/* ============================================================
   无锡欧姆斯电气自动化有限公司 · 官网样式
   纯静态、无外部依赖，深蓝科技风 + 白底阅读
   ============================================================ */

:root {
  --ink: #0b1a2b;
  --ink-2: #2b3a4d;
  --muted: #6b7c93;
  --line: #e3eaf3;
  --bg: #ffffff;
  --bg-alt: #f4f8fd;
  --blue: #0a58ca;
  --blue-2: #1b74ff;
  --cyan: #00b8a9;
  --deep: #071426;
  --deep-2: #0e2744;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(11, 26, 43, .06), 0 6px 18px rgba(11, 26, 43, .05);
  --shadow: 0 12px 34px rgba(11, 26, 43, .10);
  --shadow-lg: 0 26px 60px rgba(9, 30, 66, .16);
  --max: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.72;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--blue); text-decoration: none; }

h1, h2, h3, h4 { margin: 0; line-height: 1.28; font-weight: 700; letter-spacing: -.3px; }

p { margin: 0; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 26px; }

/* ---------------- 顶部导航 ---------------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: 74px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0);
  transition: background .28s var(--ease), box-shadow .28s var(--ease), height .28s var(--ease);
}
/* 头部通栏：公司名顶到窗口最左、内部系统入口顶到窗口最右 */
.topbar .wrap { display: flex; align-items: center; gap: 20px; height: 100%; max-width: none; padding: 0 28px; }

.topbar.solid {
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(1.6) blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 8px 26px rgba(11, 26, 43, .06);
  height: 66px;
}

.brand { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-logo {
  display: inline-flex; align-items: center; flex-shrink: 0;
  height: 42px; padding: 6px 11px; border-radius: 10px;
  background: #fff; box-shadow: 0 3px 12px rgba(0, 8, 22, .34), 0 0 0 1px rgba(255,255,255,.14);
  transition: box-shadow .28s var(--ease);
}
.brand-logo img { height: 100%; width: auto; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.22; min-width: 0; }
/* 公司全称：完整显示 + 加粗提亮，作为头部视觉重点 */
.brand-cn {
  font-size: 16.5px; font-weight: 800; color: #fff; letter-spacing: .3px;
  white-space: nowrap; overflow: visible; text-overflow: clip;
  text-shadow: 0 1px 12px rgba(80, 150, 255, .35);
  transition: color .28s var(--ease);
}
.brand-en {
  font-size: 10px; letter-spacing: .16em; font-weight: 500;
  color: rgba(255, 255, 255, .72); text-transform: uppercase;
  transition: color .28s var(--ease); white-space: nowrap;
}

.topbar.solid .brand-cn { color: var(--ink); text-shadow: none; }
.topbar.solid .brand-logo { box-shadow: 0 1px 2px rgba(11,26,43,.12), 0 0 0 1px rgba(11,26,43,.06); }
.topbar.solid .brand-en { color: var(--muted); }

.nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.nav a {
  padding: 8px 13px;
  font-size: 14px;
  color: rgba(255, 255, 255, .82);
  border-radius: 8px;
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.topbar.solid .nav a { color: var(--ink-2); }
.topbar.solid .nav a:hover { color: var(--blue); background: rgba(10, 88, 202, .07); }

.top-right { margin-left: 0; display: flex; align-items: center; gap: 10px; }

/* 内部系统入口：无边框无底色，只留极淡的文字，和背景融为一体（员工知道位置即可） */
.btn-oms {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 4px;
  border-radius: 8px;
  font-size: 11.5px; font-weight: 400;
  color: rgba(255, 255, 255, .32);
  background: transparent;
  border: 0;
  transition: color .2s;
  white-space: nowrap;
}
.btn-oms:hover { color: rgba(255, 255, 255, .82); }
.btn-oms svg { opacity: .5; }
.btn-oms:hover svg { opacity: .9; }
.btn-oms .sep { width: 1px; height: 9px; background: rgba(255,255,255,.1); margin: 0 1px; }
.btn-oms .lbl-short { display: none; }
.topbar.solid .btn-oms { color: #b9c1ce; }
.topbar.solid .btn-oms:hover { color: var(--blue); }
.topbar.solid .btn-oms .sep { background: rgba(11, 26, 43, .1); }

