/* ============================================================
   浙江航泽智能科技有限公司 官网样式
   风格：简约大气 · 深蓝科技色 · 大量留白
   ============================================================ */
:root {
  --navy: #0b1f3a;
  --navy-2: #122c4f;
  --blue: #1e6fff;
  --blue-dark: #1257d6;
  --blue-light: #e8f0ff;
  --text: #1f2a3a;
  --text-2: #5b6b80;
  --line: #e6ebf2;
  --bg-gray: #f5f7fa;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 20px 60px rgba(11, 31, 58, 0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* 统一键盘焦点态（可访问性 / WCAG AA）：Tab 聚焦时给出清晰品牌色轮廓 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.lang-dropdown__btn:focus-visible {
  outline: 2.5px solid var(--blue);
  outline-offset: 3px;
  border-radius: 8px;
}
.btn:focus-visible { outline-offset: 4px; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------------- Header ---------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; height: auto; gap: 16px; padding: 8px 0;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue) 0%, #37b5ff 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 20px; letter-spacing: 0;
  flex-shrink: 0;
}
.brand-mark.has-logo { width: auto; height: 40px; background: none; padding: 0; border-radius: 6px; overflow: hidden; flex-shrink: 0; }
.brand-mark.has-logo img { display: block; width: auto; height: 100%; max-width: 200px; object-fit: contain; border-radius: 0; }

.nav { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 4px 6px; }
.nav a {
  padding: 8px 13px; border-radius: 8px;
  font-size: 14.5px; color: var(--text);
  white-space: nowrap; flex-shrink: 0;
  transition: all .25s;
}
.nav a:hover { color: var(--blue); background: var(--blue-light); }
.nav a.active { color: #fff; background: var(--blue); font-weight: 600; }
.nav .nav-tel {
  margin-left: 8px; padding: 8px 16px; font-size: 14px;
  border: 1.5px solid var(--blue); color: var(--blue); font-weight: 600;
  border-radius: 999px; white-space: nowrap; flex-shrink: 0;
}
.nav .nav-tel:hover { background: var(--blue); color: #fff; }
.nav .nav-admin {
  margin-left: 6px; padding: 9px 16px; font-weight: 600;
  color: #ffb547; border: 1.5px dashed #ffb547; border-radius: 999px;
}
.nav .nav-admin:hover { background: rgba(255,181,71,.12); color: #ffb547; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; position: relative;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--navy);
  margin: 5px auto; transition: all .3s; border-radius: 2px;
}

/* ---------------- Hero (首页) ---------------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--navy) 0%, #0e2a52 55%, #113a6e 100%);
  color: #fff;
  padding: 110px 0 130px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 85% 20%, rgba(30, 111, 255, 0.28), transparent 65%),
    radial-gradient(500px 360px at 8% 90%, rgba(55, 181, 255, 0.14), transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: .35;
  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(800px 500px at 60% 40%, #000 30%, transparent 100%);
}
.hero-inner { position: relative; display: flex; align-items: center; gap: 60px; }
.hero-copy { flex: 1.15; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 700; letter-spacing: 1.5px;
  color: #fff;
  background: linear-gradient(135deg, rgba(255,196,72,.18) 0%, rgba(30,111,255,.14) 100%);
  border: 1px solid rgba(255,196,72,.55);
  padding: 9px 18px 9px 13px; border-radius: 999px; margin-bottom: 28px;
  box-shadow: 0 4px 18px rgba(255,196,72,.18), inset 0 0 0 1px rgba(255,255,255,.05);
  backdrop-filter: blur(4px);
}
.hero-tag .cert-ico { width: 19px; height: 19px; flex-shrink: 0; }
.hero-tag__txt { white-space: nowrap; }
.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px); line-height: 1.25;
  font-weight: 800; letter-spacing: 2px; margin-bottom: 22px;
}
.hero h1 em { font-style: normal; color: #4d9aff; }
.hero p.lead {
  font-size: 17px; color: rgba(255,255,255,.72);
  max-width: 560px; margin-bottom: 42px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 600;
  transition: all .25s; cursor: pointer; border: none;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 24px rgba(30,111,255,.4); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.4); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-outline { border: 1.5px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }

.hero-visual { flex: 1; display: flex; justify-content: center; min-width: 0; }

/* hero 固定设备插画 */
.hero-visual svg { width: 100%; max-width: 440px; height: auto; filter: drop-shadow(0 24px 48px rgba(0,0,0,.35)); }

