/* ==========================================================================
   先领电源官网 · 设计系统
   Style System — Xianling Power Official Website
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand colors */
  --blue-700: #063a8a;
  --blue-600: #0a4fc0;
  --blue-500: #1361e6;
  --blue-100: #e8f0fe;
  --blue-50:  #f2f7ff;
  --cyan-500: #00a9cc;
  --cyan-400: #00c2e0;
  --cyan-300: #5ce0f5;

  /* Neutrals */
  --navy-950: #050d1a;
  --navy-900: #081830;
  --navy-800: #0b2142;
  --ink-900: #0e2240;
  --ink-800: #102a4d;
  --ink-700: #273a54;
  --ink-600: #42566f;
  --ink-500: #5a6b83;
  --ink-400: #60728a;
  --gray-50:  #f6f8fc;
  --gray-100: #edf1f8;
  --gray-200: #dbe4f0;
  --border:   #e1e8f2;
  --white:    #ffffff;

  /* Tech accents（深色科技带与光效） */
  --blue-400: #2f7df0;
  --blue-200: #bcd4f8;
  --cyan-glow: rgba(92, 224, 245, 0.22);
  --line-tech: rgba(120, 200, 255, 0.16);
  --grad-tech: linear-gradient(135deg, #061426 0%, #0a2547 56%, #0b3358 100%);

  /* Page surface（淡蓝底 + 极浅网格） */
  --page-bg:   #f4f8ff;
  --page-bg-2: #eaf2fd;
  --page-grid: rgba(10, 79, 192, 0.042);

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #0a4fc0 0%, #00a9cc 100%);
  --grad-soft:  linear-gradient(180deg, #f6f9ff 0%, #eef4fd 100%);

  /* Radii & shadows */
  --r-lg: 18px;
  --r-md: 12px;
  --r-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(10, 47, 104, 0.06);
  --shadow-md: 0 14px 40px rgba(10, 47, 104, 0.10);
  --shadow-lg: 0 28px 80px rgba(10, 47, 104, 0.16);
  --shadow-blue: 0 10px 30px rgba(12, 92, 204, 0.28);

  /* Layout */
  --container: 1400px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.45s;

  /* Typography */
  --font-sans: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei UI",
    "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--page-bg);
}

html[lang="en"] body {
  font-family: "Segoe UI", "Inter", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  /* 淡蓝底 + 极浅网格（对比度 < 3%，不干扰阅读） */
  background-color: var(--page-bg);
  background-image:
    radial-gradient(1200px 680px at 6% -12%, rgba(0, 194, 224, 0.10) 0%, rgba(0, 194, 224, 0) 62%),
    radial-gradient(1000px 620px at 98% 4%, rgba(19, 97, 230, 0.09) 0%, rgba(19, 97, 230, 0) 58%),
    linear-gradient(to right, var(--page-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--page-grid) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 桌面端固定底纹，滚动时图案不跟着跑（移动端保持 scroll，避免合成层开销） */
@media (min-width: 1024px) {
  body { background-attachment: fixed; }
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

::selection { background: var(--blue-600); color: #fff; }

:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Typography Scale
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  color: var(--ink-900);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.display {
  font-size: clamp(38px, 4.6vw, 60px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: 0.005em;
}

.h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
}

.h3 { font-size: 20px; font-weight: 700; }

.text-grad {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.lead {
  font-size: 17px;
  color: var(--ink-500);
  line-height: 1.9;
}

.num {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

.section { padding: 96px 0; }
/* 子页面：页头标题区与首个内容区块之间收紧留白（首页无 .page-hero，不受影响） */
.page-hero + .section { padding-top: 48px; }
.page-hero + .careers-nav-wrap + .section { padding-top: 40px; }
.section--soft { background: #edf4ff; }

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head--left {
  margin-inline: 0;
  text-align: left;
}

.eyebrow-bar {
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 2px;
  background: var(--grad-brand);
  margin-bottom: 18px;
}

.section-head--center .eyebrow-bar { margin-inline: auto; }

.section-head .h2 { margin-bottom: 14px; }
.section-head p { color: var(--ink-500); font-size: 16px; }

.grid { display: grid; gap: 28px; }

@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: 10px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
  white-space: nowrap;
}

.btn svg { flex: none; }

.btn--primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-blue), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn--primary:hover {
  background: linear-gradient(120deg, #0a4fc0 0%, #00c2e0 100%);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(12, 92, 204, 0.36), 0 0 0 1px rgba(92, 224, 245, 0.25);
}

.btn--ghost {
  color: var(--blue-600);
  border: 1.5px solid var(--blue-600);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--blue-50);
  border-color: var(--blue-500);
  transform: translateY(-2px);
}

.btn--light {
  background: #fff;
  color: var(--blue-700);
  box-shadow: 0 8px 26px rgba(3, 22, 54, 0.25);
}
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(3, 22, 54, 0.32); }

.btn--outline-light {
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
}
.btn--outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn--sm { padding: 10px 22px; font-size: 14px; border-radius: 8px; }

/* --------------------------------------------------------------------------
   6. Header / Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  /* inset 的显式回退，避免旧内核下定位缺失导致页头随文档滚动 */
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(10, 47, 104, 0.07);
}

.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex: none;
}

.nav__logo-img {
  display: block;
  height: 40px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-inline: auto;
  flex-wrap: nowrap;
}

/* 导航项不参与压缩：空间不足时交给断点切换为汉堡菜单，避免中文被逐字折行 */
.nav__menu > * { flex: none; }

.nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.25s;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav__link:hover { color: var(--blue-600); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--blue-600); font-weight: 600; }

/* 导航 · 关于我们下拉 */
.nav__item { position: relative; }
.nav__item > .nav__link { padding-right: 30px; }
.nav__item > .nav__link::before {
  content: "";
  position: absolute;
  right: 13px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: translateY(-70%) rotate(45deg);
  opacity: 0.5;
  transition: transform 0.25s var(--ease), opacity 0.25s;
}
.nav__item:hover > .nav__link::before,
.nav__item:focus-within > .nav__link::before {
  transform: translateY(-30%) rotate(225deg);
  opacity: 1;
}
.nav__drop {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  min-width: 160px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 6px);
  /* 渐显 + 轻微上移：缓动近似 jQuery swing（ease-in-out sine），
     时长参考 hnlens.com 导航 slideDown('slow') 的 600ms，略收紧以保持利落；
     收起略快于展开，避免鼠标移出后菜单滞留 */
  transition:
    opacity 0.28s cubic-bezier(0.45, 0, 0.55, 1),
    transform 0.28s cubic-bezier(0.45, 0, 0.55, 1),
    visibility 0s linear 0.28s;
  pointer-events: none;
  z-index: 120;
}
/* 悬停缓冲带，避免鼠标移动过程中菜单收起 */
.nav__drop::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
.nav__item:hover .nav__drop,
.nav__item:focus-within .nav__drop {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
  transition:
    opacity 0.45s cubic-bezier(0.45, 0, 0.55, 1),
    transform 0.45s cubic-bezier(0.45, 0, 0.55, 1),
    visibility 0s;
}
.nav__drop a {
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
}
.nav__drop a:hover { color: var(--blue-600); background: var(--blue-50); }

