primary); background: var(--c-white); border-color: var(--c-white); }
.btn-light { color: var(--c-primary); background: var(--c-white); border-color: var(--c-white); box-shadow: var(--shadow-sm); }
.btn-light:hover { color: var(--c-primary-dark); background: var(--c-primary-light); border-color: var(--c-primary-light); }
.btn-success { color: var(--c-white); background: var(--c-accent); border-color: var(--c-accent); }
.btn-success:hover { color: var(--c-white); background: var(--c-accent-dark); border-color: var(--c-accent-dark); }
.btn-block { display: flex; width: 100%; }
.btn-sm { padding: 7px 15px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 13px 32px; font-size: 16px; border-radius: var(--radius-md); }
.badge { display: inline-block; padding: 3px 9px; font-size: 12px; font-weight: 700; line-height: 1.5; letter-spacing: .04em; color: var(--c-white); background: var(--c-primary); border-radius: var(--radius-xs); }
.badge-hot { background: var(--c-danger); }
.badge-rec { background: var(--c-accent); }
.dot { display: inline-block; width: 6px; height: 6px; margin-right: 6px; vertical-align: middle; background: var(--c-accent); border-radius: 50%; }
.tag { display: inline-block; padding: 4px 12px; margin: 0 8px 8px 0; font-size: 13px; color: var(--c-text-sub); background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-pill); transition: all var(--t-fast); }
.tag:hover { color: var(--c-white); background: var(--c-primary); border-color: var(--c-primary); }
.icon { width: 16px; height: 16px; flex: 0 0 auto; fill: currentColor; vertical-align: middle; }
.icon-lg { width: 30px; height: 30px; }
.icon-caret { width: 14px; height: 14px; margin-left: 2px; opacity: .7; }

/* --------------------------------------------------------------------------
   04 页头与导航
   -------------------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 900; background: var(--c-white); transition: box-shadow var(--t); }
.site-header.scrolled { box-shadow: 0 4px 20px rgba(37, 48, 63, .1); }
.topbar { font-size: 13px; color: var(--c-text-sub); background: var(--c-bg-soft); border-bottom: 1px solid var(--c-border); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5); min-height: 38px; }
.topbar-slogan { margin: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: var(--sp-5); flex: 0 0 auto; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; color: var(--c-text-sub); }
.topbar-item:hover { color: var(--c-primary); }
.lang-switch { display: inline-flex; align-items: center; gap: 2px; padding: 2px; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-pill); }
.lang-item { padding: 2px 12px; font-size: 12px; line-height: 1.8; color: var(--c-text-sub); border-radius: var(--radius-pill); }
.lang-item:hover { color: var(--c-primary); }
.lang-item.active { color: var(--c-white); background: var(--c-primary); }
.header-main { border-bottom: 1px solid var(--c-border); }
.header-inner { display: flex; align-items: center; gap: var(--sp-6); min-height: var(--header-h); transition: min-height var(--t); }
.site-header.scrolled .header-inner { min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; color: var(--c-text); }
.logo:hover { color: var(--c-primary); }
.logo img { display: block; max-height: 44px; width: auto; object-fit: contain; }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; font-size: 20px; font-weight: 700; color: var(--c-white); background: linear-gradient(135deg, var(--c-primary), #2f8ae0); border-radius: var(--radius-md); }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.logo-text em { font-size: 11px; font-style: normal; letter-spacing: .06em; color: var(--c-text-sub); }
/* 汉堡按钮（桌面隐藏，移动端显示） */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; padding: 0 9px; background: transparent; border: 1px solid var(--c-border); border-radius: var(--radius-sm); }
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--c-text); border-radius: 2px; transition: transform var(--t), opacity var(--t); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.main-nav { flex: 1 1 auto; min-width: 0; }
.nav-list { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
.nav-item { position: relative; }
.nav-link { display: inline-flex; align-items: center; padding: 12px 16px; font-size: 15px; font-weight: 600; color: var(--c-text); border-radius: var(--radius-sm); white-space: nowrap; }
.nav-item:hover > .nav-link, .nav-item.active > .nav-link { color: var(--c-primary); background: var(--c-primary-soft); }
.nav-sub { position: absolute; top: 100%; left: 0; z-index: 20; min-width: 200px; margin: 0; padding: 8px; list-style: none; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-md); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity var(--t), transform var(--t), visibility var(--t); }
.nav-item.has-children:hover > .nav-sub { opacity: 1; visibility: visible; transform: translateY(4px); }
.nav-sub-item { list-style: none; }
.nav-sub-link { display: block; padding: 9px 14px; font-size: 14px; color: var(--c-text-sub); border-radius: var(--radius-sm); white-space: nowrap; }
.nav-sub-link:hover, .nav-sub-item.active > .nav-sub-link { color: var(--c-primary); background: var(--c-primary-light); }
/* 抽屉内的附加区：仅移动端菜单显示 */
.nav-mobile-extra { display: none; }
.header-search { display: flex; align-items: center; flex: 0 0 auto; overflow: hidden; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-pill); transition: border-color var(--t), box-shadow var(--t); }
.header-search:focus-within { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft); }
.header-search-input { width: 170px; padding: 9px 6px 9px 18px; font-size: 14px; background: transparent; border: 0; outline: none; }
.header-search-input::placeholder { color: var(--c-text-light); }
.header-search-btn { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 38px; color: var(--c-text-sub); background: transparent; border: 0; }
.header-search-btn:hover { color: var(--c-primary); }

/* --------------------------------------------------------------------------
   05 首页轮播（桌面 520px / 移动 380px）
   -------------------------------------------------------------------------- */
.hero-slider { position: relative; height: 520px; overflow: hidden; background: var(--c-bg-dark); }
.hero-track { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; z-index: 1; display: flex; align-items: center; opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s ease; }
.hero-slide.active { z-index: 2; opacity: 1; visibility: visible; }
.hero-slide-bg { position: absolute; inset: 0; background-repeat: no-repeat; background-size: cover; background-position: center; transform: scale(1.02); }
.hero-slide-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10, 20, 35, .78) 0%, rgba(10, 20, 35, .55) 45%, rgba(10, 20, 35, .25) 100%); }
.hero-content { position: relative; z-index: 3; max-width: 720px; color: var(--c-white); }
.hero-title { margin: 0 0 var(--sp-4); font-size: 46px; line-height: 1.2; letter-spacing: -.01em; color: var(--c-white); text-shadow: 0 2px 20px rgba(0, 0, 0, .35); }
.hero-sub { max-width: 620px; margin: 0 0 var(--sp-6); font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, .88); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.hero-nav { position: absolute; left: 50%; bottom: 26px; z-index: 10; display: flex; align-items: center; justify-content: center; gap: var(--sp-5); transform: translateX(-50%); }
.hero-arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; font-size: 24px; line-height: 1; color: var(--c-white); background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .4); border-radius: 50%; transition: background-color var(--t), color var(--t), transform var(--t); }
.hero-arrow:hover { color: var(--c-primary); background: var(--c-white); transform: scale(1.06); }
.hero-prev, .hero-next { flex: 0 0 auto; }
.hero-dots { display: flex; align-items: center; gap: 10px; }
.hero-dot { width: 10px; height: 10px; padding: 0; background: rgba(255, 255, 255, .45); border: 0; border-radius: var(--radius-pill); transition: width var(--t), background-color var(--t); }
.hero-dot:hover { background: rgba(255, 255, 255, .8); }
.hero-dot.active { width: 30px; background: var(--c-white); }