/* 数据条 */
.stats {
  position: relative; margin-top: -62px; z-index: 5;
}
.stats-card {
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 48px 30px 50px;
}
.stats-head { text-align: center; margin-bottom: 30px; }
.stats-head h2 {
  font-size: 30px; font-weight: 900; color: var(--navy);
  display: inline-block; position: relative; padding-bottom: 12px;
}
.stats-head h2::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 0; width: 64px; height: 5px; border-radius: 3px;
  background: linear-gradient(90deg, #1e6fff, #37b5ff);
}
.stats-head p { margin-top: 14px; color: var(--text-2); font-size: 16px; font-weight: 600; }
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat { position: relative; text-align: center; padding: 10px 8px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
/* 每组顶部同色小色条，强化分组视觉 */
.stat::before {
  content: ""; display: block; width: 38px; height: 4px; border-radius: 3px;
  margin: 0 auto 18px;
}
.stat:nth-child(1)::before { background: #1e6fff; }
.stat:nth-child(2)::before { background: #e08a00; }
.stat:nth-child(3)::before { background: #0d9a78; }
.stat:nth-child(4)::before { background: #6c4ce0; }
.stat b {
  font-size: clamp(48px, 5.5vw, 80px); line-height: 1; font-weight: 900; letter-spacing: -0.03em;
  color: var(--navy);
  display: inline-flex; align-items: baseline; justify-content: center;
  white-space: nowrap;
  font-family: "Arial Black", "Helvetica Neue", sans-serif;
  text-shadow: 0 6px 20px rgba(18,58,110,.18);
}
/* 四组数字各自主题色 + 同色相阴影，避免原藏青阴影把颜色压灰 */
.stat:nth-child(1) b { color: #1e6fff; text-shadow: 0 6px 20px rgba(30,111,255,.22); }
.stat:nth-child(2) b { color: #e08a00; text-shadow: 0 6px 20px rgba(224,138,0,.22); }
.stat:nth-child(3) b { color: #0d9a78; text-shadow: 0 6px 20px rgba(13,154,120,.22); }
.stat:nth-child(4) b { color: #6c4ce0; text-shadow: 0 6px 20px rgba(108,76,224,.22); }
.stat b i { font-style: normal; font-size: clamp(15px, 1.3vw, 22px); font-weight: 800; color: var(--blue); margin-left: 4px; vertical-align: super; }
.stat:nth-child(1) b span { color: #1e6fff; font-size: inherit; }
.stat:nth-child(2) b span { color: #e08a00; font-size: inherit; }
.stat:nth-child(3) b span { color: #0d9a78; font-size: inherit; }
.stat:nth-child(4) b span { color: #6c4ce0; font-size: inherit; }
.stat:nth-child(1) b i { color: #1e6fff; }
.stat:nth-child(2) b i { color: #e08a00; }
.stat:nth-child(3) b i { color: #0d9a78; }
.stat:nth-child(4) b i { color: #6c4ce0; }
.stat b i:empty { display: none; }
.stat span { display: block; font-size: 17px; color: var(--text-2); margin-top: 14px; font-weight: 700; letter-spacing: .5px; }

/* ---------------- 通用 Section ---------------- */
.section { padding: 96px 0; }
.section.gray { background: var(--bg-gray); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-head .kicker {
  font-size: 13px; letter-spacing: 4px; color: var(--blue);
  font-weight: 700; text-transform: uppercase;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 36px); color: var(--navy);
  font-weight: 800; letter-spacing: 1.5px; margin: 10px 0 14px;
}
.section-head p { color: var(--text-2); font-size: 15.5px; }
.section-head.left { text-align: left; margin-left: 0; }

/* ---------------- 产品卡片 ---------------- */
.product-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 38px; transition: all .3s; position: relative; overflow: hidden;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.product-card .p-icon {
  width: 64px; height: 64px; border-radius: 14px;
  background: var(--blue-light); display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.product-card .p-icon svg { width: 34px; height: 34px; }
.product-card h3 { font-size: 20px; color: var(--navy); font-weight: 700; margin-bottom: 12px; }
.product-card p { color: var(--text-2); font-size: 14.5px; margin-bottom: 20px; }
.product-card .p-more { color: var(--blue); font-weight: 600; font-size: 14.5px; }
.product-card .p-more::after { content: " →"; transition: margin .2s; }
.product-card:hover .p-more::after { margin-left: 6px; }
.product-card .pc-media { margin: -40px -38px 22px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; background: #f3f7fd; }
.product-card .pc-media-inner svg, .product-card .pc-media-inner img, .product-card .pc-media-inner video { width: 100%; height: 220px; object-fit: contain; display: block; }
.product-card .card-more { color: var(--blue); font-weight: 600; font-size: 14.5px; }
.product-card .card-more::after { content: " →"; transition: margin .2s; }
.product-card:hover .card-more::after { margin-left: 6px; }
.loading { text-align: center; color: var(--text-2); padding: 40px; }
/* 详情媒体 */
/* 产品详情媒体查看器：图片+视频同一区域，默认显示图片（视频海报），点击播放即播视频；多图多视频提供缩略图切换 */


