/* 武汉慈原科技 �?炭灰/银灰科技�?*/
:root {
  --navy-950: #14161a;
  --navy-900: #1c1f25;
  --navy-800: #282c34;
  --navy-700: #353a44;
  --navy-600: #454b58;
  --silver-100: #f3f5f8;
  --silver-200: #e4e9ef;
  --silver-300: #c5cdd8;
  --silver-400: #9aa6b5;
  --silver-500: #6e7c8f;
  --accent: #4a9fd8;
  --accent-soft: rgba(74, 159, 216, 0.14);
  --accent-line: rgba(74, 159, 216, 0.35);
  --title-ink: #2a3038;
  --title-ink-soft: rgba(42, 48, 56, 0.35);
  --steel: #8fa3b8;
  --text: #e8ecf1;
  --text-muted: #9aa6b5;
  --white: #ffffff;
  --danger: #c45c5c;
  --font-display: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", sans-serif;
  --font-serif: "Songti SC", "Source Han Serif SC", "SimSun", "Noto Serif SC", serif;
  --font-en: "Segoe UI", Arial, Helvetica, "Helvetica Neue", sans-serif;
  /* 与顶栏导航同一内容宽，大屏左右对齐 */
  --container: min(1480px, calc(100% - 3rem));
  --nav-width: min(1480px, calc(100vw - 3rem));
  --header-h: 99px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 2px;
  --section-pad-y: 4.25rem;
  --title-gap: 2.25rem;
  --title-size: clamp(1.85rem, 2.95vw, 2.55rem);
  --title-tracking: 0.075em;
  --title-en-size: clamp(0.9rem, 1.35vw, 1.18rem);
  --banner-title-size: clamp(1.85rem, 2.45vw + 0.85rem, 3.55rem);
  --banner-sub-size: clamp(0.9rem, 0.45vw + 0.78rem, 1.12rem);
  --body-size: 0.94rem;
  --body-leading: 1.72;
}

/* 大屏：区块中英文标题同比再放大一档 */
@media (min-width: 1400px) {
  :root {
    --title-size: clamp(2.15rem, 2.35vw, 2.85rem);
    --title-en-size: clamp(1.05rem, 1.1vw, 1.32rem);
    --banner-title-size: clamp(2.45rem, 2.55vw + 0.55rem, 4.15rem);
    --banner-sub-size: clamp(1rem, 0.55vw + 0.72rem, 1.28rem);
  }
}

@media (min-width: 1680px) {
  :root {
    --title-size: clamp(2.35rem, 2.15vw, 3.05rem);
    --title-en-size: clamp(1.12rem, 1.02vw, 1.42rem);
    --banner-title-size: clamp(2.85rem, 2.35vw + 0.7rem, 4.75rem);
    --banner-sub-size: clamp(1.08rem, 0.5vw + 0.78rem, 1.38rem);
  }
}

@media (min-width: 1920px) {
  :root {
    --banner-title-size: clamp(3.15rem, 2.2vw + 0.85rem, 5.15rem);
    --banner-sub-size: clamp(1.14rem, 0.45vw + 0.85rem, 1.48rem);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--navy-900);
  font-size: var(--body-size);
  line-height: var(--body-leading);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* ---------- Header（透明叠图 / 白字，对标顶栏） ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: #fff;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background 0.35s var(--ease),
    border-color 0.35s var(--ease),
    backdrop-filter 0.35s,
    box-shadow 0.35s var(--ease);
}

/* 默认全透明；滚动后出现底栏 */
.site-header.is-scrolled {
  background: rgba(12, 16, 22, 0.82);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.header-inner {
  /* 与正文 / 页脚共用 --container，大屏左右对齐 */
  width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 0 0 auto;
  z-index: 102;
}

.brand-logo {
  display: block;
  height: 58px;
  width: auto;
  max-width: min(218px, 48vw);
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 1px 8px rgba(0, 0, 0, 0.35));
  transition: filter 0.3s var(--ease);
}

/* 大屏再放�?Logo / 导航；笔记本用上面默认尺�?*/
@media (min-width: 1600px) {
  :root {
    --header-h: 99px;
  }

  .brand-logo {
    height: 70px;
    max-width: min(190px, 40vw);
  }

  .nav a {
    padding: 0.6rem 0.55rem;
  }

  .nav > .nav-item > a,
.nav > .nav-item > .nav-row > a {
    font-size: 1.05rem;
    font-weight: 400;
    letter-spacing: 0.04em;
  }

  .site-footer > .container {
    padding-top: 3rem;
    padding-bottom: 3rem;
    padding-left: clamp(3rem, 6.5vw, 5.5rem);
    padding-right: clamp(2.25rem, 4.5vw, 4rem);
  }

  .footer-panel {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 220px);
    gap: 2.75rem 2.25rem;
  }

  .nav a::after {
    left: 0.35rem;
    right: 0.35rem;
  }
}

@media (max-width: 720px) {
  .brand-logo {
    height: 44px;
    max-width: min(188px, 56vw);
  }
}

.brand-mark {
  width: 42px;
  height: 42px;
  position: relative;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease);
}

.brand-text span {
  font-size: 0.76rem;
  color: var(--silver-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s var(--ease);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  flex: 1 1 auto;
  gap: 0;
  min-width: 0;
  max-width: min(46rem, 100%);
  margin-inline: auto;
}

.nav-drawer-head,
.nav-drawer-foot,
.nav-expand,
.nav-row-balance {
  display: none;
}

.nav-drawer-tel {
  display: none !important;
}

.nav-row {
  display: contents;
}

.nav > .nav-item {
  position: relative;
  flex: 0 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 栏目平铺，间距适中（避免拉得太开） */
.nav > .nav-item + .nav-item {
  padding-left: 0;
}

.nav > .nav-item + .nav-item::before {
  content: none;
}

.nav a {
  padding: 0.55rem 0.55rem;
  font-size: 0.92rem;
  font-family: var(--font-body);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  position: relative;
  transition: color 0.25s;
  white-space: nowrap;
}

.nav > .nav-item > a,
.nav > .nav-item > .nav-row > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.98rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-align: center;
}

.nav a.is-active,
.nav > .nav-item > a.is-active,
.nav > .nav-item > .nav-row > a.is-active {
  font-weight: 500;
  color: #fff;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0.4rem;
  right: 0.4rem;
  bottom: 0.2rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.nav a:hover,
.nav a.is-active {
  color: #fff;
}

.nav a.is-active::after,
.nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 0 auto;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  padding: 0.12rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: background 0.3s var(--ease);
}

.site-header.is-scrolled .lang-switch {
  background: rgba(255, 255, 255, 0.06);
}

.lang-switch a,
.lang-switch button {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  background: transparent;
  border: 0;
  border-radius: 999px;
  padding: 0.28rem 0.7rem 0.28rem 0.48rem;
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  cursor: pointer;
  transition: 0.25s var(--ease);
}

.lang-switch .lang-flag {
  width: 24px;
  height: 16px;
  flex-shrink: 0;
  display: block;
  border-radius: 3px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.22),
    0 1px 2px rgba(0, 0, 0, 0.28);
}

.lang-switch .lang-globe {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: block;
  opacity: 0.88;
}

.lang-switch a.is-active,
.lang-switch button.is-active {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  box-shadow: none;
}

.lang-switch a.is-active .lang-flag,
.lang-switch button.is-active .lang-flag {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.36),
    0 1px 3px rgba(0, 0, 0, 0.28);
}

.lang-switch a.is-active .lang-globe,
.lang-switch button.is-active .lang-globe {
  opacity: 1;
}

.lang-switch a:not(.is-active):hover,
.lang-switch button:not(.is-active):hover {
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
}

.lang-switch a:not(.is-active):hover .lang-globe,
.lang-switch button:not(.is-active):hover .lang-globe {
  opacity: 0.95;
}

.search-btn,
.menu-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  color: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  transition: color 0.25s, background 0.25s;
}

.search-btn:hover,
.menu-toggle:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: 0.3s var(--ease);
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 0.3s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy-950);
  font-weight: 500;
}

.btn-primary:hover {
  background: #6bb3e4;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(197, 205, 216, 0.35);
  color: var(--silver-200);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--white);
}

.btn-line {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn-line:hover {
  background: var(--accent-soft);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(143, 163, 184, 0.18), transparent 55%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(143, 163, 184, 0.08), transparent 50%),
    linear-gradient(165deg, #16181d 0%, var(--navy-900) 45%, #22262e 100%);
}

.hero-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(197, 205, 216, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 205, 216, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, black 20%, transparent 75%);
  animation: gridDrift 28s linear infinite;
}

@keyframes gridDrift {
  from { transform: translate(0, 0); }
  to { transform: translate(-72px, -72px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: var(--container);
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 5.5rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.15s forwards;
}

.hero-brand em {
  font-style: normal;
  color: var(--accent);
}

.hero-title {
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 400;
  color: var(--silver-200);
  max-width: 28em;
  margin-bottom: 0.85rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.35s forwards;
}

.hero-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 36em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.5s forwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.65s forwards;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-scroll {
  position: absolute;
  right: max(1.5rem, calc((100% - min(1180px, 100% - 3rem)) / 2));
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--silver-500);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 2;
}

.hero-scroll i {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.55); opacity: 0.4; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; transform-origin: top; }
}

/* ---------- Sections ---------- */
.section {
  padding: var(--section-pad-y) 0;
  position: relative;
}

/* 首页：每屏严格一屏高，滚轮切换不露上一�?*/
body.page-home {
  overflow-x: hidden;
}

@media (min-width: 961px) {
  /* 取消一屏一滚：区块自然高度，页面自由滚�?*/
  body.page-home .banner {
    height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), 100dvh);
    min-height: min(var(--banner-h-min, var(--page-header-height-min, 480px)), 100dvh);
    max-height: 100dvh;
    overflow: hidden;
  }

  body.page-home main > .section {
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: visible;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: var(--section-pad-y);
    padding-bottom: var(--section-pad-y);
    scroll-margin-top: calc(var(--header-h) + 0.75rem);
  }

  body.page-home main > .section > .container {
    width: var(--container);
    margin-inline: auto;
    flex: 0 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  /* 首页各区块主标题：上下关系统一（上靠区块 padding，下靠 --title-gap） */
  /*
   * 首页标题视觉节奏：
   * 上 = --section-pad-y；下 = --title-gap；标题后第一层内容不再额外加 top 空隙
   */
  body.page-home .section-title-layer,
  body.page-home .home-news-head,
  body.page-home .intro-hero-title.section-title-layer {
    margin-top: 0;
    margin-bottom: var(--title-gap);
    padding-top: 0;
    padding-bottom: 0;
  }

  body.page-home .home-team-section > .container {
    gap: 0;
  }

  body.page-home .home-team-panel {
    display: flex;
    flex-direction: column;
    padding: 0 clamp(1.15rem, 2vw, 1.65rem) clamp(1.15rem, 2vw, 1.65rem);
  }

  body.page-home .adv-section > .container > .content-rail,
  body.page-home .adv-section > .container > .content-rail--adv,
  body.page-home .app-section > .container > .app-accordion,
  body.page-home .product-showcase-section .home-gallery,
  body.page-home .home-team-section > .container > .home-team-panel,
  body.page-home .home-cred-section > .home-cred-inner > .cred-marquee {
    margin-top: 0;
  }

  body.page-home .cred-marquee-viewport {
    padding-top: 0;
  }

  body.page-home .home-team-lead {
    grid-template-columns: minmax(148px, 200px) minmax(0, 1fr);
    gap: 1.35rem 2rem;
    padding: 0.55rem 0.75rem 0.25rem;
    align-items: center;
  }

  body.page-home .home-team-photo {
    width: clamp(6.25rem, 8vw, 7.75rem);
    height: clamp(6.25rem, 8vw, 7.75rem);
    margin-bottom: 1.1rem;
  }

  body.page-home .site-footer {
    height: auto;
    overflow: visible;
    display: block;
  }

  /* 关于慈原：整图背景 + 上下透明衔接 */
  body.page-home .intro-section--hero {
    background: #fff;
  }

  body.page-home .intro-section--hero.section {
    /* 标题上边距不变；区块再加高，按钮底边留足空隙 */
    padding-top: var(--section-pad-y);
    padding-bottom: 3.5rem;
    min-height: clamp(18.5rem, 58vh, 28rem);
  }

  body.page-home .intro-section--hero .intro-hero {
    min-height: inherit;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  body.page-home .intro-section--hero .intro-hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    flex: 1 1 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    z-index: 2;
  }

  body.page-home .intro-section--hero .intro-hero-actions {
    /* 与介绍正文保持适中间距 */
    margin-top: 2.5rem;
    padding-top: 0;
    margin-bottom: 0;
  }

  body.page-home .intro-section--hero .intro-hero-visual {
    position: absolute;
    inset: 0;
    height: auto;
    margin: 0;
  }

  /* Product center: editorial split, title rhythm aligned */
  body.page-home .product-showcase-section.section {
    min-height: auto;
    padding-top: var(--section-pad-y);
    padding-bottom: var(--section-pad-y);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  body.page-home .product-showcase-section > .container {
    gap: 0;
    width: var(--container);
    max-width: var(--container);
    padding-inline: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 0;
  }

  body.page-home .product-showcase-section .section-title-layer,
  body.page-home .product-showcase-section .product-showcase-tabs,
  body.page-home .product-showcase-section .product-showcase-viewport {
    width: 100%;
    margin-inline: 0;
    flex: 0 0 auto;
  }

  body.page-home .product-gallery {
    margin-top: 0;
  }

  body.page-home .home-cred-section.section {
    padding-top: var(--section-pad-y);
    padding-bottom: var(--section-pad-y);
  }

  body.page-home .home-cred-section > .home-cred-inner {
    justify-content: flex-start;
    gap: 0;
  }

  body.page-home .cred-marquee {
    flex: 0 1 auto;
    align-content: center;
    align-items: center;
    min-height: 0;
  }

  body.page-home .cred-frame {
    width: clamp(9.5rem, 12.5vw, 12rem);
  }
}

/* 仅极矮屏再轻压内容区，标题间距仍跟随全局 */
@media (min-width: 961px) and (max-height: 760px) {
  body.page-home .home-team-panel {
    padding: 0 1rem 0.95rem;
  }

  body.page-home .home-team-lead {
    grid-template-columns: minmax(112px, 140px) minmax(0, 1fr);
    gap: 0.85rem 1.25rem;
  }

  body.page-home .home-team-photo {
    width: 5.5rem;
    height: 5.5rem;
    margin-bottom: 0.7rem;
  }

  body.page-home .home-team-card {
    padding: 0.9rem 0.7rem 0.85rem;
  }
}

@media (max-width: 960px) {
  body.page-home .banner {
    height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), 70dvh, 34rem);
    min-height: min(var(--banner-h-min, var(--page-header-height-min, 480px)), 52dvh, 22rem);
    max-height: min(78dvh, 38rem);
  }