/* --------------------------------------------------------------------------
   06 首页各区块（浅灰底 #f5f7fb 交替区分层次）
   -------------------------------------------------------------------------- */
.section-features { padding-top: var(--sp-10); background: var(--c-white); }
.section-about { background: var(--c-bg-soft); }
.section-products { background: var(--c-white); }
.section-cases { background: var(--c-bg-soft); }
.section-news { background: var(--c-white); }
.section-jobs { background: var(--c-bg-soft); }
.section-contact { background: var(--c-white); }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--sp-6); }
.feature-item { padding: var(--sp-7) var(--sp-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.feature-item:hover { transform: translateY(-6px); border-color: rgba(24, 103, 210, .35); box-shadow: var(--shadow); }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; margin-bottom: var(--sp-5); color: var(--c-primary); background: var(--c-primary-light); border-radius: var(--radius-lg); transition: background-color var(--t), color var(--t); }
.feature-item:hover .feature-icon { color: var(--c-white); background: var(--c-primary); }
.feature-title { margin: 0 0 var(--sp-3); font-size: 18px; }
.feature-desc { margin: 0; font-size: 14px; line-height: 1.8; color: var(--c-text-sub); }
/* 关于我们 */
.about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-9); align-items: center; }
.about-media { position: relative; padding-bottom: 46px; }
.about-media > img { display: block; width: 100%; height: 400px; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-stats { position: absolute; left: 24px; right: 24px; bottom: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; background: var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.stat-item { padding: var(--sp-5) var(--sp-3); text-align: center; background: var(--c-white); }
.stat-num { display: block; font-family: var(--font-mono); font-size: 26px; font-weight: 700; line-height: 1.2; color: var(--c-primary); }
.stat-num span { font-size: 16px; color: var(--c-accent); }
.stat-label { display: block; margin-top: 2px; font-size: 13px; color: var(--c-text-sub); }
.about-text .section-title { margin-bottom: var(--sp-5); }
.about-content { margin-bottom: var(--sp-5); font-size: 15px; line-height: 1.9; color: var(--c-text-sub); }
.about-points { margin: 0 0 var(--sp-6); padding: 0; list-style: none; }
.about-points li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 15px; color: var(--c-text); }
.about-points li::before { content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 8px; border-left: 2px solid var(--c-accent); border-bottom: 2px solid var(--c-accent); transform: rotate(-45deg); }
/* 中部横幅 */
.mid-banner { position: relative; padding: var(--sp-9) 0; background-color: var(--c-bg-dark); background-repeat: no-repeat; background-size: cover; background-position: center; }
.mid-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12, 30, 55, .88), rgba(12, 30, 55, .58)); }
.mid-banner-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-7); }
.mid-banner-title { margin: 0 0 var(--sp-2); font-size: 28px; color: var(--c-white); }
.mid-banner-sub { margin: 0; font-size: 15px; color: rgba(255, 255, 255, .82); }
/* 新闻 */
.news-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-6); }
.news-list { display: grid; gap: var(--sp-5); }
/* 招聘条 */
.job-strip { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); margin: 0; padding: 0; list-style: none; }
.job-strip-item { list-style: none; }
.job-strip-link { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-5) var(--sp-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-md); transition: border-color var(--t), box-shadow var(--t), transform var(--t); }
.job-strip-link:hover { border-color: rgba(24, 103, 210, .4); box-shadow: var(--shadow-sm); transform: translateX(4px); }
.job-strip-title { flex: 1 1 auto; min-width: 0; overflow: hidden; font-size: 16px; font-weight: 600; color: var(--c-text); white-space: nowrap; text-overflow: ellipsis; }
.job-strip-link:hover .job-strip-title { color: var(--c-primary); }
.job-strip-meta { flex: 0 0 auto; font-size: 13px; color: var(--c-text-sub); }
.job-strip-salary { flex: 0 0 auto; padding: 3px 10px; font-size: 13px; font-weight: 600; color: var(--c-accent); background: var(--c-accent-light); border-radius: var(--radius-pill); }
/* 首页联系区 */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-8); align-items: start; }
.contact-info .section-title { margin-bottom: var(--sp-4); }
.contact-tip { margin-bottom: var(--sp-6); font-size: 15px; line-height: 1.9; color: var(--c-text-sub); }
.contact-list { margin: 0; padding: 0; list-style: none; }
.contact-item { display: flex; align-items: baseline; gap: var(--sp-4); padding: 13px 0; border-bottom: 1px dashed var(--c-border); }
.contact-item:last-child { border-bottom: 0; }
.contact-label { flex: 0 0 88px; font-size: 14px; color: var(--c-text-sub); }
.contact-value { flex: 1 1 auto; min-width: 0; font-size: 15px; font-weight: 600; color: var(--c-text); word-break: break-word; }
.map-box { margin-top: var(--sp-6); overflow: hidden; line-height: 0; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-lg); }
.map-box iframe, .map-box img { display: block; width: 100%; min-height: 280px; }