/* ---------------- 服务对象 ---------------- */
.client-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.client-item {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  text-align: center; padding: 42px 20px; transition: all .3s;
}
.client-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.client-item .c-icon {
  width: 70px; height: 70px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-light), #f0f7ff);
  display: flex; align-items: center; justify-content: center;
}
.client-item .c-icon svg { width: 34px; height: 34px; }
.client-item h4 { font-size: 17px; color: var(--navy); margin-bottom: 6px; }
.client-item p { font-size: 13.5px; color: var(--text-2); }

/* ---------------- 优势 ---------------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.adv-item {
  background: #fff; border-radius: var(--radius); padding: 38px 34px;
  border-top: 3px solid var(--blue); box-shadow: var(--shadow);
}
.adv-item .num { font-size: 15px; font-weight: 800; color: var(--blue); letter-spacing: 1px; }
.adv-item h4 { font-size: 19px; color: var(--navy); margin: 10px 0 10px; }
.adv-item p { font-size: 14.5px; color: var(--text-2); }

/* ---------------- CTA ---------------- */
.cta {
  background: linear-gradient(120deg, var(--navy) 0%, #123561 100%);
  border-radius: 20px; color: #fff; text-align: center;
  padding: 72px 40px; position: relative; overflow: hidden;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(500px 300px at 80% 10%, rgba(30,111,255,.35), transparent 60%);
}
.cta h2 { position: relative; font-size: clamp(24px, 3vw, 34px); letter-spacing: 2px; margin-bottom: 14px; }
.cta p { position: relative; color: rgba(255,255,255,.7); margin-bottom: 36px; font-size: 16px; }
.cta .btn { position: relative; }

/* ---------------- 内页 Banner ---------------- */
.page-banner {
  background: linear-gradient(150deg, var(--navy) 0%, #113a6e 100%);
  color: #fff; padding: 84px 0 76px; position: relative; overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(520px 320px at 88% 30%, rgba(30,111,255,.3), transparent 60%);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 { font-size: clamp(30px, 3.6vw, 42px); letter-spacing: 3px; font-weight: 800; display: inline-block; position: relative; padding-bottom: 14px; }
.page-banner h1::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 56px; height: 4px; border-radius: 4px;
  background: linear-gradient(90deg, #37b5ff, var(--blue));
}
.page-banner p { color: rgba(255,255,255,.65); margin-top: 22px; font-size: 16px; letter-spacing: 1px; }
.crumb { font-size: 13.5px; color: rgba(255,255,255,.5); margin-bottom: 18px; letter-spacing: 1px; }
.crumb a:hover { color: #fff; }
/* banner 恢复为纯标题，设备图/视频统一放内容区媒体区 */

/* ---------------- 关于我们 ---------------- */
.about-flex { display: flex; gap: 64px; align-items: center; }
.about-text { flex: 1.2; }
.about-text h2 { font-size: 30px; color: var(--navy); font-weight: 800; margin-bottom: 8px; letter-spacing: 1px; }
.about-text .en { color: var(--blue); font-size: 13px; letter-spacing: 4px; font-weight: 700; margin-bottom: 24px; text-transform: uppercase; }
.about-text p { color: var(--text-2); font-size: 15.5px; margin-bottom: 16px; text-align: justify; }
.about-visual { flex: 1; }
.about-visual svg { width: 100%; height: auto; }

.tag-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.tag-row span {
  background: var(--blue-light); color: var(--blue-dark); font-size: 13.5px;
  font-weight: 600; padding: 8px 18px; border-radius: 999px;
}

/* 时间线 */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--blue), #37b5ff);
  border-radius: 2px;
}
.tl-item { position: relative; padding: 0 0 42px 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -32px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
  box-shadow: 0 0 0 5px var(--blue-light);
}
.tl-item .year { font-size: 20px; font-weight: 800; color: var(--blue); }
.tl-item h4 { font-size: 17px; color: var(--navy); margin: 6px 0 6px; }
.tl-item p { color: var(--text-2); font-size: 14.5px; }

/* 资质 */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-item {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  padding: 36px 24px; text-align: center; transition: all .3s;
}
.honor-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.honor-item svg { width: 44px; height: 44px; margin: 0 auto 16px; display: block; }
.honor-item b { display: block; font-size: 26px; color: var(--navy); font-weight: 800; }
.honor-item span { font-size: 14px; color: var(--text-2); }