  .banner-progress {
    display: none !important;
  }

  body.page-home .intro-section--hero .intro-hero-copy,
  .intro-hero-copy {
    padding: 0 1.1rem;
    width: min(100% - 1.25rem, 40rem);
  }

  .intro-hero-title.section-title-layer {
    margin-bottom: var(--title-gap);
  }

  .intro-hero-text {
    margin-top: 0;
    line-height: 1.75;
    font-size: 0.9rem;
  }

  .intro-hero-actions {
    margin-top: 0.95rem;
    gap: 0.55rem;
    width: 100%;
    justify-content: stretch;
    flex-direction: column;
    align-items: stretch;
  }

  .intro-hero-cta {
    margin-top: 0;
    width: 100%;
    max-width: none;
    justify-content: center;
  }

  .intro-hero-visual,
  body.page-home .intro-section--hero .intro-hero-visual {
    inset: 0;
    height: auto;
  }
}

.section-alt {
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
}

#product-lines,
.product-showcase-section {
  --product-blue: #2f7ec8;
  position: relative;
  overflow: hidden;
  background-color: #eef3f8;
  color: #2a3038;
}

.product-showcase-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(90, 110, 135, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 110, 135, 0.055) 1px, transparent 1px);
  background-size: 12px 12px;
  background-position: center;
  mask-image: radial-gradient(ellipse 92% 82% at 50% 48%, #000 28%, transparent 82%);
  opacity: 0.9;
}

.product-showcase-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 159, 216, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 159, 216, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: center;
  mask-image: radial-gradient(ellipse 80% 74% at 50% 50%, #000 16%, transparent 76%);
  pointer-events: none;
}

.product-showcase-bg::after {
  content: none;
}

.product-showcase-section > .container {
  position: relative;
  z-index: 1;
}

/* Product gallery: category tabs + index list + featured visual */
.product-showcase-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 0.05rem 1.2rem;
  margin: 0 auto var(--title-gap);
  max-width: 100%;
  padding-bottom: 0;
}

.product-showcase-tabs button,
.product-showcase-tab {
  position: relative;
  padding: 0.35rem 0.08rem 0.55rem;
  border: 0;
  background: transparent;
  color: #5a6572;
  font-size: clamp(1.05rem, 1.15vw, 1.22rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.25s;
}

.product-showcase-tabs button::after,
.product-showcase-tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--product-blue);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s var(--ease);
}

.product-showcase-tabs button:hover,
.product-showcase-tab:hover {
  color: #1a1f26;
}

.product-showcase-tabs button.is-active,
.product-showcase-tab.is-active {
  color: var(--product-blue);
  font-weight: 600;
}

.product-showcase-tabs button.is-active::after,
.product-showcase-tab.is-active::after {
  transform: scaleX(1);
}

.product-showcase-viewport {
  position: relative;
  width: 100%;
}

.product-showcase-panel[hidden] {
  display: none !important;
}

.product-gallery-empty {
  margin: 0;
  padding: 2.5rem 1rem;
  text-align: center;
  color: #7a8694;
  font-size: 0.95rem;
}

.product-gallery {
  --gallery-ease: cubic-bezier(0.22, 0.8, 0.28, 1);
  --gallery-interval: 5.2s;
  display: grid;
  grid-template-columns: minmax(17.5rem, 22.5rem) minmax(0, 1fr);
  gap: clamp(1.25rem, 2.4vw, 2.75rem);
  align-items: stretch;
  margin-top: 0;
  min-height: clamp(22rem, 52vh, 34rem);
}

.product-gallery-index {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  padding: 0.15rem 0;
  border-right: 1px solid rgba(74, 98, 122, 0.14);
  padding-right: clamp(0.85rem, 1.6vw, 1.5rem);
}

.product-gallery-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.65rem 0.85rem;
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 0.85rem 0.85rem 0.95rem 0.35rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #5a6572;
  text-align: left;
  cursor: pointer;
  transition: color 0.28s var(--gallery-ease), background 0.28s var(--gallery-ease);
}

.product-gallery-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  bottom: 0.7rem;
  width: 2px;
  border-radius: 1px;
  background: var(--product-blue);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.32s var(--gallery-ease);
}

.product-gallery-item:hover {
  color: #1a1f26;
  background: rgba(255, 255, 255, 0.45);
}

.product-gallery-item.is-active {
  color: #1a1f26;
  background: linear-gradient(90deg, rgba(74, 159, 216, 0.08), rgba(255, 255, 255, 0.2) 70%, transparent);
}

.product-gallery-item.is-active::before {
  transform: scaleY(1);
}

.product-gallery-num {
  font-family: var(--font-display, "Syne", "Noto Sans SC", sans-serif);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: #8a96a4;
  transition: color 0.28s;
}

.product-gallery-item.is-active .product-gallery-num {
  color: var(--product-blue);
}

.product-gallery-copy {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  min-width: 0;
}

.product-gallery-name {
  font-size: clamp(0.98rem, 1.05vw, 1.12rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: inherit;
  transition: font-weight 0.2s, letter-spacing 0.2s;
}

.product-gallery-item.is-active .product-gallery-name {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.product-gallery-desc {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #7a8694;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--gallery-ease), opacity 0.3s ease;
}

.product-gallery-item.is-active .product-gallery-desc {
  max-height: 4.5rem;
  opacity: 1;
  color: #5f6b78;
}

.product-gallery-progress {
  position: absolute;
  left: 0.35rem;
  right: 0.85rem;
  bottom: 0.35rem;
  height: 1px;
  background: rgba(74, 98, 122, 0.1);
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.25s;
}

.product-gallery-item.is-active .product-gallery-progress {
  opacity: 1;
}

.product-gallery-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--product-blue);
  transform: scaleX(0);
  transform-origin: left center;
}

.product-gallery.is-playing .product-gallery-item.is-active .product-gallery-progress i {
  animation: product-gallery-progress var(--gallery-interval) linear forwards;
}

@keyframes product-gallery-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.product-gallery-stage {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  min-width: 0;
}

.product-gallery-frame {
  position: relative;
  flex: 1 1 auto;
  min-height: clamp(18rem, 42vh, 30rem);
  overflow: hidden;
  border-radius: 2px;
  background: linear-gradient(180deg, #f7fafc 0%, #e8eef5 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 18px 48px rgba(40, 55, 75, 0.1);
}

.product-gallery-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  border: 1px solid rgba(74, 98, 122, 0.12);
}

.product-gallery-corner {
  position: absolute;
  z-index: 3;
  width: 18px;
  height: 18px;
  pointer-events: none;
  color: rgba(47, 126, 200, 0.55);
}

.product-gallery-corner--tl {
  top: 10px;
  left: 10px;
  border-top: 1px solid currentColor;
  border-left: 1px solid currentColor;
}

.product-gallery-corner--br {
  right: 10px;
  bottom: 10px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
}

.product-gallery-visual {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.65s var(--gallery-ease), visibility 0.65s;
}

.product-gallery-visual.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.product-gallery-visual[hidden] {
  display: block;
}

.product-gallery-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.02);
  transition: transform 1.1s var(--gallery-ease);
}

.product-gallery-visual.is-active img {
  transform: scale(1);
}

.product-gallery:hover .product-gallery-visual.is-active img {
  transform: scale(1.025);
}


.product-gallery.is-single {
  grid-template-columns: 1fr;
  min-height: 0;
}

.product-gallery.is-single .product-gallery-frame {
  min-height: clamp(18rem, 46vh, 32rem);
}

.product-gallery-ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 0.75rem;
  justify-items: center;
  background:
    linear-gradient(145deg, rgba(74, 159, 216, 0.08), transparent 42%),
    linear-gradient(180deg, #f4f7fa 0%, #e5ecf3 100%);
  color: #4a5a6a;
}

.product-gallery-ph-mark {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  border: 1px solid rgba(47, 126, 200, 0.35);
  border-radius: 50%;
  color: var(--product-blue);
  font-family: var(--font-display, "Syne", "Noto Sans SC", sans-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.product-gallery-ph-name {
  max-width: min(22rem, 80%);
  text-align: center;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: #2a3038;
}

.product-gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: clamp(1.1rem, 2.4vw, 1.85rem) clamp(1.1rem, 2.4vw, 1.9rem);
  background: linear-gradient(180deg, transparent 0%, rgba(18, 24, 32, 0.72) 100%);
  color: #fff;
}

.product-gallery-caption h3 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.product-gallery-caption p {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(0.86rem, 1.2vw, 0.98rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
}

.product-gallery-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.5rem;
  padding: 0 0.1rem;
}

.product-gallery-meta {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  min-width: 0;
}

.product-gallery-count {
  display: inline-flex;
  align-items: baseline;
  gap: 0.28rem;
  font-family: var(--font-display, "Syne", "Noto Sans SC", sans-serif);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #2a3038;
  font-variant-numeric: tabular-nums;
}

.product-gallery-count-sep {
  color: #9aa5b2;
  font-weight: 400;
}

.product-gallery-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--product-blue);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: gap 0.25s var(--ease, ease), color 0.25s;
}

.product-gallery-link:hover {
  gap: 0.55rem;
  color: #1f6fb5;
}

.product-gallery-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.product-gallery-btn {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid rgba(74, 98, 122, 0.22);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
  color: #2a3038;
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.25s;
}

.product-gallery-btn:hover {
  border-color: var(--product-blue);
  color: var(--product-blue);
  background: #fff;
}

.product-gallery-btn:active {
  transform: scale(0.96);
}

@media (prefers-reduced-motion: reduce) {
  .product-gallery-visual,
  .product-gallery-visual img,
  .product-gallery-desc,
  .product-gallery-item::before,
  .product-gallery-progress i {
    transition-duration: 0.01ms !important;
    animation: none !important;
  }

  .product-gallery:hover .product-gallery-visual.is-active img {
    transform: none;
  }
}

@media (max-width: 1100px) {
  .product-gallery {
    grid-template-columns: minmax(15.5rem, 19.5rem) minmax(0, 1fr);
    gap: 1.25rem;
  }

  .product-gallery-name {
    font-size: 0.98rem;
  }
}

@media (max-width: 960px) {
  body.page-home .product-showcase-section.section {
    min-height: auto;
    padding-top: var(--section-pad-y);
    padding-bottom: var(--section-pad-y);
  }

  .product-showcase-tabs {
    justify-content: flex-start;
    gap: 0.05rem 0.85rem;
    margin-bottom: var(--title-gap);
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .product-showcase-tabs::-webkit-scrollbar {
    display: none;
  }

  .product-showcase-tabs button,
  .product-showcase-tab {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 1.02rem;
    padding: 0.38rem 0.15rem 0.5rem;
  }

  .product-gallery {
    grid-template-columns: 1fr;
    gap: 1.1rem;
    min-height: 0;
  }

  .product-gallery-index {
    flex-direction: row;
    overflow-x: auto;
    gap: 0.35rem;
    border-right: 0;
    border-bottom: 1px solid rgba(74, 98, 122, 0.12);
    padding: 0 0 0.85rem;
    margin-bottom: 0.15rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .product-gallery-index::-webkit-scrollbar {
    display: none;
  }

  .product-gallery-item {
    flex: 0 0 auto;
    width: min(72vw, 16.5rem);
    grid-template-columns: 1.7rem minmax(0, 1fr);
    padding: 0.7rem 0.75rem 0.85rem;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(74, 98, 122, 0.1);
  }

  .product-gallery-item::before {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: auto;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left center;
  }

  .product-gallery-item.is-active::before {
    transform: scaleX(1);
  }

  .product-gallery-desc {
    display: none;
  }

  .product-gallery-progress {
    display: none;
  }

  .product-gallery-frame {
    min-height: min(58vw, 20rem);
  }
}

@media (max-width: 640px) {
  .product-gallery-item {
    width: min(78vw, 15rem);
  }

  .product-gallery-frame {
    min-height: min(68vw, 18.5rem);
  }

  .product-gallery-bar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .product-gallery-link {
    font-size: 0.86rem;
  }

  .product-gallery-btn {
    width: 2.2rem;
    height: 2.2rem;
  }
}

.section-head {
  margin-bottom: 3rem;
  max-width: 40rem;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
  font-weight: 600;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.8vw, 2.55rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  margin-bottom: 0.9rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

/* About strip �?企业简介（白底 · 左媒右文�?*/
.intro-section {
  position: relative;
  background: #ffffff;
  overflow: hidden;
}

.intro-section::before {
  display: none;
}

.intro-section > .container {
  position: relative;
  z-index: 1;
}

/* 首页关于：整图背景 + 居中文案，上下透明度衔接 */
.intro-section--hero {
  position: relative;
  padding: var(--section-pad-y) 0 3.5rem;
  overflow: hidden;
  background: #ffffff;
  min-height: clamp(16rem, 54vh, 26rem);
}

.intro-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: inherit;
}

.intro-hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1 1 auto;
  width: min(52rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 0 1.25rem;
  overflow: visible;
}

.intro-hero-title {
  width: 100%;
  overflow: visible;
}

.intro-hero-title.section-title-layer {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--title-gap);
}

.intro-hero-text {
  margin: 0;
  max-width: 40rem;
  width: 100%;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.05vw, 1rem);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.01em;
  color: #4a5563;
  text-align: left;
  text-wrap: pretty;
}

.intro-hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 0.9rem;
  margin-top: 2.5rem;
  padding-top: 0;
}

.intro-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0;
  padding: 0.35rem 1.2rem 0.35rem 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--navy-900);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  cursor: pointer;
  border: 1px solid rgba(42, 48, 56, 0.1);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 8px 20px rgba(28, 31, 37, 0.07);
  backdrop-filter: blur(8px);
  transition:
    transform 0.25s var(--ease),
    background 0.25s,
    border-color 0.25s,
    color 0.25s,
    box-shadow 0.25s;
}

.intro-hero-cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 2.2rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  line-height: 0;
  transition: background 0.25s, color 0.25s, transform 0.25s var(--ease);
}

