/* ==========================================================================
   固浦自动化 GUPU — 工业蓝品牌样式系统
   ========================================================================== */

:root {
  /* 品牌色：工业蓝体系 */
  --navy: #0a1442;
  --navy-2: #12205f;
  --blue-deep: #0f2ea3;
  --blue: #143cd5;
  --blue-bright: #5b7aef;
  --blue-light: #eceffc;
  --steel-50: #f4f7fa;
  --steel-100: #e9eef3;
  --steel-200: #dbe3ea;
  --steel-400: #94a3b3;
  --steel-600: #5c6b7a;
  --ink: #14202c;
  --ink-soft: #45525f;
  --gold: #d99b2b;
  --gold-light: #fbeed7;
  --white: #ffffff;
  --danger: #c0392b;
  --ok: #1c8a4b;

  --radius: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(10, 32, 58, .08);
  --shadow-md: 0 8px 24px rgba(10, 32, 58, .10);
  --shadow-lg: 0 20px 48px rgba(10, 32, 58, .16);
  --container: 1200px;
  --header-h: 84px;

  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.num {
  font-family: "Arial Narrow", "PingFang SC", sans-serif;
  font-weight: 600;
}

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--navy);
  color: #b9c8d8;
  font-size: 13px;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
}
.topbar-links { display: flex; gap: 22px; }
.topbar-links a:hover { color: var(--white); }
.topbar-contact { display: flex; gap: 24px; }
.topbar-contact span { color: #7f95ab; margin-right: 6px; }
.topbar-contact strong { color: var(--white); font-weight: 500; letter-spacing: .3px; }

/* ---------- 主导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--white);
  border-bottom: 1px solid var(--steel-200);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 60px; width: auto; }
.brand-text { line-height: 1.3; }
.brand-text .cn { font-size: 18px; font-weight: 700; color: var(--navy-2); letter-spacing: .5px; }
.brand-text .en { font-size: 11px; color: var(--steel-400); letter-spacing: 2px; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 2px; height: 100%; }
.main-nav > li { position: relative; height: 100%; }
.main-nav > li > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  transition: color .2s;
}
.main-nav > li > a::after {
  content: '';
  position: absolute;
  left: 20px; right: 20px; bottom: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.main-nav > li > a:hover,
.main-nav > li.active > a { color: var(--blue-deep); }
.main-nav > li > a:hover::after,
.main-nav > li.active > a::after { transform: scaleX(1); }

.main-nav .caret { font-size: 10px; margin-left: 5px; opacity: .55; transition: transform .2s; }
.main-nav li:hover .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: var(--white);
  border-top: 3px solid var(--blue);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all .2s ease;
  border-radius: 0 0 var(--radius) var(--radius);
}
.main-nav li:hover .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 22px;
  font-size: 14.5px;
  color: var(--ink-soft);
  border-left: 3px solid transparent;
}
.dropdown a:hover { background: var(--blue-light); color: var(--blue-deep); border-left-color: var(--blue); }
.dropdown a .count { font-size: 12px; color: var(--steel-400); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-tel { text-align: right; }
.header-tel .label { font-size: 11px; color: var(--steel-400); }
.header-tel .value { font-size: 17px; font-weight: 700; color: var(--blue-deep); font-family: "Arial Narrow", "PingFang SC", sans-serif; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--navy-2); display: block; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 10px 24px rgba(20,60,213,.30); }
.btn-primary:hover { background: var(--blue-deep); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(20,60,213,.38); }
.btn-outline { border-color: rgba(255,255,255,.55); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-ghost { border-color: var(--steel-200); color: var(--navy-2); background: var(--white); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue-deep); }
.btn-sm { padding: 9px 20px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ---------- 通用版块 ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--steel-50); }
.section-navy { background: var(--navy); color: #cfd9e3; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--blue);
  text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--blue); }
.sec-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.sec-head.left { margin: 0 0 46px; text-align: left; max-width: none; }
.sec-title { font-size: 34px; font-weight: 800; color: var(--navy-2); margin-top: 12px; letter-spacing: .5px; }
.section-navy .sec-title { color: var(--white); }
.sec-desc { margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; }
.section-navy .sec-desc { color: #a9bbcc; }