/* --------------------------------------------------------------------------
   07 卡片（产品 / 案例 / 新闻）
   -------------------------------------------------------------------------- */
.product-card { display: flex; flex-direction: column; overflow: hidden; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.product-card:hover { transform: translateY(-6px); border-color: rgba(24, 103, 210, .32); box-shadow: var(--shadow); }
.product-media { position: relative; display: block; overflow: hidden; background: var(--c-bg-soft); aspect-ratio: 4 / 3; }
.product-media img { display: block; width: 100%; height: 100%; transition: transform var(--t-slow); }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-media .badge { position: absolute; top: 12px; left: 12px; z-index: 2; box-shadow: var(--shadow-sm); }
.product-media .badge-rec { left: auto; right: 12px; }
.product-body { display: flex; flex: 1 1 auto; flex-direction: column; padding: var(--sp-5); }
.product-name { margin: 0 0 var(--sp-2); font-size: 17px; line-height: 1.45; }
.product-name a { display: -webkit-box; overflow: hidden; color: var(--c-text); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.product-name a:hover { color: var(--c-primary); }
.product-model { margin: 0 0 var(--sp-2); font-size: 13px; color: var(--c-text-light); }
.product-desc { display: -webkit-box; overflow: hidden; margin: 0 0 var(--sp-5); font-size: 14px; line-height: 1.75; color: var(--c-text-sub); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-top: auto; padding-top: var(--sp-4); border-top: 1px solid var(--c-border); }
.product-price { font-size: 16px; font-weight: 700; color: var(--c-danger); }
.case-card { overflow: hidden; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.case-card:hover { transform: translateY(-6px); border-color: rgba(24, 103, 210, .32); box-shadow: var(--shadow); }
.case-media { position: relative; display: block; overflow: hidden; background: var(--c-bg-dark); aspect-ratio: 4 / 3; }
.case-media img { display: block; width: 100%; height: 100%; transition: transform var(--t-slow); }
.case-card:hover .case-media img { transform: scale(1.07); }
.case-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: var(--sp-6); color: var(--c-white); background: linear-gradient(180deg, rgba(10, 20, 35, 0) 30%, rgba(10, 20, 35, .88) 100%); opacity: 0; transition: opacity var(--t); }
.case-card:hover .case-overlay { opacity: 1; }
.case-title { margin: 0 0 4px; font-size: 17px; color: var(--c-white); }
.case-client { margin: 0 0 var(--sp-3); font-size: 13px; color: rgba(255, 255, 255, .78); }
.case-more { font-size: 13px; font-weight: 600; color: var(--c-white); }
.case-body { padding: var(--sp-5); }
.case-name { margin: 0 0 var(--sp-2); font-size: 17px; line-height: 1.45; }
.case-name a { display: -webkit-box; overflow: hidden; color: var(--c-text); -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.case-name a:hover { color: var(--c-primary); }
.case-desc { display: -webkit-box; overflow: hidden; margin: 0; font-size: 14px; line-height: 1.75; color: var(--c-text-sub); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
/* 案例列表网格：等高卡片 */
.case-grid { align-items: stretch; }
.case-grid .case-card { display: flex; flex-direction: column; }
.case-grid .case-body { flex: 1 1 auto; }
/* 新闻列表项 */
.news-item { display: flex; gap: var(--sp-5); padding: var(--sp-5); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.news-item:hover { transform: translateY(-4px); border-color: rgba(24, 103, 210, .3); box-shadow: var(--shadow); }
.news-columns .news-item { flex-direction: column; }
.news-media { flex: 0 0 220px; overflow: hidden; background: var(--c-bg-soft); border-radius: var(--radius-md); aspect-ratio: 4 / 3; }
.news-columns .news-media { flex: 0 0 auto; width: 100%; }
.news-media img { display: block; width: 100%; height: 100%; transition: transform var(--t-slow); }
.news-item:hover .news-media img { transform: scale(1.06); }
.news-body { display: flex; flex: 1 1 auto; flex-direction: column; min-width: 0; }
.news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-2); font-size: 13px; color: var(--c-text-light); }
.news-date { display: inline-flex; align-items: center; }
.news-cat { padding: 2px 10px; font-size: 12px; color: var(--c-primary); background: var(--c-primary-light); border-radius: var(--radius-pill); }
.news-cat:hover { color: var(--c-white); background: var(--c-primary); }
.news-views { margin-left: auto; }
.news-title { margin: 0 0 var(--sp-2); font-size: 18px; line-height: 1.45; }
.news-title a { display: -webkit-box; overflow: hidden; color: var(--c-text); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-title a:hover { color: var(--c-primary); }
.news-desc { display: -webkit-box; overflow: hidden; margin: 0 0 var(--sp-4); font-size: 14px; line-height: 1.8; color: var(--c-text-sub); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-more { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--c-primary); }
.news-more:hover { color: var(--c-primary-dark); letter-spacing: .02em; }

/* --------------------------------------------------------------------------
   08 分页（由 pagination() 助手生成）
   -------------------------------------------------------------------------- */
.pagination { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin-top: var(--sp-7); padding-top: var(--sp-6); border-top: 1px solid var(--c-border); }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 12px; font-size: 14px; font-weight: 600; color: var(--c-text-sub); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-sm); transition: all var(--t-fast); }
a.page-link:hover { color: var(--c-primary); background: var(--c-primary-light); border-color: var(--c-primary); }
.page-link.active { color: var(--c-white); background: var(--c-primary); border-color: var(--c-primary); box-shadow: 0 4px 12px rgba(24, 103, 210, .26); cursor: default; }
.page-link.disabled { color: var(--c-text-light); background: var(--c-bg-soft); border-color: var(--c-border); cursor: not-allowed; opacity: .75; }
.page-prev, .page-next { padding: 0 16px; }
.page-dots { display: inline-flex; align-items: center; justify-content: center; min-width: 24px; height: 38px; color: var(--c-text-light); letter-spacing: 2px; }
.page-total { margin-left: auto; font-size: 13px; color: var(--c-text-sub); }

/* --------------------------------------------------------------------------
   09 内页头部与面包屑
   -------------------------------------------------------------------------- */
.page-hero { position: relative; overflow: hidden; padding: 68px 0 56px; background: linear-gradient(120deg, #0f2a4d 0%, #123f74 48%, #1867d2 100%); }
.page-hero-bg { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(circle at 82% 20%, rgba(255, 255, 255, .16), transparent 45%), radial-gradient(circle at 12% 88%, rgba(13, 138, 79, .28), transparent 42%); }
.page-hero-inner { position: relative; z-index: 2; }
.page-hero-title { margin: 0; font-size: 34px; line-height: 1.3; color: var(--c-white); text-shadow: 0 2px 16px rgba(0, 0, 0, .25); }
.page-hero-sub { max-width: 760px; margin: var(--sp-3) 0 0; font-size: 15px; line-height: 1.8; color: rgba(255, 255, 255, .82); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: var(--sp-5); font-size: 13px; }
.breadcrumb-item { color: rgba(255, 255, 255, .78); }
a.breadcrumb-item:hover { color: var(--c-white); text-decoration: underline; }
.breadcrumb-item.current { font-weight: 600; color: var(--c-white); }
.breadcrumb-sep { color: rgba(255, 255, 255, .45); }

/* --------------------------------------------------------------------------
   10 列表筛选栏
   -------------------------------------------------------------------------- */
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-6); padding: var(--sp-4) var(--sp-5); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.filter-bar-center { justify-content: center; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.filter-tab { padding: 7px 16px; font-size: 14px; font-weight: 600; color: var(--c-text-sub); background: var(--c-bg-soft); border: 1px solid transparent; border-radius: var(--radius-pill); transition: all var(--t-fast); }
.filter-tab:hover { color: var(--c-primary); background: var(--c-primary-light); }
.filter-tab.active { color: var(--c-white); background: var(--c-primary); box-shadow: 0 4px 12px rgba(24, 103, 210, .24); }
.filter-tools { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-5); }
.filter-sort { display: flex; align-items: center; gap: var(--sp-3); }
.sort-item { font-size: 14px; color: var(--c-text-sub); }
.sort-item:hover { color: var(--c-primary); }
.sort-item.active { font-weight: 700; color: var(--c-primary); }
.filter-search { display: flex; align-items: center; gap: var(--sp-2); }
.filter-search .form-control { width: 190px; }

