/* ---------- 1. 设计令牌 ---------- */
:root {
  /* ===== 原站 leyarled.com 色系（Elementor kit-11 全局色） ===== */
  --brand: #267CEB;          /* 主蓝：按钮、链接、强调 */
  --brand-600: #1B6BD0;
  --brand-700: #17539F;

  --accent: #ACCE22;         /* 黄绿点缀 */
  --accent-600: #96B41A;
  --accent-soft: rgba(172, 206, 34, .18);

  --danger: #FF5A6E;         /* 原站点缀红，用于角标 */

  /* 深色板块（由主蓝推深，替代参考站的近黑） */
  --navy-900: #071B3A;
  --navy-800: #0E2A54;
  --navy-700: #16406F;
  --navy-600: #1F5CA8;
  --navy-500: #267CEB;

  /* 中性色 */
  --ink: #313131;
  --ink-2: #454545;
  --muted: #6B7075;
  --muted-2: #9AA0A6;
  --line: #E8EAED;
  --line-2: #D6DAE0;
  --bg: #ffffff;
  --bg-soft: #F6F8FB;
  --bg-soft-2: #EDF2F9;

  /* 圆角 / 阴影 */
  --radius: 8px;
  --radius-lg: 14px;
  --shadow-1: 0 2px 12px rgba(38, 124, 235, .08);
  --shadow-2: 0 14px 38px rgba(14, 42, 84, .13);
  --shadow-3: 0 24px 60px rgba(14, 42, 84, .18);

  /* 尺寸（与参考站一致：容器 1140px，区块留白 ~10vw） */
  --container: 1140px;
  --gutter: 20px;
  --sec-y: clamp(60px, 7vw, 112px);
  --topbar-h: 40px;
  --header-h: 76px;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --font-head: 'Roboto', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Roboto', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--accent); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .6em;
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -.01em;
}
p { margin: 0 0 1em; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
::selection { background: var(--accent); color: #fff; }

/* ---------- 3. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
/* 全宽容器：参考站的案例板块用 container-fluid（max-width:100%，不做 1140 限制） */
.container-fluid { max-width: none; }

.section { padding: var(--sec-y) 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--soft2 { background: var(--bg-soft-2); }
.section--dark {
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800) 55%, var(--navy-900));
  color: rgba(255, 255, 255, .78);
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--tight { padding: 54px 0; }
.grid { display: grid; gap: 28px; }
.row { display: flex; flex-wrap: wrap; gap: 28px; }

/* 区块标题（对齐参考站：居中主标题 + 下方一整段副标题） */
.section-head { max-width: 860px; margin: 0 auto clamp(34px, 3.4vw, 58px); text-align: center; }
.section-title {
  font-size: clamp(26px, 2.9vw, 38px);
  font-weight: 700;
  line-height: 1.28;
  margin-bottom: 14px;
}
.section-title .brand { color: var(--brand); }
.section-sub { color: var(--muted); font-size: 15px; line-height: 1.75; margin: 0; }
.section--dark .section-sub { color: rgba(255, 255, 255, .68); }
.section-head--left { margin-left: 0; text-align: left; }

/* 章节小标签（弱化，仅作辅助） */
.section-head .eyebrow {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 10px;
}

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px; font-weight: 600; letter-spacing: .02em;
  cursor: pointer;
  transition: all .3s var(--ease);
  background: var(--brand); color: #fff;
}
.btn:hover { background: var(--brand-600); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(38, 124, 235, .32); }
.btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--navy-800); box-shadow: none; }
.btn--dark { background: var(--navy-800); }
.btn--dark:hover { background: var(--navy-600); box-shadow: 0 10px 24px rgba(14, 42, 84, .3); }
.btn--accent { background: var(--accent); color: #1a2400; }
.btn--accent:hover { background: var(--accent-600); color: #fff; box-shadow: 0 10px 24px rgba(172, 206, 34, .35); }
.btn--outline { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn--outline:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); box-shadow: none; }
.btn--block { width: 100%; justify-content: center; }
/* Elementor Kit 全局链接色（.elementor-kit-11 a）会覆盖按钮白字 → 提高特异性稳压 */
.btn.btn, button.btn { color: #fff; }
.btn--accent.btn--accent { color: #1a2400; }
.btn--ghost.btn--ghost { color: #fff; }
.btn--outline.btn--outline { color: var(--ink); }

/* 文字链接 "read more" */
.more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--brand);
}
.more::after { content: "→"; transition: transform .3s var(--ease); }
.more:hover::after { transform: translateX(5px); }

