@charset "UTF-8";
/* ==========================================================================
   昆山格瑞斯医用材料有限公司 — 前端样式
   设计方向：医疗专业感 + 现代科技感
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --brand: #0b63ce;
  --brand-700: #084a9e;
  --brand-600: #0a57b8;
  --brand-100: #dbe9fb;
  --brand-50: #eef5ff;
  --teal: #00b3a4;
  --teal-dark: #039184;
  --ink: #0b1b33;
  --ink-2: #2a3b54;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --line: #e3eaf3;
  --line-2: #eef2f8;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --bg-deep: #071a33;
  --warn: #d97706;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-xs: 0 1px 2px rgba(11, 27, 51, .06);
  --shadow-sm: 0 4px 12px -4px rgba(11, 27, 51, .1);
  --shadow: 0 12px 32px -12px rgba(11, 27, 51, .18);
  --shadow-lg: 0 30px 70px -30px rgba(11, 27, 51, .35);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC",
          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 76px;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-700); }
img { max-width: 100%; height: auto; vertical-align: middle; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid rgba(11, 99, 206, .35); outline-offset: 2px; }
::selection { background: var(--brand); color: #fff; }

/* ---------- 工具类 ---------- */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 880px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 64px 0; }

/* ---------- 区块标题 ---------- */
.sec-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.sec-head--left { margin-left: 0; text-align: left; }
.sec-head__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; margin-bottom: 16px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand); background: var(--brand-50); border-radius: 999px;
}
.sec-head__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.sec-head h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 14px; }
.sec-head p { color: var(--muted); font-size: 16.5px; margin: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border: 1px solid transparent; border-radius: 999px;
  font-size: 15.5px; font-weight: 600; line-height: 1.2; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -10px rgba(11, 99, 206, .7); }
.btn--primary:hover { background: var(--brand-600); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(11, 99, 206, .75); }
.btn--ghost { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn--ghost:hover { background: rgba(255, 255, 255, .18); color: #fff; border-color: rgba(255, 255, 255, .6); }
.btn--outline { background: #fff; color: var(--brand); border-color: var(--brand-100); }
.btn--outline:hover { background: var(--brand-50); border-color: var(--brand); color: var(--brand-700); transform: translateY(-2px); }
.btn--teal { background: var(--teal); color: #fff; box-shadow: 0 10px 24px -10px rgba(0, 179, 164, .7); }
.btn--teal:hover { background: var(--teal-dark); color: #fff; transform: translateY(-2px); }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--block { width: 100%; }

.link-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 15px; color: var(--brand);
}
.link-more::after { content: "→"; transition: transform .2s; }
.link-more:hover::after { transform: translateX(4px); }

/* ==========================================================================
   顶部信息条 + 头部导航
   ========================================================================== */
.topbar {
  background: var(--bg-deep); color: rgba(255, 255, 255, .78);
  font-size: 13.5px; line-height: 40px;
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar__list { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar__list li { display: inline-flex; align-items: center; gap: 6px; }
.topbar__list svg { width: 15px; height: 15px; opacity: .7; }
.topbar__list strong { color: #fff; font-weight: 600; }
.topbar__slogan { color: rgba(255, 255, 255, .55); letter-spacing: .06em; }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }

.logo { display: inline-flex; align-items: center; gap: 12px; flex: none; text-decoration: none; }
/* 品牌 logo（透明底 PNG，高度自适应） */
.logo__img { display: block; height: 48px; width: auto; }
.logo__img--sm { height: 32px; }

/* 深色页脚上给 logo 垫一层白底，保证红蓝两色都清晰 */
.logo--footer {
  background: #fff;
  padding: 7px 14px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 6px 18px -10px rgba(0, 0, 0, .6);
}
.logo--footer .logo__img { height: 34px; }
.logo__mark {
  display: grid; place-items: center; width: 42px; height: 42px;
  border-radius: 12px; color: #fff; font-weight: 800; font-size: 20px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--teal) 100%);
  box-shadow: 0 8px 18px -8px rgba(11, 99, 206, .8);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__text strong { font-size: 18px; color: var(--ink); letter-spacing: .02em; }
.logo__text span { font-size: 11px; color: var(--muted-2); letter-spacing: .14em; text-transform: uppercase; }

.nav { margin-left: auto; flex: 0 1 auto; }
.nav__list { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; }
.nav__item { position: relative; flex: none; }
.nav__link {
  display: flex; align-items: center; gap: 4px;
  padding: 10px 12px; border-radius: 10px;
  font-size: 15px; font-weight: 600; color: var(--ink-2);
  white-space: nowrap; flex: none;
  transition: background .2s, color .2s;
}
.nav__link:hover, .nav__item.is-active > .nav__link { color: var(--brand); background: var(--brand-50); }
.nav__caret { width: 12px; height: 12px; opacity: .55; transition: transform .2s; }
.nav__item:hover .nav__caret { transform: rotate(180deg); }

.nav__drop {
  position: absolute; top: calc(100% + 10px); left: 50%; min-width: 200px;
  padding: 10px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.nav__item:hover .nav__drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__drop a {
  display: block; padding: 9px 14px; border-radius: 9px;
  font-size: 14.5px; color: var(--ink-2); font-weight: 500;
}
.nav__drop a:hover { background: var(--brand-50); color: var(--brand); }

.header-cta { display: flex; align-items: center; gap: 10px; flex: none; }
.header-phone { display: flex; align-items: center; gap: 8px; }
.header-phone svg { width: 20px; height: 20px; color: var(--brand); }
.header-phone span { display: block; font-size: 11.5px; color: var(--muted-2); line-height: 1.2; }
.header-phone strong { display: block; font-size: 17px; color: var(--ink); line-height: 1.25; letter-spacing: .02em; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 42px; height: 42px; margin-left: auto;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink); border-radius: 2px;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* 移动端抽屉 */
.mobile-nav {
  position: fixed; inset: 0; z-index: 120;
  background: rgba(7, 26, 51, .45);
  opacity: 0; visibility: hidden;
  /* 关键：抽屉收起时在屏幕外，必须剪裁，否则会撑开文档宽度导致整页排版变形 */
  overflow: hidden;
  transition: opacity .25s, visibility .25s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav__panel {
  position: absolute; top: 0; right: 0; width: min(360px, 86vw); height: 100%;
  background: #fff; overflow-y: auto; padding: 24px;
  transform: translateX(100%); transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}
.mobile-nav.is-open .mobile-nav__panel { transform: none; }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.mobile-nav__close {
  width: 38px; height: 38px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; font-size: 20px; line-height: 1; cursor: pointer; color: var(--muted);
}
.mobile-nav a {
  display: block; padding: 12px 4px; font-size: 16px; font-weight: 600;
  color: var(--ink-2); border-bottom: 1px solid var(--line-2);
}
.mobile-nav .sub a { padding-left: 18px; font-size: 14.5px; font-weight: 500; color: var(--muted); border-bottom: none; }
.mobile-nav .sub { padding-bottom: 8px; }
.mobile-nav__foot { margin-top: 24px; }