/* --------------------------------------------------------------------------
   11 侧边栏组件
   -------------------------------------------------------------------------- */
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: var(--sp-5); }
.widget { padding: var(--sp-5); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.widget-title { position: relative; margin: 0 0 var(--sp-4); padding-bottom: var(--sp-3); font-size: 17px; border-bottom: 1px solid var(--c-border); }
.widget-title::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 42px; height: 2px; background: var(--c-primary); }
.widget-list { margin: 0; padding: 0; list-style: none; }
.widget-item { list-style: none; border-bottom: 1px dashed var(--c-border); }
.widget-item:last-child { border-bottom: 0; }
.widget-item > a { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); padding: 10px 12px; font-size: 14px; color: var(--c-text-sub); border-radius: var(--radius-sm); transition: all var(--t-fast); }
.widget-item > a:hover { padding-left: 16px; color: var(--c-primary); background: var(--c-primary-light); }
.widget-item.active > a { font-weight: 700; color: var(--c-primary); background: var(--c-primary-light); }
.widget-count { flex: 0 0 auto; min-width: 24px; padding: 0 7px; font-size: 12px; line-height: 18px; text-align: center; color: var(--c-text-sub); background: var(--c-bg-soft); border-radius: var(--radius-pill); }
.widget-item.active .widget-count { color: var(--c-white); background: var(--c-primary); }
.widget-news { margin: 0; padding: 0; list-style: none; }
.widget-news-item { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--c-border); }
.widget-news-item:last-child { border-bottom: 0; }
.widget-news-index { flex: 0 0 22px; height: 22px; margin-top: 1px; font-size: 12px; font-weight: 700; line-height: 22px; text-align: center; color: var(--c-text-sub); background: var(--c-bg-soft); border-radius: var(--radius-xs); }
.widget-news-item:nth-child(1) .widget-news-index { color: var(--c-white); background: var(--c-danger); }
.widget-news-item:nth-child(2) .widget-news-index { color: var(--c-white); background: var(--c-warning); }
.widget-news-item:nth-child(3) .widget-news-index { color: var(--c-white); background: var(--c-primary); }
.widget-news-title { flex: 1 1 auto; min-width: 0; font-size: 14px; line-height: 1.65; color: var(--c-text); }
.widget-news-title:hover { color: var(--c-primary); }
.widget-products { display: grid; gap: var(--sp-3); margin: 0; padding: 0; list-style: none; }
.widget-product-item { list-style: none; }
.widget-product-link { display: flex; align-items: center; gap: var(--sp-3); padding: 6px; border-radius: var(--radius-sm); transition: background-color var(--t-fast); }
.widget-product-link:hover { background: var(--c-bg-soft); }
.widget-product-img { flex: 0 0 62px; width: 62px; height: 62px; background: var(--c-bg-soft); border-radius: var(--radius-sm); }
.widget-product-name { flex: 1 1 auto; min-width: 0; font-size: 14px; line-height: 1.6; color: var(--c-text); }
.widget-product-link:hover .widget-product-name { color: var(--c-primary); }
.widget-contact { background: linear-gradient(160deg, #f2f7ff, var(--c-white) 70%); border-color: rgba(24, 103, 210, .2); }
.widget-contact-tip { margin: 0 0 var(--sp-4); font-size: 14px; line-height: 1.8; color: var(--c-text-sub); }
.widget-contact-list { margin: 0 0 var(--sp-5); padding: 0; list-style: none; }
.widget-contact-list li { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); padding: 8px 0; font-size: 14px; border-bottom: 1px dashed var(--c-border); }
.widget-contact-list li:last-child { border-bottom: 0; }
.widget-contact-list span { flex: 0 0 auto; color: var(--c-text-sub); }
.widget-contact-list strong { min-width: 0; font-weight: 600; color: var(--c-primary); word-break: break-all; }