/* ---------------- 产品详情页 ---------------- */
.prod-detail { padding: 6px 0 0; }
.prod-detail .pd-visual {
  position: relative; width: 100%;
  background: #fff; border-radius: 14px; overflow: hidden;
}
.prod-detail .pd-stage { position: relative; border-radius: 14px; overflow: hidden; background: #fff; border: 1px solid var(--line); height: 480px; display: flex; align-items: center; justify-content: center; }
.prod-detail .pd-stage video, .prod-detail .pd-stage img, .prod-detail .pd-stage svg { width: 100%; height: 100%; max-height: 480px; object-fit: contain; display: block; background: transparent; border-radius: 14px; }
.prod-detail .pd-thumbs { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding-bottom: 4px; }
.prod-detail .pd-thumb { flex: 0 0 auto; width: 96px; height: 72px; border-radius: 10px; overflow: hidden; border: 2px solid transparent; background: #eef3fb; padding: 0; cursor: pointer; position: relative; }
.prod-detail .pd-thumb img, .prod-detail .pd-thumb video { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-detail .pd-thumb.active { border-color: var(--blue); }
.prod-detail .pd-thumb span { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; background: rgba(0,0,0,.28); pointer-events: none; }
/* 产品主视觉：左文右图 */
.pd-hero {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 52px; align-items: center;
  padding: 18px 0 8px;
}
.pd-gallery {
  background: linear-gradient(160deg, #f3f7fd 0%, #e7f0ff 100%);
  border: 1px solid var(--line); border-radius: 20px;
  padding: 22px; box-shadow: var(--shadow);
}
.pd-summary { min-width: 0; }
.pd-cat {
  display: inline-block; color: var(--blue); font-size: 13px; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 14px;
}
.pd-name {
  font-size: clamp(28px, 3.4vw, 40px); color: var(--navy); font-weight: 800;
  line-height: 1.22; margin-bottom: 18px; letter-spacing: 1px;
}
.pd-intro { color: var(--text-2); font-size: 16px; line-height: 1.9; margin-bottom: 34px; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 14px; }
/* 区块：核心特性 / 详细描述 */
.pd-block { padding: 58px 0; border-top: 1px solid var(--line); }
.pd-block .section-head { margin-bottom: 38px; }
.pd-block .section-head h2 { margin: 10px 0 0; }
/* 核心特性卡片 */
.pd-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pd-feature-grid li {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; gap: 14px; align-items: flex-start;
  transition: all .3s;
}
.pd-feature-grid li:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.pd-feature-grid li .fi {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), #37b5ff);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 18px;
}
.pd-feature-grid li .ft { font-size: 16px; font-weight: 600; color: var(--navy); line-height: 1.5; padding-top: 2px; }
/* 详细描述面板 */
.pd-detail-panel {
  background: var(--bg-gray); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 42px 46px;
}
.pd-detail-panel p { color: var(--text); font-size: 16px; line-height: 2; text-align: justify; }

/* 解决方案 */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.solution-card {
  background: linear-gradient(160deg, #fff, #f7faff);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 34px; transition: all .3s;
}
.solution-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.solution-card .s-num { font-size: 36px; font-weight: 800; color: rgba(30,111,255,.16); line-height: 1; }
.solution-card h4 { font-size: 19px; color: var(--navy); margin: 14px 0 12px; }
.solution-card p { font-size: 14.5px; color: var(--text-2); }
.solution-card .s-media { margin: -40px -34px 18px; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; background: #f3f7fd; }
.solution-card .s-media-inner svg, .solution-card .s-media-inner img, .solution-card .s-media-inner video { width: 100%; height: 200px; object-fit: cover; display: block; }
.solution-card .s-desc { margin-top: 8px; font-size: 14px; line-height: 1.8; }

/* ---- 招聘 ---- */
.job-list { display: grid; grid-template-columns: 1fr; gap: 22px; }
.job-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 34px; transition: all .3s; }
.job-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; }
.job-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.job-head h3 { font-size: 21px; color: var(--navy); font-weight: 800; }
.job-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 10px; color: var(--text-2); font-size: 14px; }
.job-meta .job-salary { color: #e8632a; font-weight: 700; }
.job-desc { margin: 16px 0; color: var(--text-2); font-size: 14.5px; }
.job-req { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; }
.job-req li { position: relative; padding-left: 18px; color: var(--text-2); font-size: 14px; }
.job-req li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 700; }
.btn-sm { padding: 9px 18px; font-size: 14px; white-space: nowrap; }