/* 锚点定位：避免被固定导航遮挡 */
#intro, #culture, #history, #honors,
#job, #benefit, #belief {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.nav__actions { display: flex; align-items: center; gap: 14px; flex: none; }

/* Language switch */
.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  background: var(--gray-50);
}

.lang-switch__btn {
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-500);
  border-radius: 999px;
  transition: all 0.25s var(--ease);
  line-height: 1.4;
}

.lang-switch__btn.is-active {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 3px 10px rgba(12, 92, 204, 0.35);
}

/* Mobile nav */
.nav__burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  position: relative;
}

.nav__burger span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-900);
  transition: all 0.3s var(--ease);
}
.nav__burger span:nth-child(1) { top: 15px; }
.nav__burger span:nth-child(2) { top: 21px; }
.nav__burger span:nth-child(3) { top: 27px; }

.nav__burger.is-open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.is-open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* 1024–1200px：紧凑档，导航保持常显（隐藏报价按钮，优先保证菜单完整） */
@media (min-width: 1024px) and (max-width: 1200px) {
  .nav { gap: 12px; }
  .nav__logo-img { height: 34px; }
  .nav__link { padding: 8px 10px; font-size: 13.5px; }
  .nav__item > .nav__link { padding-right: 22px; }
  .nav__item > .nav__link::before { right: 9px; }
  .nav__cta { display: none; }
  .nav__actions { gap: 8px; }
}

/* 1201–1280px：次紧凑档，保留报价按钮 */
@media (min-width: 1201px) and (max-width: 1280px) {
  .nav { gap: 12px; }
  .nav__link { padding: 8px 10px; font-size: 14px; }
  .nav__item > .nav__link { padding-right: 22px; }
  .nav__item > .nav__link::before { right: 9px; }
  .nav__actions { gap: 8px; }
}

/* 1281–1440px：收紧导航间距与内边距，避免菜单被挤压 */
@media (min-width: 1281px) and (max-width: 1440px) {
  .nav { gap: 20px; }
  .nav__link { padding: 8px 12px; font-size: 14.5px; }
  .nav__item > .nav__link { padding-right: 26px; }
  .nav__item > .nav__link::before { right: 11px; }
  .nav__actions { gap: 10px; }
}

/* 小于 1024px：收起为汉堡菜单 */
@media (max-width: 1023px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__actions { margin-left: auto; gap: 10px; }
  .nav__burger { display: block; flex: none; }
  .nav { gap: 16px; }
}

/* 窄屏：收紧页头，避免右侧语言切换与菜单按钮被挤出视口 */
@media (max-width: 640px) {
  .nav { gap: 10px; }
  .nav__logo-img { height: 32px; }
  .nav .nav__search { width: 34px; height: 34px; }
  .nav__burger { width: 40px; height: 40px; flex: none; }
  .lang-switch { padding: 2px; }
  .lang-switch__btn { padding: 4px 9px; font-size: 12px; }
}

/* Mobile menu drawer */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 12px 4% 24px;
  display: none;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.mobile-menu.is-open { display: block; animation: dropIn 0.3s var(--ease); }

.mobile-menu a {
  display: block;
  padding: 13px 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: 10px;
}

.mobile-menu a:hover, .mobile-menu a.is-active {
  color: var(--blue-600);
  background: var(--blue-50);
}

/* 移动端 · 关于我们子菜单 */
.mobile-menu__group {
  margin: 2px 0 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a.mobile-menu__sub {
  padding: 10px 12px 10px 30px;
  font-size: 14.5px;
  font-weight: 400;
  color: var(--ink-500);
  position: relative;
}
.mobile-menu a.mobile-menu__sub::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  width: 6px;
  height: 1.5px;
  background: currentColor;
  opacity: 0.5;
}

@keyframes dropIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   7. Page Hero (subpages)
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 56px;
  background: linear-gradient(180deg, #f7fbff 0%, #eaf2fd 100%);
  border-bottom: 1px solid rgba(19, 97, 230, 0.06);
  overflow: hidden;
}

/* 极浅网格向右淡出，作为内页的科技底纹 */
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10, 79, 192, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 79, 192, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
  pointer-events: none;
}

/* 移动端按比例收紧页头下留白 */
@media (max-width: 768px) {
  .page-hero { padding-bottom: 44px; }
  .page-hero + .section { padding-top: 40px; }
  .page-hero + .careers-nav-wrap + .section { padding-top: 36px; }
}

.page-hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 169, 204, 0.14), transparent 70%);
}

.page-hero__inner { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink-400);
  margin-bottom: 14px;
}

.breadcrumb a:hover { color: var(--blue-600); }
.breadcrumb .sep { color: var(--ink-400); }
.breadcrumb b { color: var(--ink-900); font-weight: 600; }

.page-hero h1 {
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  color: var(--ink-500);
  font-size: 16.5px;
  max-width: 620px;
}

/* --------------------------------------------------------------------------
   8. Home Hero · 顶部图片轮播（浅色通透版式）
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: clamp(560px, 74vh, 740px);
  background: linear-gradient(180deg, #f8fbff 0%, #eef5ff 100%);
  overflow: hidden;
}

/* ---- 轮播帧 ---- */
.hero__carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease, visibility 0s linear 1s;
  will-change: opacity;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity 1s ease;
  z-index: 1;
}
/* 背景图：偏右构图，左侧留白给文案；轻微提亮不做压暗 */
.hero-slide__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
  transform: scale(1.04);
  filter: saturate(1.06) brightness(1.02) contrast(1.02);
}
.hero-slide.is-active .hero-slide__img { animation: heroZoom 9s ease-out forwards; }
@keyframes heroZoom {
  from { transform: scale(1.04); }
  to { transform: scale(1.08); }
}