/* ==========================================================================
   Hero：LayerSlider 复刻（1920×550 画布等比缩放 + 原始飞入动画）
   ========================================================================== */
.ls { position: relative; background: #fff; }

/* 舞台：所有幻灯叠在同一网格单元，高度由 aspect-ratio 决定 */
.ls__stage {
  display: grid;
  aspect-ratio: 1920 / 550;
  overflow: hidden;
}
.ls-slide {
  grid-area: 1 / 1;
  position: relative;
  width: 1920px; height: 550px;
  /* 整个画布按容器宽度等比缩放（JS 设置 --ls-k），飞入距离也随之缩放 */
  transform: scale(var(--ls-k, 1)) translateZ(0);
  transform-origin: 0 0;
  opacity: 0;
  visibility: hidden;
  /* 切走时延迟再淡出：新幻灯从右滑入的 1.5s 里，旧幻灯垫在下面，不会露出白底 */
  transition: opacity .45s ease .95s, visibility 0s linear 1.4s;
}
.ls-slide.is-active {
  opacity: 1; visibility: visible; z-index: 2;
  transition: opacity 0s, visibility 0s;
}

/* 背景图随幻灯整体从右滑入（transition2d:5） */
/* ---- 背景：现代渐变主题（不再用 2016 年的背景大图）---- */
.ls-bg {
  display: block;
  position: relative;
  width: 1920px; height: 550px;
  object-fit: cover;
  opacity: 0;
  overflow: hidden;
  --grid: 60px;
  --grid-line: rgba(11, 99, 206, .05);
}
/* 细网格装饰：中心可见、四周淡出，模拟现代 SaaS 的 Canvas 质感 */
.ls-bg::after,
.ls-m__grad::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line, rgba(11, 99, 206, .05)) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line, rgba(11, 99, 206, .05)) 1px, transparent 1px);
  background-size: var(--grid, 60px) var(--grid, 60px);
  -webkit-mask-image: radial-gradient(130% 110% at 50% 0%, #000 26%, transparent 82%);
  mask-image: radial-gradient(130% 110% at 50% 0%, #000 26%, transparent 82%);
  pointer-events: none;
}

/* a 净白：极浅蓝渐变 + 青 / 蓝柔光 */
.ls-bg--a {
  background:
    radial-gradient(880px 480px at 84% 4%, rgba(0, 179, 164, .17), rgba(0, 179, 164, 0) 62%),
    radial-gradient(760px 440px at 4% 98%, rgba(11, 99, 206, .13), rgba(11, 99, 206, 0) 66%),
    linear-gradient(118deg, #ffffff 0%, #f5f9ff 52%, #e9f2ff 100%);
}

/* b 深空：深海军蓝 → 靛蓝 + 蓝 / 青光斑 */
.ls-bg--b {
  background:
    radial-gradient(900px 540px at 82% 2%, rgba(56, 140, 255, .32), rgba(56, 140, 255, 0) 62%),
    radial-gradient(800px 480px at 2% 100%, rgba(0, 179, 164, .22), rgba(0, 179, 164, 0) 66%),
    linear-gradient(118deg, #06111f 0%, #0b2440 52%, #0a3355 100%);
  --grid-line: rgba(255, 255, 255, .055);
}

/* c 薄荷：白 → 浅青（比 a 更有色感，避免整屏发白） */
.ls-bg--c {
  background:
    radial-gradient(900px 520px at 88% 0%, rgba(0, 179, 164, .26), rgba(0, 179, 164, 0) 60%),
    radial-gradient(760px 460px at 0% 100%, rgba(11, 99, 206, .14), rgba(11, 99, 206, 0) 66%),
    linear-gradient(118deg, #ffffff 0%, #eafaf7 46%, #dcf2ee 100%);
}

/* d 品牌蓝：蓝 → 青 */
.ls-bg--d {
  background:
    radial-gradient(940px 540px at 84% 0%, rgba(0, 229, 204, .34), rgba(0, 229, 204, 0) 62%),
    radial-gradient(800px 500px at 0% 100%, rgba(6, 60, 136, .46), rgba(6, 60, 136, 0) 68%),
    linear-gradient(118deg, #0b63ce 0%, #0a4fa8 52%, #087a8c 100%);
  --grid-line: rgba(255, 255, 255, .07);
}

/* e 深青：幻灯 1 用，比 b 偏墨青一点，避免与幻灯 2 撞色 */
.ls-bg--e {
  background:
    radial-gradient(920px 540px at 80% 0%, rgba(0, 209, 178, .24), rgba(0, 209, 178, 0) 62%),
    radial-gradient(820px 480px at 2% 100%, rgba(28, 96, 196, .42), rgba(28, 96, 196, 0) 68%),
    linear-gradient(118deg, #05141a 0%, #07293a 50%, #073a45 100%);
  --grid-line: rgba(255, 255, 255, .05);
}

/* 深色幻灯里的蓝色对勾反白（原图是 #0061A5，在深底上看不清） */
.ls-slide--dark img.ls-el[src*="/check."] { filter: brightness(0) invert(1); opacity: .9; }

/* ---- 图层按钮：原站是深灰小方块，统一成现代药丸按钮 ---- */
.ls-slide a.ls-el > h3,
.ls-slide a.ls-el > h5 {
  display: inline-block;
  padding: 15px 36px !important;
  font-size: 17px !important;
  line-height: 1.2 !important;
  font-weight: 600 !important;
  text-transform: none !important;
  letter-spacing: .01em;
  border-radius: 999px !important;
  box-shadow: 0 16px 34px -16px rgba(7, 19, 34, .5);
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.ls-slide--dark a.ls-el > h3,
.ls-slide--dark a.ls-el > h5 {
  background: #fff !important;
  color: #0b1b33 !important;
}
.ls-slide--light a.ls-el > h3,
.ls-slide--light a.ls-el > h5 {
  background: linear-gradient(135deg, #0b63ce, #0a86a8) !important;
  color: #fff !important;
}
.ls-slide a.ls-el:hover > h3,
.ls-slide a.ls-el:hover > h5 {
  transform: translateY(-2px);
  box-shadow: 0 24px 42px -18px rgba(7, 19, 34, .55);
}