/* --------------------------------------------------------------------------
   12 详情页
   -------------------------------------------------------------------------- */
.article-detail, .page-detail { padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.article-header { padding-bottom: var(--sp-5); margin-bottom: var(--sp-6); border-bottom: 1px solid var(--c-border); }
.article-title { margin: 0 0 var(--sp-4); font-size: 28px; line-height: 1.4; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-5); font-size: 13px; color: var(--c-text-light); }
.article-meta-item { display: inline-flex; align-items: center; gap: 4px; color: var(--c-text-light); }
a.article-meta-item { padding: 2px 10px; color: var(--c-primary); background: var(--c-primary-light); border-radius: var(--radius-pill); }
.article-summary { margin: var(--sp-5) 0 0; padding: var(--sp-4) var(--sp-5); font-size: 14px; line-height: 1.85; color: var(--c-text-sub); background: var(--c-bg-soft); border-left: 3px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; }
.article-cover, .page-cover { margin-bottom: var(--sp-6); overflow: hidden; background: var(--c-bg-soft); border-radius: var(--radius-lg); }
.article-cover img, .page-cover img { display: block; width: 100%; max-height: 460px; }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--c-border); }
.article-tags-label { margin-right: var(--sp-2); font-size: 14px; color: var(--c-text-sub); }
.article-source { margin: var(--sp-4) 0 0; font-size: 13px; color: var(--c-text-light); }
.article-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-5); margin-top: var(--sp-5); }
.article-nav-item { padding: var(--sp-4) var(--sp-5); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-md); transition: border-color var(--t), box-shadow var(--t); }
.article-nav-item:hover { border-color: rgba(24, 103, 210, .35); box-shadow: var(--shadow-sm); }
.article-nav-label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--c-text-light); }
.article-nav-link { display: -webkit-box; overflow: hidden; font-size: 15px; font-weight: 600; color: var(--c-text); -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
a.article-nav-link:hover { color: var(--c-primary); }
.article-nav-link.disabled { font-weight: 400; color: var(--c-text-light); cursor: not-allowed; }
.related-block { margin-top: var(--sp-6); padding: var(--sp-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.related-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3) var(--sp-6); margin: 0; padding: 0; list-style: none; }
.related-item { list-style: none; border-bottom: 1px dashed var(--c-border); }
.related-link { display: flex; align-items: center; gap: var(--sp-4); padding: 10px 0; }
.related-date { flex: 0 0 auto; font-size: 13px; color: var(--c-text-light); }
.related-title { flex: 1 1 auto; min-width: 0; overflow: hidden; font-size: 14px; color: var(--c-text); white-space: nowrap; text-overflow: ellipsis; }
.related-link:hover .related-title { color: var(--c-primary); }
/* 产品详情 */
.product-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--sp-8); padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.product-gallery { min-width: 0; }
.gallery-main { overflow: hidden; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-lg); aspect-ratio: 4 / 3; }
.gallery-main img { display: block; width: 100%; height: 100%; transition: transform var(--t-slow); }
.gallery-main:hover img { transform: scale(1.04); }
.gallery-thumbs { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-4); }
.gallery-thumb { width: 82px; height: 82px; padding: 0; overflow: hidden; background: var(--c-bg-soft); border: 2px solid var(--c-border); border-radius: var(--radius-md); transition: border-color var(--t-fast), transform var(--t-fast); }
.gallery-thumb img { display: block; width: 100%; height: 100%; }
.gallery-thumb:hover { border-color: var(--c-primary); transform: translateY(-2px); }
.gallery-thumb.active { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft); }
.product-info { min-width: 0; }
.product-detail-title { margin: 0 0 var(--sp-3); font-size: 26px; line-height: 1.4; }
.product-detail-summary { margin: 0 0 var(--sp-5); font-size: 15px; line-height: 1.85; color: var(--c-text-sub); }
.product-attrs { margin: 0 0 var(--sp-6); padding: 0; list-style: none; border-top: 1px solid var(--c-border); }
.product-attr { display: flex; align-items: baseline; gap: var(--sp-4); padding: 12px 0; border-bottom: 1px dashed var(--c-border); }
.product-attr-label { flex: 0 0 84px; font-size: 14px; color: var(--c-text-sub); }
.product-attr-value { flex: 1 1 auto; min-width: 0; font-size: 15px; font-weight: 600; color: var(--c-text); word-break: break-word; }
.product-attr-price { font-size: 20px; color: var(--c-danger); }
.product-actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.detail-block { margin-top: var(--sp-6); padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.param-table { width: 100%; overflow: hidden; font-size: 14px; border: 1px solid var(--c-border); border-radius: var(--radius-md); }
.param-row:nth-child(odd) { background: var(--c-bg-soft); }
.param-name, .param-value { padding: 12px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--c-border); border-right: 1px solid var(--c-border); }
.param-name { width: 200px; font-weight: 600; color: var(--c-text); background: rgba(245, 247, 251, .7); }
.param-value { color: var(--c-text-sub); }
.param-table tr:last-child .param-name, .param-table tr:last-child .param-value { border-bottom: 0; }
.param-name:last-child, .param-value:last-child { border-right: 0; }
/* 案例详情 */
.case-detail { padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.case-meta-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--sp-3) var(--sp-6); margin: 0 0 var(--sp-6); padding: var(--sp-5); list-style: none; background: var(--c-bg-soft); border-radius: var(--radius-md); }
.case-meta-item { display: flex; align-items: baseline; gap: var(--sp-3); font-size: 14px; list-style: none; }
.case-meta-label { flex: 0 0 auto; color: var(--c-text-sub); }
.case-meta-label::after { content: "："; }
.case-meta-value { flex: 1 1 auto; min-width: 0; font-weight: 600; color: var(--c-text); word-break: break-word; }
.case-summary { margin: 0 0 var(--sp-6); padding: var(--sp-4) var(--sp-5); font-size: 15px; line-height: 1.85; color: var(--c-text-sub); background: var(--c-primary-light); border-left: 3px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; }
.case-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--sp-5); margin: 0 0 var(--sp-6); }
.case-figure { margin: 0; overflow: hidden; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-md); aspect-ratio: 4 / 3; }
.case-figure img { display: block; width: 100%; height: 100%; transition: transform var(--t-slow); }
.case-figure:hover img { transform: scale(1.05); }
/* 招聘 */
.job-intro { padding: var(--sp-6); margin-bottom: var(--sp-7); background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-lg); }
.job-list { display: grid; gap: var(--sp-4); margin: 0 0 var(--sp-5); padding: 0; list-style: none; }
.job-item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-5); padding: var(--sp-5) var(--sp-6); list-style: none; background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.job-item:hover { transform: translateY(-4px); border-color: rgba(24, 103, 210, .32); box-shadow: var(--shadow); }
.job-main { flex: 1 1 320px; min-width: 0; }
.job-title { margin: 0 0 var(--sp-2); font-size: 18px; }
.job-title a { color: var(--c-text); }
.job-title a:hover { color: var(--c-primary); }
.job-meta { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.job-tag { padding: 3px 12px; font-size: 13px; color: var(--c-text-sub); background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-pill); }
.job-side { display: flex; align-items: center; gap: var(--sp-5); flex: 0 0 auto; }
.job-salary { font-size: 17px; font-weight: 700; color: var(--c-accent); }
.job-detail { padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); }
.job-apply { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); margin-top: var(--sp-6); padding-top: var(--sp-6); border-top: 1px solid var(--c-border); }
.job-apply-tip { flex: 1 1 260px; margin: 0; font-size: 14px; color: var(--c-text-sub); }
/* 搜索结果 */
.search-box { display: flex; gap: var(--sp-3); max-width: 620px; margin: 0 auto var(--sp-7); }
.search-input { flex: 1 1 auto; min-width: 0; }
.search-count { margin-bottom: var(--sp-6); font-size: 14px; color: var(--c-text-sub); text-align: center; }
.result-group { margin-bottom: var(--sp-9); }
.result-group:last-child { margin-bottom: 0; }
.result-group-title { margin: 0 0 var(--sp-5); padding-left: 14px; font-size: 20px; line-height: 1.4; border-left: 4px solid var(--c-primary); }

