/* ============================================================
   恒创智能装备 — 官网样式表
   说明:全文配色 / 字体 / 圆角 / 间距集中在此,改这一处即可换风格
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 品牌色(取自官方 logo:蓝 #205090 / 橙 #E05020) */
  --c-navy: #123a63;
  --c-navy-2: #17497b;
  --c-navy-3: #1d5b96;
  --c-blue: #205090;
  --c-blue-lt: #e9eff8;
  --c-accent: #e05020;
  --c-accent-dk: #c2410f;

  /* 中性色 */
  --c-ink: #16202c;
  --c-text: #3d4a5c;
  --c-muted: #6b7a8d;
  --c-line: #e2e8f0;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fb;
  --c-bg-soft2: #eef3f8;

  /* 排版 */
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;

  /* 尺寸 */
  --wrap: 1200px;
  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, .06), 0 2px 8px rgba(10, 37, 64, .05);
  --shadow: 0 4px 12px rgba(10, 37, 64, .08), 0 12px 32px rgba(10, 37, 64, .07);
  --shadow-lg: 0 12px 28px rgba(10, 37, 64, .14), 0 28px 64px rgba(10, 37, 64, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 基础重置 ---------- */
* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; color: var(--c-ink); font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
p { margin: 0; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- 3. 布局工具 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sec { padding: 88px 0; }
.sec--soft { background: var(--c-bg-soft); }
.sec--navy { background: var(--c-navy); color: #c6d6e6; }
.sec--navy h2, .sec--navy h3 { color: #fff; }

.sec-head { max-width: 720px; margin: 0 0 48px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .14em;
  color: var(--c-blue); text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--c-accent); }
.sec--navy .eyebrow { color: #7fb4e3; }

.sec-head h2 { font-size: 34px; margin-bottom: 14px; }
.sec-head p { color: var(--c-muted); font-size: 16px; }
.sec--navy .sec-head p { color: #93aec9; }

.grid { display: grid; gap: 24px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 3b. 键盘可达性 ---------- */
:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 3px;
}
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--c-navy); color: #fff;
  padding: 12px 22px; font-size: 14px; font-weight: 600;
  border-radius: 0 0 var(--radius) 0;
}
.skip:focus { left: 0; }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: all .25s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--c-accent); color: #fff; box-shadow: 0 4px 14px rgba(255, 122, 26, .3); }
.btn--primary:hover { background: var(--c-accent-dk); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(255, 122, 26, .38); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .7); }
.btn--outline { background: #fff; color: var(--c-navy); border-color: var(--c-line); }
.btn--outline:hover { border-color: var(--c-blue); color: var(--c-blue); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn--sm { padding: 9px 20px; font-size: 14px; }

/* ---------- 5. 顶部导航 ---------- */
.topbar {
  background: var(--c-navy); color: #8fa9c2; font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.topbar__in { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar__list { display: flex; gap: 22px; }
.topbar b { color: #fff; font-family: var(--font-num); letter-spacing: .02em; }

.hdr {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .3s var(--ease);
}
.hdr.is-stuck { box-shadow: 0 4px 20px rgba(10, 37, 64, .08); }
.hdr__in { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.logo { display: flex; align-items: center; flex: none; }
.logo__img { height: 46px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 10px 13px; font-size: 15px; font-weight: 500;
  color: var(--c-ink); border-radius: var(--radius); transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 3px; height: 2px;
  background: var(--c-accent); transform: scaleX(0); transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav a:hover { color: var(--c-blue); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--c-blue); font-weight: 600; }

.hdr__cta { display: flex; align-items: center; gap: 14px; }
.hdr__tel { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; }
.hdr__tel span { font-size: 11px; color: var(--c-muted); }
.hdr__tel b { font-size: 18px; color: var(--c-navy); font-family: var(--font-num); letter-spacing: .02em; }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--c-line); background: #fff; border-radius: var(--radius); cursor: pointer; }
.burger span { display: block; width: 20px; height: 2px; background: var(--c-navy); margin: 4px auto; transition: .3s var(--ease); }
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 6. 首屏 ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-2) 55%, var(--c-navy-3) 100%);
  color: #d7e5f2;
}
.hero__bg { position: absolute; inset: 0; opacity: .5; pointer-events: none; }
.hero__glow {
  position: absolute; width: 720px; height: 720px; right: -180px; top: -260px;
  background: radial-gradient(circle, rgba(22, 104, 179, .55) 0%, rgba(22, 104, 179, 0) 68%);
  pointer-events: none;
}
.hero__in { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 96px 0 104px; }

