/* 奥一新源官网 · 2026-09 改版
   一套响应式样式同时服务电脑和手机（取代旧版 PC/WAP 两套模板和 jQuery/AOS 插件）。
   品牌色取自 logo：蓝 #2c57a3、绿 #4acc8e（绿色只做点缀，白底上做文字对比度不够）。 */

:root {
  --brand: #2c57a3;
  --brand-600: #244a8d;
  --brand-700: #1b3a72;
  --brand-50: #eef3fb;
  --accent: #4acc8e;
  --ink: #131a26;
  --text: #384152;
  --muted: #677084;
  --line: #e3e7ef;
  --soft: #f4f6fa;
  --dark: #0b1526;
  --dark-2: #122036;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(17, 32, 64, .08);
  --shadow-lg: 0 18px 48px rgba(17, 32, 64, .14);
  --header-h: 72px;
  --wrap: 1200px;
  --gutter: 24px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; height: auto; }
img { vertical-align: middle; border: 0; }
a { color: var(--brand); text-decoration: none; transition: color .2s; -webkit-tap-highlight-color: rgba(44, 87, 163, .12); }
a:hover { color: var(--brand-600); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; margin: 0 0 .5em; font-weight: 700; letter-spacing: .01em; text-wrap: balance; }
p, li, td { text-wrap: pretty; }
.desc, .sec-head p, .page-hero p, .cta p, .note { text-wrap: balance; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 200; padding: 8px 14px; background: var(--brand); color: #fff; border-radius: 6px; }
.skip:focus { top: 12px; color: #fff; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; line-height: 1; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.btn .ico { font-size: 18px; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(44, 87, 163, .28); }
.btn-primary:hover { background: var(--brand-600); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, .86); color: var(--brand-700); border-color: rgba(44, 87, 163, .25); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.btn-ghost:hover { background: #fff; color: var(--brand); border-color: var(--brand); }
.btn-line { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-line:hover { background: var(--brand); color: #fff; }
.btn-light { background: #fff; color: var(--brand-700); }
.btn-light:hover { background: var(--brand-50); color: var(--brand-700); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; }
.link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; min-height: 44px; }
.link-more .ico { transition: transform .2s; }
.t-sm { display: none; }
.nb { display: inline-block; }  /* 按分句换行，避免把「报价」这类词拆到两行 */
.link-more:hover .ico { transform: translateX(3px); }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(255, 255, 255, .96); border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s;
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .site-header { background: rgba(255, 255, 255, .85); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); }
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(17, 32, 64, .06); }
.site-header .wrap { display: flex; align-items: center; height: 100%; gap: 24px; }
.brand { display: flex; align-items: center; flex: none; min-height: 44px; }
.brand img { display: block; width: 182px; height: auto; }
.nav { margin-left: auto; }
.nav > ul { display: flex; list-style: none; gap: 4px; }
.nav li { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px; height: var(--header-h); padding: 0 16px;
  color: var(--ink); font-size: 16px; position: relative;
}
.nav-link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 16px; height: 2px; border-radius: 2px;
  background: var(--brand); transform: scaleX(0); transition: transform .25s var(--ease);
}
/* 当前栏目：body[data-tcode] 与 li[data-code] 相等即高亮（导航写死，不走模板 if） */
.nav-link:hover, .page-home .nav-home > .nav-link,
body[data-tcode="5"] .nav [data-code="5"] > .nav-link, body[data-tcode="12"] .nav [data-code="12"] > .nav-link,
body[data-tcode="14"] .nav [data-code="14"] > .nav-link, body[data-tcode="1"] .nav [data-code="1"] > .nav-link,
body[data-tcode="37"] .nav [data-code="37"] > .nav-link { color: var(--brand); }
.nav-link:hover::after, .page-home .nav-home > .nav-link::after,
body[data-tcode="5"] .nav [data-code="5"] > .nav-link::after, body[data-tcode="12"] .nav [data-code="12"] > .nav-link::after,
body[data-tcode="14"] .nav [data-code="14"] > .nav-link::after, body[data-tcode="1"] .nav [data-code="1"] > .nav-link::after,
body[data-tcode="37"] .nav [data-code="37"] > .nav-link::after { transform: scaleX(1); }
.nav-link .caret { width: 12px; height: 12px; stroke-width: 2.2; transition: transform .2s; }
.subnav {
  position: absolute; top: calc(var(--header-h) - 10px); left: 50%; min-width: 220px; padding: 8px;
  list-style: none; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: opacity .2s, transform .2s, visibility .2s;
}
.nav li:hover > .subnav, .nav li:focus-within > .subnav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav li:hover .caret, .nav li:focus-within .caret { transform: rotate(180deg); }
.subnav a { display: block; padding: 9px 14px; border-radius: 8px; color: var(--text); font-size: 15px; line-height: 1.5; white-space: nowrap; }
.subnav a:hover { background: var(--brand-50); color: var(--brand); }
.header-tel { display: flex; align-items: center; gap: 8px; flex: none; min-height: 44px; color: var(--brand-700); font-weight: 700; font-size: 16px; font-variant-numeric: tabular-nums; }
.header-tel .ico { font-size: 18px; color: var(--brand); }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; color: var(--ink); border-radius: 8px; align-items: center; justify-content: center; }
.menu-btn .ico { font-size: 26px; }
.menu-btn .i-close { display: none; }
body.nav-open .menu-btn .i-menu { display: none; }
body.nav-open .menu-btn .i-close { display: block; }