/* ---------- 5. 图片占位（替换为真实图片时删掉 .ph 即可） ---------- */
.ph {
  position: relative; display: block; width: 100%;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-700) 45%, var(--navy-800));
  overflow: hidden;
}
.ph::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 14px, transparent 14px 28px);
}
.ph::after {
  content: attr(data-ph);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 14px; text-align: center;
  color: rgba(255, 255, 255, .5);
  font-size: 13px; letter-spacing: .06em;
}
.ph--light { background: linear-gradient(135deg, #dfe6f2, #eef2f8 60%, #f7f9fc); }
.ph--light::after { color: rgba(2, 9, 19, .38); }
.ph--accent { background: linear-gradient(135deg, var(--accent), #ffb459); }
.ph--accent::after { color: rgba(255, 255, 255, .75); }

/* ---------- 6. 顶部信息条 ---------- */
.topbar {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .7);
  font-size: 12.5px;
  height: var(--topbar-h);
}
.topbar .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar__tag { letter-spacing: .02em; }
.topbar__tag strong { color: var(--accent); font-weight: 700; }
.topbar__links { display: flex; align-items: center; gap: 22px; }
.topbar__links a { display: inline-flex; align-items: center; gap: 6px; }
.topbar__links a:hover { color: var(--accent); }
.topbar .ico { width: 14px; height: 14px; fill: currentColor; }

/* ---------- 7. 页头 & 导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: var(--shadow-1); }
.header__bar {
  height: var(--header-h);
  display: flex; align-items: center; gap: 28px;
}
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
/* 旧站原 logo 图（236×77），等比缩放适配头部/底部 */
.logo img { display: block; height: 46px; width: auto; }
.footer .logo img { height: 40px; }
.logo__mark {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-800));
  color: var(--accent);
  display: grid; place-items: center;
  font-weight: 800; font-size: 17px; letter-spacing: -.03em;
}
.logo__text { font-family: var(--font-head); font-weight: 800; font-size: 21px; letter-spacing: .02em; color: var(--navy-800); }
.logo__text span { color: var(--accent); }
.logo small { display: block; font-size: 10.5px; letter-spacing: .14em; color: var(--muted-2); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > li { position: relative; }
.nav > li > a {
  display: flex; align-items: center; gap: 5px;
  padding: 10px 14px;
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  border-radius: 6px; white-space: nowrap;
}
.nav > li > a:hover, .nav > li.is-active > a { color: var(--navy-700); }
.nav > li.is-active > a { color: var(--brand); }
.nav > li.is-active > a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--brand); border-radius: 2px;
}
.nav .caret { width: 9px; height: 9px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg) translateY(-2px); opacity: .6; }

/* 二级下拉 */
.nav__sub {
  position: absolute; top: 100%; left: 0;
  min-width: 230px; padding: 10px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-2);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .28s var(--ease);
}
.nav > li:hover > .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sub a { display: block; padding: 8px 12px; font-size: 13.5px; color: var(--ink-2); border-radius: 6px; }
.nav__sub a:hover { background: var(--bg-soft); color: var(--accent); }

/* 产品 Mega Menu */
.nav__mega {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  width: min(980px, 92vw);
  padding: 26px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-2);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px;
  opacity: 0; visibility: hidden; transition: all .28s var(--ease);
}
.nav > li:hover > .nav__mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__mega h4 {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--line);
}
.nav__mega a { display: block; padding: 6px 0; font-size: 13.5px; color: var(--ink-2); }
.nav__mega a:hover { color: var(--accent); padding-left: 4px; }

.header__actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.lang {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 13px; color: var(--muted); cursor: pointer; background: #fff;
}
.lang:hover { border-color: var(--navy-600); color: var(--navy-700); }
.burger {
  display: none; width: 42px; height: 42px;
  border: 1px solid var(--line-2); border-radius: 8px;
  background: #fff; cursor: pointer; padding: 0;
}
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; transition: .3s var(--ease); }