/* 遮罩：极浅的白色渐隐，只为深色标题争取对比度，不压暗画面 */
.hero-slide__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(94deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.9) 20%, rgba(255, 255, 255, 0.72) 38%, rgba(255, 255, 255, 0.34) 52%, rgba(255, 255, 255, 0.08) 64%, rgba(255, 255, 255, 0) 74%),
    linear-gradient(0deg, rgba(8, 24, 48, 0.08) 0%, rgba(8, 24, 48, 0) 20%);
}

/* ---- 前景内容 ---- */
.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 32px);
  padding-bottom: 124px;
}
.hero__content { max-width: 580px; }

/* 固定最小高度的文案区：切换不同长度文案时按钮基本不跳动 */
.hero__caption {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: clamp(190px, 16vw, 224px);
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blue-700);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(19, 97, 230, 0.18);
  box-shadow: 0 4px 16px rgba(10, 47, 104, 0.07);
  margin-bottom: 22px;
}
.hero__tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(0, 194, 224, 0.16);
}
.hero__title {
  font-size: clamp(30px, 3.6vw, 50px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--ink-900);
  margin-bottom: 18px;
}
.hero__text {
  font-size: clamp(14.5px, 1.02vw, 16px);
  line-height: 1.85;
  color: var(--ink-500);
  max-width: 520px;
}

/* 每帧文案入场动画 */
.hero__caption.is-anim .hero__tag,
.hero__caption.is-anim .hero__title,
.hero__caption.is-anim .hero__text {
  animation: capIn 0.72s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
.hero__caption.is-anim .hero__title { animation-delay: 0.09s; }
.hero__caption.is-anim .hero__text { animation-delay: 0.18s; }
@keyframes capIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 34px; }

/* ---- 控制层：圆点 + 序号 + 箭头 ---- */
.hero__controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 40px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  width: min(var(--container), 92%);
  margin: 0 auto;
  pointer-events: none; /* 仅子元素可点 */
}
.hero__controls > * { pointer-events: auto; }

.hero__indicator { display: flex; align-items: center; gap: 20px; }
.hero__dots { display: flex; align-items: center; gap: 8px; }
.hero__dot {
  position: relative;
  width: 26px;
  height: 4px;
  border-radius: 999px;
  border: none;
  padding: 0;
  cursor: pointer;
  background: rgba(11, 33, 66, 0.18);
  transition: background 0.3s ease, width 0.3s ease;
}
/* 扩大点击热区 */
.hero__dot::after {
  content: "";
  position: absolute;
  inset: -10px -3px;
}
.hero__dot.is-active { background: var(--blue-600); width: 44px; }
.hero__dot:hover { background: rgba(11, 33, 66, 0.42); }
.hero__dot.is-active:hover { background: var(--blue-600); }

.hero__count {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-400);
  font-variant-numeric: tabular-nums;
  padding-left: 20px;
  border-left: 1px solid rgba(11, 33, 66, 0.14);
  line-height: 1;
}

.hero__arrows { display: flex; gap: 10px; }
.hero__arrow {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-700);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 20px rgba(10, 47, 104, 0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.hero__arrow:hover {
  background: #fff;
  color: var(--blue-600);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(10, 47, 104, 0.2);
}

@media (max-width: 1024px) {
  .hero { min-height: 560px; }
  .hero__inner { padding-top: calc(var(--header-h) + 30px); padding-bottom: 118px; }
  .hero__content { max-width: 520px; }
  .hero__caption { min-height: clamp(210px, 26vw, 250px); }
  .hero__text { max-width: 460px; }
  .hero__controls { bottom: 30px; }
  .hero-slide__img { object-position: 76% center; }
  /* 平板：左侧白场加宽，保证文案区与产品区分开 */
  .hero-slide__shade {
    background:
      linear-gradient(96deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.94) 32%, rgba(255, 255, 255, 0.82) 46%, rgba(255, 255, 255, 0.44) 56%, rgba(255, 255, 255, 0.1) 65%, rgba(255, 255, 255, 0) 72%),
      linear-gradient(0deg, rgba(8, 24, 48, 0.08) 0%, rgba(8, 24, 48, 0) 20%);
  }
}

@media (max-width: 640px) {
  .hero { min-height: 700px; background: var(--page-bg); }
  /* 移动端：上部为图片带，下部为浅色文案区 */
  .hero__carousel { height: 320px; bottom: auto; }
  .hero-slide__img { object-position: 50% center; }
  .hero__inner {
    align-items: flex-end;
    padding-top: 0;
    padding-bottom: 96px;
  }
  .hero__caption { min-height: 0; }
  .hero__tag { padding: 7px 15px; font-size: 12px; margin-bottom: 16px; }
  .hero__title { margin-bottom: 14px; }
  .hero__text { font-size: 14.5px; line-height: 1.8; }
  .hero__cta { margin-top: 26px; gap: 12px; }
  .hero__cta .btn { padding: 13px 24px; font-size: 14.5px; }
  .hero-slide__shade {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 58%, rgba(255, 255, 255, 0.28) 72%, rgba(255, 255, 255, 0.72) 86%, rgba(255, 255, 255, 0.96) 96%, #fff 100%);
  }
  .hero__controls { bottom: 26px; }
  .hero__indicator { gap: 14px; }
  .hero__count { padding-left: 14px; font-size: 11.5px; }
  .hero__arrow { width: 40px; height: 40px; }
  .hero__dot { width: 22px; }
  .hero__dot.is-active { width: 34px; }
}


/* --------------------------------------------------------------------------
   9. Stats Band
   -------------------------------------------------------------------------- */
.stats {
  background: var(--grad-tech);
  color: #eaf4ff;
  padding: 62px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line-tech);
  border-bottom: 1px solid var(--line-tech);
}

/* 科技网格 + 冷色光晕 */
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(120, 200, 255, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120, 200, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(80% 140% at 50% 50%, #000 30%, transparent 100%);
  mask-image: radial-gradient(80% 140% at 50% 50%, #000 30%, transparent 100%);
}

.stats::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -160px;
  width: 720px;
  height: 320px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 194, 224, 0.20), transparent 72%);
  pointer-events: none;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.stat { text-align: center; padding: 6px 12px; position: relative; }

/* 列分隔细线，强化仪表盘式层级 */
.stat + .stat::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 18%;
  bottom: 18%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(120, 200, 255, 0.28), transparent);
}