/* ---------- Hero（内页通用） ---------- */
.page-hero {
  position: relative;
  padding: 64px 0 40px;
  background: linear-gradient(120deg, var(--navy) 0%, var(--blue-deep) 100%);
  color: var(--white);
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(7,28,52,.55), rgba(7,28,52,.72)),
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, transparent 2px 34px);
  z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-size: 13.5px; color: #9fb4c8; margin-bottom: 16px; display: flex; gap: 8px; }
.breadcrumb a:hover { color: var(--white); }
.page-hero h1 { font-size: 38px; font-weight: 800; letter-spacing: .5px; }
.page-hero .sub { margin-top: 12px; color: #c3d2e0; font-size: 15.5px; max-width: 620px; }

/* ---------- 首页大banner（分栏版：左实色文字区 + 右整洁产品图） ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 46% 54%;
  min-height: 600px;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 1;
  padding: 64px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-copy::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(120deg, rgba(255,255,255,.025) 0 1px, transparent 1px 46px);
  pointer-events: none;
}
.hero-media { position: relative; overflow: hidden; }
.hero-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 68% center; }
.hero-media::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg,
    var(--navy) 0%,
    rgba(10,20,66,.92) 10%,
    rgba(10,20,66,.68) 20%,
    rgba(10,20,66,.38) 30%,
    rgba(10,20,66,.16) 42%,
    rgba(10,20,66,0) 56%);
}
.hero-badge {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 24px;
  width: fit-content;
}
.hero-badge b { background: var(--blue); padding: 3px 10px; border-radius: 999px; font-size: 11px; letter-spacing: 1px; }
.hero h1 { position: relative; z-index: 1; font-size: 42px; font-weight: 800; line-height: 1.28; letter-spacing: .5px; }
.hero h1 em { color: #7b96ff; font-style: normal; }
.hero .desc { position: relative; z-index: 1; margin-top: 18px; font-size: 15.5px; color: #c3cee3; max-width: 480px; line-height: 1.85; }
.hero-tagline {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 12px;
  margin-top: 22px; padding: 13px 20px;
  background: rgba(255,255,255,.06); border-left: 3px solid var(--blue-bright);
  border-radius: 4px; font-size: 13.5px; color: #dfe7f7;
  max-width: 480px;
}
.hero-actions { position: relative; z-index: 1; display: flex; gap: 16px; margin-top: 32px; }
.hero-stats {
  position: relative; z-index: 1;
  display: flex; flex-wrap: nowrap; gap: 0;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 24px;
  max-width: 100%;
}
.hero-stats div { flex: 1 1 0; min-width: 0; padding-right: 12px; }
.hero-stats .n { font-size: 24px; font-weight: 700; color: var(--white); white-space: nowrap; }
.hero-stats .n span { color: #7b96ff; }
.hero-stats .l { font-size: 11.5px; color: #93a2bc; margin-top: 4px; letter-spacing: .2px; }
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media { min-height: 280px; order: -1; }
  .hero-media::before { background: linear-gradient(180deg, rgba(10,20,66,0) 70%, var(--navy) 100%); }
  .hero-copy { padding: 44px 28px; }
}

/* ---------- 资质/信任条 ---------- */
.trust-strip { background: var(--white); border-bottom: 1px solid var(--steel-200); }
.trust-strip .container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 24px; flex-wrap: wrap; gap: 18px;
}
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--ink-soft); }
.trust-item .ic { color: var(--blue); font-size: 18px; }

/* ---------- 优势卡片 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}
.adv-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.adv-card .no {
  font-size: 42px; font-weight: 700; color: var(--steel-100);
  position: absolute; top: 10px; right: 18px; line-height: 1;
}
.adv-card .ic {
  width: 52px; height: 52px; border-radius: 12px;
  background: var(--blue-light); color: var(--blue-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 20px; position: relative; z-index: 1;
}
.adv-card h3 { font-size: 17.5px; font-weight: 700; color: var(--navy-2); position: relative; z-index: 1; }
.adv-card p { margin-top: 10px; font-size: 13.8px; color: var(--ink-soft); position: relative; z-index: 1; }