/* 语言切换：跟在「联系我们」后面 */
.lang {
  display: inline-flex; align-items: center; gap: 2px;
  margin-left: 10px; padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, .14);
}
.lang button {
  height: 24px; padding: 0 7px;
  border: 0; border-radius: 6px; background: transparent;
  color: rgba(255, 255, 255, .58);
  font-family: inherit; font-size: 11.5px; line-height: 1; cursor: pointer;
  transition: color .18s, background .18s;
}
.lang button:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.lang button.on { color: #fff; background: rgba(255, 255, 255, .16); font-weight: 600; }
.topbar.solid .lang { border-left-color: var(--line); }
.topbar.solid .lang button { color: #6b7c93; }
.topbar.solid .lang button:hover { color: var(--blue); background: rgba(10, 88, 202, .07); }
.topbar.solid .lang button.on { color: var(--blue); background: rgba(10, 88, 202, .1); }

.burger {
  display: none; width: 40px; height: 38px; border: 1px solid rgba(255,255,255,.28);
  border-radius: 9px; background: transparent; cursor: pointer; padding: 0;
  align-items: center; justify-content: center; color: #fff;
}
.topbar.solid .burger { border-color: var(--line); color: var(--ink); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: 140px 0 88px;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(27, 116, 255, .34), transparent 62%),
    radial-gradient(820px 520px at 4% 104%, rgba(0, 184, 169, .18), transparent 60%),
    linear-gradient(160deg, #05101f 0%, #0a1e3a 52%, #0b2a53 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  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: 62px 62px;
  mask-image: radial-gradient(circle at 50% 34%, #000 0%, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 34%, #000 0%, transparent 76%);
  pointer-events: none;
}
/* 文案靠左贴边、项目图靠右贴边：Hero 用更宽的容器 + 更大的中间留白 */
.hero .wrap {
  position: relative; display: grid;
  max-width: 1360px;
  grid-template-columns: 1.02fr .98fr;
  gap: 88px; align-items: center;
}
.hero-copy { justify-self: start; max-width: 620px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  height: 28px; padding: 0 12px 0 9px;
  border-radius: 20px;
  font-size: 12px; letter-spacing: .04em;
  color: #a8d2ff;
  background: rgba(60, 140, 255, .16);
  border: 1px solid rgba(90, 165, 255, .32);
}
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: #38d9c4; box-shadow: 0 0 0 3px rgba(56, 217, 196, .22); }

.hero h1 {
  font-size: clamp(30px, 4.1vw, 52px);
  margin: 22px 0 0;
  letter-spacing: -1.2px;
  line-height: 1.17;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(96deg, #56a9ff 8%, #34e0cb 62%, #7fe3ff 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: 20px;
  max-width: 560px;
  color: rgba(226, 238, 252, .78);
  font-size: 15.5px;
  line-height: 1.85;
}
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 46px; padding: 0 22px;
  border-radius: 10px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s;
}
.btn-primary {
  color: #04121f;
  background: linear-gradient(135deg, #47e6d1, #1fc3f0);
  box-shadow: 0 10px 26px rgba(31, 195, 240, .3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(31, 195, 240, .4); }
.btn-ghost {
  color: #dceafd;
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .24);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .13); transform: translateY(-2px); }

/* 项目图片轮播：多张叠加淡入淡出，右下角圆点可手动切换 */
.hero-visual { position: relative; justify-self: end; width: 100%; }
.hero-visual .shots {
  position: relative;
  height: 366px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 34px 80px rgba(0, 8, 22, .58), 0 0 0 1px rgba(255, 255, 255, .1);
  background: #fff;
}
.hero-visual .shot { position: absolute; inset: 0; opacity: 0; transition: opacity .8s var(--ease); }
.hero-visual .shot.on { opacity: 1; }
.hero-visual .shot img { width: 100%; height: 100%; object-fit: contain; background: #fff; padding: 14px; }
.hero-visual .shots::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(200deg, transparent 56%, rgba(6, 20, 40, .06));
  pointer-events: none;
}
.hero-visual .tag {
  position: absolute; left: -14px; bottom: -16px;
  background: #fff; color: var(--ink);
  border-radius: 12px; padding: 11px 16px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px;
  max-width: calc(100% - 8px);
}
.hero-visual .tag b { font-size: 13px; display: block; }
.hero-visual .tag span { font-size: 11.5px; color: var(--muted); }
.hero-visual .tag .tag-txt { transition: opacity .3s var(--ease); }
.hero-visual .tag .tag-txt.swap { opacity: 0; }
.hero-dots {
  position: absolute; right: 14px; bottom: 16px;
  display: flex; align-items: center; gap: 6px; z-index: 3;
}
.hero-dots button {
  width: 7px; height: 7px; padding: 0; border: 0; border-radius: 4px;
  background: rgba(11, 26, 43, .2); cursor: pointer;
  transition: width .25s var(--ease), background .25s var(--ease);
}
.hero-dots button.on { width: 20px; background: rgba(10, 88, 202, .85); }
.hero-dots button:hover { background: rgba(10, 88, 202, .55); }
.dot-ico {
  width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(0, 184, 169, .12); color: #00897b;
}