.intro-hero-cta-icon svg {
  display: block;
  flex-shrink: 0;
}

/* 播放三角视觉重心偏左，略右移更居中 */
.intro-hero-cta-icon--play svg {
  margin-left: 1px;
}

.intro-hero-cta-label {
  padding-right: 0.15rem;
}

.intro-hero-cta:hover {
  transform: translateY(-2px);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 12px 26px rgba(74, 159, 216, 0.28);
}

.intro-hero-cta:hover .intro-hero-cta-icon {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.intro-hero-cta:not(.intro-hero-cta--video):hover .intro-hero-cta-icon {
  transform: rotate(90deg);
}

.intro-hero-cta--video:hover .intro-hero-cta-icon {
  transform: scale(1.06);
}

/* 铺满整个简介版块（含上下 padding），避免底部只剩灰底 */
.intro-hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: auto;
  height: auto;
  margin: 0;
  overflow: hidden;
  border: 0;
  box-shadow: none;
  pointer-events: none;
  background: transparent;
}

/* 上半继续压淡（白雾），中下再逐渐显出画面 */
.intro-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #ffffff 12%,
    rgba(255, 255, 255, 0.97) 24%,
    rgba(255, 255, 255, 0.88) 38%,
    rgba(255, 255, 255, 0.62) 52%,
    rgba(255, 255, 255, 0.28) 68%,
    rgba(255, 255, 255, 0.08) 84%,
    rgba(255, 255, 255, 0) 100%
  );
  pointer-events: none;
}

.intro-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  display: block;
  opacity: 0.36;
  transform: scale(1.04);
  filter: blur(1.2px);
  -webkit-mask-image: linear-gradient(
    180deg,
    transparent 0%,
    transparent 8%,
    rgba(0, 0, 0, 0.06) 20%,
    rgba(0, 0, 0, 0.18) 36%,
    rgba(0, 0, 0, 0.42) 52%,
    rgba(0, 0, 0, 0.72) 68%,
    rgba(0, 0, 0, 0.92) 84%,
    #000 100%
  );
  mask-image: linear-gradient(
    180deg,
    transparent 0%,
    transparent 8%,
    rgba(0, 0, 0, 0.06) 20%,
    rgba(0, 0, 0, 0.18) 36%,
    rgba(0, 0, 0, 0.42) 52%,
    rgba(0, 0, 0, 0.72) 68%,
    rgba(0, 0, 0, 0.92) 84%,
    #000 100%
  );
  transition: transform 1.1s var(--ease), opacity 0.35s, filter 0.35s;
}

.intro-section--hero:hover .intro-hero-visual img {
  transform: scale(1.05);
  opacity: 0.44;
  filter: blur(1px);
}

.about-strip {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2.25rem, 5vw, 4.5rem);
  align-items: center;
}

.about-copy {
  max-width: 34rem;
}

.about-summary {
  max-width: 36em;
  margin: 0;
}

.about-summary p {
  margin: 0 0 1.15rem;
  color: #4a5563;
  font-size: clamp(0.95rem, 1.35vw, 1.05rem);
  line-height: 1.95;
}

.about-summary p:last-child {
  margin-bottom: 0;
}

.about-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.65rem 1.35rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: #1c1f25;
  letter-spacing: 0.08em;
  background: transparent;
  border: 1px solid rgba(42, 48, 56, 0.28);
  transition:
    background 0.25s,
    border-color 0.25s,
    color 0.25s,
    transform 0.2s var(--ease);
}

.about-more::after {
  content: "�?;
  font-size: 0.95em;
  transition: transform 0.25s var(--ease);
}

.about-more:hover {
  background: #2a3038;
  border-color: #2a3038;
  color: #fff;
  transform: translateY(-1px);
}

.about-more:hover::after {
  transform: translateX(3px);
}

.about-more:active {
  transform: translateY(0) scale(0.98);
}

.about-media-wrap {
  --media-frame-pad: 0.75rem;
  position: relative;
  padding: var(--media-frame-pad);
  background:
    linear-gradient(165deg, #ffffff 0%, #f4f7fb 100%);
  border: 1px solid rgba(143, 163, 184, 0.38);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 14px 36px rgba(40, 50, 65, 0.1),
    0 2px 8px rgba(40, 50, 65, 0.04);
}

/* 内层细线画框 */
.about-media-wrap::before {
  content: "";
  position: absolute;
  inset: calc(var(--media-frame-pad) - 0.3rem);
  border: 1px solid rgba(110, 124, 143, 0.22);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.75) inset;
  pointer-events: none;
  z-index: 2;
}

.about-media {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    radial-gradient(ellipse 72% 64% at 50% 42%, #1c2533 0%, #0a0e14 72%);
  border: 1px solid rgba(28, 35, 46, 0.55);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 8px 24px rgba(0, 0, 0, 0.18) inset;
}

.about-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: transparent;
}

.about-media-cover {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
  transform: scale(1.02);
  transition: transform 0.7s var(--ease), opacity 0.35s;
  filter: saturate(0.94) contrast(1.04) brightness(0.94);
}

.about-media:not(.is-playing):hover .about-media-cover {
  transform: scale(1.05);
}

.about-media.is-playing .about-media-cover {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.about-media-trigger {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  cursor: pointer;
  color: inherit;
  font: inherit;
  text-align: left;
  opacity: 1;
  background:
    radial-gradient(ellipse 50% 45% at 50% 42%, rgba(74, 159, 216, 0.14), transparent 58%),
    linear-gradient(180deg, rgba(12, 16, 24, 0.1) 0%, rgba(12, 16, 24, 0.18) 55%, rgba(12, 16, 24, 0.42) 100%);
  transition: opacity 0.28s var(--ease);
}

.about-media.is-playing .about-media-trigger {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.about-media-play {
  position: absolute;
  left: 50%;
  top: 46%;
  z-index: 3;
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s var(--ease), background 0.3s, box-shadow 0.3s, border-color 0.3s;
  pointer-events: none;
}

.about-media-play .icon-play {
  width: 22px;
  height: 22px;
  margin-left: 3px;
}

.about-media-trigger:hover .about-media-play {
  transform: translate(-50%, -50%) scale(1.06);
  background: rgba(74, 159, 216, 0.42);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.about-media-trigger:active .about-media-play {
  transform: translate(-50%, -50%) scale(0.98);
}

/* 保留�?panel 结构兼容其他页（若有�?*/
.about-panel {
  position: relative;
}

.panel-tags {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Product entries */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.product-entry {
  position: relative;
  min-height: 320px;
  padding: 1.75rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background:
    linear-gradient(180deg, rgba(53, 58, 68, 0.55), rgba(28, 31, 37, 0.9));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  transition: border-color 0.35s, transform 0.35s var(--ease);
}

.product-entry:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
}

.product-entry .idx {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: rgba(197, 205, 216, 0.08);
  line-height: 1;
}

.product-entry .wave {
  position: absolute;
  top: 2rem;
  left: 1.75rem;
  width: 72px;
  height: 72px;
  opacity: 0.55;
}

.product-entry h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
}

.product-entry p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.product-entry .link {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.product-entry .link::after {
  content: " �?;
}

/* Tech advantages */
.tech-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid rgba(197, 205, 216, 0.12);
}

.tech-item {
  padding: 2.25rem 1.75rem;
  border-right: 1px solid rgba(197, 205, 216, 0.12);
}

.tech-item:last-child {
  border-right: 0;
}

.tech-item .num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  margin-bottom: 1.25rem;
}

.tech-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.tech-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Applications */
.app-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.app-item {
  padding: 1.75rem 1.25rem;
  border-top: 2px solid var(--accent);
  background: rgba(40, 44, 52, 0.55);
  min-height: 160px;
}

.app-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.app-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Team preview */
.team-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: center;
}

.team-faces {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.face {
  aspect-ratio: 1;
  background:
    linear-gradient(160deg, var(--navy-700), var(--navy-900));
  border: 1px solid rgba(197, 205, 216, 0.1);
  display: grid;
  place-items: end start;
  padding: 1rem;
  position: relative;
  overflow: hidden;
}

.face::before {
  content: "";
  position: absolute;
  inset: 20% 20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 163, 184, 0.2), transparent 70%);
}

.face span {
  position: relative;
  font-size: 0.85rem;
  color: var(--silver-300);
}

.face strong {
  display: block;
  color: var(--white);
  font-size: 0.95rem;
}

/* Patents */
.patent-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.patent-item {
  padding: 1.75rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(20, 22, 26, 0.35);
}

.patent-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.patent-item span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* News �?首页企业动态（左轮�?+ 右编号列表） */
.home-news-section {
  position: relative;
  background: #ffffff;
  color: #2a3038;
  overflow: clip;
}

.home-news-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(110, 124, 143, 0.18), transparent);
  pointer-events: none;
}

.home-news-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 0;
  margin-bottom: var(--title-gap);
  max-width: none;
  padding: 0;
  border: 0;
}

.home-news-title {
  position: relative;
  display: grid;
  place-items: start;
  padding: 0;
  min-width: 0;
}

.home-news-en {
  position: absolute;
  left: 0.55rem;
  top: 28%;
  transform: translateY(calc(-50% - 0.35rem));
  font-family: var(--font-en);
  font-size: clamp(1.55rem, 3.2vw, 2.45rem);
  font-weight: 600;
  letter-spacing: 0.16em;
  white-space: nowrap;
  color: rgba(110, 124, 143, 0.2);
  pointer-events: none;
  user-select: none;
  line-height: 1;
  z-index: 0;
  text-transform: uppercase;
}

@media (min-width: 1400px) {
  .home-news-en {
    font-size: clamp(1.75rem, 2.4vw, 2.75rem);
  }
}

@media (min-width: 1680px) {
  .home-news-en {
    font-size: clamp(1.9rem, 2.1vw, 3rem);
  }
}

.home-news-head h2 {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: var(--title-size);
  font-weight: 700;
  letter-spacing: var(--title-tracking);
  margin: 0;
  color: var(--title-ink);
  line-height: 1.28;
  transform: translate(-0.1rem, 0.3rem);
}

.home-news-head h2::after {
  content: "";
  display: block;
  width: 2.4rem;
  height: 2px;
  margin: 0.85rem 0 0;
  background: linear-gradient(90deg, var(--accent), rgba(74, 159, 216, 0.35));
  border-radius: 2px;
}

.home-news-more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: #8a94a1;
  border: 0;
  padding: 0;
  transition: color 0.25s;
}

.home-news-more:hover {
  color: var(--accent);
}

.home-news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 1.25rem 1.75rem;
  align-items: stretch;
}

.home-news-feature {
  position: relative;
  min-width: 0;
  border-radius: 4px;
  overflow: hidden;
  background: #e8edf3;
  min-height: clamp(16rem, 32vw, 24rem);
}

.home-news-slides {
  position: absolute;
  inset: 0;
}

.home-news-slide {
  position: absolute;
  inset: 0;
  display: block;
  color: #fff;
}

.home-news-slide[hidden] {
  display: none !important;
}

.home-news-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.8s var(--ease);
}

.home-news-slide.is-active img {
  animation: homeNewsMediaIn 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.home-news-slide:hover img {
  transform: scale(1.05);
}

.home-news-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 35%,
    rgba(16, 22, 30, 0.55) 72%,
    rgba(16, 22, 30, 0.82) 100%
  );
  pointer-events: none;
}

.home-news-slide-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 1.35rem 1.4rem 2.6rem;
}

.home-news-slide-cap h3 {
  margin: 0;
  max-width: 28rem;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.4;
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.28);
}

.home-news-slide.is-active .home-news-slide-cap {
  animation: homeNewsCapIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.home-news-dots {
  position: absolute;
  left: 50%;
  bottom: 0.95rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transform: translateX(-50%);
}

.home-news-dots button {
  width: 0.42rem;
  height: 0.42rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: width 0.28s var(--ease), background 0.25s;
}

.home-news-dots button.is-active {
  width: 1.15rem;
  background: #fff;
}

.home-news-side {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

@media (min-width: 1025px) {
  .home-news-side {
    min-height: 100%;
  }

  .home-news-row {
    flex: 1 1 0;
  }
}

.home-news-row {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr) 1.1rem;
  gap: 0.85rem 0.75rem;
  align-items: start;
  flex: 0 0 auto;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  padding: 1.05rem 0.35rem 1.05rem 0;
  color: inherit;
  border-bottom: 1px solid rgba(110, 124, 143, 0.14);
  transition: background 0.25s;
  box-sizing: border-box;
}

.home-news-row:last-child {
  border-bottom: 0;
}

.home-news-index {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  color: rgba(120, 132, 148, 0.28);
  padding-top: 0.15rem;
  transition: color 0.25s;
}

.home-news-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.home-news-row h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: #1c1f25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
  transition: color 0.25s;
}

.home-news-row p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: #6e7c8f;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.home-news-row time {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: #8a94a1;
}

.home-news-arrow {
  align-self: end;
  justify-self: end;
  font-size: 1.15rem;
  line-height: 1;
  color: rgba(120, 132, 148, 0.55);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.25s, transform 0.25s, color 0.25s;
}

.home-news-row:hover .home-news-index,
.home-news-row.is-active .home-news-index {
  color: var(--accent);
}

.home-news-row:hover h3,
.home-news-row.is-active h3 {
  color: #1a5f96;
}

.home-news-row:hover .home-news-arrow,
.home-news-row.is-active .home-news-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

@keyframes homeNewsMediaIn {
  from {
    opacity: 0.55;
    transform: scale(1.06);
  }
  to {
    opacity: 1;
    transform: scale(1.02);
  }
}

@keyframes homeNewsCapIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-news-slide.is-active img,
  .home-news-slide.is-active .home-news-slide-cap {
    animation: none;
  }
}

.news-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(197, 205, 216, 0.12);
}

.news-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.12);
  transition: padding 0.3s var(--ease);
}

.news-item:hover {
  padding-left: 0.5rem;
}

.news-item time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--silver-500);
  letter-spacing: 0.06em;
}

.news-item h3 {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.news-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.news-item .tag {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  border: 1px solid var(--accent-line);
  padding: 0.3rem 0.65rem;
}

/* Page hero (inner) */
.page-hero {
  padding: calc(var(--header-h) + 4.5rem) 0 3.5rem;
  background:
    radial-gradient(ellipse 60% 80% at 90% 20%, rgba(143, 163, 184, 0.12), transparent 50%),
    linear-gradient(180deg, var(--navy-800), var(--navy-900));
  border-bottom: 1px solid rgba(197, 205, 216, 0.08);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw + 0.6rem, 3rem);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 36rem;
  font-size: clamp(0.9rem, 0.3vw + 0.82rem, 1rem);
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--silver-500);
  margin-bottom: 1.25rem;
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* About page */
.about-hero {
  padding-bottom: 0;
  overflow: hidden;
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: end;
}