/* ---------- 8. 首屏 Banner ---------- */
/* 所有 slide 叠放在同一 grid 单元中，行高取最高的一屏，避免文字溢出被裁切 */
.hero { position: relative; display: grid; min-height:780px; color: #fff; overflow: hidden; background: var(--navy-900); }
.hero__slide {
  grid-area: 1 / 1; position: relative;
  display: grid; align-items: center;
  opacity: 0; transition: opacity .9s var(--ease);
  background: linear-gradient(180deg, var(--navy-700), var(--navy-800) 55%, var(--navy-900));
}
.hero__slide { pointer-events: none; }
.hero__slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
.hero__slide .ph { position: absolute; inset: 0; }
.hero__slide .ph::after { font-size: 0; }
/* 仅供屏幕阅读器 / SEO 的隐藏文本 */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}
.hero__inner { position: relative; z-index: 2; padding: 120px 0 140px; }
.hero__body { max-width: 660px; }
.hero__bullets { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0 0 26px; }
.hero__bullets li { position: relative; padding-left: 14px; font-size: 14px; color: rgba(255, 255, 255, .88); }
.hero__bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.hero__tag {
  display: inline-block; padding: 6px 16px; margin-bottom: 20px;
  border: 1px solid rgba(172, 206, 34, .55); border-radius: 999px;
  background: rgba(172, 206, 34, .14);
  color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.hero__title { font-size: clamp(32px, 4.4vw, 56px); color: #fff; line-height: 1.12; margin-bottom: 10px; }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__sub { font-size: clamp(16px, 1.5vw, 20px); font-weight: 600; color: #fff; margin-bottom: 16px; }
.hero__desc { color: rgba(255, 255, 255, .74); font-size: 15px; margin-bottom: 30px; max-width: 560px; }
.hero__btns { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__dots { position: absolute; bottom: 42px; left: 0; right: 0; z-index: 3; }
.hero__dots .container { display: flex; gap: 10px; }
.hero__dot { width: 34px; height: 4px; border: 0; padding: 0; border-radius: 2px; background: rgba(255, 255, 255, .3); cursor: pointer; transition: .3s var(--ease); }
.hero__dot.is-active { background: var(--accent); width: 56px; }

/* ---------- 9. 产品系列卡片（4 列，带特性列表） ---------- */
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }

.series-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .35s var(--ease);
}
.series-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: transparent; }
.series-card .ph { aspect-ratio: 4 / 3; }
.series-card__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.series-card__title { font-size: 17px; margin-bottom: 12px; }
.series-card__list { margin-bottom: 18px; }
.series-card__list li { position: relative; padding-left: 16px; font-size: 13.5px; color: var(--muted); margin-bottom: 7px; }
.series-card__list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.series-card__foot { margin-top: auto; font-size: 13px; color: var(--muted); }

/* ---------- 真实图片：与占位块保持同样版式行为 ---------- */
.hero__slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-tile img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .5s var(--ease); }
.case-tile:hover img { transform: scale(1.08); }
.market-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.market-card:hover img { transform: scale(1.07); }
.feature__media img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .6s var(--ease); }
.feature:hover .feature__media img { transform: scale(1.06); }
.about-media img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s var(--ease); }
.about-media:hover img { transform: scale(1.05); }
/* 证书是竖版文件，用 contain 保留完整内容，不裁切 */
.cert img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #fff; padding: 6px; border-radius: var(--radius); transition: transform .5s var(--ease); }
.cert:hover img { transform: scale(1.05); }
.workshop img, .workshop-track img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); transition: transform .5s var(--ease); }

/* ---------- 10. 产品网格 ---------- */
.product-card {
  position: relative; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .35s var(--ease);
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-2); transform: translateY(-6px); }
.product-card__media { position: relative; overflow: hidden; }
/* 参考站产品图 --img-ratio: 1.50 → 3:2 */
.product-card__media .ph { aspect-ratio: 3 / 2; transition: transform .5s var(--ease); }
.product-card:hover .product-card__media .ph { transform: scale(1.06); }
/* 真实产品图（缩略图）与占位图视觉一致 */
.product-card__media img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .5s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.06); }
.product-card__badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 4px 12px; border-radius: 999px;
  background: var(--brand); color: #fff;
  font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
}
.product-card__body { padding: 18px 20px 22px; }
.product-card__name { font-size: 15px; font-weight: 600; line-height: 1.45; margin-bottom: 0; min-height: 2.9em; }
.product-card__name a { color: var(--ink); }
.product-card:hover .product-card__name a { color: var(--navy-700); }
.product-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tag {
  font-size: 11.5px; padding: 3px 10px; border-radius: 4px;
  background: var(--bg-soft-2); color: var(--muted);
}
.tag--accent { background: var(--accent-soft); color: var(--accent-600); }
.product-card__foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }

/* ---------- 11. OEM / ODM 流程 ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 18px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; font-family: var(--font-head);
  font-size: 34px; font-weight: 800; line-height: 1;
  color: rgba(172, 206, 34, .55); margin-bottom: 12px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); margin: 0; }
.section--dark .step p { color: rgba(255, 255, 255, .65); }

/* ---------- 12. 通用左右切换轮播（案例 / 证书 / 客户反馈共用） ---------- */
.carousel-stage { position: relative; }
.carousel-viewport { overflow: hidden; }