/* ---- 产品图包裹层：柔光衬托 / 白卡片 ---- */
.ls-el, .ls-fig { position: absolute; }
.ls-fig { display: grid; place-items: center; margin: 0; }
.ls-fig img { display: block; width: 100%; height: auto; }
.ls-fig--glow::before {
  content: "";
  position: absolute; inset: -14%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 46%,
    rgba(255, 255, 255, .22) 0%,
    rgba(120, 190, 255, .18) 38%,
    rgba(0, 179, 164, .10) 60%,
    rgba(0, 0, 0, 0) 76%);
  pointer-events: none;
}
.ls-fig--glow img { position: relative; z-index: 1; }
.ls-fig--card {
  background: #fff;
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 40px 80px -40px rgba(7, 19, 34, .45), 0 0 0 1px rgba(11, 99, 206, .06);
}
.ls-slide.is-active .ls-bg { animation: lsSlideRight var(--ls-slide-in, 1500ms) cubic-bezier(.645, .045, .355, 1) both; }

/* 图层：按原站方向飞入，时长 / 延时写在行内 style 里 */
.ls-el { opacity: 0; }
.ls-slide.is-active .ls-el { animation-timing-function: cubic-bezier(.645, .045, .355, 1); animation-fill-mode: both; }
.ls-slide.is-active .ls-el[data-dir="right"]  { animation-name: lsInRight; }
.ls-slide.is-active .ls-el[data-dir="left"]   { animation-name: lsInLeft; }
.ls-slide.is-active .ls-el[data-dir="top"]    { animation-name: lsInTop; }
.ls-slide.is-active .ls-el[data-dir="bottom"] { animation-name: lsInBottom; }
.ls-slide.is-active .ls-el[data-dir="fade"]   { animation-name: lsInFade; }

@keyframes lsSlideRight { from { transform: translateX(500px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes lsInRight    { from { transform: translateX(1920px); } to { transform: none; opacity: 1; } }
@keyframes lsInLeft     { from { transform: translateX(-1920px); } to { transform: none; opacity: 1; } }
@keyframes lsInTop      { from { transform: translateY(-550px); } to { transform: none; opacity: 1; } }
@keyframes lsInBottom   { from { transform: translateY(550px); } to { transform: none; opacity: 1; } }
@keyframes lsInFade     { from { opacity: 0; } to { opacity: 1; } }

/* 悬停暂停（连同图层动画一起停，模拟 LayerSlider 的暂停行为） */
.ls.is-paused .ls-slide.is-active .ls-el,
.ls.is-paused .ls-slide.is-active .ls-bg { animation-play-state: paused; }

/* 文字层在缩放画布里的基础排版（字号 / 颜色由行内 style 控制） */
.ls-el h3, a.ls-el h3 { margin: 0; }
.ls-el { margin: 0; }
p.ls-el { margin: 0; }
.ls-el h2 { margin: 0; }

/* ---- 窄屏：缩放舞台文字会过小，改用可读的堆叠布局 ---- */
.ls__mobile { display: none; }

@media (max-width: 860px) {
  .ls__stage { display: none; }
  .ls__mobile {
    display: grid;
    background: #fff;
  }
  .ls-m {
    grid-area: 1 / 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease, visibility .5s;
  }
  .ls-m.is-active { opacity: 1; visibility: visible; z-index: 2; }
  /* 关键：裁剪产品图溢出，否则会压到下面的标题文字 */
  .ls-m__bg { height: 210px; overflow: hidden; position: relative; }
  .ls-m__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 45% center; display: block; }
  /* 手机端同样是渐变背景，只是网格更细 */
  .ls-m__grad {
    position: relative; overflow: hidden;
    width: 100%; height: 100%;
    --grid: 34px;
  }
  /* 横幅里的产品图：右侧出血，压住画面重心 */
  /* 特异性要高于 .ls-m__bg img（否则被 width/height:100% 覆盖成整幅） */
  .ls-m__bg img.ls-m__figure {
    position: absolute; right: 8px; bottom: 8px;
    height: 150px; width: auto; max-width: 55%;
    object-fit: contain; object-position: center;
    filter: drop-shadow(0 12px 20px rgba(7, 19, 34, .16));
  }
  .ls-m__body { padding: 24px 16px 30px; }
  .ls-m__title { font-size: 24px; line-height: 1.3; color: var(--ink); margin-bottom: 12px; }
  .ls-m__desc { font-size: 14.5px; line-height: 1.75; color: var(--ink-2); margin-bottom: 16px; }
  .ls-m__bullets { display: grid; gap: 9px; margin-bottom: 18px; }
  .ls-m__bullets li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.8px; line-height: 1.6; color: var(--ink-2); }
  .ls-m__bullets svg { width: 16px; height: 16px; flex: none; margin-top: 2px; color: var(--teal-dark); }
  .ls-m__actions { display: flex; flex-wrap: wrap; gap: 10px; }
  .ls-m__actions .btn { flex: 1 1 auto; }
}

/* ---- 控制条 ---- */
/* 控制条叠加在幻灯画面底部（不另起一行）。
   容器 pointer-events:none 保证幻灯里的链接 / 按钮不被挡住，控件自身再恢复可点 */
.ls__ui {
  position: absolute; left: 0; right: 0; bottom: 20px;
  z-index: 10;
  pointer-events: none;
}
.ls__ui-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.hero-dots { display: flex; align-items: center; gap: 8px; pointer-events: auto; }
.hero-dot {
  position: relative; overflow: hidden;
  width: 36px; height: 6px; padding: 0; border: 0; border-radius: 999px;
  /* 叠在画面上：半透明白轨 + 细描边，浅色 / 深色背景都可读 */
  background: rgba(255, 255, 255, .55);
  box-shadow: 0 0 0 1px rgba(11, 27, 51, .18);
  cursor: pointer;
  transition: background .25s;
}
.hero-dot span { display: block; width: 0; height: 100%; border-radius: 999px; background: var(--brand); }
.hero-dot:hover { background: rgba(255, 255, 255, .85); }
.hero-dot.is-active { background: rgba(255, 255, 255, .45); }
.hero-dot.is-active span { width: 100%; animation: heroDot var(--hero-delay, 5000ms) linear forwards; }
.ls.is-paused .hero-dot.is-active span { animation-play-state: paused; }
@keyframes heroDot { from { width: 0; } to { width: 100%; } }