.about-hero-copy {
  padding-bottom: 3.25rem;
}

.about-hero-copy h1 {
  font-size: clamp(2.1rem, 5vw, 3.25rem);
  letter-spacing: 0.06em;
  margin-bottom: 0.9rem;
  line-height: 1.15;
}

.about-hero-copy > p {
  max-width: 28rem;
  margin-bottom: 1.75rem;
  font-size: 1rem;
  line-height: 1.75;
}

.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.about-hero-media {
  position: relative;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  background: #1c1f25;
  mask-image: linear-gradient(180deg, #000 72%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 72%, transparent);
}

.about-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  opacity: 0.88;
}

.about-subnav-wrap {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(20, 22, 26, 0.96);
  border-bottom: 1px solid rgba(197, 205, 216, 0.1);
}

@supports ((-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))) {
  .about-subnav-wrap {
    background: rgba(20, 22, 26, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .about-subnav-wrap {
    background: rgba(20, 22, 26, 0.98);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

.subnav,
.about-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0.75rem 0;
  border-bottom: 0;
}

.subnav a {
  padding: 0.45rem 0.85rem;
  font-size: 0.86rem;
  color: var(--silver-400);
  border: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}

.subnav a:hover,
.subnav a.is-active {
  color: var(--white);
  border-color: rgba(197, 205, 216, 0.2);
  background: rgba(143, 163, 184, 0.08);
}

.about-intro-band {
  background: linear-gradient(180deg, #e8edf3 0%, #d5dde6 55%, #cfd7e0 100%);
  scroll-margin-top: calc(var(--header-h) + 3.5rem);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

.about-intro-lead {
  max-width: none;
  margin: 0 0 1.5rem;
  color: #2a3038;
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.8;
  font-weight: 500;
}

.about-intro-body p {
  max-width: none;
  margin: 0 0 1rem;
  color: #5a6574;
  font-size: 0.96rem;
  line-height: 1.85;
}

.about-intro-body p:last-child {
  margin-bottom: 0;
}

.about-stat-rail {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(90, 101, 116, 0.2);
}

.about-stat-rail > div {
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(90, 101, 116, 0.16);
}

.about-stat-rail strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 700;
  color: #2f7bbd;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  letter-spacing: 0.02em;
}

.about-stat-rail strong span {
  font-size: 0.72em;
  margin-left: 0.06em;
}

.about-stat-rail > div > span {
  display: block;
  font-size: 0.88rem;
  color: #6e7c8f;
}

.about-section-head {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}

.about-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.8vw, 2.55rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.85rem;
  scroll-margin-top: calc(var(--header-h) + 4rem);
}

#team,
#tech,
#honor,
#history,
#culture,
#intro {
  scroll-margin-top: calc(var(--header-h) + 3.5rem);
}

.about-section-head p {
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

.about-team-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
  gap: 1.25rem;
}

.about-team-feature {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1.35rem;
  padding: 1.75rem;
  border: 1px solid rgba(197, 205, 216, 0.14);
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, rgba(74, 159, 216, 0.08), transparent 55%),
    rgba(40, 44, 52, 0.45);
}

.about-team-avatar {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.5), transparent 52%),
    linear-gradient(165deg, #d5e0ea 0%, #b7c7d6 52%, #9aadc0 100%);
  border: 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.about-team-avatar span {
  position: relative;
  z-index: 1;
  font-family: var(--font-body);
  font-size: 1.55rem;
  font-weight: 400;
  color: rgba(42, 52, 64, 0.78);
  letter-spacing: 0.08em;
}

.about-team-feature h3,
.about-team-row h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.about-team-feature .role,
.about-team-row .role {
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.about-team-feature p,
.about-team-row p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.7;
}

.about-team-side {
  display: grid;
  gap: 1.25rem;
}

.about-team-row {
  padding: 1.5rem 1.6rem;
  border-top: 2px solid var(--steel);
  background: rgba(20, 22, 26, 0.35);
}

.about-patent-bar {
  margin-top: 0;
}

.about-honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(197, 205, 216, 0.14);
}

.about-honor-list li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.25rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.12);
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.about-honor-label {
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.04em;
  font-size: 0.92rem;
}

.about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(197, 205, 216, 0.14);
}

.about-timeline li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.12);
}

.about-timeline-step {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.1rem;
}

.about-timeline strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.about-timeline span {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.about-manifesto {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(197, 205, 216, 0.14);
}

.about-manifesto li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.12);
}

.about-manifesto-no {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.about-manifesto h3 {
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
  letter-spacing: 0.04em;
}

.about-manifesto p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 40rem;
}

/* Legacy about prose helpers (other pages may still reference) */
.prose {
  max-width: 48rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  margin: 2.5rem 0 1rem;
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.timeline {
  position: relative;
  padding-left: 1.5rem;
  border-left: 1px solid var(--accent-line);
  margin-top: 1.5rem;
}

.timeline li {
  position: relative;
  padding-bottom: 1.75rem;
  padding-left: 0.5rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -1.75rem;
  top: 0.45rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(143, 163, 184, 0.15);
}

.timeline strong {
  display: block;
  color: var(--accent);
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}

.timeline span {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.team-card {
  border: 1px solid rgba(197, 205, 216, 0.12);
  padding: 1.5rem;
  background: rgba(40, 44, 52, 0.4);
}

.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(143, 163, 184, 0.35), transparent 50%),
    var(--navy-700);
  margin-bottom: 1rem;
  border: 1px solid rgba(197, 205, 216, 0.15);
}

.team-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.team-card .role {
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.team-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.value-item {
  padding: 1.5rem;
  border-top: 2px solid var(--steel);
  background: rgba(20, 22, 26, 0.35);
}

.value-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.value-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

/* Products page */
.cat-block {
  margin-bottom: 3.5rem;
}

.cat-block h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.cat-block > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.sku-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.sku {
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(40, 44, 52, 0.35);
  padding: 1.5rem;
  transition: border-color 0.3s;
}

.sku:hover {
  border-color: var(--accent-line);
}

.sku-visual {
  height: 140px;
  margin-bottom: 1.25rem;
  background:
    radial-gradient(circle at 50% 60%, rgba(143, 163, 184, 0.2), transparent 55%),
    linear-gradient(180deg, var(--navy-700), var(--navy-900));
  border: 1px solid rgba(197, 205, 216, 0.08);
  position: relative;
  overflow: hidden;
}

.sku-visual::after {
  content: "";
  position: absolute;
  inset: 30% 25%;
  border: 1px solid var(--accent-line);
  border-radius: 50%;
}

.sku h3 {
  font-size: 1.1rem;
  margin-bottom: 0.45rem;
}

.sku p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.sku ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.sku li {
  font-size: 0.72rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(197, 205, 216, 0.15);
  color: var(--silver-400);
}

/* Solutions */
.solution-list {
  display: grid;
  gap: 1rem;
}

.solution-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(40, 44, 52, 0.3);
  transition: border-color 0.3s, background 0.3s;
}

.solution-item:hover {
  border-color: var(--accent-line);
  background: rgba(143, 163, 184, 0.06);
}

.solution-item .no {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
}

.solution-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.solution-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* News page */
.news-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.news-tabs button {
  background: transparent;
  border: 1px solid rgba(197, 205, 216, 0.18);
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  color: var(--silver-400);
  transition: 0.25s;
}

.news-tabs button.is-active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.news-feed .news-item {
  grid-template-columns: 120px 1fr;
}

.news-feed .news-item[hidden] {
  display: none;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.info-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.1);
}

.info-list strong {
  display: block;
  font-size: 0.8rem;
  color: var(--silver-500);
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  font-weight: 400;
}

.info-list span,
.info-list a {
  color: var(--silver-200);
}

.map-placeholder {
  margin-top: 1.75rem;
  height: 200px;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background:
    linear-gradient(135deg, rgba(143, 163, 184, 0.08), transparent),
    repeating-linear-gradient(0deg, transparent, transparent 24px, rgba(197, 205, 216, 0.04) 24px, rgba(197, 205, 216, 0.04) 25px),
    repeating-linear-gradient(90deg, transparent, transparent 24px, rgba(197, 205, 216, 0.04) 24px, rgba(197, 205, 216, 0.04) 25px),
    var(--navy-800);
  display: grid;
  place-items: center;
  color: var(--silver-500);
  font-size: 0.9rem;
}

.contact-form {
  border: 1px solid rgba(197, 205, 216, 0.12);
  padding: 2rem;
  background: rgba(40, 44, 52, 0.35);
}

.contact-form h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.contact-form .form-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.82rem;
  color: var(--silver-400);
}

.field input,
.field select,
.field textarea {
  background: rgba(20, 22, 26, 0.55);
  border: 1px solid rgba(197, 205, 216, 0.15);
  padding: 0.75rem 0.9rem;
  outline: none;
  transition: border-color 0.25s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.form-actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.form-note {
  font-size: 0.8rem;
  color: var(--silver-500);
}

.form-success {
  display: none;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(143, 163, 184, 0.12);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: 0.9rem;
}

.form-success.is-show {
  display: block;
}

/* Float dock �?base; labeled panel styles near homepage section */
.float-dock {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.float-dock a,
.float-dock button {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  min-width: 132px;
  width: auto;
  height: auto;
  padding: 0.7rem 0.95rem;
  background: rgba(40, 44, 52, 0.94);
  border: 1px solid rgba(197, 205, 216, 0.2);
  color: var(--silver-200);
  cursor: pointer;
  backdrop-filter: blur(10px);
  font-size: 0.84rem;
  font-family: var(--font-body);
  transition: 0.25s;
  text-align: left;
}

.float-dock a:hover,
.float-dock button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.float-dock svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Search modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: start center;
  padding-top: 15vh;
  background: rgba(20, 22, 26, 0.72);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-panel {
  width: min(560px, calc(100% - 2rem));
  background: var(--navy-800);
  border: 1px solid rgba(197, 205, 216, 0.15);
  padding: 1.25rem;
  transform: translateY(-12px);
  transition: 0.3s var(--ease);
}

.modal.is-open .modal-panel {
  transform: none;
}

.modal-panel input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.2);
  padding: 0.75rem 0;
  font-size: 1.1rem;
  outline: none;
}

.modal-panel input:focus {
  border-bottom-color: var(--accent);
}

.modal-hint {
  margin-top: 0.85rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-modal-form {
  margin: 0;
}

.search-modal-results {
  margin-top: 0.85rem;
  max-height: min(52vh, 28rem);
  overflow: auto;
  border-top: 1px solid rgba(197, 205, 216, 0.12);
  padding-top: 0.75rem;
}

.search-modal-group + .search-modal-group {
  margin-top: 0.75rem;
}

.search-modal-group__label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.search-modal-item {
  display: block;
  padding: 0.55rem 0.35rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
}

.search-modal-item:hover {
  background: rgba(74, 159, 216, 0.12);
}

.search-modal-item__title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
}

.search-modal-item__summary {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-modal-more {
  display: block;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(197, 205, 216, 0.12);
  color: var(--accent);
  font-size: 0.88rem;
  text-decoration: none;
}

.search-modal-more:hover {
  text-decoration: underline;
}

.search-modal-empty {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.video-modal {
  place-items: center;
  padding: 1.25rem;
}

.video-modal-panel {
  position: relative;
  width: min(960px, calc(100% - 2rem));
  background: #0b0e13;
  border: 1px solid rgba(197, 205, 216, 0.14);
  padding: 0;
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: 0.3s var(--ease);
}

.video-modal.is-open .video-modal-panel {
  transform: none;
}

.video-modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  z-index: 2;
  width: 2.1rem;
  height: 2.1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 24, 30, 0.72);
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s;
}

.video-modal-close:hover {
  background: rgba(74, 159, 216, 0.9);
}

.video-modal-panel video {
  display: block;
  width: 100%;
  max-height: min(78vh, 540px);
  background: #000;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

/* Footer �?多列导航 + 竖线右侧联系区（底栏版权白底�?*/
.site-footer {
  border-top: 1px solid rgba(74, 159, 216, 0.12);
  background:
    radial-gradient(ellipse 70% 55% at 12% 0%, rgba(74, 159, 216, 0.08), transparent 55%),
    linear-gradient(180deg, #0d141c 0%, #090e14 100%);
  color: var(--text);
  padding: 0;
  overflow: hidden;
}

.site-footer > .container {
  padding-top: clamp(2.25rem, 2.8vw, 2.75rem);
  padding-bottom: clamp(2rem, 2.6vw, 2.75rem);
  padding-left: clamp(2.75rem, 6vw, 5rem);
  padding-right: clamp(2rem, 4.5vw, 3.5rem);
  box-sizing: border-box;
}

.footer-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 220px);
  gap: clamp(1.75rem, 2.8vw, 2.5rem) clamp(1.75rem, 2.2vw, 2.25rem);
  align-items: start;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(11.5rem, 1fr));
  gap: clamp(1.25rem, 2vw, 1.75rem) clamp(1.5rem, 2.4vw, 2.5rem);
  min-width: 0;
}

.footer-col {
  min-width: 0;
}

.footer-col h4 {
  display: block;
  margin: 0 0 1.35rem;
  padding: 0;
  border: 0;
  font-family: var(--font-body, inherit);
  font-size: clamp(1.05rem, 1.15vw, 1.18rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: #ffffff;
}

.footer-col h4::after {
  display: none;
}

.footer-col-icon {
  display: none;
}

.footer-col a {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.28rem 0;
  border: 0;
  font-size: clamp(0.82rem, 0.92vw, 0.9rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.85;
  color: rgba(220, 226, 234, 0.72);
  text-decoration: none;
  transition: color 0.22s ease;
  overflow-wrap: anywhere;
}

.footer-col a:hover {
  color: #ffffff;
  transform: none;
  text-decoration: none;
}

.footer-aside {
  padding-left: clamp(1.25rem, 2vw, 1.75rem);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.15rem;
  min-height: 100%;
  min-width: 0;
  max-width: 15.5rem;
}

.footer-aside-title {
  position: static;
  margin: 0;
  padding: 0;
  border: 0;
  font-family: var(--font-body, inherit);
  font-size: clamp(1.05rem, 1.15vw, 1.18rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: #ffffff;
}

.footer-aside-title::after {
  display: none;
}

.footer-aside-qrs {
  display: flex;
  justify-content: flex-start;
  gap: 0.85rem;
}