.carousel-track {
  display: flex;
  --per: 4;                 /* 每屏显示数量 */
  --gap: 18px;              /* 卡片间隙 */
  gap: var(--gap);
  transition: transform .55s var(--ease);
  will-change: transform;
}
.carousel-track > * {
  flex: 0 0 calc((100% - (var(--per) - 1) * var(--gap)) / var(--per));
}

/* 左右箭头 */
.carousel-nav {
  position: absolute; top: 50%; z-index: 3;
  transform: translateY(-50%);
  width: 44px; height: 44px; padding: 0; border-radius: 50%;
  border: 1px solid var(--line-2); background: #fff;
  display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: background .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease);
}
.carousel-nav svg { width: 20px; height: 20px; fill: var(--ink); transition: fill .25s var(--ease); }
.carousel-nav:hover { background: var(--brand); border-color: var(--brand); }
.carousel-nav:hover svg { fill: #fff; }
.carousel-nav--prev { left: -22px; }
.carousel-nav--next { right: -22px; }
.carousel-nav[disabled] { opacity: .35; cursor: default; pointer-events: none; }
/* 容器留白不足时箭头改浮在轨道内侧，避免撑出横向滚动条 */
@media (max-width: 1239px) {
  .carousel-nav--prev { left: 8px; }
  .carousel-nav--next { right: 8px; }
}

/* 分页点 */
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.carousel-dots button {
  width: 9px; height: 9px; padding: 0; border: 0; border-radius: 999px;
  background: var(--line-2); cursor: pointer;
  transition: width .25s var(--ease), background .25s var(--ease);
}
.carousel-dots button.is-active { width: 26px; background: var(--brand); }

/* ---------- 12a. 应用案例（参考站 gcol-xl-4 → 桌面 3 列；无左右箭头） ---------- */
.cases-track {
  --per: 3;
  --gap: clamp(14px, 1.6vw, 30px);   /* 参考站：item padding .8vw → 视觉间隙 1.6vw */
}
.case-tile { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; }
.case-tile .ph { aspect-ratio: 3 / 2; transition: transform .5s var(--ease); }  /* 参考站 --img-ratio 1.50 */
.case-tile:hover .ph { transform: scale(1.08); }
.case-tile__label {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: 26px 16px 14px;
  background: linear-gradient(180deg, transparent, rgba(2, 9, 19, .82));
  color: #fff; font-size: 14px; font-weight: 600; text-align: center;
}
.case-tile:hover .case-tile__label { color: var(--accent); }
.cases-dots button.is-active { width: 26px; background: var(--brand); }

/* ---------- 13. 市场 / 解决方案（大卡 + 小卡） ---------- */
.markets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.market-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 260px; display: flex; }
.market-card .ph { position: absolute; inset: 0; transition: transform .6s var(--ease); }
.market-card:hover .ph { transform: scale(1.07); }
.market-card__body {
  position: relative; z-index: 2; margin-top: auto;
  padding: 26px; color: #fff; width: 100%;
  background: linear-gradient(180deg, transparent 10%, rgba(2, 9, 19, .88));
}
.market-card__body h3 { color: #fff; font-size: 19px; margin-bottom: 6px; }
.market-card__body p { font-size: 13.5px; color: rgba(255, 255, 255, .75); margin: 0 0 10px; }
.market-card--tall { grid-row: span 1; min-height: 340px; }

/* ---------- 14. 优势卡片（对齐参考站：2 列图文卡，图 3:2 在上，标题+描述在下） ---------- */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 2vw, 34px); }
.feature { transition: transform .35s var(--ease); }
.feature:hover { transform: translateY(-6px); }

.feature__media { border-radius: var(--radius-lg); overflow: hidden; }
.feature__media .ph { aspect-ratio: 3 / 2; transition: transform .6s var(--ease); }
.feature:hover .feature__media .ph { transform: scale(1.06); }

.feature__text { padding-top: 16px; text-align: center; }
.feature h3 { font-size: clamp(17px, 1.5vw, 21px); color: #fff; margin-bottom: 8px; }
.feature p { font-size: 14px; color: rgba(255, 255, 255, .7); margin: 0; }

/* ---------- 15. 关于我们 ---------- */
/* 参考站 About：左右各 50%（col-xl-6 / col-xl-6），一侧单张大图 */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 60px); align-items: center; }
.about-media { border-radius: var(--radius-lg); overflow: hidden; }
.about-media .ph { aspect-ratio: 4 / 3; border-radius: 0; transition: transform .6s var(--ease); }
.about-media:hover .ph { transform: scale(1.05); }

/* 原站 About 版式：居中标题两侧横线 + 居中副标题 + 3 个 icon-box */
.title-rule { display: flex; align-items: center; justify-content: center; gap: 18px; }
.title-rule::before,
.title-rule::after { content: ""; width: clamp(60px, 10vw, 150px); height: 2px; background: currentColor; opacity: .8; }