.hero__tag {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px;
  font-size: 13px; color: #a9c6e2; background: rgba(255, 255, 255, .05); margin-bottom: 24px;
}
.hero__tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); box-shadow: 0 0 0 4px rgba(255, 122, 26, .2); }

.hero h1 { color: #fff; font-size: 46px; line-height: 1.22; margin-bottom: 22px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--c-accent); }
.hero__sub { font-size: 17px; color: #a9c6e2; max-width: 560px; margin-bottom: 34px; }
.hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__pts { display: flex; gap: 26px; margin-top: 40px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .12); flex-wrap: wrap; }
.hero__pts li { font-size: 14px; color: #93aec9; display: flex; align-items: center; gap: 8px; }
.hero__pts svg { flex: none; }

/* 首屏右侧数据面板 */
.panel {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.panel__t { font-size: 13px; color: #93aec9; letter-spacing: .1em; margin-bottom: 20px; text-transform: uppercase; }
.panel__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 16px; }
.panel__item b { display: block; font-size: 34px; color: #fff; font-family: var(--font-num); line-height: 1; letter-spacing: -.02em; }
.panel__item b i { font-style: normal; font-size: 17px; color: var(--c-accent); margin-left: 3px; }
.panel__item span { font-size: 13px; color: #93aec9; }
.panel__note { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 13px; color: #93aec9; }

/* ---------- 7. 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 32px 28px; transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--c-blue), var(--c-accent));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card__ico {
  width: 52px; height: 52px; border-radius: 10px; display: grid; place-items: center;
  background: var(--c-blue-lt); color: var(--c-blue); margin-bottom: 20px;
}
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--c-muted); }
.card__list { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.card__list li {
  font-size: 12.5px; color: var(--c-blue); background: var(--c-blue-lt);
  padding: 4px 10px; border-radius: 4px;
}

/* ---------- 8. 案例卡片 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filters button {
  padding: 9px 20px; border: 1px solid var(--c-line); background: #fff;
  border-radius: 999px; font-size: 14px; color: var(--c-text); cursor: pointer;
  transition: all .22s var(--ease);
}
.filters button:hover { border-color: var(--c-blue); color: var(--c-blue); }
.filters button.is-on { background: var(--c-navy); border-color: var(--c-navy); color: #fff; font-weight: 600; }

.case {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden;
  transition: all .3s var(--ease);
}
.case:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.case__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--c-navy); }
.case__img svg { width: 100%; height: 100%; display: block; }
.case__cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  font-size: 12px; font-weight: 600; color: #fff;
  background: rgba(10, 37, 64, .78); border: 1px solid rgba(255, 255, 255, .22);
  padding: 4px 11px; border-radius: 4px; backdrop-filter: blur(4px);
}
.case__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case__body h3 { font-size: 18px; margin-bottom: 10px; }
.case__body p { font-size: 14px; color: var(--c-muted); flex: 1; }
.case__meta { display: flex; gap: 16px; margin: 18px 0 16px; padding-top: 16px; border-top: 1px dashed var(--c-line); flex-wrap: wrap; }
.case__meta div { font-size: 12.5px; color: var(--c-muted); }
.case__meta b { display: block; font-size: 15px; color: var(--c-navy); font-family: var(--font-num); }
.case__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--c-blue); }
.case__more svg { transition: transform .25s var(--ease); }
.case:hover .case__more svg { transform: translateX(4px); }