.footer-aside-qr {
  margin: 0;
  text-align: center;
  max-width: 8rem;
}

.footer-aside-qr img,
.footer-aside-qr-placeholder {
  width: 6.75rem;
  max-width: 6.75rem;
  height: 6.75rem;
  aspect-ratio: 1;
  object-fit: contain;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  background: #fff;
  border: 0;
  padding: 0.12rem;
  box-sizing: border-box;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.22);
}

.footer-aside-qr img {
  display: block;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.footer-aside-qr-placeholder {
  color: rgba(28, 43, 58, 0.45);
}

.footer-aside-qr figcaption {
  margin-top: 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  line-height: 1.65;
  color: #ffffff;
  font-weight: 500;
}

.footer-aside-info {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 0.95rem;
}

.footer-aside-info li {
  display: grid;
  grid-template-columns: 1rem 1fr;
  gap: 0.55rem;
  align-items: start;
  font-size: 0.8rem;
  line-height: 1.7;
  color: #ffffff;
  text-align: left;
}

.footer-aside-info svg {
  width: 1rem;
  height: 1rem;
  margin-top: 0.15rem;
  color: var(--accent);
}

.footer-aside-info a {
  color: #ffffff;
  font-weight: 500;
  transition: color 0.25s;
}

.footer-aside-info a:hover {
  color: var(--accent);
}

.footer-bottom {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  width: 100%;
  margin: 0;
  padding: 1.35rem 1.25rem 1.55rem;
  border-top: 1px solid rgba(110, 124, 143, 0.14);
  background: #f7f9fb;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.9;
  color: #6e7c8f;
  box-sizing: border-box;
}

.footer-bottom p {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0;
  line-height: inherit;
}

.footer-bottom a {
  color: inherit;
  transition: color 0.25s;
}

.footer-bottom a:hover {
  color: var(--accent);
}

.footer-sep {
  margin: 0 0.55rem;
  color: rgba(110, 124, 143, 0.4);
}

.footer-bottom .footer-aliyun-mark {
  background: #ff6a00;
}

.footer-icp,
.footer-beian,
.footer-privacy {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.footer-icp img,
.footer-beian img {
  width: 14px;
  height: 14px;
  display: block;
  flex-shrink: 0;
}

.footer-aliyun {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-aliyun-mark {
  display: inline-grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
  border-radius: 2px;
  background: #ff6a00;
  color: #fff;
  font-size: 0.55rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

@media (max-width: 720px) {
  .footer-bottom p {
    flex-direction: column;
    gap: 0.25rem;
  }

  .footer-sep {
    display: none;
  }
}

/* Mobile dock：已停用，保留选择器避免旧缓存残留 */
.mobile-dock {
  display: none !important;
}

.mobile-dock a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.7rem 0.4rem 0.85rem;
  font-size: 0.72rem;
  color: var(--silver-400);
}

.mobile-dock a:hover {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-strip,
  .about-hero-grid,
  .about-intro-grid,
  .about-team-layout,
  .team-row,
  .contact-layout,
  .home-news-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .home-news-feature {
    min-height: clamp(14rem, 52vw, 20rem);
  }

  .home-news-side {
    min-height: 0;
    width: 100%;
  }

  .home-news-row {
    grid-template-columns: 2.75rem minmax(0, 1fr);
    gap: 0.65rem 0.75rem;
    padding: 1rem 0;
    flex: none;
  }

  .home-news-arrow {
    display: none;
  }

  .about-media-wrap {
    --media-frame-pad: 0.55rem;
  }

  .about-hero-media {
    aspect-ratio: 16 / 9;
    mask-image: none;
    -webkit-mask-image: none;
    order: -1;
  }

  .about-hero-media img,
  .about-intro-media img,
  .home-team-lead-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .about-hero-copy {
    padding-bottom: 2.5rem;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-honor-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .product-grid,
  .tech-row,
  .app-list,
  .patent-bar,
  .sku-grid,
  .team-grid,
  .values,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-item {
    border-right: 0;
    border-bottom: 1px solid rgba(197, 205, 216, 0.12);
  }

  .tech-item:nth-child(odd) {
    border-right: 1px solid rgba(197, 205, 216, 0.12);
  }

  .solution-item {
    grid-template-columns: 60px 1fr;
  }

  .solution-item .btn {
    display: none;
  }
}

@media (max-width: 860px) {
  :root {
    --container: min(1480px, calc(100% - 2rem));
    --nav-width: min(1480px, calc(100vw - 2rem));
  }

  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 10030;
  }

  .nav > .nav-item + .nav-item::before {
    display: none;
  }

  .nav > .nav-item + .nav-item {
    padding-left: 0;
  }

  body.nav-open {
    overflow: hidden;
  }

  body.nav-open .site-header {
    z-index: 10010;
    overflow: visible;
    /* 避免 blur 形成 containing block，把 fixed 抽屉裁进顶栏高度 */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  /* 全屏菜单下遮罩仅作入场过渡底色，面板盖住后不可见 */
  body.nav-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(6, 10, 16, 0.72);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    animation: navScrimIn 0.28s ease both;
  }

  @keyframes navScrimIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  .nav {
    --nav-drawer-pad-x: clamp(1.15rem, 4.8vw, 1.6rem);
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100dvh;
    z-index: 10020;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0;
    background:
      radial-gradient(ellipse 80% 42% at 100% 0%, rgba(74, 159, 216, 0.16), transparent 58%),
      radial-gradient(ellipse 55% 36% at 0% 100%, rgba(47, 123, 189, 0.1), transparent 55%),
      linear-gradient(180deg, #151b24 0%, #10151c 48%, #0c1016 100%);
    border: 0;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      inset 0 -1px 0 rgba(0, 0, 0, 0.35);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    transform: translate3d(100%, 0, 0);
    transition: transform 0.36s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .nav.is-open {
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.07),
      0 0 0 1px rgba(0, 0, 0, 0.25);
  }

  .nav-drawer-head {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0.65rem;
    flex: 0 0 auto;
    min-height: calc(var(--header-h) + 0.1rem);
    padding:
      max(0.55rem, env(safe-area-inset-top, 0px))
      calc(var(--nav-drawer-pad-x) + 3rem)
      0.7rem
      var(--nav-drawer-pad-x);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 0;
    text-align: left;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
      rgba(15, 20, 27, 0.92);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  }

  .nav-drawer-head::before {
    content: none;
  }

  .nav-drawer-kicker {
    display: none;
  }

  .nav-drawer-brand {
    display: inline-flex;
    align-items: center;
    max-width: min(16.5rem, 72vw);
    text-decoration: none;
  }

  .nav-drawer-logo {
    display: block;
    width: auto;
    max-width: 100%;
    height: 2.85rem;
    object-fit: contain;
    object-position: left center;
    filter: none;
  }

  .nav-row {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
  }

  .nav-row-balance {
    display: block;
    flex: 0 0 2.5rem;
    width: 2.5rem;
    height: 2.5rem;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-expand {
    position: static;
    right: auto;
    top: auto;
    transform: none;
    display: grid;
    place-items: center;
    flex: 0 0 2.5rem;
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .nav-expand::before {
    content: "";
    width: 0.45rem;
    height: 0.45rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translate(-1px, -1px);
    transition: transform 0.28s var(--ease);
  }

  .nav-expand:hover,
  .nav-expand:focus-visible {
    background: transparent;
    border-color: transparent;
    color: #fff;
    outline: none;
  }

  .nav-expand:active {
    transform: scale(0.96);
  }

  .nav-item.is-expanded > .nav-row .nav-expand {
    background: transparent;
    border-color: transparent;
    color: var(--accent);
  }

  .nav-item.is-expanded > .nav-row .nav-expand::before {
    transform: rotate(225deg) translate(-1px, -1px);
  }

  .nav > .nav-item {
    width: 100%;
    flex: 0 0 auto;
    display: block;
    justify-content: initial;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0 var(--nav-drawer-pad-x);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent);
  }

  .nav > .nav-item:last-of-type,
  .nav > .nav-item.nav-item--contact {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav a {
    display: block;
    width: 100%;
    font-size: 1rem;
    letter-spacing: 0.04em;
    padding: 0.95rem 0.15rem;
    color: rgba(255, 255, 255, 0.9);
    min-height: 2.75rem;
    text-align: center;
    white-space: normal;
  }

  .nav a::after {
    display: none;
  }

  .nav > .nav-item > a,
  .nav > .nav-item > .nav-row > a {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1.4;
    padding: 1rem 0.5rem;
    color: rgba(255, 255, 255, 0.92);
    text-align: center;
    border-radius: 0;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
    transition: color 0.2s var(--ease);
  }

  .nav > .nav-item > .nav-row > a {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    padding: 1rem 0.2rem;
  }

  .nav > .nav-item > a:hover,
  .nav > .nav-item > .nav-row > a:hover {
    color: #fff;
    background: transparent;
  }

  .nav > .nav-item > a.is-active,
  .nav > .nav-item > .nav-row > a.is-active {
    color: var(--accent);
    background: transparent;
    box-shadow: none;
  }

  .nav-item--contact {
    margin-top: 0;
    padding-bottom: 0;
  }

  .nav > .nav-item--contact > a {
    padding: 1rem 0.5rem;
  }

  .nav-drawer-foot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    margin-top: auto;
    padding:
      1.25rem var(--nav-drawer-pad-x)
      max(1.45rem, env(safe-area-inset-bottom, 0px) + 1.05rem);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%),
      linear-gradient(180deg, #10161e 0%, #0a0e13 100%);
    box-shadow: 0 -10px 28px rgba(0, 0, 0, 0.28);
    text-align: center;
  }

  .nav-drawer-langs {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0.2rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.08),
      0 4px 14px rgba(0, 0, 0, 0.22);
    width: fit-content;
    margin-inline: auto;
  }

  .nav-drawer-langs a {
    min-height: 0;
    width: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.42rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8125rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    text-decoration: none;
  }

  .nav-drawer-langs .lang-flag {
    width: 24px;
    height: 16px;
    display: block;
    flex-shrink: 0;
    border-radius: 3px;
    box-shadow:
      0 0 0 1px rgba(255, 255, 255, 0.22),
      0 1px 2px rgba(0, 0, 0, 0.28);
  }

  .nav-drawer-langs .lang-globe {
    width: 22px;
    height: 22px;
    display: block;
    flex-shrink: 0;
  }

  .nav-drawer-langs a + a {
    padding-left: 0.9rem;
    border-left: 0;
  }

  .nav-drawer-langs a.is-active {
    background: rgba(74, 159, 216, 0.22);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }

  .nav a.nav-drawer-tel {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: calc(100% + (var(--nav-drawer-pad-x) * 2));
    max-width: none;
    min-height: 0;
    margin: 0 0 0 calc(var(--nav-drawer-pad-x) * -1);
    padding: 1rem var(--nav-drawer-pad-x) !important;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: rgba(255, 255, 255, 0.88) !important;
    text-align: center;
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
  }

  .nav-drawer-tel__icon {
    display: grid;
    place-items: center;
    width: 1.15rem;
    height: 1.15rem;
    flex-shrink: 0;
    border-radius: 0;
    background: transparent;
    color: var(--accent);
    box-shadow: none;
  }

  .nav-drawer-tel__icon svg {
    width: 1.15rem;
    height: 1.15rem;
  }

  .nav a.nav-drawer-tel:hover,
  .nav a.nav-drawer-tel:active {
    color: #fff !important;
    background: transparent;
    border-top-color: rgba(255, 255, 255, 0.16);
  }

  .lang-switch {
    display: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .nav.is-open > .nav-item,
    .nav.is-open > .nav-drawer-head,
    .nav.is-open > .nav-drawer-foot {
      animation: navItemIn 0.48s cubic-bezier(0.22, 1, 0.36, 1) both;
    }

    .nav.is-open > .nav-drawer-head { animation-delay: 0.05s; }
    .nav.is-open > .nav-item:nth-child(2) { animation-delay: 0.09s; }
    .nav.is-open > .nav-item:nth-child(3) { animation-delay: 0.13s; }
    .nav.is-open > .nav-item:nth-child(4) { animation-delay: 0.17s; }
    .nav.is-open > .nav-item:nth-child(5) { animation-delay: 0.21s; }
    .nav.is-open > .nav-item:nth-child(6) { animation-delay: 0.25s; }
    .nav.is-open > .nav-item:nth-child(7) { animation-delay: 0.29s; }
    .nav.is-open > .nav-drawer-foot { animation-delay: 0.34s; }
  }

  @keyframes navItemIn {
    from {
      opacity: 0;
      transform: translate3d(0, 14px, 0);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .nav,
    .nav.is-open,
    body.nav-open::before {
      transition: none !important;
      animation: none !important;
    }

    .nav {
      transform: translate3d(100%, 0, 0);
    }

    .nav.is-open {
      transform: none;
    }
  }

  .product-grid,
  .tech-row,
  .app-list,
  .patent-bar,
  .sku-grid,
  .team-grid,
  .values,
  .footer-grid,
  .form-grid,
  .team-faces {
    grid-template-columns: 1fr;
  }

  .tech-item:nth-child(odd) {
    border-right: 0;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .home-news-layout {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .home-news-feature {
    min-height: 13.5rem;
  }

  .home-news-side {
    min-height: 0;
  }

  .home-news-row {
    grid-template-columns: 2.6rem minmax(0, 1fr);
    gap: 0.55rem 0.65rem;
    padding: 0.95rem 0;
    flex: none;
  }

  .home-news-arrow {
    display: none;
  }

  .home-news-slide-cap {
    padding: 1rem 1rem 2.35rem;
  }

  .news-item .tag {
    justify-self: start;
  }

  .float-dock,
  .mobile-dock {
    display: none !important;
  }

  .hero-content {
    padding-bottom: 4rem;
  }

  .section {
    --section-pad-y: 2.35rem;
    padding: var(--section-pad-y) 0;
  }
}

/* ---------- Tec-Do inspired additions ---------- */
.scroll-progress {
  position: fixed;
  top: 50%;
  right: 1.1rem;
  z-index: 110;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--silver-500);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
}

.header-cta {
  margin-left: 0.15rem;
}

.nav-item {
  position: relative;
}

.nav-item.has-sub > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 0.35rem;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  vertical-align: middle;
  opacity: 0.55;
}