.about-lead {
  text-align: center; font-size: clamp(17px, 2vw, 25px); font-weight: 700;
  line-height: 1.55; max-width: 920px; margin: 18px auto 0; color: var(--ink);
}

.about-icons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: clamp(36px, 4.5vw, 60px); }
.about-icon {
  padding: 30px 24px; background: #fff; text-align: center;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: all .35s var(--ease);
}
.about-icon:hover { box-shadow: var(--shadow-2); transform: translateY(-6px); border-color: var(--accent); }
.about-icon__ico {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; background: var(--brand); color: #fff;
}
.about-icon__ico svg { width: 30px; height: 30px; fill: currentColor; }
.about-icon h3 { font-size: 17px; margin-bottom: 12px; }
.about-icon h3::after { content: ""; display: block; width: 28px; height: 3px; background: var(--accent); margin: 10px auto 0; }
.about-icon p { font-size: 13.5px; color: var(--muted); margin: 0; text-align: center; }
.about-collage { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.about-collage .ph { border-radius: var(--radius-lg); }
.about-collage .ph:first-child { aspect-ratio: 4 / 3.4; }
.about-collage__side { display: grid; gap: 14px; }
.about-collage__side .ph { aspect-ratio: 4 / 1.6; }
.about-text p { color: var(--muted); }
.about-text .signature { font-family: var(--font-head); font-weight: 700; color: var(--ink); }

.counters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.counter { padding: 20px; border-left: 3px solid var(--accent); background: var(--bg-soft); border-radius: 0 var(--radius) var(--radius) 0; }
.counter b { display: block; font-family: var(--font-head); font-size: 30px; font-weight: 800; color: var(--navy-800); line-height: 1.1; }
.counter span { font-size: 13px; color: var(--muted); }

/* ---------- 16. 证书 / 客户反馈 / 车间 ---------- */
/* 参考站 Production Workshop：首页 = 桌面 3 列等高网格（原容器缺 grid 基础规则，图片才会整行撑满） */
.workshop { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 22px); }
.workshop .ph { aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; transition: transform .5s var(--ease); }
.workshop .ph:hover, .workshop img:hover { transform: scale(1.04); }
.certs-track { --per: 5; --gap: clamp(14px, 1.4vw, 22px); }
.cert { text-align: center; }
.cert .ph { aspect-ratio: 1 / 1; border-radius: var(--radius); transition: transform .5s var(--ease); }
.cert:hover .ph { transform: scale(1.05); }
.cert span { display: block; margin-top: 10px; font-size: 13.5px; font-weight: 600; letter-spacing: .03em; }

/* 参考站 Customer Feedback：桌面 5 列 + 左右切换，正方形截图墙（--img-ratio 1.01） */
.feedbacks-track { --per: 5; --gap: clamp(12px, 1.2vw, 20px); }
.feedback { border-radius: var(--radius); overflow: hidden; }
.feedback .ph { aspect-ratio: 1 / 1; border-radius: 0; margin: 0; transition: transform .5s var(--ease); }
.feedback:hover .ph { transform: scale(1.05); }
.stars { color: var(--accent); font-size: 14px; letter-spacing: 2px; margin-bottom: 10px; }
.feedback p { font-size: 13.5px; color: var(--muted); margin-bottom: 12px; }
.feedback__who { font-size: 12.5px; font-weight: 600; color: var(--ink); }

/* 参考站 Production Workshop：gcol-xl-4 → 桌面 3 列，swiper 可左右切换 */
.workshop-track { --per: 3; --gap: 16px; }
.workshop-track .ph { aspect-ratio: 4 / 3; border-radius: var(--radius); }

/* ---------- 17. 询盘表单 ---------- */
.inquiry { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.inquiry h2 { font-size: clamp(26px, 3vw, 36px); }
.inquiry__list { margin: 22px 0 0; }
.inquiry__list li { position: relative; padding-left: 26px; margin-bottom: 12px; color: rgba(255, 255, 255, .78); font-size: 14px; }
.inquiry__list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 700;
}
.form-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-3); }
.form-card h3 { font-size: 20px; margin-bottom: 4px; }
.form-card .form-note { font-size: 13px; color: var(--muted); margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line-2); border-radius: 8px;
  background: #fff; color: var(--ink);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { min-height: 104px; resize: vertical; }
.field-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-agree { font-size: 12px; color: var(--muted-2); margin: 12px 0 18px; }