/* ---------- 产品卡片 ---------- */
.tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.tabs a {
  padding: 11px 26px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  border: 1.5px solid var(--steel-200); color: var(--ink-soft); transition: all .2s;
}
.tabs a:hover, .tabs a.active { background: var(--blue); border-color: var(--blue); color: var(--white); }

.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.prod-card {
  background: var(--white); border: 1px solid var(--steel-200); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .25s ease;
}
.prod-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--steel-200); }
.prod-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--steel-100); position: relative; }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.prod-card:hover .prod-thumb img { transform: scale(1.07); }
.prod-thumb::after {
  content: ''; position: absolute; left: 12px; top: 40px; z-index: 2;
  width: 38px; height: 29px;
  background: url('../img/logo.png') no-repeat center / contain;
  opacity: .92; filter: drop-shadow(0 1px 3px rgba(0,0,0,.5)); pointer-events: none;
}
.prod-thumb-icon {
  aspect-ratio: 4/3; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--steel-100) 100%);
}
.prod-thumb-icon::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(11,61,120,.05) 0 1px, transparent 1px 22px);
}
.prod-thumb-icon .ic-wrap {
  position: relative; z-index: 1;
  width: 72px; height: 72px; border-radius: 18px;
  background: var(--white); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-deep); transition: transform .3s ease;
}
.prod-card:hover .prod-thumb-icon .ic-wrap { transform: scale(1.08); }
.prod-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(7,28,52,.72); color: #fff; font-size: 11.5px;
  padding: 4px 10px; border-radius: 999px; letter-spacing: .5px;
}
.prod-body { padding: 18px 20px 22px; }
.prod-body h3 { font-size: 15.5px; font-weight: 700; color: var(--navy-2); }
.prod-body p { margin-top: 8px; font-size: 13px; color: var(--ink-soft); line-height: 1.6; min-height: 42px; }
.prod-link {
  margin-top: 14px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; color: var(--blue-deep);
  padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--blue-light);
  background: var(--blue-light); transition: all .2s ease;
}
.prod-link:hover { gap: 9px; background: var(--blue); border-color: var(--blue); color: #fff; }

.section-cta {
  margin-top: 50px; text-align: center; padding: 8px;
}

/* ---------- 关于我们 首页版块 ---------- */
.about-flex { display: flex; gap: 64px; align-items: center; }
.about-media { flex: 0 0 44%; position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-media .badge-box {
  position: absolute; bottom: -26px; right: -26px;
  background: var(--blue-deep); color: var(--white);
  padding: 22px 26px; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  text-align: center; min-width: 140px;
}
.about-media .badge-box .n { font-size: 30px; font-weight: 800; }
.about-media .badge-box .l { font-size: 12px; color: #bcd4ee; margin-top: 4px; }
.about-copy { flex: 1; }
.about-copy h2 { font-size: 30px; font-weight: 800; color: var(--navy-2); line-height: 1.4; }
.about-copy .lead { margin-top: 18px; font-size: 15.5px; color: var(--ink-soft); }
.about-list { margin-top: 26px; display: grid; gap: 14px; }
.about-list li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink); align-items: flex-start; }
.about-list li .ck {
  flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--blue);
  color: #fff; font-size: 12px; display: flex; align-items: center; justify-content: center; margin-top: 2px;
}

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
}
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.case-card:hover img { transform: scale(1.08); }
.case-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,20,38,.92) 0%, rgba(6,20,38,.15) 55%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 22px;
}
.case-overlay .tag { font-size: 11.5px; color: #7b96ff; letter-spacing: 1px; font-weight: 700; }
.case-overlay h3 { color: var(--white); font-size: 16.5px; font-weight: 700; margin-top: 6px; }
.case-overlay p { color: #c6d5e3; font-size: 12.8px; margin-top: 6px; }