/* 服务流程 */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 0 12px; position: relative; }
.flow-step:not(:last-child)::after {
  content: "→"; position: absolute; right: -10px; top: 22px;
  color: #c3d3ea; font-size: 22px;
}
.flow-step .f-dot {
  width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%;
  background: #fff; border: 1.5px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--blue); font-size: 20px;
  box-shadow: var(--shadow);
}
.flow-step h5 { font-size: 15.5px; color: var(--navy); margin-bottom: 4px; }
.flow-step p { font-size: 13px; color: var(--text-2); }

/* ---------------- 联系我们 ---------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: all .3s;
}
.contact-card:hover { box-shadow: var(--shadow); }
.contact-card.wide { grid-column: 1 / -1; }
.contact-card .cc-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--blue-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.contact-card .cc-icon svg { width: 24px; height: 24px; }
.contact-card h4 { font-size: 15px; color: var(--text-2); font-weight: 500; margin-bottom: 6px; }
.contact-card b { font-size: 18px; color: var(--navy); font-weight: 700; line-height: 1.35; display: block; margin-bottom: 6px; }
.contact-card b:last-child { margin-bottom: 0; }
.contact-card small { display: block; color: var(--text-2); font-size: 13px; line-height: 1.35; margin-bottom: 6px; }
.contact-card small:last-child { margin-bottom: 0; }

.contact-form {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 44px 40px;
}
.contact-form h3 { font-size: 22px; color: var(--navy); margin-bottom: 6px; }
.contact-form > p { color: var(--text-2); font-size: 14px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 18px; font-size: 14px; color: var(--text); font-weight: 600; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; margin-top: 8px; padding: 13px 16px;
  border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; color: var(--text);
  transition: border .25s; background: #fbfcfe;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--blue); background: #fff;
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: 13px; color: var(--text-2); margin-top: 14px; }

.map-box {
  margin-top: 64px; background: var(--bg-gray); border-radius: var(--radius);
  border: 1px solid var(--line); overflow: hidden;
}
.map-placeholder {
  height: 320px; display: flex; flex-direction: column; gap: 10px;
  align-items: center; justify-content: center; color: var(--text-2);
  background:
    linear-gradient(rgba(30,111,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,111,255,.05) 1px, transparent 1px);
  background-size: 40px 40px; background-color: #f2f6fc;
}
.map-placeholder svg { width: 46px; height: 46px; }
.map-placeholder b { color: var(--navy); font-size: 17px; }

/* ---------------- Footer ---------------- */
.footer { background: var(--navy); color: rgba(255,255,255,.65); margin-top: 0; }
.footer-main {
  display: grid; grid-template-columns: 1.5fr 1.8fr 1.3fr; gap: 32px;
  padding: 64px 0 48px;
}
.footer-main > div { min-width: 0; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 20px; letter-spacing: 1px; }
.footer .f-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 16px; }
.footer .f-brand .brand-mark { width: 38px; height: 38px; font-size: 18px; }
/* 底部 logo 改为长方形显示；logo-01.png 已是浅色版本，无需反白 */
.footer .f-brand .brand-mark.has-logo { width: auto; height: 42px; background: none; padding: 0; border-radius: 0; overflow: visible; flex-shrink: 0; }
.footer .f-brand .brand-mark.has-logo img { display: block; width: auto; height: 100%; max-width: 170px; object-fit: contain; }
.footer .f-brand b { color: #fff; font-size: 16px; letter-spacing: .3px; line-height: 1.45; word-break: break-word; }
.footer p, .footer li { font-size: 14px; line-height: 2.1; }
.footer a:hover { color: #fff; }
/* 核心产品列表：加小图标分隔，避免英文长名称换行后挤成一串 */
#footerProducts { list-style: none; margin: 0; padding: 0; }
#footerProducts li {
  position: relative;
  padding-left: 18px;
  line-height: 1.55;
  margin-bottom: 11px;
  word-break: break-word;
  overflow-wrap: anywhere;
}
#footerProducts li:last-child { margin-bottom: 0; }
#footerProducts li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 8px;
  width: 6px;
  height: 6px;
  background: #37b5ff;
  border-radius: 1.5px;
  transform: rotate(45deg);
}
#footerProducts a { color: rgba(255,255,255,.72); transition: color .2s ease; }
#footerProducts a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0; font-size: 13px; text-align: center; color: rgba(255,255,255,.55);
}
.footer-bottom .icp-link { color: rgba(255,255,255,.55); text-decoration: none; margin-left: 8px; }
.footer-bottom .icp-link:hover { color: #fff; text-decoration: underline; }