/* ---------- 首页 · 首屏 ---------- */
.hero { position: relative; background: #e9f1f8; overflow: hidden; }
.hero-media { display: block; }
.hero-media img { display: block; width: 100%; height: auto; aspect-ratio: 1920 / 701; object-fit: cover; }
.hero-actions { position: absolute; left: 54.3%; top: 75%; display: flex; gap: 12px; }
.hero-caption { position: absolute; left: 54.4%; top: 12%; margin: 0; }

.intro { position: relative; z-index: 2; margin-top: -40px; }
.intro-card {
  display: grid; grid-template-columns: 1.15fr 2fr; gap: 40px; align-items: center;
  background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg); padding: 36px 44px;
}
.intro-card h1 { font-size: 26px; margin-bottom: 10px; }
.intro-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; list-style: none; }
.stat { text-align: center; padding: 6px 4px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: -8px; top: 18%; bottom: 18%; width: 1px; background: var(--line); }
.stat b { display: block; color: var(--brand); font-size: 36px; line-height: 1.15; font-weight: 800; letter-spacing: -.01em; font-family: "Helvetica Neue", Arial, sans-serif; }
.stat b small { font-size: 18px; margin-left: 2px; font-weight: 700; }
.stat b.zh { font-family: inherit; font-size: 26px; line-height: 1.6; }
.stat span { display: block; margin-top: 4px; font-size: 14px; color: var(--muted); }

/* ---------- 通用段落 ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--soft); }
.section.tight { padding: 72px 0; }
.sec-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.sec-head.left { margin-left: 0; text-align: left; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--brand); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--accent); }
.sec-head h2 { font-size: 34px; margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 16px; margin: 0; }
.sec-foot { margin-top: 40px; text-align: center; }

/* 产品卡片 */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  color: var(--text); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; color: var(--text); }
.product-card .pic { aspect-ratio: 532 / 333; background: linear-gradient(180deg, #dfe3e8, #f3f4f6); overflow: hidden; }
.product-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .pic img { transform: scale(1.04); }
.product-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card .tag { font-size: 13px; color: var(--brand); font-weight: 600; margin-bottom: 6px; }
.product-card h3 { font-size: 22px; margin-bottom: 8px; }
.product-card h3 small { font-size: 15px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.product-card p { font-size: 15px; color: var(--muted); line-height: 1.75; margin-bottom: 18px; }
.product-card .link-more { margin-top: auto; }

/* 解决方案 */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.split.rev { grid-template-columns: 1.25fr 1fr; }
.checklist { list-style: none; display: grid; gap: 14px; margin: 24px 0 32px; }
.checklist li { position: relative; padding-left: 30px; line-height: 1.7; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232c57a3' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center / 11px no-repeat;
}
.checklist b { color: var(--ink); }
.figure-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
.figure-card img { display: block; width: 100%; }
.zoomable { cursor: zoom-in; position: relative; display: block; }
.zoom-hint { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: rgba(19, 26, 38, .72); color: #fff; font-size: 13px; line-height: 1; pointer-events: none; }