/* ---------- 9. 流程 ---------- */
.steps { counter-reset: s; }
.step { position: relative; padding-left: 68px; padding-bottom: 34px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  counter-increment: s; content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 0; width: 46px; height: 46px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--c-navy); color: #fff; font-family: var(--font-num);
  font-size: 15px; font-weight: 700;
}
.step::after {
  content: ""; position: absolute; left: 23px; top: 52px; bottom: 6px; width: 1px;
  background: linear-gradient(var(--c-line), transparent);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--c-muted); }

/* ---------- 10. 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; }
.tbl th, .tbl td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--c-line); }
.tbl thead th { background: var(--c-bg-soft2); color: var(--c-ink); font-weight: 600; font-size: 14px; }
.tbl tbody tr:hover { background: #fafcfe; }
.tbl td:first-child { color: var(--c-ink); font-weight: 600; }
.tbl--wrap { border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }

/* ---------- 11. CTA 条 ---------- */
.cta {
  background: linear-gradient(120deg, var(--c-navy) 0%, var(--c-navy-3) 100%);
  border-radius: var(--radius-lg); padding: 52px 56px; color: #c6d6e6;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta::after {
  content: ""; position: absolute; right: -80px; bottom: -120px; width: 340px; height: 340px;
  border-radius: 50%; background: radial-gradient(circle, rgba(255, 122, 26, .28), transparent 70%);
}
.cta h2 { color: #fff; font-size: 28px; margin-bottom: 10px; position: relative; }
.cta p { font-size: 15px; color: #93aec9; position: relative; }
.cta .btn { position: relative; }

/* ---------- 12. 页脚 ---------- */
.ft { background: #0c2136; color: #7d94ab; font-size: 14px; padding: 64px 0 0; }
.ft__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; }
.ft h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.ft li { margin-bottom: 11px; }
.ft a:hover { color: var(--c-accent); }
.ft__about p { margin-top: 18px; line-height: 1.85; font-size: 13.5px; }
.ft .logo__img { height: 42px; }
.ft__bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding: 22px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px;
}
.ft__bottom a:hover { color: var(--c-accent); }
.ft__legal { display: inline-flex; flex-wrap: wrap; gap: 4px 18px; align-items: center; }
.ft__legal a { color: inherit; }
.ft__legal a:hover { color: #fff; }

/* ---------- 13. 页面头部(内页) ---------- */
.phead {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-3) 100%);
  color: #a9c6e2; padding: 64px 0 60px; position: relative; overflow: hidden;
}
.phead::after {
  content: ""; position: absolute; right: -100px; top: -140px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(22, 104, 179, .5), transparent 68%);
}
.phead__in { position: relative; }
.phead h1 { color: #fff; font-size: 36px; margin-bottom: 14px; }
.phead p { max-width: 640px; font-size: 15.5px; }
.crumb { font-size: 13px; color: #7d9ab8; margin-bottom: 18px; }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; opacity: .5; }

/* ---------- 14. 图文两栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split--rev .split__txt { order: 2; }
.split__txt h2 { font-size: 30px; margin-bottom: 18px; }
.split__txt p { color: var(--c-muted); margin-bottom: 16px; }
.split__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); background: var(--c-navy); }

.chk { margin-top: 22px; display: grid; gap: 12px; }
.chk li { display: flex; gap: 10px; font-size: 14.5px; color: var(--c-text); }
.chk svg { flex: none; margin-top: 4px; }

/* ---------- 15. 数字条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.stats div { background: #fff; padding: 32px 24px; text-align: center; }
.stats b { display: block; font-size: 40px; color: var(--c-navy); font-family: var(--font-num); line-height: 1; letter-spacing: -.02em; }
.stats b i { font-style: normal; font-size: 18px; color: var(--c-accent); }
.stats span { font-size: 14px; color: var(--c-muted); }