/* ---------- 18. 内页通用：面包屑 / 页头横幅 ---------- */
.page-banner {
  position: relative; padding: 88px 0 80px; color: #fff;
  /* 背景图由模板内联给出（各栏目一张真实图），此处只留兜底底色 */
  background-color: var(--navy-800);
  background-size: cover; background-position: center;
  overflow: hidden;
}
/* 深色蒙版，保证标题/面包屑在照片上依然清晰 */
.page-banner::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(9, 20, 38, .92) 0%, rgba(9, 20, 38, .76) 55%, rgba(9, 20, 38, .52) 100%);
}
.page-banner[data-noimg]::before {
  background: linear-gradient(120deg, var(--navy-700), var(--navy-800) 60%, var(--navy-900));
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { color: #fff; font-size: clamp(28px, 3.4vw, 44px); text-transform: uppercase; margin-bottom: 12px; }
.page-banner p { color: rgba(255, 255, 255, .72); margin: 0; max-width: 680px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .6); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: .5; }

/* ---------- 19. 产品列表页 ---------- */
.shop { display: grid; grid-template-columns: 260px 1fr; gap: 34px; }
.side-block { background: var(--bg-soft); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px; }
.side-block h3 { font-size: 15px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.side-list a { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; font-size: 13.5px; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.side-list a:last-child { border-bottom: 0; }
.side-list a:hover { color: var(--accent); }
.side-list a em { font-style: normal; color: var(--muted-2); font-size: 12px; }

/* Send your inquiry 侧边询盘表单（对应参考站产品页表单字段：name/email/company/phone/content） */
.side-block--inquiry { background: linear-gradient(160deg, var(--navy-700), var(--navy-800)); color: #fff; }
.side-block--inquiry h3 { color: #fff; border-bottom-color: rgba(255, 255, 255, .18); }
.side-block__tip { font-size: 12.5px; line-height: 1.65; color: rgba(255, 255, 255, .75); margin: 0 0 16px; }

.inquiry-form { display: grid; gap: 10px; }
.inquiry-form input,
.inquiry-form textarea {
  width: 100%; padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, .22); border-radius: 6px;
  background: rgba(255, 255, 255, .1); color: #fff;
  font: inherit; font-size: 13px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.inquiry-form textarea { resize: vertical; min-height: 78px; }
.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder { color: rgba(255, 255, 255, .55); }
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  outline: none; border-color: var(--accent); background: rgba(255, 255, 255, .16);
}
.inquiry-form .btn { margin-top: 4px; }

.shop__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 18px; margin-bottom: 24px;
  background: var(--bg-soft); border-radius: var(--radius);
  font-size: 13.5px; color: var(--muted);
}
.shop__bar select { padding: 7px 12px; border: 1px solid var(--line-2); border-radius: 6px; background: #fff; }
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); border-radius: 8px;
  font-size: 13.5px; color: var(--ink-2);
}
.pager a:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.pager .is-current { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager .is-disabled { opacity: .4; cursor: default; }

/* ---------- 19a. 资源 / 博客列表（参考站 resources-support 版式） ---------- */
/* gcol-6 / gcol-md-6 / gcol-xl-3 → 手机 2 / 平板 2 / 桌面 4 列；item padding 1.5vw → 视觉间隙 3vw */
.blog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 44px); }
.post-card { display: block; }
.post-card__media { border-radius: var(--radius); overflow: hidden; }
.post-card__media .ph { aspect-ratio: 1.88; transition: transform .5s var(--ease); }  /* 参考站 --img-ratio 1.88 */
.post-card__media img { display: block; width: 100%; aspect-ratio: 1.88; object-fit: cover; transition: transform .5s var(--ease); }
.post-card:hover .post-card__media .ph { transform: scale(1.06); }
.post-card:hover .post-card__media img { transform: scale(1.06); }
.post-card__title {
  margin-top: 16px; font-size: 15.5px; font-weight: 600; line-height: 1.5; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;  /* 参考站 text_ellipsis 2 行截断 */
  transition: color .25s var(--ease);
}
.post-card:hover .post-card__title { color: var(--brand); }
@media (max-width: 1199px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 19b. 文章详情（参考站 blog detail 版式） ---------- */
/* 标题区：深底（参考站渐变 #051122 → #000f35 → #020913，padding 10vw 0） */
.article-hero { text-align: center; }
.article-hero .container { max-width: 900px; }
.article-hero__title {
  color: #fff; font-size: clamp(24px, 3.2vw, 42px); font-weight: 800;
  line-height: 1.3; text-transform: none; margin: 18px 0 16px;
}
.article-hero__meta {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13.5px; color: rgba(255, 255, 255, .6);
}
.article-hero__meta span { opacity: .5; }