/* ---------- 主打产品聚焦 Spotlight ---------- */
.spotlight {
  display: grid; grid-template-columns: 1.15fr .85fr;
  border-radius: 22px; overflow: hidden; background: var(--navy);
  margin-bottom: 30px; box-shadow: var(--shadow-lg);
}
.spotlight-media { position: relative; min-height: 440px; overflow: hidden; }
.spotlight-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.spotlight-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 55%, rgba(7,28,52,.85) 100%);
}
.spotlight-copy {
  padding: 54px 52px; color: #fff; display: flex; flex-direction: column; justify-content: center;
  position: relative;
}
.spotlight-copy::before {
  content: '主打'; position: absolute; top: -6px; right: 30px; font-size: 130px; font-weight: 800;
  color: rgba(255,255,255,.04); line-height: 1; font-family: "Arial Narrow", "PingFang SC", sans-serif; pointer-events: none;
}
.spotlight-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 2px;
  color: #7b96ff; text-transform: uppercase; margin-bottom: 18px;
}
.spotlight-badge::before { content: ''; width: 22px; height: 2px; background: #7b96ff; }
.spotlight-copy h3 { font-size: 30px; font-weight: 800; line-height: 1.35; position: relative; z-index: 1; }
.spotlight-copy .desc { margin-top: 16px; font-size: 14.5px; color: #b9cbdd; line-height: 1.8; position: relative; z-index: 1; max-width: 460px; }
.spotlight-feats { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; position: relative; z-index: 1; }
.spotlight-feats span {
  font-size: 12.5px; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.22); color: #dce7f1;
}
.spotlight-copy .actions { margin-top: 30px; position: relative; z-index: 1; }

/* ---------- 产品分类切换卡（六大分类统一用真实图切换，不做图标模式） ---------- */
.switcher-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.switcher-tab {
  padding: 11px 26px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  border: 1.5px solid var(--steel-200); background: var(--white); color: var(--ink-soft);
  cursor: pointer; transition: all .2s ease; font-family: inherit;
}
.switcher-tab:hover { border-color: var(--blue); color: var(--blue-deep); }
.switcher-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.switcher-panels { position: relative; }
.switcher-panel {
  display: none; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--steel-200); box-shadow: var(--shadow-md); background: var(--white);
}
.switcher-panel.active { display: block; }

/* 分类下方的单品小格：复用 products.html 的 prod-card 卡片样式，静态网格一排3个 */
.switcher-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 32px; }
@media (max-width: 900px) {
  .switcher-products { grid-template-columns: repeat(2, 1fr); padding: 24px 28px; }
}
@media (max-width: 560px) {
  .switcher-tabs { gap: 8px; }
  .switcher-tab { padding: 9px 18px; font-size: 13px; }
  .switcher-products { grid-template-columns: 1fr; }
}

/* ---------- 案例瀑布流 Bento ---------- */
.case-bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 190px; gap: 20px; }
.case-bento .case-card { position: relative; grid-column: span 1; grid-row: span 1; }
.case-bento .case-card.lg { grid-column: span 2; grid-row: span 2; }
.case-bento .case-card.lg .case-overlay h3 { font-size: 20px; }
.case-bento .case-card.lg .case-overlay p { font-size: 13.5px; }
@media (max-width: 860px) {
  .case-bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .case-bento .case-card.lg { grid-column: span 2; grid-row: span 2; }
}

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.news-card {
  display: flex; gap: 22px; background: var(--white); border: 1px solid var(--steel-200);
  border-radius: var(--radius-lg); padding: 22px; transition: all .2s ease;
}
.news-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); }
.news-date {
  flex: none; width: 74px; height: 74px; border-radius: var(--radius);
  background: var(--blue-light); color: var(--blue-deep);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.news-date .d { font-size: 24px; font-weight: 800; line-height: 1; }
.news-date .m { font-size: 11.5px; margin-top: 4px; }
.news-body h3 { font-size: 16px; font-weight: 700; color: var(--navy-2); line-height: 1.5; }
.news-body p { margin-top: 8px; font-size: 13.3px; color: var(--ink-soft); }
.news-body .more { margin-top: 10px; font-size: 12.5px; color: var(--blue); font-weight: 600; display: inline-block; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--steel-200); border-radius: var(--radius); background: var(--white); overflow: hidden; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer; font-weight: 600; font-size: 15px; color: var(--navy-2);
}
.faq-q .plus { color: var(--blue); font-size: 18px; transition: transform .25s; }
.faq-item.open .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 24px 20px; color: var(--ink-soft); font-size: 13.8px; }
.faq-item.open .faq-a { max-height: 220px; }