.stat__num {
  font-size: clamp(34px, 3.4vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(120deg, #8ceaff 0%, #4da3ff 58%, #c6dbff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat__label { margin-top: 8px; font-size: 14.5px; color: rgba(214, 232, 255, 0.76); }

@media (max-width: 860px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 36px 16px; }
  .stat + .stat::before { display: none; }
}

/* --------------------------------------------------------------------------
   10. Cards — Products
   -------------------------------------------------------------------------- */
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 194, 224, 0.32);
}

.product-card__media {
  position: relative;
  background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
  padding: 26px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.product-card__media svg { width: 100%; height: auto; }

.product-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-700);
  background: rgba(232, 240, 254, 0.9);
  border: 1px solid var(--blue-100);
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.product-card__body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }

.product-card__model {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan-500);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.product-card__name { font-size: 19px; font-weight: 700; color: var(--ink-900); margin-bottom: 10px; }

.product-card__desc {
  font-size: 14.5px;
  color: var(--ink-500);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.spec-chip {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-700);
  background: var(--gray-100);
  padding: 5px 12px;
  border-radius: 6px;
}

.product-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--blue-600);
  transition: gap 0.25s var(--ease);
}

.product-card__more:hover { gap: 14px; color: var(--blue-500); }

/* --------------------------------------------------------------------------
   11. Feature (advantages)
   -------------------------------------------------------------------------- */
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 34px 30px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 194, 224, 0.26);
}
.feature:hover::before { opacity: 1; }

.feature__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(145deg, #f2f8ff 0%, #e6f9ff 100%);
  border: 1px solid rgba(0, 169, 204, 0.22);
  display: grid;
  place-items: center;
  color: var(--blue-600);
  margin-bottom: 22px;
}

.feature__title { font-size: 18px; font-weight: 700; color: var(--ink-900); margin-bottom: 10px; }
.feature__text { font-size: 14.5px; color: var(--ink-500); line-height: 1.8; }

/* --------------------------------------------------------------------------
   12. Industry band
   -------------------------------------------------------------------------- */
.industries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industries--6 { grid-template-columns: repeat(6, 1fr); }

.industry {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 30px 16px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}

.industry:hover {
  border-color: var(--blue-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.industry svg { color: var(--blue-600); }
.industry span { font-size: 15px; font-weight: 600; color: var(--ink-700); }

@media (max-width: 1024px) {
  .industries { grid-template-columns: repeat(2, 1fr); }
  .industries--6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .industries, .industries--6 { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   13. News cards
   -------------------------------------------------------------------------- */
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 194, 224, 0.26);
}

.news-card__media {
  position: relative;
  padding: 0;
  border-bottom: 1px solid var(--border);
  background: var(--gray-50);
}
.news-card__media svg { width: 100%; height: auto; }

.news-card__cat {
  position: absolute;
  left: 16px;
  top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--blue-600);
  padding: 4px 12px;
  border-radius: 999px;
}

.news-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }

.news-card__date {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-400);
  margin-bottom: 10px;
}

.news-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover .news-card__title { color: var(--blue-600); }

.news-card__excerpt {
  font-size: 14px;
  color: var(--ink-500);
  line-height: 1.75;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card__more:hover { color: var(--blue-500); }

/* News list rows (news page) */
.news-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  transition: all 0.3s var(--ease);
  align-items: center;
}

.news-row:hover {
  transform: translateX(6px);
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
}

.news-row__media { border-radius: 10px; overflow: hidden; background: var(--gray-50); }
.news-row__media svg { width: 100%; height: auto; }

.news-row__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; flex-wrap: wrap; }
.news-row__cat {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 3px 11px;
  border-radius: 999px;
}
.news-row__date { font-size: 13px; color: var(--ink-400); }
.news-row__title { font-size: 18px; font-weight: 700; color: var(--ink-900); margin-bottom: 6px; }
.news-row:hover .news-row__title { color: var(--blue-600); }
.news-row__excerpt { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

@media (max-width: 720px) {
  .news-row { grid-template-columns: 1fr; gap: 16px; }
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tab {
  padding: 9px 22px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-500);
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  transition: all 0.25s var(--ease);
}

.filter-tab:hover { color: var(--blue-600); border-color: var(--blue-500); }
.filter-tab.is-active {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 48px; }
.page-btn {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-700);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #fff;
  transition: all 0.25s var(--ease);
}
.page-btn:hover { border-color: var(--blue-500); color: var(--blue-600); }
.page-btn.is-active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.page-btn--nav svg { color: var(--ink-500); }
.page-btn:hover svg { color: var(--blue-600); }

/* --------------------------------------------------------------------------
   14. CTA Band
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  background: var(--grad-tech);
  color: #fff;
  padding: 76px 0;
  overflow: hidden;
  border-top: 1px solid var(--line-tech);
}

/* 网格与光晕，节制使用，不干扰 CTA 阅读 */
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(120, 200, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120, 200, 255, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, transparent 62%);
  mask-image: linear-gradient(90deg, #000 0%, transparent 62%);
}

.cta-band::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -140px;
  width: 520px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 194, 224, 0.22), transparent 72%);
  pointer-events: none;
}

.cta-band .container { position: relative; z-index: 1; }

.cta-band__grid {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-band p { color: rgba(255, 255, 255, 0.85); font-size: 16px; }
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .cta-band__grid { justify-content: center; text-align: center; }
  .cta-band__actions { justify-content: center; }
}

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  background: var(--grad-tech);
  color: rgba(198, 220, 245, 0.72);
  padding: 72px 0 0;
  font-size: 14.5px;
  border-top: 1px solid var(--line-tech);
  overflow: hidden;
}

/* 顶部冷色光带，压住深色页脚的重量 */
.footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(92, 224, 245, 0.45), transparent);
}

.footer__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer__brand { display: flex; align-items: center; margin-bottom: 20px; }
/* 蓝色 Logo 在深色底上放进浅色底片，保证识别度 */
.footer__logo-img {
  display: block;
  height: 42px;
  width: auto;
  background: #fff;
  padding: 5px 10px;
  border-radius: 8px;
}

.footer__about { line-height: 1.85; margin-bottom: 24px; font-size: 14px; color: rgba(188, 212, 240, 0.72); }

.footer__title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}

.footer__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--cyan-400);
}

.footer__links li + li { margin-top: 12px; }
.footer__links a { transition: color 0.25s, padding-left 0.25s; }
.footer__links a:hover { color: var(--cyan-300); padding-left: 4px; }