.nav-sub {
  position: absolute;
  /* 贴住一级菜单，避免 0.35rem 空隙导致移入二级时 :hover 断开 */
  top: 100%;
  left: 0;
  min-width: 160px;
  padding: 0.55rem;
  background: rgba(28, 31, 37, 0.96);
  border: 1px solid rgba(197, 205, 216, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: 0.25s var(--ease);
  z-index: 120;
}

/* 透明桥接区：鼠标从一级滑到二级时保持悬停 */
.nav-sub::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -0.55rem;
  height: 0.55rem;
}

.nav-item.has-sub.is-hover .nav-sub {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  pointer-events: auto !important;
}

/* 点击子项后强制收起；优先级高于 is-hover */
.nav-item.has-sub.is-nav-closed .nav-sub,
.nav-item.has-mega.is-nav-closed .nav-mega,
.nav-item.has-sub.is-nav-closed.is-hover .nav-sub,
.nav-item.has-mega.is-nav-closed.is-hover .nav-mega {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(6px) !important;
}

.nav-sub a {
  display: block;
  padding: 0.55rem 0.75rem !important;
  font-size: 0.85rem !important;
  color: var(--silver-400) !important;
}

.nav-sub a::after {
  display: none !important;
}

.nav-sub a:hover {
  color: var(--white) !important;
  background: rgba(143, 163, 184, 0.1);
}

.hero-immersive {
  align-items: center;
}

.hero-content-center {
  text-align: center;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 6rem;
}

.hero-kicker {
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  color: var(--silver-400);
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.05s forwards;
}

.hero-content-center .hero-brand {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  margin-bottom: 0.85rem;
}

.hero-en {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: riseIn 1s var(--ease) 0.28s forwards;
}

.hero-content-center .hero-desc {
  max-width: 40em;
}

.hero-content-center .hero-cta {
  justify-content: center;
}

.hero-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  color: var(--silver-500);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.hero-scroll-hint i {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

.capabilities {
  padding-top: 0;
  margin-top: -3.5rem;
  position: relative;
  z-index: 3;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.cap-card {
  padding: 1.75rem 1.5rem;
  background: rgba(40, 44, 52, 0.92);
  border: 1px solid rgba(197, 205, 216, 0.14);
  backdrop-filter: blur(10px);
  min-height: 220px;
  transition: border-color 0.3s, transform 0.35s var(--ease);
}

.cap-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
}

.cap-icon {
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.cap-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.cap-card li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
}

.cap-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.section-platform {
  background:
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(143, 163, 184, 0.1), transparent 55%),
    var(--navy-900);
}

.platform-head {
  text-align: center;
  max-width: 46rem;
  margin: 0 auto 3rem;
}

.platform-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0.5rem 0 1rem;
}

.platform-title em {
  font-style: normal;
  color: var(--accent);
}

.platform-sub {
  font-size: 1.15rem;
  color: var(--silver-200);
  margin-bottom: 0.85rem;
}

.platform-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.platform-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
  margin-bottom: 2rem;
}

.platform-pane {
  padding: 2rem 1.75rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: linear-gradient(160deg, rgba(53, 58, 68, 0.55), rgba(20, 22, 26, 0.55));
  min-height: 240px;
}

.pane-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.platform-pane h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.pane-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pane-tags span {
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(197, 205, 216, 0.16);
  font-size: 0.82rem;
  color: var(--silver-300);
}

.platform-cta {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.section-head-center {
  text-align: center;
  margin-inline: auto;
}

/* 区块标题：中文主标题 + 英文副标题（全站统一上下边距） */
.section-title-layer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 0;
  margin-right: auto;
  margin-bottom: var(--title-gap);
  margin-left: auto;
  padding: 0 1rem;
  max-width: 100%;
  gap: 0.28rem;
}

.section-title-layer h2 {
  position: relative;
  z-index: 1;
  order: 1;
  font-family: var(--font-display);
  font-size: var(--title-size);
  font-weight: 700;
  letter-spacing: var(--title-tracking);
  color: var(--title-ink);
  margin: 0;
  line-height: 1.28;
}

.section-title-layer h2::after {
  content: none;
}

.section-title-en {
  position: static;
  order: 2;
  display: block;
  transform: none;
  left: auto;
  top: auto;
  font-family: var(--font-en);
  font-size: var(--title-en-size);
  font-weight: 500;
  letter-spacing: 0.16em;
  white-space: nowrap;
  color: rgba(110, 124, 143, 0.38);
  pointer-events: none;
  user-select: none;
  line-height: 1.2;
  text-transform: uppercase;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.why-card {
  padding: 1.75rem;
  border-top: 2px solid var(--accent);
  background: rgba(40, 44, 52, 0.45);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 240px;
}

.why-card blockquote {
  font-size: 0.95rem;
  color: var(--silver-200);
  line-height: 1.75;
}

.why-card footer strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.2rem;
}

.why-card footer span {
  font-size: 0.8rem;
  color: var(--silver-500);
}

.case-nav {
  display: flex;
  gap: 0.45rem;
}

.case-nav-btn {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(197, 205, 216, 0.2);
  background: transparent;
  color: var(--silver-300);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  transition: 0.25s;
}

.case-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.case-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  padding: 2rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(20, 22, 26, 0.4);
  align-items: center;
}

.case-card[hidden] {
  display: none;
}

.case-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.case-meta h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.case-meta p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.case-metrics {
  display: grid;
  gap: 1rem;
}

.case-metrics div {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--accent);
  background: rgba(143, 163, 184, 0.06);
}

.case-metrics strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.case-metrics span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.case-note {
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--silver-500);
}

.section-trust {
  text-align: center;
  background:
    linear-gradient(180deg, rgba(143, 163, 184, 0.08), transparent 40%),
    var(--navy-800);
}

.trust-head {
  max-width: 40rem;
  margin: 0 auto 2.5rem;
}

.trust-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.85rem;
}

.trust-head p {
  color: var(--text-muted);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.logo-wall span {
  padding: 0.75rem 1.25rem;
  border: 1px solid rgba(197, 205, 216, 0.14);
  color: var(--silver-400);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  min-width: 140px;
  background: rgba(20, 22, 26, 0.35);
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.trust-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.trust-stats span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cta-band {
  padding: 4.5rem 0;
  background:
    radial-gradient(ellipse 70% 100% at 50% 100%, rgba(143, 163, 184, 0.18), transparent 55%),
    linear-gradient(180deg, var(--navy-800), var(--navy-950));
  border-top: 1px solid rgba(197, 205, 216, 0.1);
}

.cta-band-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.55rem;
}

.cta-band p {
  color: var(--text-muted);
  max-width: 32rem;
}

.cta-band-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.consult-pill {
  display: none;
}

.float-dock {
  bottom: 1.5rem;
}

/* ---------- Immersive banner carousel ---------- */
.banner {
  --banner-duration: 6.5s;
  --_banner-overlay: var(--page-header-overlay, 0.4);
  --_banner-overlay-k: calc(var(--_banner-overlay) / 0.4);
  /* 后台高度为设计高度，自适应时不超过视口 */
  --banner-h-max: var(--page-header-height-max, 720px);
  --banner-h-min: var(--page-header-height-min, 480px);
  position: relative;
  height: min(var(--banner-h-max), 100dvh);
  min-height: min(var(--banner-h-min), 100dvh);
  max-height: 100dvh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(165deg, #d8dee6 0%, #c5cdd8 45%, #b4becb 100%);
  transition: height 0.45s var(--ease), min-height 0.45s var(--ease);
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  /* 上下暗、中间亮；深度受后台遮罩设置控制 */
  background:
    linear-gradient(
      180deg,
      rgba(12, 18, 28, calc(0.58 * var(--_banner-overlay-k))) 0%,
      rgba(12, 18, 28, calc(0.28 * var(--_banner-overlay-k))) 18%,
      rgba(12, 18, 28, calc(0.06 * var(--_banner-overlay-k))) 38%,
      rgba(12, 18, 28, calc(0.02 * var(--_banner-overlay-k))) 50%,
      rgba(12, 18, 28, calc(0.08 * var(--_banner-overlay-k))) 62%,
      rgba(12, 18, 28, calc(0.34 * var(--_banner-overlay-k))) 82%,
      rgba(12, 18, 28, calc(0.62 * var(--_banner-overlay-k))) 100%
    );
  pointer-events: none;
  transition: background 1s var(--ease), opacity 0.45s var(--ease);
  opacity: min(1, calc(0.15 + var(--_banner-overlay) * 2.1));
}

.banner-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.banner-bgs {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.banner-bg {
  position: absolute;
  inset: 0;
  opacity: 1;
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(100%, 0, 0);
  transition: transform 0.72s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  background: #c5cdd8;
  z-index: 0;
  will-change: transform;
}

.banner.is-dir-prev .banner-bg:not(.is-active):not(.is-leave) {
  transform: translate3d(-100%, 0, 0);
}

.banner-bg.is-active,
.banner-bg.is-leave {
  visibility: visible;
  pointer-events: auto;
}

.banner-bg.is-active {
  transform: translate3d(0, 0, 0);
  z-index: 2;
}

.banner-bg.is-leave {
  transform: translate3d(0, 0, 0);
  z-index: 1;
}

.banner.is-transitioning .banner-bg.is-active .bg-photo,
.banner.is-transitioning .banner-bg.is-leave .bg-photo {
  animation: none;
}

.banner-bg .bg-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transition: transform 1.4s var(--ease), object-position 0.6s var(--ease);
  filter: brightness(1.08) contrast(1.04) saturate(1.05);
}

.banner-bg .bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  background: #0c121c;
}

.banner-bg.has-video .bg-mesh,
.banner-bg.has-video .bg-beam,
.banner-bg.has-video .bg-ripple {
  display: none;
}

.banner-bg.has-video .bg-photo[hidden] {
  display: none !important;
}

.banner-bg.is-active .bg-photo {
  animation: kenBurns 16s ease-in-out infinite alternate;
}

@keyframes kenBurns {
  from { transform: scale(1.03) translate(0, 0); }
  to { transform: scale(1.08) translate(-1%, 0.6%); }
}

.banner-bg .bg-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: min(1, calc(var(--_banner-overlay, var(--page-header-overlay, 0.4)) * 1.375));
  transition: opacity 0.45s var(--ease);
  /* 主题色轻�?+ 上下暗带，强化中间透亮 */
  background:
    linear-gradient(
      180deg,
      rgba(8, 14, 22, 0.42) 0%,
      rgba(8, 14, 22, 0.12) 22%,
      transparent 40%,
      transparent 58%,
      rgba(8, 14, 22, 0.18) 78%,
      rgba(8, 14, 22, 0.5) 100%
    ),
    radial-gradient(ellipse 55% 48% at 50% 48%, rgba(255, 255, 255, 0.08), transparent 70%);
}

/* 主题色轻晕，动画层更有活�?*/
.banner-bg[data-bg="0"] .bg-tint {
  background:
    linear-gradient(
      180deg,
      rgba(8, 14, 22, 0.42) 0%,
      rgba(8, 14, 22, 0.12) 22%,
      transparent 40%,
      transparent 58%,
      rgba(8, 14, 22, 0.18) 78%,
      rgba(8, 14, 22, 0.5) 100%
    ),
    radial-gradient(ellipse 48% 52% at 30% 48%, rgba(56, 140, 220, 0.14), transparent 68%),
    radial-gradient(ellipse 55% 48% at 50% 48%, rgba(255, 255, 255, 0.06), transparent 70%);
}

.banner-bg[data-bg="0"] .bg-photo {
  object-position: 28% center;
}

.banner-bg[data-bg="1"] .bg-tint {
  background:
    linear-gradient(
      180deg,
      rgba(8, 14, 22, 0.42) 0%,
      rgba(8, 14, 22, 0.12) 22%,
      transparent 40%,
      transparent 58%,
      rgba(8, 14, 22, 0.18) 78%,
      rgba(8, 14, 22, 0.5) 100%
    ),
    radial-gradient(ellipse 55% 50% at 70% 42%, rgba(32, 196, 180, 0.18), transparent 65%),
    radial-gradient(ellipse 55% 48% at 50% 48%, rgba(255, 255, 255, 0.06), transparent 70%);
}

.banner-bg[data-bg="2"] .bg-tint {
  background:
    linear-gradient(
      180deg,
      rgba(8, 14, 22, 0.42) 0%,
      rgba(8, 14, 22, 0.12) 22%,
      transparent 40%,
      transparent 58%,
      rgba(8, 14, 22, 0.18) 78%,
      rgba(8, 14, 22, 0.5) 100%
    ),
    radial-gradient(ellipse 55% 50% at 70% 42%, rgba(100, 130, 255, 0.16), transparent 65%),
    radial-gradient(ellipse 55% 48% at 50% 48%, rgba(255, 255, 255, 0.06), transparent 70%);
}

.banner-bg .bg-mesh,
.banner-bg .bg-beam,
.banner-bg .bg-ripple {
  z-index: 2;
  opacity: 0.55;
}

.banner-bg .bg-mesh {
  position: absolute;
  inset: -15%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, black 10%, transparent 72%);
}

.banner-bg[data-bg="0"] .bg-mesh {
  animation: meshDrift 18s linear infinite;
}

/* 温区：轻量网�?+ 淡扫�?+ 层带 */
.banner-bg[data-bg="1"] .bg-mesh {
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.06) 1px, transparent 1px);
  background-size: 100% 48px;
  mask-image: linear-gradient(90deg, transparent, black 30%, black 80%, transparent);
  animation: meshRise 12s linear infinite;
  opacity: 0.35;
}

.banner-bg[data-bg="1"] .bg-beam {
  width: 28%;
  height: 120%;
  left: 0;
  top: -10%;
  background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.22), transparent);
  transform: none;
  animation: beamScanX 7s linear infinite;
  filter: blur(28px);
  opacity: 0.4;
}

.banner-bg[data-bg="1"] .bg-ripple {
  inset: 20% 10% 20% 45%;
  border-radius: 0;
  border: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 40px,
      rgba(45, 212, 191, 0.06) 40px,
      rgba(45, 212, 191, 0.06) 41px
    );
  box-shadow: none;
  animation: bandShift 8s ease-in-out infinite;
  transform: none;
  opacity: 0.45;
}

/* 测控：斜向电路网格（静态，无波动） */
.banner-bg[data-bg="2"] .bg-mesh {
  background-image:
    linear-gradient(135deg, rgba(130, 160, 255, 0.07) 1px, transparent 1px),
    linear-gradient(45deg, rgba(130, 160, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: none;
  opacity: 0.7;
  mask-image: radial-gradient(ellipse 55% 65% at 72% 48%, black 15%, transparent 72%);
}