/* ---------- 16. 表单 ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--c-ink); }
.field label i { color: var(--c-accent); font-style: normal; }
.field input, .field textarea, .field select {
  padding: 12px 14px; border: 1px solid var(--c-line); border-radius: var(--radius);
  background: #fff; color: var(--c-ink); transition: all .2s var(--ease); outline: none;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--c-blue); box-shadow: 0 0 0 3px rgba(22, 104, 179, .12);
}
.field .err { font-size: 12.5px; color: #d9483b; display: none; }
.field.is-bad input, .field.is-bad textarea { border-color: #d9483b; }
.field.is-bad .err { display: block; }
.form__ok {
  display: none; padding: 14px 18px; border-radius: var(--radius);
  background: #e8f6ee; color: #1c7a4a; border: 1px solid #b6e0c8; font-size: 14.5px;
}
.form__ok.is-on { display: block; }
.form__ok.is-err { background: #fdecea; color: #b3261e; border-color: #f3c4c0; }
.form__ok a { color: inherit; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.form__ok a:hover { text-decoration-thickness: 2px; }

/* ---------- 17. 联系信息块 ---------- */
.cinfo { display: grid; gap: 20px; }
.cinfo__item { display: flex; gap: 16px; padding: 22px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); }
.cinfo__ico { width: 44px; height: 44px; flex: none; border-radius: 10px; background: var(--c-blue-lt); color: var(--c-blue); display: grid; place-items: center; }
.cinfo__item h4 { font-size: 15px; margin-bottom: 5px; }
.cinfo__item p { font-size: 14px; color: var(--c-muted); }
.cinfo__item b { color: var(--c-navy); font-family: var(--font-num); font-size: 16px; }

.mapbox { border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; background: var(--c-bg-soft2); }

/* ---------- 18. 新闻 / 动态 ---------- */
.news-list { display: grid; gap: 16px; }
.news-item {
  display: flex; gap: 28px; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  padding: 26px 30px; transition: all .3s var(--ease);
}
.news-item:hover { transform: translateX(5px); box-shadow: var(--shadow); border-color: transparent; }
.news-date {
  flex: none; width: 92px; text-align: center; padding-right: 26px;
  border-right: 1px solid var(--c-line);
}
.news-date b { display: block; font-family: var(--font-num); font-size: 28px; color: var(--c-navy); line-height: 1.05; letter-spacing: -.02em; }
.news-date span { font-size: 12.5px; color: var(--c-muted); font-family: var(--font-num); }
.news-item__body { flex: 1; min-width: 0; }
.news-item__body h3 { font-size: 18px; margin-bottom: 9px; line-height: 1.55; }
.news-item__body p { font-size: 14.5px; color: var(--c-muted); }
.news-item:hover h3 { color: var(--c-blue); }
.news-tag {
  display: inline-block; font-size: 12px; font-weight: 600; color: var(--c-blue);
  background: var(--c-blue-lt); padding: 3px 10px; border-radius: 4px; margin-bottom: 12px;
}
.news-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--c-blue); }

/* 新闻卡片(首页) */
.news-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 26px;
  transition: all .3s var(--ease); height: 100%;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.news-card:hover h3 { color: var(--c-blue); }
.news-card h3 { font-size: 17px; line-height: 1.55; margin-bottom: 10px; }
.news-card p { font-size: 14px; color: var(--c-muted); flex: 1; }
.news-card__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--c-line); font-size: 13px; color: var(--c-muted); font-family: var(--font-num); }

/* 文章正文 */
.article { max-width: 820px; margin: 0 auto; }
.article__meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding-bottom: 22px; margin-bottom: 30px; border-bottom: 1px solid var(--c-line);
  font-size: 14px; color: var(--c-muted);
}
.article p { font-size: 16.5px; line-height: 1.95; margin-bottom: 20px; color: var(--c-text); }
.article p:first-of-type { font-size: 17.5px; color: var(--c-ink); }
.article__foot {
  margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--c-line);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}

/* ---------- 19. 案例详情 ---------- */
.detail__head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.spec { background: var(--c-bg-soft); border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.spec__t { padding: 16px 22px; background: var(--c-navy); color: #fff; font-size: 15px; font-weight: 600; }
.spec dl { margin: 0; padding: 8px 22px 18px; }
.spec dt { font-size: 12.5px; color: var(--c-muted); margin-top: 16px; }
.spec dd { margin: 4px 0 0; font-size: 15px; color: var(--c-ink); font-weight: 600; }
.quote { border-left: 3px solid var(--c-accent); padding: 4px 0 4px 22px; margin: 30px 0; }
.quote p { font-size: 16px; color: var(--c-ink); font-style: italic; }
.quote cite { display: block; margin-top: 10px; font-size: 13.5px; color: var(--c-muted); font-style: normal; }