.footer__contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
  line-height: 1.65;
}
.footer__contact svg { color: var(--cyan-400); flex: none; margin-top: 4px; }
.footer__contact a { transition: color 0.25s; }
.footer__contact a:hover { color: var(--cyan-300); }

.footer__bottom {
  position: relative;
  border-top: 1px solid rgba(120, 200, 255, 0.14);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(178, 204, 235, 0.64);
}

.footer__bottom a:hover { color: var(--cyan-300); }

@media (max-width: 960px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { justify-content: center; text-align: center; }
}

/* --------------------------------------------------------------------------
   16. About page — intro split, timeline, values, certifications
   -------------------------------------------------------------------------- */
.about-intro { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }

/* 公司简介富文本（后台可插入图片 / 视频） */
.rich-text > *:last-child { margin-bottom: 0; }
.rich-text h2 { font-size: 24px; margin: 6px 0 14px; }
.rich-text h3 { font-size: 19px; margin: 6px 0 12px; }
.rich-text ul, .rich-text ol { margin: 0 0 18px 22px; }
.rich-text ul { list-style: disc; }
.rich-text ol { list-style: decimal; }
.rich-text li { margin-bottom: 8px; }
.rich-text a { color: var(--blue-600); text-decoration: underline; }
.rich-text strong, .rich-text b { color: var(--ink-900); }
.rich-text img { border-radius: 12px; margin: 6px 0 18px; box-shadow: var(--shadow-sm); }
.rich-text video { width: 100%; border-radius: 12px; margin: 6px 0 18px; background: #000; }
.rich-text blockquote {
  border-left: 3px solid var(--blue-500);
  padding-left: 14px;
  color: var(--ink-500);
  margin: 0 0 18px;
}
.rich-text figure { margin: 0 0 18px; }
.rich-text figcaption { font-size: 13px; color: var(--ink-400); margin-top: 6px; }

.about-intro__text p { margin-bottom: 18px; }
.about-intro__points { margin: 26px 0 30px; display: grid; gap: 14px; }
.about-intro__points li { display: flex; gap: 12px; align-items: center; font-weight: 600; color: var(--ink-700); font-size: 15.5px; }
.about-intro__points svg { color: var(--cyan-500); flex: none; }

.about-intro__visual svg,
.about-intro__visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(12, 74, 160, 0.16);
}

@media (max-width: 1024px) {
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--blue-100), var(--blue-500), var(--cyan-400));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 48px 56px;
}

.timeline__item:nth-child(odd) { left: 0; text-align: right; }
.timeline__item:nth-child(even) { left: 50%; }

.timeline__dot {
  position: absolute;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--blue-600);
  box-shadow: 0 0 0 6px rgba(10, 79, 192, 0.12);
  z-index: 1;
}

.timeline__item:nth-child(odd) .timeline__dot { right: -9px; }
.timeline__item:nth-child(even) .timeline__dot { left: -9px; }

.timeline__year {
  font-size: 28px;
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.timeline__card {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  max-width: 380px;
}

.timeline__card b { display: block; font-size: 16px; color: var(--ink-900); margin-bottom: 6px; }
.timeline__card p { font-size: 14px; color: var(--ink-500); line-height: 1.7; }

@media (max-width: 720px) {
  .timeline::before { left: 9px; }
  .timeline__item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 44px 42px; }
  .timeline__item .timeline__dot { left: 0 !important; right: auto !important; }
}

/* Values */
.value-card { text-align: center; padding: 40px 28px; }
.value-card .feature__icon { margin-inline: auto; }

/* Certification badges */
.cert-grid { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-weight: 700;
  color: var(--ink-900);
  font-size: 15.5px;
  transition: all 0.3s var(--ease);
}
.cert-badge svg { color: var(--blue-600); }
.cert-badge:hover { border-color: var(--blue-500); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cert-badge--image { flex-direction: column; padding: 16px 18px 12px; gap: 8px; }
.cert-badge--image img { height: 64px; width: auto; max-width: 120px; object-fit: contain; border-radius: 4px; }
.cert-badge--image span { font-size: 13px; text-align: center; }

/* --------------------------------------------------------------------------
   17. Contact page
   -------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: start; }

@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-card {
  display: flex;
  gap: 18px;
  padding: 24px 26px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 18px;
  transition: all 0.3s var(--ease);
}

.contact-info-card:hover { border-color: var(--blue-100); box-shadow: var(--shadow-md); }

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 12px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  display: grid;
  place-items: center;
  color: var(--blue-600);
}

.contact-info-card b { display: block; font-size: 16px; color: var(--ink-900); margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a { font-size: 14.5px; color: var(--ink-500); }
.contact-info-card a:hover { color: var(--blue-600); }
.contact-info__phone { display: inline-block; font-weight: 600; color: var(--blue-600); }
.contact-info__phone:hover { color: var(--cyan-500); }

/* Form */
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

@media (max-width: 560px) {
  .form-card { padding: 28px 22px; }
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field--full { grid-column: 1 / -1; }

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
}

.form-field label .req { color: #e5484d; margin-left: 3px; }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  color: var(--ink-900);
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  transition: all 0.25s var(--ease);
  appearance: none;
}

.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235a6b83' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-field textarea { min-height: 130px; resize: vertical; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(10, 79, 192, 0.1);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
  border-color: #e5484d;
  background: #fff5f5;
}

.field-error {
  font-size: 12.5px;
  color: #e5484d;
  display: none;
}
.field-error.is-visible { display: block; }

.form-note { font-size: 13px; color: var(--ink-400); margin-top: 16px; text-align: center; }
.form-note--err { color: #e5484d; margin-top: 12px; }

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: 60px 20px;
}
.form-success.is-visible { display: block; animation: dropIn 0.4s var(--ease); }

.form-success__icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e8f8ee, #d2f3de);
  display: grid;
  place-items: center;
  color: #18a058;
}

.form-success h3 { font-size: 22px; color: var(--ink-900); margin-bottom: 10px; }
.form-success p { color: var(--ink-500); font-size: 15px; margin-bottom: 26px; }

/* Featured news (news page) */
.featured-news {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 48px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.featured-news:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.featured-news__media { position: relative; background: var(--gray-50); }
.featured-news__media svg { width: 100%; height: 100%; object-fit: cover; }