/* 地图 */
.map-wrap { position: relative; max-width: 1040px; margin: 0 auto; }
.map-wrap img { display: block; width: 100%; }
.map-stats { display: flex; justify-content: center; gap: 56px; margin-top: 24px; list-style: none; }
.map-stats li { text-align: center; }
.map-stats b { display: block; font-size: 40px; line-height: 1.1; color: var(--brand); font-weight: 800; font-family: "Helvetica Neue", Arial, sans-serif; }
.map-stats b small { font-size: 18px; margin-left: 2px; }
.map-stats span { color: var(--muted); font-size: 14px; }

/* 资质证书横滑 */
.certs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px 20px; }
.certs::-webkit-scrollbar { height: 6px; }
.certs::-webkit-scrollbar-thumb { background: #cfd6e2; border-radius: 3px; }
.cert { scroll-snap-align: start; display: flex; flex-direction: column; color: var(--text); }
.cert .pic { aspect-ratio: 3 / 4; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: flex; align-items: center; justify-content: center; transition: box-shadow .3s, transform .3s; }
.cert .pic img { max-height: 100%; width: auto; object-fit: contain; }
.cert:hover .pic { box-shadow: var(--shadow); transform: translateY(-3px); }
.cert span { margin-top: 10px; font-size: 13px; line-height: 1.5; color: var(--muted); text-align: center; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* 行动号召 */
.cta { position: relative; overflow: hidden; background: linear-gradient(120deg, var(--brand-700), var(--brand) 60%, #3a6fc4); color: #fff; }
.cta::after { content: ""; position: absolute; right: -120px; top: -160px; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(74, 204, 142, .35), transparent 65%); }
.cta .wrap { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
.cta h2 { color: #fff; font-size: 30px; margin-bottom: 6px; }
.cta p { margin: 0; color: rgba(255, 255, 255, .8); }
.cta .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .tel-big { font-size: 20px; letter-spacing: .02em; font-variant-numeric: tabular-nums; }

/* ---------- 内页 ---------- */
.page-hero { position: relative; background: var(--dark); color: #fff; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; top: 0; right: 0; bottom: 0; left: 0; background: radial-gradient(900px 300px at 85% 0, rgba(44, 87, 163, .55), transparent 70%), radial-gradient(600px 240px at 0 100%, rgba(74, 204, 142, .18), transparent 70%); }
.page-hero .wrap { position: relative; padding-top: 56px; padding-bottom: 52px; }
.page-hero h1 { color: #fff; font-size: 36px; margin-bottom: 8px; }
.page-hero p { color: rgba(255, 255, 255, .72); margin: 0; max-width: 720px; }
.crumbs { font-size: 14px; color: rgba(255, 255, 255, .6); margin-bottom: 18px; }
.crumbs a { color: rgba(255, 255, 255, .82); text-decoration: underline; text-decoration-color: rgba(255, 255, 255, .35); text-underline-offset: 3px; }
.crumbs a:hover { color: #fff; }
.tabs { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: var(--header-h); z-index: 50; }
.tabs ul { display: flex; gap: 8px; list-style: none; overflow-x: auto; scrollbar-width: none; }
.tabs ul::-webkit-scrollbar { display: none; }
.tabs a { display: block; padding: 16px 18px; color: var(--text); white-space: nowrap; position: relative; font-size: 15px; }
.tabs a:hover { color: var(--brand); }
.tabs li.on a,
body[data-scode="48"] .tabs [data-code="48"] a, body[data-scode="47"] .tabs [data-code="47"] a,
body[data-scode="46"] .tabs [data-code="46"] a, body[data-scode="5"] .tabs [data-code="5"] a { color: var(--brand); font-weight: 600; }
.tabs li.on a::after,
body[data-scode="48"] .tabs [data-code="48"] a::after, body[data-scode="47"] .tabs [data-code="47"] a::after,
body[data-scode="46"] .tabs [data-code="46"] a::after, body[data-scode="5"] .tabs [data-code="5"] a::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -1px; height: 2px; background: var(--brand); border-radius: 2px; }