/* ---------- 新闻 & FAQ 高端版（编辑室列表 + 深色FAQ面板） ---------- */
.news-insight-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: start; }
.editorial-list { display: flex; flex-direction: column; }
.editorial-item {
  display: flex; gap: 26px; padding: 30px 0 30px 26px; position: relative;
  border-bottom: 1px solid var(--steel-200);
}
.editorial-list a.editorial-item:first-child { padding-top: 2px; }
.editorial-item::before {
  content: ''; position: absolute; left: 0; top: 30px; bottom: 30px; width: 3px;
  background: var(--blue); transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
}
.editorial-item:hover::before { transform: scaleY(1); }
.ed-date { flex: none; width: 84px; }
.ed-date .d {
  display: block; font-family: "Arial Narrow", "PingFang SC", sans-serif; font-size: 40px; font-weight: 700;
  color: var(--navy-2); line-height: 1; transition: color .25s ease;
}
.editorial-item:hover .ed-date .d { color: var(--blue); }
.ed-date .m { display: block; margin-top: 8px; font-size: 12px; color: var(--steel-400); letter-spacing: 1px; }
.ed-body { flex: 1; padding-top: 2px; }
.ed-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--blue); text-transform: uppercase; margin-bottom: 10px;
}
.ed-body h3 { font-size: 18px; font-weight: 700; color: var(--navy-2); line-height: 1.5; transition: color .2s ease; }
.editorial-item:hover .ed-body h3 { color: var(--blue-deep); }
.ed-body p { margin-top: 10px; font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }
.ed-more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 12.5px; font-weight: 700; color: var(--blue); transition: gap .2s ease;
}
.editorial-item:hover .ed-more { gap: 10px; }
.editorial-foot { margin-top: 28px; }

.faq-panel {
  position: relative;
  padding: 6px 0 0 40px;
  border-left: 1px solid var(--steel-200);
}
.faq-panel-head { margin-bottom: 24px; }
.faq-panel-head h3 { margin-top: 12px; font-size: 22px; font-weight: 800; color: var(--navy-2); }
.faq-panel .faq-list { display: grid; gap: 0; max-width: none; margin: 0; }
.faq-panel .faq-item { background: transparent; border: none; border-radius: 0; border-bottom: 1px solid var(--steel-200); }
.faq-panel .faq-item:last-child { border-bottom: none; }
.faq-panel .faq-q { padding: 18px 0; gap: 14px; }
.faq-panel .faq-q .qn {
  flex: none; width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid var(--blue);
  display: inline-flex; align-items: center; justify-content: center; font-size: 10.5px; font-weight: 700;
  color: var(--blue); margin-right: 12px;
}
.faq-panel .faq-q > span:not(.plus):not(.qn) { color: var(--navy-2); font-size: 14.3px; font-weight: 600; }
.faq-panel .faq-q .plus { color: var(--blue); }
.faq-panel .faq-a p { padding: 0 0 18px 36px; color: var(--ink-soft); }
.faq-panel-cta {
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--steel-200);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq-panel-cta span { font-size: 12.5px; color: var(--steel-400); }
@media (max-width: 900px) {
  .faq-panel { padding-left: 0; border-left: none; border-top: 1px solid var(--steel-200); padding-top: 36px; margin-top: 8px; }
}
@media (max-width: 900px) {
  .news-insight-grid { grid-template-columns: 1fr; }
}