/* --------------------------------------------------------------------------
   13 富文本正文
   -------------------------------------------------------------------------- */
.article-content { font-size: 16px; line-height: 1.9; color: var(--c-text); overflow-wrap: break-word; word-wrap: break-word; }
.article-content > *:first-child { margin-top: 0; }
.article-content > *:last-child { margin-bottom: 0; }
.article-content p { margin: 0 0 18px; }
.article-content h1, .article-content h2, .article-content h3, .article-content h4 { margin: 32px 0 14px; line-height: 1.45; color: var(--c-text); }
.article-content h1 { font-size: 24px; }
.article-content h2 { position: relative; padding-left: 14px; font-size: 21px; }
.article-content h2::before { content: ""; position: absolute; left: 0; top: .35em; bottom: .35em; width: 4px; border-radius: 2px; background: var(--c-primary); }
.article-content h3 { font-size: 18px; }
.article-content h4 { font-size: 16px; }
.article-content ul, .article-content ol { margin: 0 0 18px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content ul > li::marker { color: var(--c-primary); }
.article-content ol > li::marker { font-weight: 600; color: var(--c-primary); }
.article-content blockquote { margin: 22px 0; padding: 16px 20px; font-size: 15px; color: var(--c-text-sub); background: var(--c-bg-soft); border-left: 4px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content table { width: 100%; margin: 22px 0; font-size: 15px; border: 1px solid var(--c-border); }
.article-content thead th { background: var(--c-bg-soft); }
.article-content th, .article-content td { padding: 10px 14px; text-align: left; vertical-align: top; border: 1px solid var(--c-border); }
.article-content tbody tr:nth-child(even) { background: rgba(245, 247, 251, .6); }
.article-content img { display: block; max-width: 100%; height: auto; margin: 22px auto; border-radius: var(--radius-md); }
.article-content a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.article-content a:hover { color: var(--c-primary-dark); text-decoration-thickness: 2px; }
.article-content strong { font-weight: 700; color: var(--c-text); }
.article-content code { padding: 2px 6px; font-family: var(--font-mono); font-size: 14px; color: #b5316b; background: var(--c-bg-soft); border: 1px solid var(--c-border); border-radius: var(--radius-xs); }
.article-content pre { margin: 22px 0; padding: 18px 20px; overflow-x: auto; font-family: var(--font-mono); font-size: 14px; line-height: 1.7; color: #e6edf5; background: #1b2431; border-radius: var(--radius-md); }
.article-content pre code { padding: 0; color: inherit; background: transparent; border: 0; }
.article-content hr { margin: 30px 0; border: 0; border-top: 1px solid var(--c-border); }
.article-content iframe, .article-content video { max-width: 100%; border-radius: var(--radius-md); }
.case-content { margin-top: var(--sp-4); }

/* --------------------------------------------------------------------------
   14 表单与留言
   -------------------------------------------------------------------------- */
.message-form-wrap { padding: var(--sp-7); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.message-form-head { margin-bottom: var(--sp-6); }
.message-form-title { margin: 0 0 6px; font-size: 22px; }
.message-form-tip { margin: 0; font-size: 14px; line-height: 1.8; color: var(--c-text-sub); }
.message-form { margin: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--sp-5); }
.form-item { margin-bottom: var(--sp-5); }
.form-label { display: block; margin-bottom: 7px; font-size: 14px; font-weight: 600; color: var(--c-text); }
.form-required { color: var(--c-danger); }
.form-control { display: block; width: 100%; padding: 11px 14px; font-size: 14px; line-height: 1.6; color: var(--c-text); background: var(--c-white); border: 1px solid var(--c-border-dark); border-radius: var(--radius); outline: none; transition: border-color var(--t-fast), box-shadow var(--t-fast); }
.form-control::placeholder { color: var(--c-text-light); }
.form-control:hover { border-color: #c2cddc; }
.form-control:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft); }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-item-captcha .captcha-row { display: flex; align-items: center; gap: var(--sp-4); }
.captcha-row .form-control { flex: 1 1 auto; min-width: 0; max-width: 220px; }
.captcha-image { display: block; width: 130px; height: 46px; object-fit: cover; background: var(--c-bg-soft); border: 1px solid var(--c-border-dark); border-radius: var(--radius); cursor: pointer; transition: border-color var(--t-fast), opacity var(--t-fast); }
.captcha-image:hover { border-color: var(--c-primary); opacity: .88; }
.captcha-math { display: inline-flex; align-items: center; justify-content: center; min-width: 130px; height: 46px; padding: 0 14px; font-size: 17px; font-weight: 700; letter-spacing: .04em; color: var(--c-primary); background: var(--c-primary-light); border: 1px dashed rgba(24, 103, 210, .45); border-radius: var(--radius); user-select: none; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); margin-top: var(--sp-2); }
.form-tip { font-size: 13px; color: var(--c-text-light); }
.form-message { margin: var(--sp-4) 0 0; padding: 11px 16px; font-size: 14px; line-height: 1.7; border: 1px solid transparent; border-radius: var(--radius); }
.form-message.is-success { color: var(--c-accent-dark); background: var(--c-accent-light); border-color: rgba(13, 138, 79, .3); }
.form-message.is-error { color: var(--c-danger); background: var(--c-danger-light); border-color: rgba(214, 69, 69, .3); }

/* --------------------------------------------------------------------------
   15 页脚
   -------------------------------------------------------------------------- */
.site-footer { margin-top: var(--sp-10); font-size: 14px; color: rgba(255, 255, 255, .72); background: var(--c-bg-dark); }
.footer-main { padding: var(--sp-9) 0 var(--sp-8); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: var(--sp-8); }
.footer-col { min-width: 0; }
.footer-logo { margin-bottom: var(--sp-4); }
.footer-logo img { max-height: 42px; width: auto; object-fit: contain; }
.footer-logo strong { font-size: 20px; font-weight: 700; color: var(--c-white); }
.footer-desc { margin: 0 0 var(--sp-5); font-size: 14px; line-height: 1.85; color: rgba(255, 255, 255, .6); }
.footer-contact { margin: 0; padding: 0; list-style: none; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 10px; font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, .68); list-style: none; word-break: break-word; }
.footer-label { flex: 0 0 auto; color: rgba(255, 255, 255, .42); }
.footer-label::after { content: "："; }
.footer-nav, .footer-service { min-width: 0; }
.footer-title { margin: 0 0 var(--sp-5); font-size: 16px; font-weight: 700; color: var(--c-white); }
.footer-list { margin: 0; padding: 0; list-style: none; }
.footer-list li { margin-bottom: 11px; list-style: none; }
.footer-list a { display: inline-block; font-size: 14px; color: rgba(255, 255, 255, .68); transition: color var(--t-fast), transform var(--t-fast); }
.footer-list a:hover { color: var(--c-white); transform: translateX(3px); }
.footer-qr { min-width: 0; }
.qr-box { display: inline-block; padding: 8px; margin-bottom: var(--sp-3); line-height: 0; background: var(--c-white); border-radius: var(--radius-md); }
.qr-box img { display: block; width: 120px; height: 120px; object-fit: contain; }
.qr-tip { margin: 0 0 6px; font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, .6); word-break: break-word; }
.footer-links-bar { padding: var(--sp-4) 0; font-size: 13px; background: rgba(255, 255, 255, .04); border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-links-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 6px var(--sp-5); line-height: 2; }
.footer-links-title { color: rgba(255, 255, 255, .45); }
.footer-links-inner a { color: rgba(255, 255, 255, .6); }
.footer-links-inner a:hover { color: var(--c-white); text-decoration: underline; }
.footer-bottom { padding: var(--sp-4) 0; font-size: 13px; color: rgba(255, 255, 255, .5); border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-bottom-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sp-3) var(--sp-5); }
.copyright { margin: 0; }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-4); margin: 0; }
.footer-meta a, .footer-meta span { color: rgba(255, 255, 255, .5); }
.footer-meta a:hover { color: var(--c-white); }