.article { max-width: 900px; margin: 0 auto; font-size: 16px; line-height: 1.9; color: var(--text); }
.article img { border-radius: 8px; }
.article h2 { font-size: 26px; margin-top: 1.6em; }
.article h3 { font-size: 20px; margin-top: 1.4em; }
.article ul, .article ol { padding-left: 1.4em; margin-bottom: 1em; }
.article p:last-child { margin-bottom: 0; }
.lead { font-size: 18px; line-height: 1.9; color: var(--text); }
.prose-wide { max-width: none; }
.page-body { padding: 72px 0 96px; }

/* 关于我们 */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 56px; }
.about-grid h2 { font-size: 34px; line-height: 1.2; font-family: "Helvetica Neue", Arial, sans-serif; }
.about-grid h2 small { display: block; margin-top: 10px; font-size: 16px; font-weight: 500; color: var(--muted); font-family: inherit; }
.about-block { padding: 80px 0; border-top: 1px solid var(--line); }
.about-block:first-child { border-top: 0; padding-top: 0; }
.big-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; list-style: none; }
.big-stats li { background: var(--soft); border-radius: 14px; padding: 32px 20px; text-align: center; }
.big-stats b { display: block; color: var(--brand); font-size: 44px; line-height: 1.2; font-weight: 800; font-family: "Helvetica Neue", Arial, sans-serif; }
.big-stats b.zh { font-family: inherit; font-size: 30px; line-height: 1.6; }
.big-stats b small { font-size: 20px; margin-left: 2px; }
.big-stats span { color: var(--muted); font-size: 15px; }
.mission { position: relative; border-radius: 16px; overflow: hidden; }
.mission img { display: block; width: 100%; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; }
.values li { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 30px 24px; transition: box-shadow .3s, transform .3s; }
.values li:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.values .v-ico { width: 48px; height: 48px; border-radius: 12px; background: var(--brand-50); color: var(--brand); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.values .v-ico .ico { font-size: 26px; }
.values h3 { font-size: 20px; margin-bottom: 2px; }
.values em { font-style: normal; font-size: 12px; letter-spacing: .12em; color: var(--muted); font-weight: 600; }

/* 招聘 */
.jobs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: start; }
.job { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.job > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 22px 26px; }
.job > summary::-webkit-details-marker { display: none; }
.job > summary h3 { margin: 0; font-size: 20px; }
.job > summary span { color: var(--muted); font-size: 14px; }
.job > summary .ico { font-size: 20px; color: var(--brand); transition: transform .25s; }
.job[open] > summary .ico { transform: rotate(180deg); }
.job .job-body { padding: 0 26px 24px; border-top: 1px solid var(--line); }
.job h4 { font-size: 15px; margin: 18px 0 8px; color: var(--ink); }
.job ol { padding-left: 1.3em; font-size: 15px; line-height: 1.85; }
.join-cta { margin-top: 40px; background: var(--soft); border-radius: 14px; padding: 32px; text-align: center; }
.join-cta a { font-size: 22px; font-weight: 700; }