.featured-news__body { padding: 44px 44px; display: flex; flex-direction: column; justify-content: center; }
.featured-news__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.featured-news__cat {
  font-size: 12.5px; font-weight: 600; color: #fff;
  background: var(--blue-600); padding: 5px 14px; border-radius: 999px;
}
.featured-news__date { font-size: 13.5px; color: var(--ink-400); }
.featured-news__title { font-size: clamp(20px, 2.2vw, 26px); font-weight: 800; color: var(--ink-900); line-height: 1.45; margin-bottom: 16px; }
.featured-news:hover .featured-news__title { color: var(--blue-600); }
.featured-news__excerpt { font-size: 15px; color: var(--ink-500); line-height: 1.85; margin-bottom: 26px; }

@media (max-width: 860px) {
  .featured-news { grid-template-columns: 1fr; }
  .featured-news__body { padding: 28px; }
}

/* --------------------------------------------------------------------------
   18. Reveal animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide.is-active .hero-slide__img,
  .hero__caption.is-anim .hero__tag,
  .hero__caption.is-anim .hero__title,
  .hero__caption.is-anim .hero__text {
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   19. Misc helpers
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--blue-600);
  transition: gap 0.25s var(--ease);
}
.link-arrow:hover { gap: 13px; }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--ink-400); display: none; }
.empty-state.is-visible { display: block; }

/* --------------------------------------------------------------------------
   20. Careers page
   -------------------------------------------------------------------------- */
html { scroll-behavior: smooth; }

/* 锚点胶囊导航：普通文档流，随页面滚动移出视口，不再吸顶遮挡正文 */
.careers-nav-wrap {
  padding: 14px 0;
  background: var(--page-bg);
  border-bottom: 1px solid var(--border);
}
.careers-nav {
  display: flex; gap: 10px; overflow-x: auto; scrollbar-width: none;
}
.careers-nav::-webkit-scrollbar { display: none; }
.careers-nav__link {
  flex: 0 0 auto;
  padding: 10px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  color: var(--ink-500); background: var(--gray-100);
  transition: all 0.25s var(--ease);
}
.careers-nav__link:hover { color: var(--blue-600); background: var(--blue-50); }
.careers-nav__link.is-active {
  color: #fff; background: var(--blue-600);
  box-shadow: 0 4px 14px rgba(24,144,255,0.28);
}
@media (max-width: 560px) {
  .careers-nav-wrap { padding: 10px 0; }
  .careers-nav { gap: 8px; }
  .careers-nav__link { padding: 8px 16px; font-size: 13px; }
}

/* 通用 section 标题 */
.careers-section { padding: 72px 0; }
.careers-section__head { text-align: center; margin-bottom: 44px; }
.careers-section__title {
  font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; color: var(--ink-900);
  margin-bottom: 10px;
}
.careers-section__desc { font-size: 15px; color: var(--ink-500); }

/* 招聘岗位卡片 */
.jobs-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 860px) { .jobs-list { grid-template-columns: 1fr; } }

.job-card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: 14px;
  padding: 26px 28px; transition: all 0.3s var(--ease);
  display: flex; flex-direction: column;
}
.job-card:hover {
  border-color: var(--blue-200);
  box-shadow: 0 16px 40px rgba(10, 79, 192, 0.12);
  transform: translateY(-3px);
}
.job-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.job-card__title { font-size: 19px; font-weight: 700; color: var(--ink-900); line-height: 1.35; }
.job-card__badge {
  flex: 0 0 auto; padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
}
.job-card__badge--open { background: rgba(14, 122, 65, 0.1); color: #0e7a41; }
.job-card__badge--closed { background: var(--gray-100); color: var(--ink-400); }

.job-card__meta {
  display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 18px;
  font-size: 13.5px; color: var(--ink-500);
  padding-bottom: 18px; border-bottom: 1px dashed var(--gray-200);
}
.job-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.job-card__meta svg { color: var(--blue-500); flex: none; }

.job-card__block { margin-bottom: 14px; }
.job-card__block h4 {
  font-size: 13px; font-weight: 700; color: var(--blue-600);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px;
}
.job-card__block p, .job-card__block li { font-size: 14px; color: var(--ink-600); line-height: 1.75; }
.job-card__block ul { padding-left: 18px; }

.job-card__apply {
  margin-top: auto; padding-top: 18px;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: var(--blue-600);
  transition: gap 0.25s var(--ease);
}
.job-card__apply:hover { gap: 12px; }

/* 福利待遇卡片 */
.benefits-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .benefits-list { grid-template-columns: 1fr; } }

.benefit-card {
  background: #fff; border: 1px solid var(--gray-200); border-radius: 14px;
  padding: 32px 28px; transition: all 0.3s var(--ease);
  text-align: center;
}
.benefit-card:hover {
  border-color: var(--blue-200);
  box-shadow: 0 16px 40px rgba(10, 79, 192, 0.1);
  transform: translateY(-3px);
}
.benefit-card__icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  display: grid; place-items: center;
  background: var(--blue-50); border-radius: 14px; color: var(--blue-600);
}
.benefit-card__icon svg { width: 28px; height: 28px; }
.benefit-card__title { font-size: 17px; font-weight: 700; color: var(--ink-900); margin-bottom: 10px; }
.benefit-card__desc { font-size: 14px; color: var(--ink-500); line-height: 1.75; }

/* 人才理念卡片 */
.beliefs-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .beliefs-list { grid-template-columns: 1fr; } }

.belief-card {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-700) 100%);
  border-radius: 14px; padding: 32px 28px;
  color: #fff; position: relative; overflow: hidden;
  transition: transform 0.3s var(--ease);
}
.belief-card::before {
  content: ''; position: absolute; right: -40px; top: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.belief-card:hover { transform: translateY(-3px); }
.belief-card__num {
  font-size: 36px; font-weight: 800; opacity: 0.25; line-height: 1; margin-bottom: 10px;
}
.belief-card__icon {
  width: 44px; height: 44px; margin-bottom: 14px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.15); border-radius: 10px;
}
.belief-card__icon svg { width: 22px; height: 22px; color: #fff; }
.belief-card__title { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.belief-card__desc { font-size: 14px; opacity: 0.85; line-height: 1.75; }