.hero-arrows { display: flex; gap: 8px; pointer-events: auto; }
.hero-arrow {
  display: grid; place-items: center;
  width: 40px; height: 40px; padding: 0;
  background: rgba(255, 255, 255, .92); color: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 50%;
  box-shadow: 0 8px 22px -10px rgba(11, 27, 51, .45);
  cursor: pointer; transition: color .2s, background .2s, transform .2s;
}
.hero-arrow:hover { color: var(--brand); background: #fff; transform: translateY(-1px); }
.hero-arrow svg { width: 18px; height: 18px; }

/* ---- 数据条 ---- */
.hero-stats { background: var(--bg-deep); color: #fff; }
.hero-stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-stats__item { padding: 22px 18px; text-align: center; border-left: 1px solid rgba(255, 255, 255, .08); }
.hero-stats__item:first-child { border-left: 0; }
.hero-stats__item strong {
  display: block; font-size: 28px; font-weight: 800;
  line-height: 1.1; letter-spacing: -.01em;
}
.hero-stats__item strong span { font-size: 15px; font-weight: 600; color: #6fd6ff; margin-left: 2px; }
.hero-stats__item em { display: block; font-style: normal; font-size: 13px; color: rgba(255, 255, 255, .55); margin-top: 5px; }

/* 尊重「减少动态效果」系统设置：不做缩放、上浮与进度动画 */
@media (prefers-reduced-motion: reduce) {
  .ls-slide { transition: none; }
  .ls-slide.is-active .ls-el { animation: none; opacity: 1; }
  .ls-slide.is-active .ls-bg { animation: none; opacity: 1; }
  .hero-dot.is-active span { animation: none; width: 100%; }
}

/* ==========================================================================
   通用卡片 / 网格
   ========================================================================== */
.grid { display: grid; gap: 26px; }
/* Grid 的 1fr 默认是 minmax(auto,1fr)，长内容会把列撑破，这里统一兜住 */
.grid > * { min-width: 0; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* 优势卡片 */
.feature {
  position: relative; padding: 32px 28px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-xs);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.feature__icon {
  display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 20px;
  border-radius: 14px; color: var(--brand);
  background: linear-gradient(135deg, var(--brand-50), #fff);
  border: 1px solid var(--brand-100);
}
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { font-size: 18px; margin-bottom: 10px; }
.feature p { font-size: 14.5px; color: var(--muted); margin: 0; line-height: 1.8; }
.feature__num {
  position: absolute; top: 24px; right: 26px;
  font-size: 44px; font-weight: 800; color: var(--line-2); line-height: 1; letter-spacing: -.03em;
}

/* 产品分类卡片 */
.cat-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow-xs);
  transition: transform .28s, box-shadow .28s;
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.cat-card__media { position: relative; aspect-ratio: 16 / 10; background: var(--bg-soft); overflow: hidden; }
.cat-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.cat-card:hover .cat-card__media img { transform: scale(1.06); }
.cat-card__body { padding: 20px 22px 24px; }
.cat-card__body h3 { font-size: 17.5px; margin-bottom: 8px; }
.cat-card__body p { font-size: 13.8px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-card__arrow {
  position: absolute; right: 20px; bottom: 22px;
  width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 50%; background: var(--brand-50); color: var(--brand);
  transition: background .25s, color .25s, transform .25s;
}
.cat-card:hover .cat-card__arrow { background: var(--brand); color: #fff; transform: translateX(3px); }
.cat-card__arrow svg { width: 16px; height: 16px; }

/* 产品卡片 */
.prod-card {
  position: relative; display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-xs);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.prod-card__media {
  position: relative; aspect-ratio: 1 / 1; background: #fbfcfe; overflow: hidden;
  display: grid; place-items: center; padding: 10px 12px;
}
.prod-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .45s; }
.prod-card:hover .prod-card__media img { transform: scale(1.05); }
.prod-card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.prod-card__cat {
  font-size: 12.5px; font-weight: 600; color: var(--brand); letter-spacing: .02em; margin-bottom: 8px;
}
.prod-card h3 { font-size: 15.5px; line-height: 1.5; margin-bottom: 10px; }
.prod-card h3 a { color: var(--ink); }
.prod-card h3 a:hover { color: var(--brand); }
.prod-card__desc {
  font-size: 13.5px; color: var(--muted); line-height: 1.7; margin: 0 0 16px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.prod-card__foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line);
}
.prod-card__more { font-size: 13.5px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 4px; }
.prod-card__more::after { content: "→"; transition: transform .2s; }
.prod-card:hover .prod-card__more::after { transform: translateX(3px); }

.badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; color: #fff; background: var(--teal);
}
.badge--hot { background: #ef4444; }

/* ==========================================================================
   打印机专区
   ========================================================================== */
.printer-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  padding: 56px; color: #fff;
  background: linear-gradient(120deg, #0a2f5c 0%, #0b63ce 100%);
  box-shadow: var(--shadow-lg);
}
.printer-band::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  border-radius: 50%; background: rgba(255, 255, 255, .07);
}
.printer-band__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.printer-band h2 { color: #fff; font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 16px; }
.printer-band p { color: rgba(255, 255, 255, .75); font-size: 16px; margin-bottom: 26px; }
.printer-band__points { display: grid; gap: 12px; margin-bottom: 30px; }
.printer-band__points li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.8px; color: rgba(255, 255, 255, .88); }
.printer-band__points svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: #6fd6ff; }
/* 打印机专区配图：与轮播同一套处理——去掉白卡片，产品直接融进蓝色渐变，后面垫柔光 */
.printer-band__media {
  position: relative;
  aspect-ratio: 1 / 1;
  justify-self: end;
  width: 100%; max-width: 440px;
}
.printer-band__media::before {
  content: ""; position: absolute; inset: 2%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 44%,
    rgba(255, 255, 255, .38) 0%,
    rgba(150, 214, 255, .22) 38%,
    rgba(0, 179, 164, .12) 58%,
    transparent 74%);
  pointer-events: none;
}
/* 绝对定位 + contain：网格项里的百分比高度不会按容器算，
   图片会按原始 1:1 撑高再被 overflow 裁掉上下两头，这里绕开这个问题 */
.printer-band__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  z-index: 1;
}
/* 白底照片（JPEG）靠 multiply 把白底融进柔光；透明 PNG / WebP 不需要 */
.printer-band__media--flat img { mix-blend-mode: multiply; }

/* ==========================================================================
   案例
   ========================================================================== */
.case-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius); background: var(--bg-soft);
  border: 1px solid var(--line); aspect-ratio: 4/3;
  box-shadow: var(--shadow-xs);
  transition: transform .28s, box-shadow .28s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover img { transform: scale(1.05); }
.case-card__mask {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px; background: linear-gradient(to top, rgba(7, 26, 51, .82), rgba(7, 26, 51, .05) 55%, transparent);
}
.case-card__mask b { color: #fff; font-size: 15.5px; font-weight: 600; line-height: 1.4; }
.case-card__mask span { color: rgba(255, 255, 255, .65); font-size: 12.5px; margin-top: 4px; }
.case-card--empty { display: grid; place-items: center; }
.case-card--empty b { color: var(--muted); font-size: 15px; font-weight: 600; }