/* ---------- 产品详情 ---------- */
.pd-hero { position: relative; color: #fff; text-align: center; background: var(--pd-mid, #2a2a2a); overflow: hidden; }
.pd-hero-top { background: linear-gradient(180deg, var(--pd-top, #111) 0, var(--pd-mid, #2a2a2a) 100%); }
.pd-hero-top .wrap { padding-top: 64px; padding-bottom: 4px; }
.pd-hero .kicker { font-size: 15px; color: rgba(255, 255, 255, .72); margin-bottom: 14px; letter-spacing: .06em; }
.pd-hero h1 { color: #fff; font-size: 56px; line-height: 1.1; margin-bottom: 10px; letter-spacing: .02em; font-family: "Helvetica Neue", Arial, sans-serif; }
.pd-hero h1 + p { font-size: 22px; color: #fff; font-weight: 600; margin-bottom: 26px; }
.pd-hero .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pd-hero .visual img { display: block; width: 100%; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 24%); mask-image: linear-gradient(to bottom, transparent 0, #000 24%); }
.pd-sec { padding: 96px 0 0; text-align: center; overflow: hidden; }
.pd-sec.pad-b { padding-bottom: 96px; }
.pd-sec h2 { font-size: 36px; margin-bottom: 18px; }
.pd-sec .desc { color: var(--muted); font-size: 16px; line-height: 2; margin: 0 auto; max-width: 760px; }
.pd-sec .visual { margin: 48px auto 0; }
.pd-sec .visual img { display: block; margin: 0 auto; }
.pd-sec.dark { background: #000; color: rgba(255, 255, 255, .78); }
.pd-sec.dark h2 { color: #fff; }
.pd-sec.dark .desc { color: rgba(255, 255, 255, .72); }
/* 灰底取 WebP 解码后的实际色值（原图 #f5f5f7 / #f5f5f5 压缩后偏 1 个色阶），再给图片加柔边，保证无接缝 */
.pd-sec.gray { background: #f6f5f8; }
.pd-sec.gray2 { background: #f6f6f6; }
.pd-sec.gray .visual img, .pd-sec.gray2 .visual img {
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 10%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%), linear-gradient(to bottom, transparent 0, #000 10%);
  mask-composite: intersect;
}
.pd-sec .highlight { margin-top: 26px; font-size: 15px; color: rgba(255, 255, 255, .8); }
.pd-sec .highlight b { font-size: 32px; color: #bcd4ff; margin: 0 6px; font-family: "Helvetica Neue", Arial, sans-serif; vertical-align: -3px; }
.pd-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; text-align: left; max-width: 1000px; margin: 0 auto; }
.pd-cols h2 { font-size: 30px; padding-bottom: 20px; border-bottom: 1px solid #d0d4da; margin-bottom: 22px; }
.pd-cols p, .pd-cols li { font-size: 15px; color: var(--muted); line-height: 2; }
.pd-cols ol { padding-left: 1.3em; }
.pd-chip { display: flex; align-items: center; gap: 16px; margin-top: 28px; font-weight: 700; color: var(--ink); font-size: 16px; }
.pd-chip i { width: 64px; height: 64px; border-radius: 50%; border: 1.5px solid var(--ink); display: flex; align-items: center; justify-content: center; flex: none; }
.pd-chip .ico { font-size: 28px; }
.pd-col-ico { width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--ink); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.pd-col-ico .ico { font-size: 22px; }
.pd-icons { display: flex; justify-content: center; gap: 12px 64px; flex-wrap: wrap; margin-top: 44px; list-style: none; }
.pd-icons li { display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 15px; color: var(--text); }
.pd-icons .ico { font-size: 40px; stroke-width: 1.4; color: var(--ink); }
.pd-sec.dark .pd-icons li { color: rgba(255, 255, 255, .8); }
.pd-sec.dark .pd-icons .ico { color: #dfe8f5; }
.protect { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; max-width: 1090px; margin: 56px auto 0; list-style: none; }
.protect li {
  grid-column: span 4; display: flex; align-items: center; gap: 18px; padding: 30px 32px; border-radius: 10px; text-align: left;
  background: linear-gradient(135deg, #1b1d21 60%, #1d2b44); color: #fff; font-size: 17px;
}
.protect li:nth-child(n+4) { grid-column: span 3; }
.protect .ico { font-size: 40px; stroke-width: 1.3; color: #fff; }
.award { display: grid; grid-template-columns: 1fr; background: #171717; border-radius: 28px; overflow: hidden; text-align: left; max-width: 1200px; margin: 0 auto; }
.award .txt { padding: 56px 60px 8px; }
.award .trophy { width: 58px; height: 58px; border-radius: 50%; border: 2px solid #c9d8f5; color: #c9d8f5; display: flex; align-items: center; justify-content: center; margin-bottom: 26px; }
.award .trophy .ico { font-size: 28px; }
.award h2 { color: #fff; font-size: 34px; }
.award p { color: rgba(255, 255, 255, .78); margin: 0 0 6px; font-size: 16px; }
.award img { display: block; width: 100%; }
.spec { padding: 96px 0; background: #f5f5f7; text-align: center; }
.spec h2 { font-size: 36px; margin-bottom: 10px; }
.spec .note { color: var(--muted); font-size: 14px; margin-bottom: 44px; }
.spec-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; max-width: 1100px; margin: 0 auto; }
.spec table { width: 100%; border-collapse: collapse; font-size: 15px; background: transparent; }
.spec th { background: #fff; border: 1px solid #b9bec6; padding: 14px 10px; font-weight: 700; color: var(--ink); }
.spec td { padding: 14px 10px; border-bottom: 1px solid #cfd3d9; color: var(--text); }
.spec td:first-child { width: 50%; }
.spec-cta { margin-top: 44px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* 产品对比表 */
.compare { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.compare table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 14px 18px; text-align: center; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--soft); color: var(--ink); font-size: 16px; }
.compare thead th a { color: var(--brand); }
.compare tbody th { text-align: left; font-weight: 500; color: var(--muted); white-space: nowrap; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare td.no { color: #b3b9c4; }
.compare-note { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* 列表（新闻/搜索） */
.list-items { display: grid; gap: 20px; }
.list-item { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); transition: box-shadow .3s; }
.list-item:hover { box-shadow: var(--shadow); color: var(--text); }
.list-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; background: var(--soft); }
.list-item h3 { font-size: 19px; margin-bottom: 8px; }
.list-item p { color: var(--muted); font-size: 15px; margin: 0 0 8px; }
.list-item time { font-size: 13px; color: var(--muted); }
.pagebar { margin-top: 36px; text-align: center; }
.pagebar a, .pagebar span { display: inline-block; min-width: 38px; height: 38px; line-height: 36px; padding: 0 12px; margin: 3px; border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-size: 14px; }
.pagebar .page-num-current, .pagebar a:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.pagebar .page-status { display: none; }
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 15px; }
.prev-next div:last-child { text-align: right; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 28px; display: flex; gap: 18px; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, .66); font-size: 14px; }
.foot-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-top: 64px; padding-bottom: 48px; }  /* 只写上下，左右边距留给 .wrap */
.foot-brand img { width: 170px; height: auto; display: block; margin-bottom: 18px; }
.foot-brand .slogan { color: #fff; font-size: 18px; margin-bottom: 20px; }
.qr { display: flex; align-items: center; gap: 14px; }
.qr img { width: 88px; height: 88px; border-radius: 8px; background: #fff; padding: 4px; }
.qr p { margin: 0; line-height: 1.7; }
.site-footer .foot-h { color: #fff; font-size: 16px; margin-bottom: 16px; }
.site-footer ul { list-style: none; display: grid; gap: 8px; }
.site-footer a { color: rgba(255, 255, 255, .66); }
.site-footer a:hover { color: #fff; }
.foot-tel { display: flex; align-items: center; gap: 8px; color: #fff; font-size: 24px; font-weight: 700; font-family: "Helvetica Neue", Arial, sans-serif; margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.foot-tel .ico { font-size: 22px; color: var(--accent); }
.foot-contact p { margin: 0 0 6px; display: flex; gap: 8px; line-height: 1.7; }
.foot-contact .ico { font-size: 16px; margin-top: 4px; color: rgba(255, 255, 255, .5); }
.foot-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; font-size: 13px; color: rgba(255, 255, 255, .58); }
.foot-bottom .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-bottom a { color: rgba(255, 255, 255, .66); }