/* ---------------- 通用段落 ---------------- */
section { position: relative; }
.sec { padding: 92px 0; }
.sec-alt { background: var(--bg-alt); }
.sec-head { max-width: 720px; margin-bottom: 46px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 700; letter-spacing: .16em;
  color: var(--blue); text-transform: uppercase;
}
.kicker::before { content: ''; width: 22px; height: 2px; background: linear-gradient(90deg, var(--blue-2), var(--cyan)); border-radius: 2px; }
.sec-head.center .kicker::before { display: none; }
.sec h2 { font-size: clamp(24px, 2.7vw, 34px); margin: 13px 0 0; }
.sec-desc { margin-top: 15px; color: var(--muted); font-size: 15px; line-height: 1.9; }

/* ---------------- 关于我们 ---------------- */
/* 人员架构已去掉：正文单列、限宽排版，避免长行读起来累 */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 46px; align-items: start; }
.about-text { max-width: 860px; }
.about-text p + p { margin-top: 16px; }
.about-text p { color: var(--ink-2); font-size: 15px; line-height: 1.95; }
.about-text strong { color: var(--ink); }

.vision {
  margin-top: 28px; padding: 20px 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(27, 116, 255, .07), rgba(0, 184, 169, .07));
  border: 1px solid rgba(27, 116, 255, .14);
}
.vision h4 { font-size: 13px; color: var(--blue); letter-spacing: .06em; margin-bottom: 8px; }
.vision p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }

.org-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 24px 20px; box-shadow: var(--shadow-sm);
}
.org-card h4 { font-size: 14px; margin-bottom: 4px; }
.org-card .hint { font-size: 12px; color: var(--muted); }
.org-list { margin-top: 18px; display: grid; gap: 13px; }
.org-row { display: grid; grid-template-columns: 82px 1fr 42px; align-items: center; gap: 12px; }
.org-row span:first-child { font-size: 13px; color: var(--ink-2); }
.org-row span:last-child { font-size: 12.5px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }
.bar { height: 7px; border-radius: 6px; background: #eef3fa; overflow: hidden; }
.bar i {
  display: block; height: 100%; border-radius: 6px;
  background: linear-gradient(90deg, var(--blue-2), var(--cyan));
  transform-origin: left; transform: scaleX(0);
  transition: transform 1s var(--ease);
}
.in .bar i { transform: scaleX(1); }
.org-total {
  margin-top: 18px; padding-top: 15px; border-top: 1px dashed var(--line);
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px; color: var(--muted);
}
.org-total b { font-size: 20px; color: var(--blue); }

/* ---------------- 核心技术 ---------------- */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-card {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 26px 24px;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s;
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(27, 116, 255, .28); }
.tech-card .no {
  position: absolute; right: 18px; top: 12px;
  font-size: 46px; font-weight: 800; letter-spacing: -2px;
  color: rgba(11, 26, 43, .05); line-height: 1;
}
.tech-ico {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(27, 116, 255, .12), rgba(0, 184, 169, .14));
  color: var(--blue);
}
.tech-card h3 { font-size: 17px; }
.tech-card p { margin-top: 10px; color: var(--muted); font-size: 13.8px; line-height: 1.85; }
.tech-kpi {
  margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px;
}
.tech-kpi span {
  font-size: 12px; color: #0a6e63;
  background: rgba(0, 184, 169, .1); border: 1px solid rgba(0, 184, 169, .24);
  border-radius: 7px; padding: 4px 9px;
  font-variant-numeric: tabular-nums;
}