/* ---------- 19. 移动端 ---------- */
@media (max-width: 1080px) {
  .ft__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hdr__tel { display: none; }
  .hero__in { grid-template-columns: 1fr; gap: 44px; padding: 72px 0 80px; }
  .hero h1 { font-size: 38px; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .detail__head { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 74px 0 auto; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--c-line); padding: 12px 20px 20px;
    gap: 2px; box-shadow: var(--shadow); display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 12px; border-bottom: 1px solid var(--c-bg-soft2); border-radius: 0; }
  .nav a::after { display: none; }
  .nav a.is-active { color: var(--c-blue); background: var(--c-blue-lt); }
  .burger { display: block; }
  .logo__img { height: 38px; }
  .hdr__tel { display: none; }
  .topbar__list li:nth-child(2) { display: none; }
  .g3, .g2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split--rev .split__txt { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .sec { padding: 64px 0; }
  .sec-head h2 { font-size: 27px; }
  .cta { padding: 38px 30px; }
  .cta h2 { font-size: 23px; }
  .phead h1 { font-size: 28px; }
  .form__row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 30px; }
  .hero__sub { font-size: 15.5px; }
  .g4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .ft__grid { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 24px; }
  .topbar { display: none; }
  .nav { inset: 74px 0 auto; }
  .btn { width: 100%; }
  .hero__btns { flex-direction: column; }
  .card { padding: 26px 22px; }
}

/* ---------- 20. 动效 ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }

/* ---------- 21. 发展历程时间线 ---------- */
.tl { margin: 0; }
.tl__item { display: grid; grid-template-columns: 110px 1fr; gap: 26px; padding-bottom: 34px; }
.tl__item:last-child { padding-bottom: 0; }
.tl__year { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--c-blue); line-height: 1.4; }
.tl__body { position: relative; border-left: 2px solid var(--c-line); padding: 0 0 4px 26px; }
.tl__body::before {
  content: ""; position: absolute; left: -8px; top: 7px; width: 14px; height: 14px;
  border-radius: 50%; background: #fff; border: 3px solid var(--c-accent);
}
.tl__body h3 { font-size: 17px; margin-bottom: 6px; }
.tl__body p { font-size: 14.5px; color: var(--c-muted); }

/* ---------- 22. 优势列表 ---------- */
.adv { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.adv__item { background: #fff; padding: 26px 28px; display: flex; gap: 18px; }
.adv__num { font-family: var(--font-num); font-size: 15px; font-weight: 700; color: var(--c-accent); flex: none; padding-top: 2px; }
.adv__item h4 { font-size: 16.5px; margin-bottom: 7px; }
.adv__item p { font-size: 14.5px; color: var(--c-muted); }

/* ---------- 23. 联系页补充 ---------- */
.cgrid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.formbox { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 36px; }
.formbox h3 { font-size: 21px; margin-bottom: 8px; }
.formbox > p { font-size: 14.5px; color: var(--c-muted); margin-bottom: 26px; }

@media (max-width: 900px) {
  .cgrid { grid-template-columns: 1fr; gap: 34px; }
  .formbox { padding: 26px 22px; }
  .tl__item { grid-template-columns: 1fr; gap: 8px; }
  .tl__year { font-size: 19px; }
}

@media (max-width: 560px) {
  .news-item { flex-direction: column; gap: 16px; padding: 22px; }
  .news-date { width: auto; text-align: left; padding: 0 0 12px; border-right: 0; border-bottom: 1px solid var(--c-line); display: flex; align-items: baseline; gap: 10px; }
  .news-date b { font-size: 22px; }
}