/* 正文：参考站模块级 color #333 */
.article { max-width: 860px; margin: 0 auto; }
.article__body { color: #333; font-size: 15.5px; line-height: 1.85; }
.article__body > * + * { margin-top: 20px; }
.article__body h2 {
  font-size: clamp(20px, 2vw, 26px); font-weight: 700; color: var(--ink);
  margin-top: 44px; line-height: 1.35;
}
.article__body h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-top: 30px; }
.article__body h2 strong, .article__body h3 strong { color: var(--navy-800); }
.article__body p { margin: 0; }
.article__body ul { padding-left: 22px; }
.article__body ul li { list-style: disc; color: var(--muted); margin-bottom: 8px; }
.article__body ul li::marker { color: var(--accent); }

/* 产品详情正文（原 Tab 区位置） */
.detail-body { margin-top: clamp(36px, 4vw, 64px); }
.article__body a { color: var(--brand); text-decoration: underline; }
.article__body strong { font-weight: 700; color: var(--ink); }
.article__figure { margin: 28px 0; }
.article__figure .ph { aspect-ratio: 16 / 9; border-radius: var(--radius-lg); }
.article__figure figcaption {
  margin-top: 10px; font-size: 13px; color: var(--muted-2); text-align: center;
}

/* 参考站正文无固定表格，这里用轻量样式补上选购速查表 */
.article__table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 14px; }
.article__table th, .article__table td {
  padding: 12px 14px; border: 1px solid var(--line); text-align: left;
}
.article__table th { background: var(--bg-soft); color: var(--ink); font-weight: 700; }
.article__table tbody tr:nth-child(even) { background: var(--bg-soft); }

/* 相关产品 */
.related + .related { margin-top: 46px; }
.related__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; }
.related__head h2 { font-size: clamp(19px, 2vw, 25px); }
.related__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 26px); }
@media (max-width: 1199px) { .related__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px)  { .related__grid { grid-template-columns: 1fr; } }

/* 上一篇 / 下一篇 */
.article-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 46px;
  padding-top: 26px; border-top: 1px solid var(--line);
}
.article-nav a {
  padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 14px; font-weight: 600; transition: all .3s var(--ease);
}
.article-nav a:hover { border-color: var(--brand); color: var(--brand); }
.article-nav small { display: block; font-size: 12px; font-weight: 400; color: var(--muted-2); margin-bottom: 6px; }
.article-nav__next { text-align: right; }
@media (max-width: 640px) { .article-nav { grid-template-columns: 1fr; } .article-nav__next { text-align: left; } }



/* ---------- 20. 产品详情页 ---------- */
.detail { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; }
.gallery__main .ph { aspect-ratio: 1 / 1; border-radius: var(--radius-lg); }
.gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.gallery__thumbs .ph { aspect-ratio: 1 / 1; border-radius: var(--radius); border: 2px solid transparent; cursor: pointer; }
.gallery__thumbs .ph.is-active { border-color: var(--accent); }
/* 真实图片（缩略图/主图）与占位块视觉一致 */
.gallery__main img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius-lg); }
.gallery__thumbs .ph img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius); }

.detail h1 { font-size: clamp(24px, 2.6vw, 34px); margin-bottom: 14px; }
.detail__desc { color: var(--muted); }

.detail__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 26px; }

/* ---------- 21. 关于页：时间轴 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line-2); }
.timeline li { position: relative; padding-bottom: 28px; }
.timeline li::before {
  content: ""; position: absolute; left: -34px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
}
.timeline b { display: block; font-family: var(--font-head); font-size: 18px; color: var(--navy-800); }
.timeline span { font-size: 13.5px; color: var(--muted); }

/* ---------- 22. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-card { padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); text-align: center; }
.contact-card .ico-circle {
  width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; background: var(--accent-soft); color: var(--accent);
}
.contact-card .ico-circle svg { width: 22px; height: 22px; fill: currentColor; }
.contact-card h4 { font-size: 15px; margin-bottom: 6px; }
.contact-card p { font-size: 13.5px; color: var(--muted); margin: 0; word-break: break-all; }

/* ---------- 23. 页脚 ---------- */
.footer { background: var(--navy-900); color: rgba(255, 255, 255, .62); font-size: 13.5px; padding-top: 62px; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 46px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: .04em; }
.footer .logo { margin-bottom: 18px; }
.footer .logo__text { color: #fff; }
.footer__about p { margin-bottom: 18px; }
.footer__links a { display: block; padding: 5px 0; }
.footer__links a:hover { color: var(--accent); padding-left: 4px; }
.footer__contact li { display: flex; gap: 10px; margin-bottom: 12px; }
.footer__contact svg { width: 15px; height: 15px; fill: var(--accent); flex: 0 0 auto; margin-top: 4px; }
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .2); color: rgba(255, 255, 255, .7);
}
.footer__social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.footer__social svg { width: 16px; height: 16px; fill: currentColor; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0; display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between; font-size: 12.5px;
}
.footer__bottom a:hover { color: var(--accent); }