/* ==========================================================================
   文章
   ========================================================================== */
.art-card {
  display: flex; flex-direction: column; height: 100%;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-xs);
  transition: transform .25s, box-shadow .25s;
}
.art-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.art-card__body { padding: 22px 24px; display: flex; flex-direction: column; flex: 1; }
.art-card__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; font-size: 12.8px; color: var(--muted-2); margin-bottom: 12px; }
.art-card__meta span { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.art-card__meta svg { width: 14px; height: 14px; flex: none; opacity: .8; }
.art-card__tag { padding: 3px 10px; border-radius: 999px; background: var(--brand-50); color: var(--brand); font-weight: 600; }
.art-card h3 { font-size: 17px; line-height: 1.55; margin-bottom: 10px; }
.art-card h3 a { color: var(--ink); }
.art-card h3 a:hover { color: var(--brand); }
.art-card p {
  font-size: 14px; color: var(--muted); margin: 0 0 18px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.art-card__more { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--brand); }

/* 文章列表行（列表页） */
.art-row {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.art-row:first-child { padding-top: 0; }
.art-row h3 { font-size: 18px; margin-bottom: 10px; }
.art-row h3 a { color: var(--ink); }
.art-row h3 a:hover { color: var(--brand); }
.art-row p { font-size: 14.5px; color: var(--muted); margin: 0; }
.art-row__side { text-align: right; font-size: 13px; color: var(--muted-2); white-space: nowrap; }

/* ==========================================================================
   页面头部（内页 banner）
   ========================================================================== */
.page-head {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(800px 400px at 85% 0%, rgba(0, 179, 164, .3), transparent 60%),
              linear-gradient(120deg, #071a33 0%, #0a2f5c 60%, #0b417f 100%);
  padding: 72px 0 64px;
}
.page-head::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(60% 70% at 30% 50%, #000 20%, transparent 100%);
}
.page-head__inner { position: relative; z-index: 2; }
.page-head h1 { color: #fff; font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 12px; }
.page-head p { color: rgba(255, 255, 255, .68); font-size: 16px; max-width: 720px; margin: 0; }

.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13.5px; color: rgba(255, 255, 255, .6); margin-bottom: 18px; }
.crumb a { color: rgba(255, 255, 255, .8); }
.crumb a:hover { color: #fff; }
.crumb i { font-style: normal; opacity: .45; }

/* ==========================================================================
   布局：侧栏
   ========================================================================== */
.layout { display: grid; grid-template-columns: 268px 1fr; gap: 40px; align-items: start; }
.side { position: sticky; top: calc(var(--header-h) + 24px); }
.side__block { margin-bottom: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-xs); }
.side__title {
  padding: 16px 20px; font-size: 15.5px; font-weight: 700; color: var(--ink);
  border-bottom: 1px solid var(--line-2); background: var(--bg-soft);
}
.side__nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 13px 20px; font-size: 14.5px; color: var(--ink-2); font-weight: 500;
  border-bottom: 1px solid var(--line-2); transition: background .2s, color .2s, padding-left .2s;
}
.side__nav a:last-child { border-bottom: none; }
.side__nav a:hover { background: var(--brand-50); color: var(--brand); padding-left: 24px; }
.side__nav a.is-active { background: var(--brand); color: #fff; font-weight: 600; }
.side__nav a.is-active:hover { padding-left: 20px; }
.side__nav small { font-size: 12px; opacity: .6; }
.side__contact { padding: 20px; text-align: center; }
.side__contact strong { display: block; font-size: 22px; color: var(--brand); letter-spacing: .02em; }
.side__contact span { display: block; font-size: 12.5px; color: var(--muted); margin: 4px 0 14px; }

/* 搜索框 */
.search-box { display: flex; gap: 8px; padding: 16px; }
.search-box input {
  flex: 1; min-width: 0; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 14px;
}
.search-box input:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px rgba(11, 99, 206, .12); }
.search-box button {
  padding: 10px 16px; border: none; border-radius: 10px;
  background: var(--brand); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
}

/* ==========================================================================
   筛选条
   ========================================================================== */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  padding: 16px 20px; margin-bottom: 28px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
}
.filter-bar__label { font-size: 13.5px; font-weight: 600; color: var(--muted); margin-right: 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 999px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  transition: all .2s;
}
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.chip small { font-size: 11.5px; opacity: .65; }

/* ==========================================================================
   产品详情
   ========================================================================== */
.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.pd__gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.pd__main {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fbfcfe;
  aspect-ratio: 1/1; display: grid; place-items: center; padding: 14px; overflow: hidden;
}
.pd__main img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }
.pd__thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.pd__thumb {
  width: 78px; height: 78px; padding: 6px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; cursor: pointer; overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.pd__thumb img { width: 100%; height: 100%; object-fit: contain; }
.pd__thumb.is-active, .pd__thumb:hover { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(11, 99, 206, .1); }

.pd__info h1 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.4; margin-bottom: 14px; }
.pd__cat { display: inline-block; padding: 4px 12px; margin-bottom: 14px; border-radius: 999px; background: var(--brand-50); color: var(--brand); font-size: 12.5px; font-weight: 600; }
.pd__summary { font-size: 15.5px; color: var(--muted); line-height: 1.85; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pd__summary p { margin-bottom: 8px; }
.pd__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.tag { padding: 5px 12px; border-radius: 8px; background: var(--bg-soft); border: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }
.pd__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.pd__note { display: flex; align-items: center; gap: 8px; margin-top: 22px; font-size: 13px; color: var(--muted-2); }
.pd__note svg { width: 16px; height: 16px; color: var(--teal); }