/* ---------------- 动画 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: all .7s cubic-bezier(.2,.7,.3,1); }
.reveal.visible { opacity: 1; transform: none; }

/* 尊重用户"减少动效"偏好（可访问性 WCAG 2.3.3） */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------------- 响应式 ---------------- */
/* ============ 响应式断点（收敛为 2 档） ============
   平板 / 手机：≤ 960px（tablet）
   手机：≤ 640px（mobile）
   ================================================== */
@media (max-width: 960px) {
  /* 导航：折叠为右侧抽屉 */
  .nav {
    position: fixed; top: 76px; right: 0; width: 240px;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; box-shadow: var(--shadow-lg);
    padding: 18px; border-radius: 0 0 0 16px;
    transform: translateX(110%); transition: transform .3s;
  }
  .nav.open { transform: none; }
  .nav a { text-align: center; }
  .nav .nav-tel { margin-left: 0; }
  .nav-toggle { display: block; }

  /* 首页 hero / 统计 */
  .hero { padding: 72px 0 110px; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .stats-head h2 { font-size: 24px; }
  .stats-head p { font-size: 14px; }
  .stats-row { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .stat:nth-child(2) { border-right: none; }
  .stat b { font-size: clamp(32px, 8vw, 48px); letter-spacing: -0.03em; }
  .stat b i { font-size: clamp(12px, 2.4vw, 18px); }
  .stat span { font-size: 15px; }

  /* 网格布局 */
  .product-grid, .adv-grid, .solution-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .client-grid, .honor-grid { grid-template-columns: 1fr 1fr; }
  .about-flex, .prod-detail, .prod-detail.reverse { flex-direction: column; }
  .contact-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 26px; }
  .flow-step:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -26px; transform: translateX(-50%); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }

  /* 产品详情：左文右图 → 上下堆叠，特性 2 列 */
  .pd-hero { grid-template-columns: 1fr; gap: 32px; }
  .pd-feature-grid { grid-template-columns: repeat(2, 1fr); }

  /* 新闻列表单列 */
  .news-grid { grid-template-columns: 1fr; }

  /* 语言切换：移动菜单内居中铺满 */
  .lang-switch-wrap { margin: 12px auto 4px; display: flex; justify-content: center; }
  .lang-dropdown { width: 100%; }
  .lang-dropdown__btn { width: 100%; justify-content: center; }
  .lang-dropdown__menu { right: 50%; transform: translateX(50%) translateY(-6px) scale(.97); transform-origin: top center; }
  .lang-dropdown.open .lang-dropdown__menu { transform: translateX(50%) translateY(0) scale(1); }
}

@media (max-width: 640px) {
  /* 产品详情移动端高度收敛 */
  .prod-detail .pd-stage { height: 280px; }
  .prod-detail .pd-stage video,
  .prod-detail .pd-stage img,
  .prod-detail .pd-stage svg { max-height: 280px; }
  /* 特性卡 / 面板内边距 */
  .pd-feature-grid { grid-template-columns: 1fr; }
  .pd-detail-panel { padding: 28px 22px; }
  /* 页脚单列 */
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  /* 案例列表单列 */
  .case-grid { grid-template-columns: 1fr; }
}

/* ---------------- 新闻动态 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.news-cover { background: #f3f7fd; }
.news-cover img { width: 100%; height: 220px; object-fit: cover; display: block; }
.news-cover--svg svg { width: 100%; height: 200px; }
/* 新闻详情：图片/视频展示区（上下排版，固定 16:9，与产品详情一致） */
.news-article .news-visual {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  background: var(--bg-gray); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); margin: 8px 0 28px;
}
.news-article .news-visual img,
.news-article .news-visual video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; border-radius: var(--radius);
}
.news-body { padding: 26px 30px 30px; display: flex; flex-direction: column; flex: 1; }
.news-date { color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: 1px; }
.news-card h3 { font-size: 19px; color: var(--navy); font-weight: 800; margin: 10px 0 12px; line-height: 1.4; }
.news-card p { color: var(--text-2); font-size: 14.5px; margin-bottom: 18px; flex: 1; }
.news-card .card-more { color: var(--blue); font-weight: 600; font-size: 14.5px; }
.news-card .card-more::after { content: " →"; }