/* 底部 CTA（深色科技带，与首页 CTA 同一套语言） */
.careers-cta {
  position: relative;
  background: var(--grad-tech);
  border: 1px solid var(--line-tech);
  border-radius: 18px; padding: 48px 44px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
  margin-top: 0;
  overflow: hidden;
}
/* 收尾 CTA 与上方理念卡片保持紧凑衔接，避免出现大段空白 */
.careers-cta-section { padding: 36px 0 72px; }
.careers-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(120, 200, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120, 200, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 70%);
  mask-image: linear-gradient(90deg, #000, transparent 70%);
  pointer-events: none;
}
.careers-cta > * { position: relative; z-index: 1; }
.careers-cta h3 { font-size: clamp(20px, 2vw, 26px); font-weight: 800; color: #fff; margin-bottom: 10px; }
.careers-cta p { font-size: 15px; color: rgba(206, 226, 248, 0.78); line-height: 1.75; max-width: 640px; }
.careers-cta .btn { flex: 0 0 auto; background: #fff; color: var(--navy-900); box-shadow: 0 10px 28px rgba(3, 20, 45, 0.3); }
.careers-cta .btn:hover { background: var(--cyan-300); color: var(--navy-950); transform: translateY(-2px); }
@media (max-width: 860px) {
  .careers-cta { flex-direction: column; text-align: center; padding: 36px 24px; }
  .careers-cta p { margin-inline: auto; }
}

/* --------------------------------------------------------------------------
   20. News detail page（新闻详情）
   -------------------------------------------------------------------------- */
.news-row__link { color: inherit; text-decoration: none; transition: color 0.25s var(--ease); }
.news-row__link:hover { color: var(--blue-600); }

.nd { max-width: 820px; margin: 0 auto; }
.nd__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.nd__cat {
  font-size: 12.5px; font-weight: 600; color: #fff;
  background: var(--blue-600); padding: 5px 14px; border-radius: 999px;
}
.nd__date { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--ink-400); }
.nd__date svg { flex: none; }
.nd__media {
  background: var(--gray-50); border-radius: var(--r-lg); overflow: hidden;
  margin-bottom: 30px;
}
.nd__media img, .nd__media svg { width: 100%; height: auto; display: block; }
.nd__body { font-size: 16px; color: var(--ink-700); line-height: 2; }
.nd__body p { margin: 0 0 18px; }
.nd__body p:last-child { margin-bottom: 0; }

.nd__nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--border);
}
.nd__nav-item {
  display: flex; flex-direction: column; gap: 8px;
  background: #fff; border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 16px 18px; text-decoration: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.nd__nav-item:hover { border-color: var(--blue-100); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.nd__nav-item span { font-size: 12.5px; color: var(--ink-400); font-weight: 600; }
.nd__nav-item b {
  font-size: 14.5px; color: var(--ink-900); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.nd__nav-item--next { text-align: right; }
.nd__nav-item--empty { visibility: hidden; }
.nd__back { margin-top: 22px; }

.nd__empty { text-align: center; padding: 80px 20px; color: var(--ink-500); }
.nd__empty p { font-size: 16px; margin-bottom: 24px; }

@media (max-width: 640px) {
  .nd__nav { grid-template-columns: 1fr; }
  .nd__nav-item--empty { display: none; }
  .nd__nav-item--next { text-align: left; }
}

/* ==========================================================================
   导航搜索
   ========================================================================== */
.nav__search {
  width: 38px; height: 38px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 50%; background: transparent;
  color: var(--ink-700); cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.nav__search:hover { background: var(--blue-50); color: var(--blue-600); }

body.is-search-open { overflow: hidden; }

.search-modal { position: fixed; inset: 0; z-index: 1000; }
.search-modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(14, 34, 64, 0.42); backdrop-filter: blur(3px);
  opacity: 0; transition: opacity 0.2s var(--ease);
}
.search-modal__panel {
  position: relative; margin: 0 auto;
  width: min(720px, calc(100% - 40px));
  top: 12vh; max-height: 72vh; display: flex; flex-direction: column;
  background: #fff; border-radius: var(--r-lg); box-shadow: 0 24px 60px rgba(14, 34, 64, 0.22);
  transform: translateY(-12px); opacity: 0;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.search-modal.is-open .search-modal__backdrop { opacity: 1; }
.search-modal.is-open .search-modal__panel { transform: none; opacity: 1; }

.search-modal__bar {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  color: var(--ink-400);
}
.search-modal__bar input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-size: 16px; color: var(--ink-900); font-family: inherit;
}
.search-modal__bar input::placeholder { color: var(--ink-400); }
.search-modal__close {
  width: 30px; height: 30px; flex: none; border: 0; border-radius: 50%;
  background: var(--gray-50); color: var(--ink-500); font-size: 20px; line-height: 1;
  cursor: pointer; transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.search-modal__close:hover { background: var(--blue-100); color: var(--blue-600); }

.search-modal__body { padding: 10px 12px 16px; overflow-y: auto; }
.search-group { padding: 6px 0; }
.search-group__title {
  margin: 10px 8px 6px; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-400); font-weight: 700;
}
.search-result {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px 12px; border-radius: var(--r-sm); text-decoration: none;
  transition: background 0.2s var(--ease);
}
.search-result:hover { background: var(--blue-50); }
.search-result__title { font-size: 14.5px; font-weight: 600; color: var(--ink-900); }
.search-result__sub {
  font-size: 12.5px; color: var(--ink-500);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.search-hint {
  margin: 22px 8px; font-size: 13.5px; color: var(--ink-400); text-align: center;
}

@media (max-width: 760px) {
  .nav__search { width: 34px; height: 34px; }
  .search-modal__panel { top: 8vh; max-height: 78vh; }
}

/* --------------------------------------------------------------------------
   21. Large screens（≥1600px）· 大屏等比放大
   1440px 及以下完全沿用原有版式；本段只放大宽屏下的容器、字号、间距与卡片
   -------------------------------------------------------------------------- */
@media (min-width: 1600px) {
  :root {
    --container: 1560px;
    --header-h: 84px;
  }

  /* 内容宽度：两侧固定 40px 安全边距，避免只放大容器而内容仍偏小 */
  .container,
  .hero__controls { width: min(var(--container), calc(100% - 80px)); }

  body { font-size: 17px; }

  /* 竖向节奏 */
  .section { padding: clamp(104px, 6vw, 128px) 0; }
  .page-hero + .section { padding-top: clamp(52px, 3vw, 64px); }
  .page-hero + .careers-nav-wrap + .section { padding-top: clamp(44px, 2.6vw, 56px); }
  .grid { gap: clamp(30px, 1.9vw, 40px); }

  .section-head { max-width: clamp(760px, 44vw, 880px); margin-bottom: 64px; }
  .section-head p { font-size: 17.5px; max-width: 68ch; margin-inline: auto; }
  .section-head--left p { margin-inline: 0; }