/* 选项卡 */
.tabs { margin-top: 56px; }
.tabs__nav { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.tabs__btn {
  position: relative; padding: 13px 22px; border: none; background: none; cursor: pointer;
  font-size: 15.5px; font-weight: 600; color: var(--muted); transition: color .2s;
}
.tabs__btn:hover { color: var(--ink); }
.tabs__btn.is-active { color: var(--brand); }
.tabs__btn.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px;
  background: var(--brand); border-radius: 3px 3px 0 0;
}
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; animation: fadeUp .3s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* 富文本内容 */
.rich { font-size: 15.5px; line-height: 1.95; color: var(--ink-2); }
.rich > *:first-child { margin-top: 0; }
.rich h2 { font-size: 22px; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--brand); }
.rich h3 { font-size: 19px; margin: 30px 0 14px; }
.rich h4 { font-size: 17px; margin: 24px 0 12px; color: var(--ink); }
.rich p { margin: 0 0 16px; }
.rich ul, .rich ol { margin: 0 0 18px; padding-left: 24px; }
.rich ul { list-style: disc; }
.rich ol { list-style: decimal; }
.rich li { margin-bottom: 8px; }
.rich img { border-radius: 12px; margin: 18px 0; max-width: 100%; height: auto; }
.rich a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.rich blockquote {
  margin: 22px 0; padding: 16px 22px; border-left: 4px solid var(--brand-100);
  background: var(--bg-soft); border-radius: 0 12px 12px 0; color: var(--muted);
}
.rich table { margin: 22px 0; font-size: 14.5px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.rich th, .rich td { padding: 12px 16px; border: 1px solid var(--line); text-align: left; }
.rich th { background: var(--bg-soft); font-weight: 600; color: var(--ink); }
.rich tr:nth-child(even) td { background: #fbfcfe; }
.rich hr { margin: 28px 0; border: none; border-top: 1px solid var(--line); }

/* 规格表 */
.spec-table { width: 100%; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.spec-table tr:nth-child(odd) td { background: var(--bg-soft); }
.spec-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td:first-child { width: 32%; color: var(--muted); font-weight: 500; background: var(--bg-soft); }

/* ==========================================================================
   关于我们
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-badge {
  position: absolute; left: 20px; bottom: 20px;
  padding: 16px 22px; border-radius: 14px; background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow); backdrop-filter: blur(8px);
}
.about-badge b { display: block; font-size: 24px; color: var(--brand); line-height: 1.2; }
.about-badge span { font-size: 12.5px; color: var(--muted); }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  padding: 26px 22px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); text-align: center; box-shadow: var(--shadow-xs);
}
.stat-card b { display: block; font-size: 30px; font-weight: 800; color: var(--brand); line-height: 1.15; letter-spacing: -.02em; }
.stat-card b span { font-size: 15px; font-weight: 600; }
.stat-card em { display: block; font-style: normal; font-size: 13.5px; color: var(--muted); margin-top: 6px; }

/* 画廊 */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery-item {
  position: relative; display: block; overflow: hidden; border-radius: var(--radius);
  background: var(--bg-soft); border: 1px solid var(--line); aspect-ratio: 3/4;
  cursor: zoom-in; transition: transform .25s, box-shadow .25s;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item__cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 12px;
  font-size: 13px; color: #fff; text-align: center;
  background: linear-gradient(to top, rgba(7, 26, 51, .82), transparent);
}
.gallery-item--wide { aspect-ratio: 4/3; }

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(5, 15, 28, .93); backdrop-filter: blur(4px);
  padding: 40px 24px;
}
.lightbox.is-open { display: flex; align-items: center; justify-content: center; }
.lightbox img { max-width: 92vw; max-height: 86vh; object-fit: contain; border-radius: 8px; }
.lightbox__close {
  position: absolute; top: 22px; right: 26px; width: 44px; height: 44px;
  border: 1px solid rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .1);
  color: #fff; border-radius: 50%; font-size: 22px; line-height: 1; cursor: pointer;
}
.lightbox__cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: rgba(255, 255, 255, .75); font-size: 14px; }

/* ==========================================================================
   FAQ 手风琴
   ========================================================================== */
.acc { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow-xs); }
.acc__item + .acc__item { border-top: 1px solid var(--line-2); }
.acc__btn {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  width: 100%; padding: 22px 26px; border: none; background: none;
  text-align: left; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--ink);
  transition: background .2s;
}
.acc__btn:hover { background: var(--bg-soft); }
.acc__icon {
  flex: none; width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 50%; background: var(--brand-50); color: var(--brand);
  font-size: 18px; line-height: 1; transition: transform .25s, background .25s, color .25s;
}
.acc__item.is-open .acc__icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
.acc__body { display: none; padding: 0 26px 24px; font-size: 15px; color: var(--muted); line-height: 1.9; }
.acc__item.is-open .acc__body { display: block; animation: fadeUp .25s ease; }

/* ==========================================================================
   表单
   ========================================================================== */
.form-card {
  padding: 36px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row { margin-bottom: 20px; }
.form-row--full { grid-column: 1 / -1; }
.form-label { display: block; margin-bottom: 8px; font-size: 14px; font-weight: 600; color: var(--ink); }
.form-label .req { color: #e11d48; margin-left: 2px; }
.form-control {
  display: block; width: 100%; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 11px;
  background: #fff; font-size: 15px; color: var(--ink-2);
  transition: border-color .2s, box-shadow .2s;
}
.form-control::placeholder { color: var(--muted-2); }
.form-control:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(11, 99, 206, .1); }
textarea.form-control { min-height: 130px; resize: vertical; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.form-hint { margin-top: 6px; font-size: 12.5px; color: var(--muted-2); }
.form-actions { margin-top: 26px; }
.check-group { display: flex; flex-wrap: wrap; gap: 10px; }
.check {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 14px; color: var(--ink-2); cursor: pointer; background: #fff; transition: all .2s;
}
.check:hover { border-color: var(--brand); }
.check input { accent-color: var(--brand); width: 15px; height: 15px; margin: 0; }
.check:has(input:checked) { border-color: var(--brand); background: var(--brand-50); color: var(--brand); font-weight: 600; }

.alert { padding: 14px 18px; border-radius: 12px; font-size: 14.5px; margin-bottom: 24px; }
.alert--error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.alert--ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #047857; }
.alert ul { list-style: none; padding: 0; margin: 0; }
.alert li + li { margin-top: 4px; }
.hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

/* ==========================================================================
   联系页
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
.contact-list { display: grid; gap: 16px; }
.contact-item { display: flex; gap: 16px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-xs); }
.contact-item__icon { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--brand-50); color: var(--brand); }
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item b { display: block; font-size: 13px; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.contact-item strong { display: block; font-size: 17px; color: var(--ink); font-weight: 700; line-height: 1.5; word-break: break-word; }
.contact-item small { display: block; font-size: 12.5px; color: var(--muted-2); margin-top: 2px; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--bg-soft); }
.map-wrap iframe { display: block; width: 100%; height: 340px; border: 0; }