/* 新闻详情 */
.news-article { max-width: 820px; margin: 0 auto; }
.news-date-big { color: var(--blue); font-size: 14px; font-weight: 700; letter-spacing: 2px; }
.news-title { font-size: clamp(24px, 3vw, 32px); color: var(--navy); font-weight: 800; letter-spacing: .5px; margin: 10px 0 24px; line-height: 1.4; }
.news-cover--full { margin: 8px 0 28px; border-radius: var(--radius); overflow: hidden; background: #f3f7fd; }
.news-cover--full img { width: 100%; max-height: 420px; object-fit: cover; }
.news-content p { color: var(--text); font-size: 16px; line-height: 2; margin-bottom: 20px; text-align: justify; }

/* ---------------- 合作案例 ---------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.case-cover { background: #f3f7fd; }
.case-cover img { width: 100%; height: 220px; object-fit: cover; display: block; }
.case-cover--svg svg { width: 100%; height: 220px; display: block; }
.case-body { padding: 24px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.case-tag { align-self: flex-start; background: rgba(30,111,255,.10); color: var(--blue); font-size: 12.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.case-card h3 { font-size: 19px; color: var(--navy); font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.case-card p { color: var(--text-2); font-size: 14.5px; margin-bottom: 18px; flex: 1; }
.case-card .card-more { color: var(--blue); font-weight: 600; font-size: 14.5px; }
.case-card .card-more::after { content: " →"; }
.empty-note { grid-column: 1 / -1; color: var(--text-2); text-align: center; padding: 40px; background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); }

/* 已落地案例 · 单位墙（logo + 名称） */
.deployed-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 8px; }
.deployed-item {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.deployed-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(30,111,255,.4); }
.deployed-logo { width: 48px; height: 48px; border-radius: 12px; object-fit: contain; background: #f4f8ff; flex: 0 0 auto; }
.deployed-monogram {
  width: 48px; height: 48px; border-radius: 12px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-dark) 100%);
  color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.deployed-name { font-size: 15.5px; font-weight: 600; color: var(--navy); line-height: 1.4; }
.deployed-industry { font-size: 12.5px; color: var(--text-2); margin-top: 3px; }

/* 案例详情 */
.case-detail-wrap { max-width: 860px; margin: 0 auto; }
.case-visual { margin: 8px 0 26px; display: flex; flex-direction: column; gap: 16px; }
.case-media { position: relative; aspect-ratio: 16/9; background: #f3f7fd; border-radius: var(--radius); overflow: hidden; }
.case-media img, .case-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.case-detail-title { font-size: clamp(24px, 3vw, 32px); color: var(--navy); font-weight: 800; margin: 12px 0 22px; line-height: 1.4; }
.case-detail-content p { color: var(--text); font-size: 16px; line-height: 2; margin-bottom: 20px; text-align: justify; }

/* 联系页地图 */
.map-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #f2f6fc; }
.map-frame iframe { width: 100%; height: 380px; border: 0; display: block; }
.map-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 14px; padding: 0 24px 18px; flex-wrap: wrap; color: var(--text-2); font-size: 14.5px; }
.map-bar span { font-weight: 600; color: var(--navy); }


/* ---------------- 语言切换器 ---------------- */
/* ---------------- 语言切换下拉 ---------------- */
.lang-switch-wrap { display: inline-flex; align-items: center; margin-left: 10px; }
.lang-dropdown { position: relative; display: inline-block; font-size: 14px; }

/* 胶囊按钮 */
.lang-dropdown__btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--text); font: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; white-space: nowrap; line-height: 1;
  transition: border-color .2s, box-shadow .2s, background .2s, transform .15s;
}
.lang-dropdown__btn:hover { border-color: var(--blue); box-shadow: 0 3px 12px rgba(30,111,255,.15); }
.lang-dropdown.open .lang-dropdown__btn {
  border-color: var(--blue); background: var(--blue-light); color: var(--blue);
  box-shadow: 0 3px 12px rgba(30,111,255,.18);
}
.lang-dropdown__btn .globe { width: 17px; height: 17px; color: var(--blue); flex-shrink: 0; }
.lang-dropdown__btn .flag { font-size: 16px; line-height: 1; }
.lang-dropdown__btn .lbl { letter-spacing: .3px; }
.lang-dropdown__btn .chev {
  width: 10px; height: 6px; transition: transform .25s ease; color: var(--muted, #8a97ab);
}
.lang-dropdown.open .lang-dropdown__btn .chev { transform: rotate(180deg); }