/* ---------- 24. 首页软件产品卡片 ---------- */
.swcard {
  display: flex; flex-direction: column;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.swcard::before {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--c-accent), #ff9a63);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.swcard:hover { transform: translateY(-4px); background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .28); }
.swcard:hover::before { transform: scaleX(1); }
.swcard__ico {
  width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .1); color: #8fc0ec; margin-bottom: 18px;
}
.swcard h3 { font-size: 17px; color: #fff; margin-bottom: 10px; line-height: 1.45; }
.swcard p { font-size: 14px; color: #93aec9; flex: 1; }
.swcard__pts { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.swcard__pts li {
  font-size: 12px; color: #a9c6e2; background: rgba(255, 255, 255, .08);
  padding: 3px 9px; border-radius: 4px;
}
.swcard__more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 13.5px; font-weight: 600; color: #ff8552;
}
.swcard__more svg { transition: transform .25s var(--ease); }
.swcard:hover .swcard__more svg { transform: translateX(4px); }

/* ---------- 25. 资质证书 ---------- */
.cert {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden;
  transition: all .3s var(--ease);
}
.cert:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.cert__img { aspect-ratio: 4 / 3; background: var(--c-bg-soft2); border-bottom: 1px solid var(--c-line); }
.cert__img svg { width: 100%; height: 100%; display: block; }
.cert__body { padding: 20px 22px; }
.cert__body h3 { font-size: 16px; margin-bottom: 6px; }
.cert__body p { font-size: 13.5px; color: var(--c-muted); }

/* ---------- 25b. 子栏目入口卡 ---------- */
.entry {
  display: block; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 26px 24px;
  transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.entry::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: linear-gradient(90deg, var(--c-blue), var(--c-accent));
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.entry:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.entry:hover::after { transform: scaleX(1); }
.entry:hover h3 { color: var(--c-blue); }
.entry h3 { font-size: 17px; margin-bottom: 8px; transition: color .2s; }
.entry p { font-size: 13.5px; color: var(--c-muted); }
.entry__more {
  display: inline-flex; align-items: center; gap: 5px; margin-top: 14px;
  font-size: 13px; font-weight: 600; color: var(--c-blue);
}
.entry__more svg { transition: transform .25s var(--ease); }
.entry:hover .entry__more svg { transform: translateX(4px); }

/* ---------- 25c. 服务行业卡(深色区块内) ---------- */
.ind {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg); padding: 26px 24px;
  transition: all .3s var(--ease);
}
.ind:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .3); }
.ind h3 { font-size: 17px; color: #fff; margin-bottom: 10px; }
.ind p { font-size: 14px; color: #93aec9; }
.ind__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.ind__tags li {
  font-size: 12px; color: #a9c6e2; background: rgba(255, 255, 255, .08);
  padding: 3px 9px; border-radius: 4px;
}

/* ---------- 25d. 合作客户墙 ---------- */
.clients {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin-top: 34px;
}
.clients > div {
  display: grid; place-items: center; min-height: 76px; padding: 14px 12px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  font-size: 16px; font-weight: 600; color: var(--c-navy); letter-spacing: .5px;
  text-align: center; transition: all .3s var(--ease);
}
.clients > div:hover {
  transform: translateY(-3px); border-color: var(--c-navy);
  box-shadow: 0 10px 26px rgba(15, 40, 80, .1);
}
@media (max-width: 900px) { .clients { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) {
  .clients { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .clients > div { min-height: 62px; font-size: 14px; }
}

/* ---------- 26. 回到顶部 ---------- */
.totop {
  position: fixed; right: 24px; bottom: 28px; z-index: 70;
  width: 46px; height: 46px; border-radius: 50%; padding: 0;
  border: 1px solid var(--c-line); background: #fff; color: var(--c-navy);
  display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease),
              background .2s, color .2s, border-color .2s, visibility .3s;
}
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--c-navy); color: #fff; border-color: var(--c-navy); }

@media (max-width: 560px) {
  .totop { right: 14px; bottom: 18px; width: 42px; height: 42px; }
}

/* ---------- 27. 打印 ---------- */
@media print {
  .topbar, .hdr, .ft, .cta, .burger { display: none !important; }
  body { color: #000; }
  .rv { opacity: 1 !important; transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}