  /* 字号阶梯 */
  .display { font-size: clamp(64px, 3.6vw, 82px); }
  .h2 { font-size: clamp(42px, 2.4vw, 54px); }
  .h3 { font-size: 22px; }
  .lead { font-size: clamp(18px, 0.95vw, 20px); }

  /* 子页面页头 */
  .page-hero { padding: calc(var(--header-h) + 88px) 0 64px; }
  .page-hero h1 { font-size: clamp(42px, 3vw, 54px); }
  .page-hero p { font-size: 17.5px; max-width: 680px; }

  /* 导航 */
  .nav { gap: 44px; }
  .nav__logo-img { height: 44px; }
  .nav__link { font-size: 16px; padding: 8px 18px; }
  .nav__item > .nav__link { padding-right: 32px; }
  .nav__item > .nav__link::before { right: 15px; }
  .nav__actions { gap: 16px; }
  .nav .nav__search { width: 42px; height: 42px; }
  .btn { padding: 16px 34px; font-size: 16px; }
  .btn--sm { padding: 11px 24px; font-size: 15px; }

  /* 首页轮播：高度、文案区与指标同步放大 */
  .hero { min-height: clamp(680px, 78vh, 860px); }
  .hero__inner { padding-bottom: 140px; }
  .hero__content { max-width: 660px; }
  .hero__caption { min-height: clamp(220px, 13vw, 264px); }
  .hero__tag { font-size: 13px; padding: 8px 18px; margin-bottom: 22px; }
  .hero__title { font-size: clamp(44px, 3vw, 62px); }
  .hero__text { font-size: clamp(16px, 0.92vw, 18px); max-width: 600px; }
  .hero__cta { gap: 16px; margin-top: 38px; }
  .hero__controls { bottom: 40px; }
  .hero__arrow { width: 50px; height: 50px; }
  .hero__count { font-size: 12.5px; }

  /* 数据条 */
  .stats { padding: 68px 0; }
  .stat__num { font-size: clamp(48px, 3vw, 58px); }
  .stat__label { font-size: 16px; }

  /* 产品卡片 */
  .product-card__media { padding: 30px; }
  .product-card__body { padding: 26px 28px 28px; }
  .product-card__model { font-size: 13.5px; }
  .product-card__name { font-size: 21px; }
  .product-card__desc { font-size: 15.5px; }
  .product-card__tag { font-size: 13px; padding: 5px 14px; }
  .spec-chip { font-size: 13.5px; padding: 6px 14px; }
  .product-card__more { font-size: 16px; }

  /* 优势 / 行业 */
  .feature { padding: 40px 34px; }
  .feature__icon { width: 64px; height: 64px; border-radius: 16px; margin-bottom: 26px; }
  .feature__title { font-size: 20px; }
  .feature__text { font-size: 16px; }
  .industry { padding: 36px 18px; }
  .industry svg { width: 34px; height: 34px; }
  .industry span { font-size: 16.5px; }

  /* 新闻卡片 / 列表 */
  .news-card__body { padding: 26px 28px 28px; }
  .news-card__cat { font-size: 13px; padding: 5px 14px; }
  .news-card__date { font-size: 14px; }
  .news-card__title { font-size: 19.5px; }
  .news-card__excerpt { font-size: 15.5px; }
  .news-row { grid-template-columns: 240px 1fr; gap: 32px; padding: 24px; }
  .news-row__title { font-size: 20px; }
  .news-row__excerpt { font-size: 15.5px; }
  .filter-tab { font-size: 16px; padding: 10px 26px; }
  .featured-news__body { padding: 52px; }
  .featured-news__title { font-size: 30px; }
  .featured-news__excerpt { font-size: 16.5px; }

  /* 关于我们 */
  .about-intro { gap: 64px; }
  .about-intro__text p { font-size: 17px; max-width: 66ch; }
  .about-intro__points li { font-size: 17px; }
  .timeline { max-width: 1080px; }
  .timeline__year { font-size: 32px; }
  .timeline__card { max-width: 420px; padding: 20px 24px; }
  .timeline__card b { font-size: 17.5px; }
  .timeline__card p { font-size: 15.5px; }

  /* 联系我们 */
  .contact-grid { gap: 56px; }
  .contact-info-card { padding: 26px 28px; }
  .contact-info-card b { font-size: 17.5px; }
  .contact-info-card p, .contact-info-card a { font-size: 16px; }
  .form-card { padding: 52px; }
  .form-field label { font-size: 15px; }
  .form-field input,
  .form-field select,
  .form-field textarea { padding: 15px 18px; font-size: 16px; }

  /* 人才招聘 */
  .careers-section__title { font-size: 34px; }
  .careers-section__desc { font-size: 16.5px; }
  .job-card { padding: 30px 32px; }
  .job-card__title { font-size: 21px; }
  .job-card__meta { font-size: 15px; }
  .job-card__block p, .job-card__block li { font-size: 15.5px; }
  .benefit-card { padding: 36px 32px; }
  .belief-card { padding: 36px 32px; }
  .benefit-card__title, .belief-card__title { font-size: 19px; }
  .benefit-card__desc, .belief-card__desc { font-size: 15.5px; }

  /* CTA / 页脚 / 新闻详情 */
  .cta-band { padding: 88px 0; }
  .cta-band h2 { font-size: clamp(30px, 2.4vw, 42px); }
  .cta-band p { font-size: 17.5px; }
  .footer { padding-top: 84px; }
  .footer__grid { gap: 56px; padding-bottom: 64px; }
  .footer__title { font-size: 17.5px; }
  .footer__about { font-size: 15px; max-width: 46ch; }
  .footer__contact li { font-size: 15px; }
  .nd__body { font-size: 17.5px; }
}

/* ≥1920px：容器再上探一档，轮播与页脚同步加高 */
@media (min-width: 1920px) {
  :root {
    --container: 1680px;
    --header-h: 88px;
  }

  .section { padding: 128px 0; }
  .hero { min-height: clamp(760px, 80vh, 900px); }
  .hero__inner { padding-bottom: 152px; }
  .hero__content { max-width: 720px; }
  .hero__caption { min-height: 280px; }
  .footer__grid { gap: 64px; }
}

/* --------------------------------------------------------------------------
   22. Reduced motion（尊重系统减弱动效设置）
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  /* 去掉 visibility 的收起延迟，避免无动画时菜单仍短暂可交互 */
  .nav__drop,
  .nav__item:hover .nav__drop,
  .nav__item:focus-within .nav__drop {
    transition: none !important;
  }
}