/* ---------------- 服务能力 / 行业 ---------------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.svc h3 { font-size: 16px; margin-bottom: 10px; }
.svc ul { margin: 0; padding-left: 0; list-style: none; }
.svc li { position: relative; padding-left: 18px; font-size: 13.6px; color: var(--muted); line-height: 1.9; }
.svc li::before {
  content: ''; position: absolute; left: 3px; top: 11px;
  width: 6px; height: 6px; border-radius: 2px; transform: rotate(45deg);
  background: linear-gradient(135deg, var(--blue-2), var(--cyan));
}

.industries { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px; }
.industries span {
  font-size: 13px; color: var(--ink-2);
  padding: 8px 16px; border-radius: 22px;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

/* ---------------- 发展历程 ---------------- */
.timeline { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.tl-item {
  position: relative; padding: 16px 20px 16px 52px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.tl-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(27,116,255,.24); }
.tl-item::before {
  content: ''; position: absolute; left: 22px; top: 21px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--blue-2);
  box-shadow: 0 0 0 4px rgba(27, 116, 255, .12);
}
.tl-item .yr { font-size: 15.5px; font-weight: 700; color: var(--blue); letter-spacing: .02em; }
.tl-item p { color: var(--ink-2); font-size: 13.6px; margin-top: 4px; line-height: 1.8; }

/* ---------------- 成功案例 ---------------- */
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; }
.chip {
  height: 36px; padding: 0 16px; border-radius: 20px;
  font-size: 13.2px; font-weight: 500; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  cursor: pointer; transition: all .2s var(--ease);
}
.chip:hover { border-color: rgba(27, 116, 255, .4); color: var(--blue); }
.chip.on {
  color: #fff; border-color: transparent;
  background: linear-gradient(135deg, #1b74ff, #0a4fc4);
  box-shadow: 0 8px 20px rgba(27, 116, 255, .28);
}

.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease), border-color .26s;
  display: flex; flex-direction: column;
}
.case:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(27, 116, 255, .26); }
.case-thumb {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(150deg, #fbfdff, #eef4fb);
  border-bottom: 1px solid var(--line);
}
.case-thumb img {
  width: 100%; height: 100%; object-fit: contain; padding: 10px;
  transition: transform .5s var(--ease);
}
.case:hover .case-thumb img { transform: scale(1.045); }
.case-thumb .cat {
  position: absolute; left: 12px; top: 12px;
  font-size: 11.5px; font-weight: 600; color: #0b3a86;
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(6px);
  border-radius: 6px; padding: 3px 9px;
  box-shadow: 0 2px 8px rgba(11, 26, 43, .1);
}
.case-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 15.5px; line-height: 1.5; }
.case-body p {
  margin-top: 8px; font-size: 13px; color: var(--muted); line-height: 1.8;
  min-height: 5.4em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.case-more {
  margin-top: auto; padding-top: 14px;
  font-size: 12.5px; color: var(--blue); font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px; align-self: flex-start;
}
.case:hover .case-more { gap: 9px; }

/* 案例详情弹窗 */
.lb {
  position: fixed; inset: 0; z-index: 200;
  display: none; align-items: center; justify-content: center;
  padding: 26px;
  background: rgba(6, 16, 30, .72);
  backdrop-filter: blur(6px);
}
.lb.on { display: flex; }
.lb-box {
  width: min(1020px, 100%); max-height: 90vh; overflow: auto;
  background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg);
  animation: pop .24s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.985); } to { opacity: 1; transform: none; } }
.lb-head { padding: 22px 26px 0; display: flex; gap: 16px; align-items: flex-start; }
.lb-head h3 { font-size: 19px; flex: 1; }
.lb-cat { font-size: 12px; color: var(--blue); background: rgba(27, 116, 255, .1); border-radius: 6px; padding: 3px 9px; flex-shrink: 0; }
.lb-close {
  width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; color: var(--muted); flex-shrink: 0;
  display: grid; place-items: center;
}
.lb-close:hover { background: var(--bg-alt); color: var(--ink); }
.lb-body { padding: 18px 26px 26px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
.lb-gallery { display: grid; gap: 10px; align-content: start; }
.lb-gallery.one { grid-template-columns: 1fr; }
.lb-gallery.two { grid-template-columns: 1fr 1fr; }
.lb-gallery img {
  width: 100%; border-radius: 10px; border: 1px solid var(--line);
  background: linear-gradient(150deg, #fbfdff, #eff4fb);
  max-height: 280px; object-fit: contain; padding: 6px;
}
.lb-gallery.one img { max-height: 400px; }
.lb-meta { display: grid; gap: 14px; }
.lb-meta .row { display: grid; gap: 3px; }
.lb-meta .row b { font-size: 12px; color: var(--blue); font-weight: 600; letter-spacing: .02em; }
.lb-meta .row div { font-size: 13.6px; color: var(--ink-2); line-height: 1.85; }