/* 右侧悬浮（电脑） */
.dock { position: fixed; right: 20px; bottom: 96px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.dock-item { position: relative; }
.dock-btn {
  width: 50px; height: 50px; border-radius: 50%; border: 0; background: #fff; color: var(--brand);
  display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(17, 32, 64, .16); transition: background .2s, color .2s, transform .2s;
}
.dock-btn .ico { font-size: 22px; }
.dock-btn:hover, .dock-item:focus-within .dock-btn { background: var(--brand); color: #fff; }
.dock-pop {
  position: absolute; right: 62px; top: 50%; transform: translate(8px, -50%); opacity: 0; visibility: hidden;
  background: #fff; border-radius: 12px; box-shadow: var(--shadow-lg); padding: 14px 18px; white-space: nowrap; color: var(--ink);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.dock-pop::after { content: ""; position: absolute; right: -6px; top: 50%; width: 12px; height: 12px; background: #fff; transform: translateY(-50%) rotate(45deg); }
.dock-item:hover .dock-pop, .dock-item:focus-within .dock-pop { opacity: 1; visibility: visible; transform: translate(0, -50%); }
.dock-pop b { display: block; font-size: 20px; color: var(--brand-700); font-family: "Helvetica Neue", Arial, sans-serif; }
.dock-pop small { color: var(--muted); font-size: 13px; }
.dock-pop img { display: block; width: 132px; height: 132px; max-width: none; margin-bottom: 6px; }  /* 弹层是绝对定位的收缩宽度，全局 max-width:100% 会把二维码挤扁 */
.dock-pop.qrpop { text-align: center; }
.to-top { opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s, transform .25s, visibility .25s; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }

/* 底部操作栏（手机） */
.mbar { display: none; }

/* 灯箱 */
.lb { position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 300; background: rgba(8, 12, 20, .92); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.lb.open { opacity: 1; visibility: visible; }
.lb-stage { max-width: 92vw; max-height: 86vh; overflow: auto; -webkit-overflow-scrolling: touch; touch-action: pan-x pan-y pinch-zoom; }
.lb-stage img { display: block; max-width: 92vw; max-height: 86vh; width: auto; height: auto; border-radius: 6px; background: #fff; }
.lb.zoomed .lb-stage img { max-width: none; max-height: none; }
.lb-cap { position: absolute; left: 0; right: 0; bottom: 18px; text-align: center; color: rgba(255, 255, 255, .85); font-size: 14px; padding: 0 70px; }
.lb button { position: absolute; border: 0; background: rgba(255, 255, 255, .12); color: #fff; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.lb button:hover { background: rgba(255, 255, 255, .24); }
.lb button .ico { font-size: 24px; }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lb.single .lb-prev, .lb.single .lb-next { display: none; }

/* 进入视口的淡入：.pre 由 JS 只加给首屏以下的元素，JS 没跑时内容照常可见 */
.reveal.pre { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.pre.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal.pre { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .header-tel { display: none; }
  .nav-link { padding: 0 12px; }
  .nav-link::after { left: 12px; right: 12px; }
  .intro-card { grid-template-columns: 1fr; gap: 24px; }
  .intro { margin-top: 24px; }
  .hero-actions { top: 73%; }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .certs { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 900px) {
  :root { --header-h: 60px; --gutter: 20px; }
  .brand img { width: 150px; }
  /* backdrop-filter 会让页头成为 fixed 子元素的包含块，菜单面板就被关在 60px 高的页头里——手机端改纯白底 */
  .site-header { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .menu-btn { display: inline-flex; }
  .nav {
    position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0; margin: 0; background: #fff; overflow-y: auto;
    padding: 8px var(--gutter) 120px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s;
  }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav > ul { flex-direction: column; gap: 0; }
  .nav li { border-bottom: 1px solid var(--line); }
  .nav-link { height: auto; padding: 16px 4px; font-size: 17px; justify-content: space-between; }
  .nav-link::after { display: none; }
  .nav-link .caret { display: none; }
  .subnav { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 12px; min-width: 0; display: grid; grid-template-columns: 1fr; }
  .subnav a { padding: 10px 12px; color: var(--muted); }
  .nav-tel { display: flex !important; margin-top: 24px; }