@keyframes meshDrift {
  from { transform: translate(0, 0); }
  to { transform: translate(-64px, -64px); }
}

@keyframes meshRise {
  from { transform: translateY(0); }
  to { transform: translateY(-48px); }
}

@keyframes meshSkew {
  from { transform: translate(0, 0) rotate(0deg); }
  to { transform: translate(-48px, 48px) rotate(0deg); }
}

.banner-bg .bg-beam {
  position: absolute;
  filter: blur(18px);
}

/* 轨道斜向光带 */
.banner-bg[data-bg="0"] .bg-beam {
  width: 140%;
  height: 42%;
  left: -20%;
  top: 28%;
  background: linear-gradient(90deg, transparent, rgba(74, 159, 216, 0.38), transparent);
  transform: rotate(-18deg);
  animation: beamSweep 7s ease-in-out infinite;
}

/* 测控：竖直脉冲光�?*/
.banner-bg[data-bg="2"] .bg-beam {
  width: 40%;
  height: 22%;
  right: 8%;
  top: 38%;
  left: auto;
  background: linear-gradient(180deg, transparent, rgba(130, 160, 255, 0.22), transparent);
  transform: none;
  animation: none;
  opacity: 0.55;
}

@keyframes beamSweep {
  0%, 100% { opacity: 0.25; transform: rotate(-18deg) translateX(-8%); }
  50% { opacity: 0.85; transform: rotate(-18deg) translateX(8%); }
}

@keyframes beamScanX {
  0% { transform: translateX(-40%); opacity: 0.2; }
  50% { opacity: 0.9; }
  100% { transform: translateX(320%); opacity: 0.2; }
}

@keyframes beamPulseY {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 0.95; transform: scaleY(1.15); }
}

.banner-bg .bg-ripple {
  position: absolute;
}

/* 第一帧量子图：弱化叠加，突出底图 */
.banner-bg[data-bg="0"] .bg-mesh,
.banner-bg[data-bg="0"] .bg-beam,
.banner-bg[data-bg="0"] .bg-ripple {
  display: none;
}

.banner[data-theme="0"] .banner-orb-b,
.banner[data-theme="0"] .banner-orb-c {
  display: none;
}

.banner[data-theme="0"] .hero-canvas {
  opacity: 0.95;
  mix-blend-mode: normal;
  z-index: 2;
  pointer-events: none;
}

.banner[data-theme="0"] .banner-particles {
  opacity: 0.22;
}

.banner[data-theme="0"] .banner-scan,
.banner[data-theme="0"] .hero-grid {
  opacity: 0.06;
}

.banner[data-theme="0"] .banner-orb-a {
  opacity: 0.16;
  left: 12%;
  right: auto;
  top: 20%;
}

/* 测控：方�?HUD（已关闭�?*/
.banner-bg[data-bg="2"] .bg-ripple {
  display: none;
}

@keyframes ripplePulse {
  0%, 100% { transform: translateY(-50%) scale(0.92); opacity: 0.55; }
  50% { transform: translateY(-50%) scale(1.06); opacity: 1; }
}

@keyframes bandShift {
  0%, 100% { opacity: 0.45; transform: translateY(0); }
  50% { opacity: 0.9; transform: translateY(-12px); }
}

@keyframes hudBlink {
  0%, 100% { opacity: 0.4; transform: translateY(-50%) scale(0.96); }
  50% { opacity: 1; transform: translateY(-50%) scale(1); }
}

.banner-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: min(1, calc(var(--_banner-overlay, var(--page-header-overlay, 0.4)) * 2.5));
  transition: opacity 0.45s var(--ease);
  background:
    linear-gradient(
      180deg,
      rgba(6, 10, 18, 0.5) 0%,
      rgba(6, 10, 18, 0.18) 16%,
      transparent 34%,
      transparent 66%,
      rgba(6, 10, 18, 0.22) 84%,
      rgba(6, 10, 18, 0.55) 100%
    ),
    radial-gradient(ellipse 90% 70% at 50% 50%, transparent 42%, rgba(6, 10, 18, 0.16) 100%);
}

.banner-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0.5;
  z-index: 2;
  transition: background 1s var(--ease), opacity 1s var(--ease);
}

.banner-orb-a {
  width: 460px;
  height: 460px;
  right: 6%;
  top: 14%;
  background: radial-gradient(circle, rgba(74, 159, 216, 0.55), transparent 68%);
  animation: orbFloat 9s ease-in-out infinite;
}

.banner-orb-b {
  width: 280px;
  height: 280px;
  right: 30%;
  bottom: 14%;
  background: radial-gradient(circle, rgba(143, 163, 184, 0.35), transparent 70%);
  animation: orbFloat 11s ease-in-out infinite reverse;
}

.banner-orb-c {
  width: 200px;
  height: 200px;
  left: 10%;
  top: 28%;
  background: radial-gradient(circle, rgba(74, 159, 216, 0.32), transparent 70%);
  animation: orbFloat 8s ease-in-out infinite 1s;
}

.banner[data-theme="1"] .banner-orb-a {
  background: radial-gradient(circle, rgba(45, 212, 191, 0.4), transparent 68%);
  opacity: 0.38;
}

.banner[data-theme="1"] .banner-orb-b {
  display: block;
  background: radial-gradient(circle, rgba(20, 160, 150, 0.28), transparent 70%);
  opacity: 0.32;
}

.banner[data-theme="1"] .banner-orb-c {
  display: none;
}

.banner[data-theme="1"] .banner-particles {
  opacity: 0.4;
}

.banner[data-theme="1"] .banner-particles span {
  background: rgba(160, 240, 225, 0.65);
  box-shadow: 0 0 10px rgba(45, 212, 191, 0.45);
}

.banner[data-theme="1"] .banner-particles span:nth-child(n + 9) {
  display: none;
}

.banner[data-theme="1"] .hero-grid {
  opacity: 0.14;
}

.banner[data-theme="1"] .banner-scan {
  opacity: 0.15;
}

.banner[data-theme="1"] .hero-canvas {
  opacity: 0.65;
}

.banner[data-theme="2"] .banner-orb-a,
.banner[data-theme="2"] .banner-orb-b,
.banner[data-theme="2"] .banner-orb-c {
  display: none;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18px, -22px) scale(1.08); }
}

.banner[data-theme="2"] .hero-grid {
  opacity: 0.08;
  animation: none;
}

.banner .hero-canvas {
  z-index: 3;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.82;
  mix-blend-mode: screen;
}

.banner-scan {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(197, 205, 216, 0.015) 3px,
    rgba(197, 205, 216, 0.015) 4px
  );
  mask-image: linear-gradient(180deg, transparent, black 20%, black 80%, transparent);
  animation: scanSweep 5.5s linear infinite;
}

@keyframes scanSweep {
  0% { transform: translateY(-8%); opacity: 0.2; }
  50% { opacity: 0.35; }
  100% { transform: translateY(8%); opacity: 0.2; }
}

.banner-particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(180, 220, 255, 0.75);
  box-shadow: 0 0 12px rgba(74, 159, 216, 0.65);
  animation: particleRise 8s linear infinite;
}

.banner-particles {
  z-index: 2;
  opacity: 0.65;
}

.banner-particles span:nth-child(1) { left: 12%; bottom: 8%; animation-duration: 7s; }
.banner-particles span:nth-child(2) { left: 22%; bottom: 2%; animation-duration: 9s; animation-delay: 1s; }
.banner-particles span:nth-child(3) { left: 38%; bottom: 12%; animation-duration: 8s; animation-delay: 0.4s; }
.banner-particles span:nth-child(4) { left: 55%; bottom: 5%; animation-duration: 10s; animation-delay: 1.6s; }
.banner-particles span:nth-child(5) { left: 68%; bottom: 15%; animation-duration: 7.5s; animation-delay: 0.8s; }
.banner-particles span:nth-child(6) { left: 78%; bottom: 4%; animation-duration: 8.5s; animation-delay: 2s; }
.banner-particles span:nth-child(7) { left: 85%; bottom: 20%; animation-duration: 9.5s; animation-delay: 0.2s; }
.banner-particles span:nth-child(8) { left: 45%; bottom: 0; animation-duration: 11s; animation-delay: 1.2s; }
.banner-particles span:nth-child(9) { left: 30%; bottom: 18%; animation-duration: 8s; animation-delay: 2.4s; }
.banner-particles span:nth-child(10) { left: 92%; bottom: 10%; animation-duration: 7.2s; animation-delay: 0.6s; }
.banner-particles span:nth-child(11) { left: 8%; bottom: 22%; animation-duration: 8.8s; animation-delay: 1.4s; }
.banner-particles span:nth-child(12) { left: 60%; bottom: 25%; animation-duration: 9.2s; animation-delay: 0.3s; }
.banner-particles span:nth-child(13) { left: 74%; bottom: 8%; animation-duration: 7.8s; animation-delay: 2.1s; }
.banner-particles span:nth-child(14) { left: 16%; bottom: 14%; animation-duration: 10.5s; animation-delay: 0.9s; }
.banner-particles span:nth-child(15) { left: 48%; bottom: 6%; animation-duration: 8.2s; animation-delay: 1.8s; }

.banner[data-theme="2"] .banner-particles span {
  background: rgba(190, 205, 255, 0.8);
  box-shadow: 0 0 12px rgba(120, 150, 255, 0.65);
}

@keyframes particleRise {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  15% { opacity: 0.9; }
  100% { transform: translateY(-70vh) scale(1.2); opacity: 0; }
}

.banner-stage {
  position: relative;
  z-index: 4;
  width: var(--container);
  margin: 0 auto;
  min-height: 0;
  height: 100%;
  padding: calc(var(--header-h) + 1.25rem) 0 4.5rem;
  display: flex;
  align-items: stretch;
  pointer-events: none;
  box-sizing: border-box;
}

.banner-slides {
  position: relative;
  flex: 1;
  min-height: min(300px, 42vh);
  display: flex;
  align-items: center;
  width: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: none;
  transition:
    opacity 0.32s ease,
    visibility 0s linear 0.32s;
  pointer-events: none;
}

.banner-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

.banner-slide.is-leave {
  opacity: 0;
  visibility: visible;
  z-index: 1;
  transition:
    opacity 0.26s ease,
    visibility 0s linear 0.26s;
}

html.js-gsap-home .banner-slide {
  opacity: 1;
  transition: visibility 0s;
}

html.js-gsap-home .banner-slide:not(.is-active):not(.is-leave) {
  visibility: hidden;
}

html.js-gsap-home .banner-slide.is-active,
html.js-gsap-home .banner-slide.is-leave {
  visibility: visible;
}

.banner-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.banner-index {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--silver-500);
}

.banner-brand {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  color: var(--accent);
  position: relative;
  padding-left: 1rem;
}

.banner-brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
  box-shadow: 0 0 0 0 rgba(74, 159, 216, 0.45);
  animation: pulseDot 2s ease-out infinite;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(74, 159, 216, 0.45); }
  70% { box-shadow: 0 0 0 12px rgba(74, 159, 216, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 159, 216, 0); }
}

.banner-copy h1 {
  font-family: var(--font-display);
  font-size: calc(var(--banner-title-size) * var(--page-header-title-scale, 1));
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.18;
  margin-bottom: clamp(0.65rem, 1.6vw, 1rem);
  color: var(--page-header-title-color, #ffffff);
  text-shadow:
    0 2px 18px rgba(0, 0, 0, 0.55),
    0 0 32px rgba(180, 210, 255, 0.2);
  width: max-content;
  max-width: 100%;
  white-space: normal;
}

.banner-copy .banner-sub {
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

.banner-copy h1 .line {
  display: block;
  overflow: hidden;
  white-space: nowrap;
}

.banner-copy h1 .line:first-child {
  color: var(--page-header-title-color, #ffffff);
  text-shadow:
    0 2px 20px rgba(0, 0, 0, 0.6),
    0 0 28px rgba(220, 235, 255, 0.35);
}

.banner-copy h1 .line em {
  display: inline-block;
  font-style: normal;
  background-color: transparent;
  background-image: linear-gradient(90deg, #c8e9ff, #6bb8ef 42%, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: none;
  text-shadow: none;
}

.banner-slide.is-active .banner-copy h1 .line,
.banner-slide.is-active .banner-sub,
.banner-slide.is-active .banner-actions {
  animation: bannerFlyIn 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.banner-slide.is-active .banner-copy h1 .line:nth-child(1) {
  animation-name: bannerTitleIn;
  animation-delay: 0.52s;
}
.banner-slide.is-active .banner-copy h1 .line:nth-child(2) {
  animation-name: bannerTitleIn;
  animation-delay: 0.68s;
}
.banner-slide.is-active .banner-copy h1 .line:nth-child(n+3) {
  animation-name: bannerTitleIn;
  animation-delay: 0.8s;
}
.banner-slide.is-active .banner-sub { animation-delay: 0.76s; }
.banner-slide.is-active .banner-actions { animation-delay: 0.9s; }

.banner-slide.is-leave .banner-copy h1 .line,
.banner-slide.is-leave .banner-sub,
.banner-slide.is-leave .banner-actions {
  animation: bannerFlyOut 0.45s cubic-bezier(0.4, 0, 1, 1) both;
}

.banner-slide.is-leave .banner-copy h1 .line:nth-child(1) { animation-delay: 0s; }
.banner-slide.is-leave .banner-copy h1 .line:nth-child(2) { animation-delay: 0.04s; }
.banner-slide.is-leave .banner-copy h1 .line:nth-child(n+3) { animation-delay: 0.08s; }
.banner-slide.is-leave .banner-sub { animation-delay: 0.06s; }
.banner-slide.is-leave .banner-actions { animation-delay: 0.08s; }

.banner-copy {
  width: max-content;
  max-width: min(56rem, 94vw);
  text-align: center;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.banner-meta {
  justify-content: center;
}

.banner-sub {
  width: max-content;
  max-width: min(94vw, 100%);
  margin-inline: auto;
  color: var(--page-header-subtitle-color, #e8ecf1);
  white-space: nowrap;
}

.banner-actions {
  justify-content: center;
}

/* 后台轮播：水平对齐 / 垂直位置 / 纯图模式 */
.banner.page-header--align-left .banner-slide {
  justify-content: flex-start;
}
.banner.page-header--align-left .banner-copy,
.banner.page-header--align-left .banner-copy-hero {
  margin-inline: 0 auto 0 0;
  text-align: left;
  align-items: flex-start;
}
.banner.page-header--align-left .banner-sub,
.banner.page-header--align-left .banner-actions,
.banner.page-header--align-left .banner-meta {
  margin-inline: 0;
  justify-content: flex-start;
}