/* ---------------- 客户 ---------------- */
.clients { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.client {
  height: 92px; border-radius: 12px; background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; padding: 14px 16px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.client:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); border-color: rgba(27,116,255,.24); }
.client img { max-height: 46px; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .82; transition: filter .25s, opacity .25s; }
.client:hover img { filter: none; opacity: 1; }

/* ---------------- 联系 ---------------- */
.contact {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(820px 460px at 88% 0%, rgba(27, 116, 255, .34), transparent 62%),
    linear-gradient(150deg, #061426, #0a2342 58%, #0b2c55);
  padding: 88px 0;
}
.contact::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at 70% 20%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 70% 20%, #000, transparent 72%);
}
.contact .wrap { position: relative; display: grid; grid-template-columns: 1fr .9fr; gap: 56px; align-items: start; }
.contact h2 { font-size: clamp(24px, 2.8vw, 34px); margin-top: 13px; }
.contact .sec-desc { color: rgba(216, 232, 250, .74); }
.contact .kicker { color: #6fc0ff; }

.cinfo { margin-top: 30px; display: grid; gap: 16px; }
.cinfo .item { display: flex; gap: 13px; align-items: flex-start; }
.cinfo .ic {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14);
  color: #7fc8ff;
}
.cinfo .item b { display: block; font-size: 12px; color: rgba(190, 214, 240, .68); font-weight: 500; letter-spacing: .04em; }
.cinfo .item span, .cinfo .item a { font-size: 15px; color: #fff; }
.cinfo .item a:hover { color: #6fc0ff; }
/* 多个电话 / 多个邮箱：电话同行顿号分隔，邮箱每个一行 */
.cinfo .c-multi { display: block; }
.cinfo .c-line { display: block; line-height: 1.75; }
.cinfo .c-sep { color: rgba(190, 214, 240, .5); margin: 0 4px; }
.cinfo .who { font-style: normal; font-size: 13px; color: rgba(190, 214, 240, .82); }

.cta-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px; padding: 26px;
  backdrop-filter: blur(8px);
}
.cta-card h3 { font-size: 17px; margin-bottom: 8px; }
.cta-card p { font-size: 13.5px; color: rgba(214, 231, 250, .74); line-height: 1.85; }
.cta-card .btn { width: 100%; justify-content: center; margin-top: 18px; }
.cta-card .divider { height: 1px; background: rgba(255, 255, 255, .12); margin: 20px 0; }
.oms-box { display: flex; align-items: center; gap: 12px; }
.oms-box .ic2 {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(27,116,255,.9), rgba(10,79,196,.9));
}
.oms-box b { display: block; font-size: 13.5px; }
.oms-box span { font-size: 11.5px; color: rgba(200, 220, 245, .66); }
.oms-link { margin-left: auto; font-size: 12.5px; color: #7fc8ff; display: inline-flex; align-items: center; gap: 5px; }
.oms-link:hover { color: #b8e2ff; }