  .section { padding: 64px 0; }
  .section.tight { padding: 52px 0; }
  .sec-head { margin-bottom: 32px; }
  .sec-head h2 { font-size: 26px; }
  .split .sec-head h2 { font-size: 24px; }
  .products { grid-template-columns: 1fr; gap: 18px; }
  .product-card { flex-direction: row; }
  .product-card .pic { width: 42%; flex: none; aspect-ratio: auto; }
  .product-card .body { padding: 18px 18px 20px; }
  .product-card h3 { font-size: 19px; }
  .product-card p { font-size: 14px; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .split, .split.rev { grid-template-columns: 1fr; gap: 32px; }
  .split.rev .figure-card { order: 2; }
  .cta .wrap { flex-direction: column; align-items: flex-start; padding-top: 44px; padding-bottom: 44px; }
  .cta h2 { font-size: 24px; }
  .page-hero .wrap { padding-top: 36px; padding-bottom: 34px; }
  .page-hero h1 { font-size: 28px; }
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
  .about-block { padding: 56px 0; }
  .big-stats, .values { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .big-stats li { padding: 22px 12px; }
  .big-stats b { font-size: 34px; }
  .big-stats b.zh { font-size: 24px; }
  .jobs { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .pd-hero-top .wrap { padding-top: 44px; }
  .pd-hero .visual img { aspect-ratio: 16 / 10; object-fit: cover; object-position: 50% 100%; }
  .pd-hero h1 { font-size: 40px; }
  .pd-hero h1 + p { font-size: 18px; }
  .pd-sec { padding-top: 64px; }
  .pd-sec.pad-b { padding-bottom: 64px; }
  .pd-sec h2, .spec h2 { font-size: 26px; }
  .pd-sec .desc { font-size: 15px; line-height: 1.9; }
  .pd-sec .visual { margin-top: 32px; }
  .pd-sec.dark > .visual img { aspect-ratio: 3 / 2; object-fit: cover; }
  .pd-cols { grid-template-columns: 1fr; gap: 44px; }
  .pd-cols h2 { font-size: 24px; }
  .pd-icons { gap: 20px 28px; }
  .pd-icons .ico { font-size: 34px; }
  .protect { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 36px; }
  .protect li, .protect li:nth-child(n+4) { grid-column: auto; padding: 18px 16px; gap: 12px; font-size: 15px; }
  .protect .ico { font-size: 30px; }
  .award { border-radius: 18px; }
  .award .txt { padding: 36px 26px 4px; }
  .award h2 { font-size: 24px; }
  .spec { padding: 64px 0; }
  .spec-tables { grid-template-columns: 1fr; gap: 0; }
  .spec-tables table + table thead { display: none; }
  .spec table { font-size: 14px; }
  .spec th, .spec td { padding: 12px 6px; }
  .spec td:first-child { width: 46%; }
  .foot-main { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; padding-bottom: 32px; }
  .foot-links { display: none; }
  .dock { display: none; }
  .mbar {
    display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    background: rgba(255, 255, 255, .97); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -6px 20px rgba(17, 32, 64, .06);
  }
  .mbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; height: 58px; font-size: 12px; color: var(--text); }
  .mbar a .ico { font-size: 22px; }
  .mbar a.primary { color: #fff; background: var(--brand); }
  body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
  .list-item { grid-template-columns: 110px 1fr; gap: 14px; padding: 14px; }
  .pagebar a, .pagebar span { min-width: 44px; height: 44px; line-height: 42px; }
  .list-item h3 { font-size: 16px; }
  .list-item p { display: none; }
}

@media (max-width: 767px) {
  .hero-media img { aspect-ratio: 1400 / 701; }
  .hero-actions { position: static; justify-content: center; flex-wrap: wrap; padding: 18px var(--gutter) 0; background: #fff; }
  .hero-actions .btn { flex: 1; max-width: 200px; }
  .intro { margin-top: 20px; }
  .intro-card { padding: 24px 20px; border-radius: 14px; box-shadow: var(--shadow); }
  .intro-card h1 { font-size: 21px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 18px 10px; }
  .stat:nth-child(3)::before { display: none; }
  .stat b { font-size: 30px; }
  .stat b.zh { font-size: 21px; }
  .map-stats { gap: 28px; }
  .map-stats b { font-size: 30px; }
  .certs { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 40%; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 2px 12px; margin: 0 calc(var(--gutter) * -1); padding-left: var(--gutter); scroll-padding-left: var(--gutter); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card { flex-direction: column; }
  .product-card .pic { width: 100%; aspect-ratio: 532 / 333; }
  .compare table { min-width: 0; font-size: 14px; }
  .compare th, .compare td { padding: 12px 6px; }
  .compare thead th { font-size: 14px; }
  .compare tbody th { white-space: normal; padding-left: 12px; width: 32%; }
  .prev-next { grid-template-columns: 1fr; }
  .prev-next div:last-child { text-align: left; }
}

@media (max-width: 420px) {
  :root { --gutter: 16px; }
  .tabs ul { gap: 0; }
  .tabs a { padding: 15px 11px; font-size: 14px; }
  .tabs li:last-child { display: none; }
  body[data-scode] .tabs a::after { left: 11px !important; right: 11px !important; }
  .t-lg { display: none; }
  .t-sm { display: inline; }
  .big-stats b.zh { font-size: 21px; }
  .pd-sec h2, .spec h2 { font-size: 24px; }
  .btn { min-height: 44px; padding: 0 18px; font-size: 14px; }
  .pd-hero h1 { font-size: 34px; }
}

@media print {
  .site-header, .dock, .mbar, .cta, .site-footer { display: none !important; }
  body { padding: 0; }
}