/* --------------------------------------------------------------------------
   16 侧边工具条 / 返回顶部
   -------------------------------------------------------------------------- */
.side-tools { position: fixed; right: 18px; bottom: 84px; z-index: 800; display: flex; flex-direction: column; gap: 10px; opacity: .6; transition: opacity var(--t); }
.side-tools:hover, .side-tools:focus-within { opacity: 1; }
.side-tool { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; color: var(--c-text-sub); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: all var(--t); }
.side-tool:hover { color: var(--c-white); background: var(--c-primary); border-color: var(--c-primary); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(24, 103, 210, .3); }
.side-tool .icon { width: 20px; height: 20px; }
/* 未滚动（未加 visible）时隐藏返回顶部 */
.side-tool-top { opacity: 0; visibility: hidden; transform: translateY(10px); pointer-events: none; transition: opacity var(--t), transform var(--t), visibility var(--t), background-color var(--t), color var(--t); }
.side-tools.visible .side-tool-top { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }

/* --------------------------------------------------------------------------
   17 错误页（404 / 403 / 500 / 维护中，独立渲染）
   -------------------------------------------------------------------------- */
.error-page { display: flex; align-items: center; min-height: 70vh; padding: var(--sp-10) 0; background: var(--c-bg-soft); }
.error-inner { max-width: 640px; text-align: center; }
.error-code { margin: 0; font-family: var(--font-mono); font-size: 96px; font-weight: 800; line-height: 1; letter-spacing: -.02em; color: var(--c-primary); background: linear-gradient(135deg, var(--c-primary), #2f8ae0 60%, var(--c-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.error-title { margin: var(--sp-5) 0 var(--sp-3); font-size: 26px; }
.error-tip { margin: 0 0 var(--sp-4); font-size: 15px; line-height: 1.85; color: var(--c-text-sub); }
.error-uri { display: inline-block; max-width: 100%; margin: 0 0 var(--sp-5); padding: 6px 14px; overflow: hidden; font-family: var(--font-mono); font-size: 13px; color: var(--c-text-sub); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius-pill); text-overflow: ellipsis; white-space: nowrap; }
.error-search { max-width: 480px; margin: 0 auto var(--sp-6); }
.error-detail { margin: 0 0 var(--sp-6); padding: 16px; overflow-x: auto; font-family: var(--font-mono); font-size: 13px; line-height: 1.7; color: #e6edf5; text-align: left; background: #1b2431; border-radius: var(--radius-md); white-space: pre-wrap; word-break: break-word; }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--sp-4); }

/* --------------------------------------------------------------------------
   18 视口入场动画（JS 添加 .in-view）
   -------------------------------------------------------------------------- */
.feature-item, .product-card, .case-card, .news-item, .stat-item { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease, box-shadow var(--t), border-color var(--t); }
.feature-item.in-view, .product-card.in-view, .case-card.in-view, .news-item.in-view, .stat-item.in-view { opacity: 1; transform: translateY(0); }
.feature-item.in-view:hover, .product-card.in-view:hover, .case-card.in-view:hover, .news-item.in-view:hover { transform: translateY(-6px); }

/* --------------------------------------------------------------------------
   19 响应式：1200px
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    :root { --section-y: 68px; --container-pad: 18px; }
    .hero-title { font-size: 40px; }
    .section-title { font-size: 30px; }
    .news-media { flex-basis: 190px; }
    .grid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: var(--sp-7); }
    .footer-qr { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--sp-6); }
    .footer-qr .footer-title { display: none; }
    .map-box iframe, .map-box img { min-height: 240px; }
    .about-grid { gap: var(--sp-8); }
}

/* --------------------------------------------------------------------------
   19 响应式：992px（导航折叠为抽屉）
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    :root { --section-y: 60px; --header-h: 64px; }
    .nav-toggle { display: flex; order: 3; margin-left: auto; }
    .logo { order: 1; }
    .header-search { order: 2; margin-left: var(--sp-3); }
    .header-search-input { width: 130px; }
    .main-nav { position: fixed; top: 0; left: 0; bottom: 0; z-index: 1000; width: 300px; max-width: 84vw; padding: var(--sp-6) var(--sp-5) var(--sp-8); overflow-y: auto; background: var(--c-white); box-shadow: 4px 0 30px rgba(37, 48, 63, .18); transform: translateX(-105%); transition: transform var(--t-slow); }
    .main-nav.open { transform: translateX(0); }
    .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
    .nav-item { border-bottom: 1px solid var(--c-border); }
    .nav-item:last-child { border-bottom: 0; }
    .nav-link { display: flex; justify-content: space-between; width: 100%; padding: 14px 6px; font-size: 16px; border-radius: 0; }
    .nav-item:hover > .nav-link, .nav-item.active > .nav-link { background: transparent; }
    .nav-item.has-children > .nav-link .icon-caret { transition: transform var(--t); }
    .nav-item.has-children.open > .nav-link .icon-caret { transform: rotate(180deg); }
    .nav-sub { position: static; min-width: 0; max-height: 0; padding: 0; overflow: hidden; opacity: 1; visibility: visible; transform: none; border: 0; border-radius: 0; box-shadow: none; transition: max-height var(--t-slow), opacity var(--t); }
    .nav-item.has-children:hover > .nav-sub { transform: none; }
    .nav-item.open > .nav-sub { max-height: 640px; opacity: 1; }
    .nav-sub-link { margin-bottom: 4px; padding: 11px 16px; font-size: 14px; white-space: normal; background: var(--c-bg-soft); border-radius: var(--radius-sm); }
    .nav-mobile-extra { display: block; margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--c-border); }
    .layout-with-sidebar { grid-template-columns: minmax(0, 1fr); gap: var(--sp-7); }
    .sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .about-grid, .contact-grid { grid-template-columns: minmax(0, 1fr); gap: var(--sp-7); }
    .about-media > img { height: 340px; }
    .news-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .product-detail { grid-template-columns: minmax(0, 1fr); gap: var(--sp-6); }
    .related-list { grid-template-columns: minmax(0, 1fr); }
    .hero-slider { height: 460px; }
    .hero-title { font-size: 34px; }
    .section-title { font-size: 28px; }
    .page-hero { padding: 54px 0 44px; }
    .page-hero-title { font-size: 28px; }
    .article-detail, .page-detail, .case-detail, .product-detail, .job-detail, .detail-block, .message-form-wrap, .widget { padding: var(--sp-6); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-about { grid-column: 1 / -1; }
    .footer-qr { display: block; }
    .footer-qr .footer-title { display: block; }
}