/* ---------- CTA 版块 ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--navy) 0%, var(--blue-deep) 100%);
  color: var(--white); border-radius: var(--radius-lg);
  padding: 56px 60px; display: flex; align-items: center; justify-content: space-between; gap: 30px;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(120deg, rgba(255,255,255,.04) 0 1px, transparent 1px 40px);
}
.cta-band .txt { position: relative; z-index: 1; }
.cta-band h3 { font-size: 26px; font-weight: 800; }
.cta-band p { margin-top: 10px; color: #bcd0e2; font-size: 14.5px; }
.cta-band .actions { position: relative; z-index: 1; display: flex; gap: 14px; flex: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #93a7ba; padding-top: 68px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .brand-text .cn { color: var(--white); }
.footer-brand img { height: 50px; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: .92; }
.footer-brand p { margin-top: 14px; font-size: 13.3px; line-height: 1.9; color: #8ea0b3; max-width: 300px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social span {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; font-size: 13px;
}
.footer-col h4 { color: var(--white); font-size: 14.5px; font-weight: 700; margin-bottom: 20px; letter-spacing: .5px; }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { font-size: 13.5px; color: #93a7ba; }
.footer-col a:hover { color: var(--white); }
.footer-contact li { display: flex; gap: 10px; font-size: 13.3px; margin-bottom: 14px; color: #93a7ba; align-items: flex-start; }
.footer-contact .ic { color: #7b96ff; flex: none; margin-top: 2px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; font-size: 12.5px; color: #6c7f92; flex-wrap: wrap; gap: 10px;
}
.footer-bottom a:hover { color: #cfd9e3; }

/* ---------- 悬浮工具 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 300;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue-deep); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .25s ease; cursor: pointer; border: none; font-size: 18px;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.float-side {
  position: fixed; right: 26px; top: 50%; transform: translateY(-50%); z-index: 300;
  display: flex; flex-direction: column; gap: 10px;
}
.float-side a, .float-side .ftel {
  width: 52px; height: 52px; border-radius: 12px; background: var(--white); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center; color: var(--blue-deep); font-size: 20px;
  border: 1px solid var(--steel-200); position: relative;
}
.float-side .ftel:hover .tip { opacity: 1; visibility: visible; transform: translateX(0); }
.float-side .tip {
  position: absolute; right: 62px; top: 0; background: var(--navy-2); color: #fff; white-space: nowrap;
  padding: 10px 16px; border-radius: 6px; font-size: 13px; opacity: 0; visibility: hidden;
  transform: translateX(6px); transition: all .2s;
}

/* ---------- 通用内容元素 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: all .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }

.stat-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat-row .item { padding: 30px 10px; }
.stat-row .n { font-size: 38px; font-weight: 800; color: var(--blue-deep); }
.stat-row .n span { font-size: 20px; }
.stat-row .l { margin-top: 8px; font-size: 13.5px; color: var(--ink-soft); }
.stat-row-framed { border-top: 1px solid var(--steel-200); border-bottom: 1px solid var(--steel-200); }
.stat-row-framed .item { position: relative; }
.stat-row-framed .item:not(:first-child)::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 40px; background: var(--steel-200);
}
@media (max-width: 640px) { .stat-row-framed .item:not(:first-child)::before { display: none; } }

.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--steel-200); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item::before {
  content: ''; position: absolute; left: -32px; top: 4px; width: 13px; height: 13px; border-radius: 50%;
  background: var(--blue); border: 3px solid var(--blue-light);
}
.timeline-item .yr { font-size: 13px; font-weight: 700; color: var(--blue-deep); letter-spacing: 1px; }
.timeline-item h4 { font-size: 16.5px; font-weight: 700; color: var(--navy-2); margin-top: 6px; }
.timeline-item p { margin-top: 6px; font-size: 13.6px; color: var(--ink-soft); max-width: 560px; }

/* ---------- 企业文化：编辑体清单 ---------- */
.culture-manifesto { border-top: 1px solid var(--steel-200); }
.culture-row {
  display: flex; align-items: baseline; gap: 32px;
  padding: 30px 4px; border-bottom: 1px solid var(--steel-200);
  position: relative;
}
.culture-row::before {
  content: ''; position: absolute; left: -24px; top: 30px; bottom: 30px; width: 3px;
  background: var(--blue); transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
}
.culture-row:hover::before { transform: scaleY(1); }
.cm-no {
  flex: none; width: 64px; font-family: "Arial Narrow", "PingFang SC", sans-serif;
  font-size: 30px; font-weight: 700; color: var(--steel-200); line-height: 1; transition: color .25s ease;
}
.culture-row:hover .cm-no { color: var(--blue-light); }
.cm-body { flex: 1; display: flex; align-items: baseline; gap: 22px; flex-wrap: wrap; }
.cm-title { flex: none; width: 168px; }
.cm-title .zh { font-size: 18px; font-weight: 800; color: var(--navy-2); }
.cm-title .en { display: block; margin-top: 4px; font-size: 11px; color: var(--steel-400); letter-spacing: 1.5px; text-transform: uppercase; }
.cm-text { flex: 1; min-width: 240px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.8; }
@media (max-width: 720px) {
  .culture-row { gap: 18px; padding: 24px 4px; }
  .cm-no { width: 40px; font-size: 22px; }
  .cm-body { flex-direction: column; gap: 8px; }
  .cm-title { width: auto; }
}