/* ---------- 24. 悬浮客服 ---------- */
.dock {
  position: fixed; right: 18px; top: 50%; transform: translateY(-50%);
  z-index: 90; display: grid; gap: 10px;
}
.dock a {
  position: relative;
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: #fff; color: var(--navy-800);
  box-shadow: var(--shadow-2);
  transition: all .3s var(--ease);
}
.dock a:hover { background: var(--accent); color: #fff; transform: translateX(-3px); }
.dock svg { width: 20px; height: 20px; fill: currentColor; }

/* 滑过弹出内容：出现在按钮左侧 */
.dock__pop {
  position: absolute; right: calc(100% + 12px); top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: #fff; color: var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  padding: 10px 14px;
  font-size: 13px; font-weight: 600; white-space: nowrap;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all .25s var(--ease);
}
.dock__pop::after {
  content: ""; position: absolute; right: -5px; top: 50%; margin-top: -5px;
  border: 5px solid transparent; border-right: 0; border-left-color: #fff;
}
.dock a:hover .dock__pop { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.dock__pop img { display: block; width: 100px; height: 100px; object-fit: contain; background: #fff; border-radius: 6px; }
.dock__pop em { display: block; text-align: center; font-style: normal; margin-top: 6px; font-size: 12px; color: var(--muted); font-weight: 500; }
.to-top {
  position: fixed; right: 18px; bottom: 24px; z-index: 90;
  width: 44px; height: 44px; border-radius: 12px; border: 0; cursor: pointer;
  background: var(--navy-800); color: #fff;
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transition: all .3s var(--ease);
  box-shadow: var(--shadow-2);
}
.to-top.is-show { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--accent); }
.to-top svg { width: 18px; height: 18px; fill: currentColor; }

/* ---------- 25. 动画 ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 26. 响应式 ---------- */
@media (max-width: 1200px) {
  .nav > li > a { padding: 10px 10px; font-size: 13.5px; }
  .nav__mega { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  :root { --header-h: 68px; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    padding: 10px 0 20px;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: all .3s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav > li > a { padding: 14px var(--gutter); border-radius: 0; }
  .nav > li.is-active > a::after { display: none; }
  .nav__sub, .nav__mega {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-radius: 0; padding: 0 0 8px 14px;
    width: auto; grid-template-columns: 1fr; gap: 10px;
    display: none;
  }
  .nav > li.is-open > .nav__sub, .nav > li.is-open > .nav__mega { display: grid; }
  .header__actions .btn, .header__actions .lang { display: none; }
  .hero { min-height: 520px; }
  .cols-4, .features, .steps { grid-template-columns: repeat(2, 1fr); }
  .about-icons { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .markets, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .cols-3, .workshop { grid-template-columns: repeat(2, 1fr); }
  .about-split, .inquiry, .detail { grid-template-columns: 1fr; gap: 36px; }
  .shop { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .dock { right: 10px; }
  .dock a { width: 40px; height: 40px; }
  .dock__pop { display: none; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .section { padding: 52px 0; }
  .topbar__links a:not(:first-child) { display: none; }
  .hero { min-height: 460px; }
  .hero__inner { padding: 80px 0 100px; }
  .cols-4, .cols-3, .cols-2, .features, .steps, .markets,
  .workshop, .contact-grid, .counters { grid-template-columns: 1fr; }
  .counters { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 34px; }
  .form-card { padding: 22px; }
  .field-2 { grid-template-columns: 1fr; }
}

/* ---------- 27. 轮播响应式：每屏显示数量 ---------- */
/* 案例：参考站 gcol-xl-4 / gcol-md-6 / gcol-12 → 桌面 3 / 平板 2 / 手机 1 */
@media (max-width: 1199px) { .cases-track { --per: 2; } }
@media (max-width: 767px)  { .cases-track { --per: 1; } }

/* 证书 / 客户反馈：桌面 5 / 平板 3 / 手机 2 */
@media (max-width: 1199px) { .certs-track, .feedbacks-track { --per: 3; } }
@media (max-width: 767px)  { .certs-track, .feedbacks-track { --per: 2; } }

/* 车间：参考站 gcol-12 / gcol-md-6 / gcol-xl-4 → 手机 1 / 平板 2 / 桌面 3 */
@media (max-width: 1199px) { .workshop-track { --per: 2; } }
@media (max-width: 767px)  { .workshop-track { --per: 1; } }