/* --------------------------------------------------------------------------
   19 响应式：768px
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root { --section-y: 46px; --container-pad: 16px; }
    body, .site-body { font-size: 14px; }
    .section-title { font-size: 24px; }
    .section-head { flex-direction: column; align-items: flex-start; gap: var(--sp-3); margin-bottom: var(--sp-6); }
    .section-more { align-self: flex-start; }
    .topbar-slogan { display: none; }
    .topbar-inner { justify-content: center; }
    .lang-switch { padding: 0; border: 0; }
    .header-inner { gap: var(--sp-3); }
    .logo-text strong { font-size: 17px; }
    .logo-text em { display: none; }
    .header-search-input { width: 96px; padding-left: 14px; }
    .hero-slider { height: 380px; }
    .hero-title { font-size: 26px; }
    .hero-sub { font-size: 15px; }
    .hero-actions .btn { padding: 10px 20px; font-size: 14px; }
    .hero-nav { bottom: 16px; gap: var(--sp-4); }
    .hero-arrow { width: 38px; height: 38px; font-size: 20px; }
    .feature-grid, .grid-2, .grid-3, .grid-4, .news-columns, .job-strip, .article-nav, .sidebar { grid-template-columns: minmax(0, 1fr); }
    .news-item { gap: var(--sp-4); padding: var(--sp-4); }
    .news-media { flex: 0 0 130px; aspect-ratio: 1 / 1; }
    .news-columns .news-media { flex: 0 0 auto; width: 100%; aspect-ratio: 4 / 3; }
    .news-title { font-size: 16px; }
    .news-desc { display: none; }
    .news-views { margin-left: 0; }
    .case-overlay { opacity: 1; background: linear-gradient(180deg, rgba(10, 20, 35, 0) 40%, rgba(10, 20, 35, .82) 100%); }
    .case-gallery { grid-template-columns: minmax(0, 1fr); }
    .about-grid { gap: var(--sp-6); }
    .about-media > img { height: 260px; }
    .about-stats { left: 12px; right: 12px; }
    .stat-item { padding: var(--sp-4) var(--sp-2); }
    .stat-num { font-size: 20px; }
    .stat-label { font-size: 12px; }
    .mid-banner-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-5); }
    .mid-banner-title { font-size: 22px; }
    .job-strip-meta { display: none; }
    .job-item { flex-direction: column; align-items: flex-start; gap: var(--sp-4); padding: var(--sp-5); }
    .job-side { width: 100%; justify-content: space-between; }
    .filter-bar { flex-direction: column; align-items: stretch; padding: var(--sp-4); }
    .filter-tools { flex-direction: column; align-items: stretch; gap: var(--sp-3); }
    .filter-sort { flex-wrap: wrap; }
    .filter-search .form-control { width: 100%; }
    .form-grid { grid-template-columns: minmax(0, 1fr); }
    .captcha-row .form-control { max-width: none; }
    .article-detail, .page-detail, .case-detail, .product-detail, .job-detail, .detail-block, .message-form-wrap, .widget, .related-block { padding: var(--sp-5); }
    .article-title { font-size: 21px; }
    .product-detail-title { font-size: 20px; }
    .article-content { font-size: 15px; line-height: 1.85; }
    .article-content h2 { font-size: 18px; }
    .article-content h3 { font-size: 16px; }
    .article-content table { display: block; overflow-x: auto; white-space: nowrap; }
    .param-name { width: 120px; padding: 10px 12px; }
    .param-value { padding: 10px 12px; }
    .gallery-thumb { width: 68px; height: 68px; }
    .case-meta-list { grid-template-columns: minmax(0, 1fr); padding: var(--sp-4); }
    .search-box { flex-direction: column; }
    .search-box .btn { width: 100%; }
    .pagination { justify-content: center; }
    .page-total { width: 100%; margin: var(--sp-2) 0 0; text-align: center; }
    .page-prev, .page-next { padding: 0 12px; }
    .footer-grid { grid-template-columns: minmax(0, 1fr); gap: var(--sp-6); }
    .footer-main { padding: var(--sp-8) 0 var(--sp-6); }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .side-tools { right: 12px; bottom: 64px; }
    .side-tool { width: 42px; height: 42px; }
    .error-code { font-size: 68px; }
    .error-title { font-size: 21px; }
    .error-actions .btn { flex: 1 1 auto; }
}

/* --------------------------------------------------------------------------
   19 响应式：480px
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    :root { --section-y: 38px; --container-pad: 14px; }
    .section-title { font-size: 21px; }
    .header-search { display: none; }
    .logo-mark { width: 36px; height: 36px; font-size: 17px; }
    .logo-text strong { font-size: 16px; }
    .hero-slider { height: 380px; }
    .hero-title { font-size: 22px; }
    .hero-sub { font-size: 14px; line-height: 1.7; }
    .hero-actions { gap: var(--sp-3); }
    .hero-actions .btn { flex: 1 1 100%; }
    .hero-dot.active { width: 22px; }
    .feature-item { padding: var(--sp-5); }
    .feature-icon { width: 50px; height: 50px; margin-bottom: var(--sp-4); }
    .product-foot { flex-wrap: wrap; }
    .product-foot .btn { width: 100%; }
    .news-item { flex-direction: column; }
    .news-media { flex: 0 0 auto; width: 100%; aspect-ratio: 4 / 3; }
    .about-stats { position: static; left: auto; right: auto; bottom: auto; margin-top: var(--sp-4); }
    .about-media { padding-bottom: 0; }
    .contact-item { flex-direction: column; align-items: flex-start; gap: 2px; }
    .contact-label { flex-basis: auto; }
    .article-meta { gap: var(--sp-3); }
    .product-attr, .widget-contact-list li { flex-direction: column; align-items: flex-start; gap: 2px; }
    .product-attr-label { flex-basis: auto; }
    .product-actions .btn { width: 100%; }
    .gallery-thumb { width: 58px; height: 58px; }
    .page-link { min-width: 34px; height: 34px; padding: 0 9px; font-size: 13px; }
    .page-prev, .page-next { padding: 0 10px; }
    .error-code { font-size: 54px; }
    .error-actions { flex-direction: column; }
    .error-actions .btn { width: 100%; }
    .side-tools { right: 10px; bottom: 54px; }
    .side-tool { width: 38px; height: 38px; }
}

/* --------------------------------------------------------------------------
   20 减少动效偏好 / 打印
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
    .feature-item, .product-card, .case-card, .news-item, .stat-item { opacity: 1; transform: none; }
    .side-tool-top { transition: none; }
    .hero-slide, .side-tool-top, .main-nav, .nav-sub { transition: none; }
}

@media print {
    .site-header, .site-footer, .side-tools, .hero-slider, .mid-banner, .message-form-wrap, .pagination { display: none !important; }
    .article-content { font-size: 12pt; }
    .page-hero { padding: 20px 0; background: none; color: #000; }
    .page-hero-title, .page-hero-sub, .breadcrumb-item { color: #000; }
}