.info-card-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--steel-200); border: 1px solid var(--steel-200); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 60px; }
.info-card-row .cell { background: var(--white); padding: 24px 22px; }
.info-card-row .cell h4 { font-size: 12px; color: var(--steel-400); font-weight: 600; letter-spacing: .5px; }
.info-card-row .cell p { margin-top: 8px; font-size: 15px; font-weight: 700; color: var(--navy-2); }
@media (max-width: 860px) { .info-card-row { grid-template-columns: repeat(2,1fr); } }

.industry-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.industry-chip {
  padding: 18px 10px; text-align: center; border-radius: var(--radius);
  background: var(--steel-50); border: 1px solid var(--steel-200); font-size: 13.5px; color: var(--ink-soft); font-weight: 600;
  transition: all .2s;
}
.industry-chip:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; }
.contact-card { background: var(--white); border: 1px solid var(--steel-200); border-radius: var(--radius-lg); padding: 8px; }
.contact-info-list { display: grid; gap: 4px; }
.contact-info-item { display: flex; gap: 16px; padding: 22px; border-bottom: 1px dashed var(--steel-200); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .ic {
  flex: none; width: 46px; height: 46px; border-radius: 10px; background: var(--blue-light); color: var(--blue-deep);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.contact-info-item h4 { font-size: 13px; color: var(--steel-400); font-weight: 600; letter-spacing: .5px; }
.contact-info-item p { margin-top: 6px; font-size: 15.5px; font-weight: 600; color: var(--navy-2); }
.contact-info-item span.sub { display:block; margin-top: 3px; font-size: 12.5px; color: var(--ink-soft); font-weight: 400; }

.map-box {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--steel-200);
  height: 230px; position: relative; margin-top: 20px;
  background:
    linear-gradient(rgba(11,61,120,.86), rgba(7,28,52,.9)),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 28px);
  display: flex; align-items: center; justify-content: center; flex-direction: column; color: #fff; text-align: center; padding: 20px;
}
.map-box .pin { font-size: 30px; color: #ff6b6b; margin-bottom: 10px; }
.map-box h4 { font-size: 15px; font-weight: 700; }
.map-box p { font-size: 12.5px; color: #cfe0f0; margin-top: 6px; max-width: 280px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.3px; font-weight: 600; color: var(--navy-2); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 14px; border: 1.5px solid var(--steel-200); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; color: var(--ink); background: var(--steel-50); transition: all .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blue); background: var(--white); }
.field textarea { resize: vertical; min-height: 110px; }

/* ---------- 面包屑内页通用容器 ---------- */
.page-body { padding: 80px 0; }

/* ---------- 详情页 ---------- */
.detail-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.detail-gallery { position: relative; }
.detail-gallery img { border-radius: var(--radius-lg); border: 1px solid var(--steel-200); }
.detail-gallery::after {
  content: ''; position: absolute; left: 26px; top: 26px; z-index: 2;
  width: 62px; height: 48px;
  background: url('../img/logo.png') no-repeat center / contain;
  opacity: .92; filter: drop-shadow(0 1px 3px rgba(0,0,0,.5)); pointer-events: none;
}
.detail-info { align-self: center; height: auto; }
.detail-info .kicker { color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: 1px; }
.detail-info h1 { font-size: 28px; font-weight: 800; color: var(--navy-2); margin-top: 10px; }
.detail-info .desc { margin-top: 16px; color: var(--ink-soft); font-size: 14.8px; }
.spec-table { margin-top: 26px; width: 100%; border-collapse: collapse; }
.spec-table tr { border-bottom: 1px solid var(--steel-200); }
.spec-table td { padding: 13px 4px; font-size: 13.8px; }
.spec-table td:first-child { color: var(--steel-600); width: 130px; }
.spec-table td:last-child { color: var(--ink); font-weight: 600; }
.detail-actions { display: flex; gap: 14px; margin-top: 30px; }
.feature-list { margin-top: 30px; display: grid; gap: 12px; }
.feature-list li { display: flex; gap: 10px; font-size: 14px; color: var(--ink-soft); }
.feature-list li .ck { flex: none; color: var(--blue); font-weight: 700; }