/* 下拉菜单 */
.lang-dropdown__menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 172px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 12px 32px rgba(16, 32, 64, .16);
  padding: 6px; opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.97);
  transform-origin: top right; transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 200;
}
.lang-dropdown.open .lang-dropdown__menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.lang-dropdown__item {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 9px 10px; border: none; background: transparent; border-radius: 9px;
  font: inherit; font-size: 14px; color: var(--text); cursor: pointer; text-align: left;
  transition: background .15s, color .15s;
}
.lang-dropdown__item:hover { background: var(--blue-light); color: var(--blue); }
.lang-dropdown__item .flag { font-size: 17px; line-height: 1; }
.lang-dropdown__item .nm { min-width: 34px; }
.lang-dropdown__item .en { color: var(--text-2); font-size: 12px; margin-left: auto; }
.lang-dropdown__item:hover .en, .lang-dropdown__item.active .en { color: var(--blue); }
.lang-dropdown__item .ck { width: 15px; height: 15px; color: var(--blue); opacity: 0; transform: scale(.6); transition: opacity .15s, transform .15s; }
.lang-dropdown__item.active .ck { opacity: 1; transform: scale(1); }
.lang-dropdown__item.active { color: var(--blue); font-weight: 600; }


/* ===== P2 界面美化与交互增强 ===== */

/* 移动端菜单展开时锁定背景滚动 */
body.nav-open { overflow: hidden; }

/* 按钮按下反馈（移动端尤其需要） */
.btn:active { transform: translateY(1px) scale(.98); }
.btn-primary:active { box-shadow: 0 4px 14px rgba(30,111,255,.32); }
.btn-outline:active, .btn-ghost:active { transform: translateY(1px) scale(.98); }

/* 卡片媒体统一微交互：悬停时图片轻微放大（容器已 overflow:hidden） */
.pc-media-inner img, .s-media-inner img, .case-cover img, .case-media img { transition: transform .4s ease; }
.product-card:hover .pc-media-inner img,
.solution-card:hover .s-media-inner img,
.case-card:hover .case-cover img,
.case-card:hover .case-media img { transform: scale(1.04); }

/* 统计数字区：悬停时数字下方渐变细线展开，强化分量感 */
.stat b { position: relative; display: inline-block; }
.stat b::after {
  content: ""; display: block; width: 34px; height: 3px; border-radius: 2px; margin: 10px auto 0;
  background: linear-gradient(90deg, #1e6fff, #37b5ff);
  opacity: 0; transform: scaleX(.4); transition: all .4s ease;
}
.stat:hover b::after { opacity: 1; transform: scaleX(1); }

/* 资质荣誉区：错落入场（配合 .reveal 渐现）；悬停时取消延迟保持跟手 */
.honor-item:nth-child(2) { transition-delay: .06s; }
.honor-item:nth-child(3) { transition-delay: .12s; }
.honor-item:nth-child(4) { transition-delay: .18s; }
.honor-item:hover { transition: all .3s; transition-delay: 0s; }

/* hero 网格极缓慢呼吸位移动画（尊重 reduce-motion） */
@media (prefers-reduced-motion: no-preference) {
  .hero-grid { animation: heroGridDrift 24s ease-in-out infinite alternate; }
  @keyframes heroGridDrift {
    from { background-position: 0 0, 0 0; }
    to { background-position: 56px 56px, 56px 56px; }
  }
}

/* 自定义 404 页 */
.err-page { min-height: 70vh; display: flex; align-items: center; justify-content: center; padding: 80px 20px; text-align: center; }
.err-page .err-code { font-size: clamp(80px, 16vw, 160px); font-weight: 900; line-height: 1; background: linear-gradient(135deg, #1e6fff, #37b5ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.err-page .err-title { font-size: 24px; font-weight: 800; color: var(--navy); margin: 12px 0 10px; }
.err-page .err-desc { color: var(--text-2); font-size: 16px; margin-bottom: 28px; }
.err-page .err-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* 骨架屏（P2-1）：加载态由纯文字升级为微光占位，提升专业感并顺带消除 CLS */
.sk-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px; }
.sk-card { border-radius: var(--radius); background: #fff; border: 1px solid var(--line); overflow: hidden; }
.sk-card::before, .sk-card::after {
  content: ""; display: block;
  background: linear-gradient(100deg, #edf2fb 30%, #e1e9f6 50%, #edf2fb 70%);
  background-size: 200% 100%;
}
.sk-card::before { width: 100%; aspect-ratio: 16 / 10; }
.sk-card::after { height: 16px; margin: 16px 20px 22px; border-radius: 6px; }
.sk-detail {
  border-radius: var(--radius); min-height: 420px;
  background: linear-gradient(100deg, #edf2fb 30%, #e1e9f6 50%, #edf2fb 70%);
  background-size: 200% 100%;
}
@media (prefers-reduced-motion: no-preference) {
  .sk-card::before, .sk-card::after, .sk-detail { animation: skShimmer 1.2s infinite linear; }
}
@keyframes skShimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.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; }