/* ==========================================================================
   下载中心
   ========================================================================== */
.dl-card {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-xs);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  min-width: 0;   /* 防止 grid/flex 子项被长文本或图片撑宽 */
}
.dl-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.dl-card__icon {
  flex: none; width: 52px; height: 52px; display: grid; place-items: center;
  border-radius: 14px; background: var(--brand-50); color: var(--brand);
}
.dl-card__icon svg { width: 26px; height: 26px; }
.dl-card__body { flex: 1; min-width: 0; }
.dl-card h3 { font-size: 17px; margin-bottom: 8px; line-height: 1.5; }
.dl-card__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.dl-card__meta span { display: inline-block; min-width: 0; overflow-wrap: anywhere; }
.dl-card__meta b { color: var(--ink-2); font-weight: 600; }
.dl-card__desc { font-size: 14px; color: var(--muted); line-height: 1.8; margin: 0 0 16px; }
.dl-card__desc ul { list-style: decimal; padding-left: 20px; margin-top: 8px; }
.dl-card__desc li { margin-bottom: 4px; }

/* 驱动程序：左侧打印机实拍图，方便用户对照机型选驱动 */
.dl-card--media { gap: 24px; align-items: center; }
.dl-card__media {
  flex: none; width: 240px; aspect-ratio: 4 / 3; min-width: 0;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden;
}
.dl-card__media img { display: block; width: 100%; height: 100%; max-width: 100%; object-fit: contain; }

/* 下载按钮固定在卡片右侧，不跟着文字换行 */
.dl-card__side { flex: none; align-self: center; display: flex; align-items: center; }

/* ==========================================================================
   搜索结果
   ========================================================================== */
.search-result-group { margin-bottom: 44px; }
.search-result-group h2 { font-size: 20px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.search-result-group h2 span { font-size: 13px; font-weight: 600; color: var(--brand); background: var(--brand-50); padding: 3px 10px; border-radius: 999px; }
.sr-item { display: block; padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.sr-item:hover h3 { color: var(--brand); }
.sr-item h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 6px; transition: color .2s; }
.sr-item p { font-size: 14px; color: var(--muted); margin: 0; }
mark { background: #fef08a; color: inherit; padding: 0 2px; border-radius: 3px; }

/* ==========================================================================
   分页
   ========================================================================== */
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; }
.pager__btn, .pager__num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; height: 42px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 11px;
  background: #fff; font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  transition: all .2s;
}
.pager__num { padding: 0 12px; }
.pager__btn:hover, .pager__num:hover { border-color: var(--brand); color: var(--brand); }
.pager__num.is-active { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.pager__btn.is-disabled { color: var(--muted-2); background: var(--bg-soft); cursor: not-allowed; }
.pager__gap { color: var(--muted-2); padding: 0 4px; }

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta {
  position: relative; overflow: hidden; color: #fff; text-align: center;
  padding: 72px 32px; border-radius: var(--radius-lg);
  background: radial-gradient(600px 300px at 20% 0%, rgba(0, 179, 164, .35), transparent 60%),
              linear-gradient(120deg, #0a2f5c, #0b63ce);
  box-shadow: var(--shadow-lg);
}
.cta h2 { color: #fff; font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, .75); font-size: 16px; margin-bottom: 30px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { margin-top: 0; background: var(--bg-deep); color: rgba(255, 255, 255, .62); font-size: 14px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.1fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .logo__text strong { color: #fff; }
.footer-brand .logo__text span { color: rgba(255, 255, 255, .4); }
.footer-brand p { margin: 18px 0 0; font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .5); max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; letter-spacing: .02em; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: rgba(255, 255, 255, .58); font-size: 13.5px; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.7; margin-bottom: 12px; color: rgba(255, 255, 255, .58); }
.footer-contact svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: var(--teal); }
.footer-contact strong { color: #fff; font-weight: 600; }
.footer-bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px; color: rgba(255, 255, 255, .42);
}
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: #fff; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

/* 悬浮联系 */
.float-contact { position: fixed; right: 20px; bottom: 100px; z-index: 80; display: flex; flex-direction: column; gap: 10px; }
.float-contact a, .float-contact button {
  display: grid; place-items: center; width: 50px; height: 50px;
  border-radius: 50%; background: #fff; color: var(--brand);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  cursor: pointer; transition: transform .2s, background .2s, color .2s;
}
.float-contact a:hover, .float-contact button:hover { background: var(--brand); color: #fff; transform: translateY(-3px); }
.float-contact svg { width: 22px; height: 22px; }
.to-top {
  position: fixed; right: 20px; bottom: 36px; z-index: 80;
  width: 46px; height: 46px; border-radius: 50%;
  display: none; place-items: center; cursor: pointer;
  background: var(--ink); color: #fff; border: none; box-shadow: var(--shadow);
}
.to-top.is-show { display: grid; }
.to-top svg { width: 18px; height: 18px; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .container { padding: 0 20px; }
  .nav__link { padding: 10px 10px; font-size: 15px; }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; row-gap: 36px; }
}

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .pd { grid-template-columns: 1fr; gap: 32px; }
  .pd__gallery { position: static; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .printer-band { padding: 40px; }
  .printer-band__inner { grid-template-columns: 1fr; gap: 32px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .logo__img { height: 38px; }
  .logo--footer .logo__img { height: 32px; }
  .topbar { display: none; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
  .header-cta .btn { display: none; }
  .section { padding: 56px 0; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  /* 手机：背景图变成顶部横幅，文字在下方，避免 3.5:1 的图被裁成一条 */
  /* 手机上沿用每张幻灯片配置的焦点（右对齐人物/产品），不要拉回中间 */
  .hero-stats__inner { grid-template-columns: repeat(2, 1fr); }
  .hero-stats__item { padding: 16px 10px; border-top: 1px solid rgba(255, 255, 255, .08); }
  .hero-stats__item:nth-child(odd) { border-left: 0; }
  .hero-stats__item strong { font-size: 23px; }
  .hero-stats__item em { font-size: 12px; }
  /* 圆点叠在 ls-m 图片横幅底部（bg 高 210px），箭头隐藏——触屏左右滑动切换 */
  .ls__ui { bottom: auto; top: 182px; }
  .ls__ui-inner { justify-content: center; }
  .hero-arrows { display: none; }
  .hero-dot { width: 26px; height: 5px; box-shadow: 0 0 0 1px rgba(11, 27, 51, .25); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .float-contact { display: none; }
  .art-row { grid-template-columns: 1fr; gap: 8px; }
  .art-row__side { text-align: left; }
  .page-head { padding: 48px 0 40px; }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; gap: 12px; }
  .printer-band { padding: 28px 22px; border-radius: var(--radius); }
  .cta { padding: 48px 20px; }
  .form-card { padding: 24px 20px; }
  .dl-card { flex-direction: column; gap: 14px; padding: 20px; }
  .dl-card--media { align-items: stretch; }
  .dl-card__media { width: 100%; aspect-ratio: 16 / 9; }
  .dl-card__side { align-self: stretch; }
  .dl-card__side .btn { width: 100%; justify-content: center; }
  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .footer-main { grid-template-columns: 1fr; }
  .pd__thumb { width: 64px; height: 64px; }
  .acc__btn { padding: 18px 18px; font-size: 15px; }
  .acc__body { padding: 0 18px 20px; }
  .prod-card__body { padding: 14px 16px 18px; }
  .filter-bar { padding: 12px 14px; gap: 8px; }
  .chip { padding: 7px 13px; font-size: 13px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* 打印 */
@media print {
  .site-header, .topbar, .site-footer, .float-contact, .to-top, .page-head { display: none; }
  body { font-size: 12pt; color: #000; }
}