.prose h2 { font-size: 22px; font-weight: 800; color: var(--navy-2); margin: 40px 0 16px; }
.prose h3 { font-size: 17px; font-weight: 700; color: var(--navy-2); margin: 26px 0 10px; }
.prose p { font-size: 14.8px; color: var(--ink-soft); margin-bottom: 14px; }
.prose ol, .prose ul { padding-left: 22px; margin-bottom: 14px; }
.prose li { font-size: 14.8px; color: var(--ink-soft); margin-bottom: 6px; }
.article-meta { display: flex; gap: 20px; font-size: 13px; color: var(--steel-400); margin-top: 16px; padding-bottom: 26px; border-bottom: 1px solid var(--steel-200); }

.sidebar-card { background: var(--white); border: 1px solid var(--steel-200); border-radius: var(--radius-lg); padding: 26px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: 15px; font-weight: 700; color: var(--navy-2); margin-bottom: 18px; padding-bottom: 14px; border-bottom: 2px solid var(--steel-100); }
.side-list li { padding: 12px 0; border-bottom: 1px dashed var(--steel-200); font-size: 13.6px; color: var(--ink-soft); }
.side-list li:last-child { border: none; }
.side-list a:hover { color: var(--blue-deep); }
.side-cta { background: linear-gradient(120deg, var(--blue-deep), var(--navy)); color: #fff; text-align: center; }
.side-cta h4 { color: #fff; border: none; }
.side-cta p { font-size: 13px; color: #bcd0e2; margin-bottom: 16px; }

.pager { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--steel-200); }
.pager a { font-size: 13.6px; color: var(--ink-soft); max-width: 45%; }
.pager a:hover { color: var(--blue-deep); }
.pager .lbl { font-size: 11.5px; color: var(--steel-400); display: block; margin-bottom: 4px; }

/* ---------- 文章/详情页 正文+侧栏 布局 ---------- */
.article-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 56px; align-items: start; }
.article-layout > aside {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  align-self: start;
}
@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-layout > aside { position: static; top: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .adv-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-grid, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-flex { flex-direction: column; }
  .about-media { flex: none; width: 100%; }
}
@media (max-width: 860px) {
  .topbar { display: none; }
  .main-nav, .header-tel { display: none; }
  .menu-toggle { display: flex; }
  .hero h1 { font-size: 32px; }
  .hero-stats { flex-wrap: wrap; }
  .hero-stats div { flex: 0 0 50%; padding-right: 0; margin-bottom: 18px; }
  .news-grid, .stat-row, .form-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 26px; }
  .section { padding: 56px 0; }
  .sec-title { font-size: 26px; }
  .float-side { display: none; }
}
@media (max-width: 600px) {
  .adv-grid, .prod-grid, .case-grid, .culture-grid, .industry-grid, .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 移动端导航 ---------- */
.mobile-nav {
  position: fixed; inset: 0; z-index: 400; background: var(--navy);
  transform: translateX(100%); transition: transform .3s ease; overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,.1); }
.mobile-nav-head img { height: 42px; filter: brightness(0) invert(1); }
.mobile-nav-close { background: none; border: none; color: #fff; font-size: 26px; cursor: pointer; }
.mobile-nav ul { padding: 10px 24px 40px; }
.mobile-nav > ul > li { border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-nav > ul > li > a { display: flex; justify-content: space-between; align-items: center; padding: 18px 4px; color: #fff; font-size: 16px; font-weight: 600; }
.mobile-sub { display: none; padding: 0 4px 14px 14px; }
.mobile-sub.open { display: block; }
.mobile-sub a { display: block; padding: 10px 0; color: #9fb4c8; font-size: 14.5px; }