/* ---------------- 页脚 ---------------- */
.foot { background: #05101f; color: rgba(190, 210, 235, .66); padding: 46px 0 30px; font-size: 13px; }
.foot-top { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; align-items: flex-start; }
.foot-brand { max-width: 380px; }
.foot-brand .brand-logo { height: 32px; }
.foot-brand p { margin-top: 14px; line-height: 1.9; font-size: 12.5px; }
.foot-links { display: flex; gap: 54px; flex-wrap: wrap; }
.foot-col h5 { color: #fff; font-size: 13px; margin: 0 0 12px; font-weight: 600; }
.foot-col a { display: block; color: rgba(190, 210, 235, .66); font-size: 12.5px; padding: 4px 0; }
.foot-col a:hover { color: #fff; }
.foot-bottom {
  margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: rgba(160, 182, 210, .5);
}
.foot-bottom a { color: rgba(160, 182, 210, .62); }
.foot-bottom a:hover { color: #7fc8ff; }
/* ICP 备案号：工信部要求页脚展示，点击跳转工信部备案查询 */
.foot-beian a { color: rgba(160, 182, 210, .5); font-size: 12px; }
.foot-beian a:hover { color: #7fc8ff; }

/* ---------------- 动效 ---------------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .68s var(--ease), transform .68s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 响应式 ---------------- */
/* 公司全称 + 7 项导航要挤在同一行：中等宽度先收字号与内边距，保证名称一字不少 */
@media (max-width: 1200px) {
  .topbar .wrap { gap: 16px; }
  .brand-logo { height: 38px; padding: 5px 10px; }
  .brand-cn { font-size: 14.5px; letter-spacing: .1px; }
  .brand-en { font-size: 9.5px; letter-spacing: .1em; }
  .nav { gap: 0; margin-left: auto; }
  .nav a { padding: 8px 9px; font-size: 13.5px; }
  .btn-oms { padding: 0 9px; font-size: 12px; }
}

@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 720px; justify-self: start; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr 1fr; }
  .clients { grid-template-columns: repeat(4, 1fr); }
  .contact .wrap { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 1160px) {
  .nav { display: none; }
  .burger { display: flex; }
  .topbar.open { background: rgba(255,255,255,.98); backdrop-filter: blur(12px); }
  .topbar.open .brand-cn { color: var(--ink); }
  .topbar.open .brand-en { color: var(--muted); }
  .topbar.open .burger { border-color: var(--line); color: var(--ink); }
  .topbar.open .nav {
    display: flex; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 12px 18px 18px; margin: 0;
    box-shadow: 0 22px 40px rgba(11, 26, 43, .14);
    border-top: 1px solid var(--line);
  }
  .topbar.open .nav a { color: var(--ink-2); padding: 11px 12px; }
  .topbar.open .lang { margin: 8px 0 0; padding: 10px 0 0; border-left: 0; border-top: 1px solid var(--line); align-self: flex-start; }
  .btn-oms .lbl-long { display: none; }
  .btn-oms .lbl-short { display: inline; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 122px 0 66px; }
  .hero-visual .shots { height: 236px; }
  .hero-visual .tag { left: 0; }
  .sec { padding: 66px 0; }
  .tech-grid, .cases { grid-template-columns: 1fr; }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .brand-txt { display: none; }
  .lb { padding: 12px; }
  .lb-gallery.two { grid-template-columns: 1fr 1fr; }
  .lb-body { grid-template-columns: 1fr; gap: 16px; }
  .timeline { grid-template-columns: 1fr; }
}

/* 联系区右卡要点 */
.cta-list { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.cta-list li {
  position: relative; padding-left: 23px;
  font-size: 13px; color: rgba(216, 233, 252, .82); line-height: 1.6;
}
.cta-list li::before {
  content: ''; position: absolute; left: 3px; top: 5px;
  width: 11px; height: 6px;
  border-left: 1.9px solid #38d9c4; border-bottom: 1.9px solid #38d9c4;
  transform: rotate(-45deg);
}

.cinfo-note {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 12.5px; color: rgba(190, 214, 240, .6); line-height: 1.85;
}

/* 交付流程 */
.flow-title { margin: 48px 0 0; font-size: 15px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.flow {
  margin-top: 18px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}
.flow-step {
  position: relative; padding: 20px 18px 18px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.flow-step:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(27,116,255,.24); }
.flow-step .sn {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: 9px; margin-bottom: 12px;
  font-size: 12.5px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, #1b74ff, #0a4fc4);
}
.flow-step b { display: block; font-size: 14.5px; }
.flow-step i { display: block; margin-top: 5px; font-style: normal; font-size: 12px; color: var(--muted); line-height: 1.7; }
@media (max-width: 1080px) { .flow { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .flow { grid-template-columns: 1fr 1fr; } .flow-title { margin-top: 34px; } }