/* ==========================================================================
   手机端专项优化
   ========================================================================== */

/* ---------- 平板及以下：侧栏移到正文之后，正文优先展示 ---------- */
@media (max-width: 1024px) {
  .layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  .side { order: 2; position: static; }
  .layout > * { min-width: 0; max-width: 100%; }
  .layout > *:not(.side) { order: 1; }
  /* 侧栏在手机上改为两列排布，避免一长条 */
  .side__block { margin-bottom: 16px; }
}

/* ---------- 手机 ---------- */
@media (max-width: 860px) {

  /* 1) 筛选条：正常换行（nowrap 会把容器撑宽，导致整页布局变形） */
  .filter-bar {
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    padding: 12px 14px;
    gap: 8px;
    overflow: visible;
  }
  .filter-bar > * { flex: 0 0 auto; }
  .filter-bar .filter-bar__label { display: none; }
  .filter-bar > span:last-child { display: none; }

  /* 2) 输入框统一 16px，避免 iOS 聚焦时自动放大页面 */
  .form-control,
  .search-box input,
  select.form-control,
  textarea.form-control { font-size: 16px; }

  /* 3) 触控目标不小于 44px */
  .btn { min-height: 44px; }
  .chip { min-height: 38px; padding: 8px 15px; }
  .pager__btn, .pager__num { min-height: 44px; min-width: 44px; }
  .nav__drop a, .mobile-nav a { min-height: 44px; display: flex; align-items: center; }
  .acc__btn { min-height: 52px; }
  .dl-card .btn, .pd__actions .btn, .form-actions .btn { min-height: 46px; }

  /* 4) 富文本里的表格允许横向滑动，不撑破页面 */
  .rich table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 13.5px;
  }
  .rich th, .rich td { padding: 9px 12px; white-space: nowrap; }
  .spec-table td { padding: 11px 12px; font-size: 13.5px; }

  /* 5) 长英文 / URL 强制换行，不撑破容器 */
  .rich, .prod-card h3, .art-card h3, .art-row h3, .case-card__mask b,
  .contact-item strong, .footer-col a { overflow-wrap: anywhere; }

  /* 6) 产品详情：缩略图更适合手指点击 */
  .pd__thumb { width: 66px; height: 66px; }
  .pd__main { padding: 8px; }

  /* 7) 段落与标题的间距收紧一点，手机上一屏能看更多 */
  .section { padding: 44px 0; }
  .sec-head { margin-bottom: 30px; }
  .sec-head h2 { font-size: 23px; }
  .page-head { padding: 34px 0 30px; }
  .page-head h1 { font-size: 24px; }

  /* 8) 回到顶部按钮避开底部操作条 */
  .to-top { bottom: 78px; }
}

/* ---------- 窄屏手机 ---------- */
@media (max-width: 560px) {

  .container { padding: 0 15px; }

  /* 卡片内文字略收 */
  .prod-card h3 { font-size: 15px; }
  .art-card h3 { font-size: 16px; }
  .cta h2 { font-size: 21px; }
  .cta p { font-size: 14.5px; }

  /* 表单按钮占满宽度更好点 */
  .form-actions .btn { width: 100%; }
}

/* ---------- 移动端底部操作条 ---------- */
.mobile-bar { display: none; }

@media (max-width: 860px) {
  .mobile-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 85;
    background: rgba(255, 255, 255, .97);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    backdrop-filter: saturate(180%) blur(12px);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -4px 20px -8px rgba(11, 27, 51, .12);
  }
  .mobile-bar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 54px;
    padding: 7px 0 6px;
    font-size: 11.5px;
    font-weight: 500;
    color: var(--muted);
    line-height: 1;
  }
  .mobile-bar a svg { width: 21px; height: 21px; }
  .mobile-bar a:active { background: var(--bg-soft); }
  .mobile-bar a.is-active { color: var(--brand); }
  .mobile-bar a.is-cta { color: #fff; background: var(--brand); }
  .mobile-bar a.is-cta:active { background: var(--brand-700); }

  /* 给底部条留出空间，避免遮住页脚最后一行 */
  body { padding-bottom: 60px; }
  .site-footer { padding-bottom: 8px; }
}

/* ---------- 手机端：产品卡片改横排，一屏能看到更多 ---------- */
@media (max-width: 560px) {
  /* 产品列表：图片在左、文字在右 */
  .prod-card { flex-direction: row; align-items: stretch; }
  .prod-card__media {
    width: 116px;
    min-width: 116px;
    aspect-ratio: 1 / 1;
    padding: 7px;
  }
  .prod-card__body { padding: 11px 13px; justify-content: center; min-width: 0; flex: 1 1 auto; }
  .prod-card__cat { font-size: 11.5px; margin-bottom: 4px; }
  .prod-card h3 { font-size: 14.5px; line-height: 1.45; margin-bottom: 6px; overflow-wrap: anywhere; }
  .prod-card__desc { font-size: 12.5px; line-height: 1.6; margin-bottom: 0; -webkit-line-clamp: 2; overflow-wrap: anywhere; }
  .prod-card__foot { display: none; }

  /* 四列网格在手机上保留两列（分类 / 案例 / 图卡） */
  .grid--4 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-card__body { padding: 12px 13px 16px; }
  .cat-card__body h3 { font-size: 14px; margin-bottom: 4px; }
  .cat-card__body p { font-size: 12px; -webkit-line-clamp: 2; }
  .cat-card__arrow { display: none; }
  .case-card__mask { padding: 10px 11px; }
  .case-card__mask b { font-size: 12.5px; line-height: 1.35; }
  .case-card__mask span { font-size: 11px; }

  /* 相关产品等四列区域同样收紧 */
  .prod-card h3 { -webkit-line-clamp: 2; }
}