.banner.page-header--align-center .banner-slide {
  justify-content: center;
}
.banner.page-header--align-center .banner-copy,
.banner.page-header--align-center .banner-copy-hero {
  margin-inline: auto;
  text-align: center;
  align-items: center;
}

.banner.page-header--align-right .banner-slide {
  justify-content: flex-end;
}
.banner.page-header--align-right .banner-copy,
.banner.page-header--align-right .banner-copy-hero {
  margin-inline: 0 0 0 auto;
  text-align: right;
  align-items: flex-end;
}
.banner.page-header--align-right .banner-sub,
.banner.page-header--align-right .banner-actions,
.banner.page-header--align-right .banner-meta {
  margin-inline: 0;
  justify-content: flex-end;
}

.banner.page-header--pos-top .banner-slides,
.banner.page-header--pos-top .banner-slide {
  align-items: flex-start;
}
.banner.page-header--pos-center .banner-slides,
.banner.page-header--pos-center .banner-slide {
  align-items: center;
}
.banner.page-header--pos-bottom .banner-slides,
.banner.page-header--pos-bottom .banner-slide {
  align-items: flex-end;
}

.banner.banner--textless .banner-copy,
.banner.banner--textless .banner-copy-hero {
  display: none;
}

/* 第一帧：居中精炼�?*/
.banner-copy-hero {
  position: relative;
  max-width: 36rem;
  padding: 1.5rem 1.25rem;
  background: radial-gradient(
    ellipse 80% 90% at 50% 50%,
    rgba(70, 82, 96, 0.34) 0%,
    rgba(110, 124, 143, 0.12) 60%,
    transparent 100%
  );
  backdrop-filter: blur(2px);
}

.banner-copy-hero .banner-brand {
  display: inline-block;
  margin-bottom: 1.1rem;
  font-size: 0.9rem;
  letter-spacing: 0.36em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.banner-copy-hero h1 {
  font-size: clamp(2.35rem, 5vw, 3.6rem);
  letter-spacing: 0.08em;
  line-height: 1.16;
  margin-bottom: 1rem;
  text-shadow: 0 10px 36px rgba(0, 0, 0, 0.4);
}

.banner-copy-hero .banner-sub {
  font-size: 0.98rem;
  color: rgba(220, 228, 236, 0.86);
  letter-spacing: 0.04em;
  margin-bottom: 1.6rem;
  width: max-content;
  max-width: min(94vw, 100%);
  white-space: nowrap;
}

.banner-copy-hero .banner-actions {
  gap: 0.85rem;
}

.banner-slide.is-active .banner-copy-hero h1 .line,
.banner-slide.is-active .banner-copy-hero .banner-sub,
.banner-slide.is-active .banner-copy-hero .banner-actions {
  animation: bannerFlyIn 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.banner-slide.is-active .banner-copy-hero h1 .line:nth-child(1) { animation-delay: 0.52s; }
.banner-slide.is-active .banner-copy-hero h1 .line:nth-child(2) { animation-delay: 0.68s; }
.banner-slide.is-active .banner-copy-hero .banner-sub { animation-delay: 0.76s; }
.banner-slide.is-active .banner-copy-hero .banner-actions { animation-delay: 0.9s; }

.banner[data-theme="1"] .banner-brand {
  color: #3dd6c6;
}

.banner[data-theme="1"] .banner-copy h1 .line em {
  background-image: linear-gradient(90deg, #c8fff6, #3dd6c6 42%, #ffffff);
}

.banner[data-theme="2"] .banner-brand {
  color: #9eb0ff;
}

.banner[data-theme="2"] .banner-copy h1 .line em {
  background-image: linear-gradient(90deg, #d4dcff, #8fa4ff 42%, #ffffff);
}

@keyframes bannerFlyIn {
  0% {
    opacity: 0;
    transform: translate3d(0, 28px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes bannerFlyOut {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0;
    transform: translate3d(0, -12px, 0);
  }
}

@keyframes bannerTitleIn {
  0% {
    opacity: 0;
    transform: translate3d(0, 70%, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* GSAP 接管首页 banner 文案时，关闭 CSS keyframe，避免双重动画 */
html.js-gsap-home .banner-slide.is-active .banner-copy h1 .line,
html.js-gsap-home .banner-slide.is-active .banner-sub,
html.js-gsap-home .banner-slide.is-active .banner-actions,
html.js-gsap-home .banner-slide.is-active .banner-copy-hero h1 .line,
html.js-gsap-home .banner-slide.is-active .banner-copy-hero .banner-sub,
html.js-gsap-home .banner-slide.is-active .banner-copy-hero .banner-actions,
html.js-gsap-home .banner-slide.is-leave .banner-copy h1 .line,
html.js-gsap-home .banner-slide.is-leave .banner-sub,
html.js-gsap-home .banner-slide.is-leave .banner-actions,
html.js-gsap-home .banner-slide.is-leave .banner-copy-hero h1 .line,
html.js-gsap-home .banner-slide.is-leave .banner-copy-hero .banner-sub,
html.js-gsap-home .banner-slide.is-leave .banner-copy-hero .banner-actions {
  animation: none !important;
}

html.js-gsap-home main [data-aos] {
  pointer-events: auto;
  transition: none !important;
}

html.js-gsap-home .banner-slide:not(.is-active) .banner-copy h1 .line,
html.js-gsap-home .banner-slide:not(.is-active) .banner-copy .banner-sub,
html.js-gsap-home .banner-slide:not(.is-active) .banner-copy .banner-actions {
  opacity: 0;
  visibility: hidden;
}

@keyframes riseFade {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

.banner-sub {
  font-size: var(--banner-sub-size);
  line-height: 1.55;
  color: var(--page-header-subtitle-color, rgba(232, 236, 241, 0.86));
  width: max-content;
  max-width: min(94vw, 100%);
  margin-bottom: clamp(0.85rem, 2vw, 1.35rem);
  padding-inline: 0.25rem;
  white-space: nowrap;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.banner-panel {
  position: relative;
  min-height: 340px;
  display: grid;
  place-items: center;
}

.panel-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 163, 184, 0.28), transparent 68%);
  filter: blur(8px);
  animation: orbFloat 7s ease-in-out infinite;
}

.panel-frame {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 1;
  border: 1px solid rgba(197, 205, 216, 0.16);
  background:
    linear-gradient(160deg, rgba(53, 58, 68, 0.45), rgba(20, 22, 26, 0.65));
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(143, 163, 184, 0.08) inset,
    0 30px 80px rgba(0, 0, 0, 0.35);
}

.panel-ring {
  position: absolute;
  width: 68%;
  height: 68%;
  border: 1px solid rgba(143, 163, 184, 0.35);
  border-radius: 50%;
  animation: ringSpin 18s linear infinite;
}

.panel-ring-2 {
  width: 42%;
  height: 42%;
  border-style: dashed;
  border-color: rgba(143, 163, 184, 0.4);
  animation-direction: reverse;
  animation-duration: 12s;
}

.panel-chip {
  position: absolute;
  top: 1.1rem;
  left: 1.1rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--silver-400);
  z-index: 2;
}

.panel-stats {
  position: absolute;
  inset: auto 1rem 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  width: calc(100% - 2rem);
  z-index: 2;
}

.panel-stats li {
  padding: 0.55rem 0.4rem;
  background: rgba(20, 22, 26, 0.55);
  border: 1px solid rgba(197, 205, 216, 0.1);
  text-align: center;
}

.panel-stats strong {
  display: block;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 1rem;
}

.panel-stats span {
  font-size: 0.68rem;
  color: var(--silver-500);
}

.device-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 70%;
  z-index: 2;
}

.device {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(197, 205, 216, 0.14);
  background: rgba(20, 22, 26, 0.45);
  transform: translateX(0);
  animation: deviceSlide 5s ease-in-out infinite;
}

.device:nth-child(2) { animation-delay: 0.35s; }
.device:nth-child(3) { animation-delay: 0.7s; }

@keyframes deviceSlide {
  0%, 100% { transform: translateX(0); border-color: rgba(197, 205, 216, 0.14); }
  50% { transform: translateX(8px); border-color: rgba(143, 163, 184, 0.45); }
}

.device i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: radial-gradient(circle at 35% 35%, rgba(143, 163, 184, 0.55), transparent 65%);
}

.device span {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.panel-frame-soft {
  padding: 1.5rem;
}

.soft-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 140px;
  z-index: 2;
}

.soft-bars i {
  width: 12px;
  background: linear-gradient(to top, var(--accent), rgba(143, 163, 184, 0.15));
  animation: barPulse 1.8s ease-in-out infinite;
  transform-origin: bottom;
}

.soft-bars i:nth-child(1) { height: 35%; animation-delay: 0s; }
.soft-bars i:nth-child(2) { height: 55%; animation-delay: 0.1s; }
.soft-bars i:nth-child(3) { height: 80%; animation-delay: 0.2s; }
.soft-bars i:nth-child(4) { height: 48%; animation-delay: 0.3s; }
.soft-bars i:nth-child(5) { height: 95%; animation-delay: 0.4s; }
.soft-bars i:nth-child(6) { height: 62%; animation-delay: 0.5s; }
.soft-bars i:nth-child(7) { height: 40%; animation-delay: 0.6s; }

.soft-hud {
  position: absolute;
  left: 1.1rem;
  right: 1.1rem;
  bottom: 1.1rem;
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  z-index: 2;
}

.soft-hud span {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--silver-400);
  padding: 0.3rem 0.45rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(20, 22, 26, 0.45);
}

.banner-slide-hint {
  position: absolute;
  right: clamp(1rem, 3.5vw, 2.75rem);
  left: auto;
  bottom: clamp(1.75rem, 4.5vh, 3.25rem);
  top: auto;
  transform: none;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  cursor: pointer;
  pointer-events: auto;
  user-select: none;
  transition: color 0.25s, opacity 0.25s, transform 0.25s var(--ease);
}

.banner-slide-hint:hover {
  color: #fff;
  transform: translateY(2px);
}

.banner-slide-hint > span {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  line-height: 1;
}

.banner-mouse {
  position: relative;
  display: block;
  width: 1.15rem;
  height: 1.85rem;
  border: 1.5px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
}

.banner-mouse em {
  position: absolute;
  left: 50%;
  top: 0.35rem;
  width: 2px;
  height: 0.4rem;
  margin-left: -1px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.9);
  animation: bannerMouseWheel 1.8s ease-in-out infinite;
}

@keyframes bannerMouseWheel {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.95;
  }
  55% {
    transform: translateY(0.45rem);
    opacity: 0.25;
  }
}

.banner-controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2.25rem;
  z-index: 6;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: auto;
}

.banner-dots {
  display: flex;
  gap: 0.65rem;
}

.banner-dots button {
  position: relative;
  width: 44px;
  height: 3px;
  border: 0;
  background: rgba(197, 205, 216, 0.22);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
}

.banner-dots button i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, #6bb3e4, var(--accent));
}

.banner-dots button.is-active i {
  animation: dotFill var(--banner-duration) linear forwards;
}

@keyframes dotFill {
  from { width: 0; }
  to { width: 100%; }
}

.banner-arrows {
  display: flex;
  gap: 0.4rem;
}

.banner-arrows button {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(197, 205, 216, 0.22);
  background: rgba(20, 22, 26, 0.45);
  color: var(--silver-200);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  backdrop-filter: blur(6px);
  transition: 0.25s var(--ease);
}

.banner-arrows button:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(143, 163, 184, 0.15);
}

.banner-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(197, 205, 216, 0.08);
  z-index: 4;
  pointer-events: none;
}

/* 平板及以下：隐藏 Banner 进度条与指示点进度 */
@media (max-width: 1024px) {
  .banner-progress,
  .banner-controls,
  .banner-dots {
    display: none !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

.banner-progress i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, transparent, var(--accent));
  box-shadow: 0 0 12px rgba(143, 163, 184, 0.55);
}

.banner.is-playing .banner-progress i {
  animation: progressFill var(--banner-duration) linear forwards;
}

@keyframes progressFill {
  from { width: 0; }
  to { width: 100%; }
}

.nav-mega {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 8px);
  display: grid;
  grid-template-columns: repeat(3, 180px);
  gap: 0.5rem;
  padding: 1.1rem;
  background: rgba(28, 31, 37, 0.97);
  border: 1px solid rgba(197, 205, 216, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: 0.25s var(--ease);
  z-index: 120;
}

.nav-mega::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -0.55rem;
  height: 0.55rem;
}

.nav-item.has-mega.is-hover .nav-mega {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translate(-50%, 0) !important;
  pointer-events: auto !important;
}

.mega-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.65rem;
  padding: 0 0.55rem;
  font-weight: 500;
}

.mega-col a {
  display: block;
  padding: 0.45rem 0.55rem !important;
  font-size: 0.84rem !important;
  color: var(--silver-400) !important;
}

.mega-col a::after {
  display: none !important;
}

.mega-col a:hover {
  color: var(--white) !important;
  background: rgba(143, 163, 184, 0.1);
}

.line-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

/* 通用内容轨道 + 淡化左右钮（产品 / 优势 / 团队 / 证书�?*/
.content-rail,
.product-rail {
  --rail-gap: 1.15rem;
  --rail-cols: 3;
  --product-gap: var(--rail-gap);
  --product-cols: var(--rail-cols);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
}

.rail-nav-btn,
.product-rail-btn,
.cred-marquee-btn {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid rgba(90, 110, 130, 0.32);
  border-radius: 50%;
  background: #ffffff;
  color: #3d4a58;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(40, 50, 65, 0.12);
  transition:
    border-color 0.25s,
    background 0.25s,
    color 0.25s,
    box-shadow 0.25s,
    opacity 0.25s;
}

/* 防止 .rail-nav-btn { display:grid } 盖掉 HTML hidden */
.rail-nav-btn[hidden],
.product-rail-btn[hidden],
.cred-marquee-btn[hidden] {
  display: none !important;
}

.rail-nav-btn svg,
.product-rail-btn svg,
.cred-marquee-btn svg {
  display: block;
  width: 15px;
  height: 15px;
}

.rail-nav-btn:hover:not(:disabled),
.product-rail-btn:hover:not(:disabled),
.cred-marquee-btn:hover:not(:disabled) {
  border-color: rgba(74, 159, 216, 0.55);
  background: #ffffff;
  color: #4a9fd8;
  box-shadow: 0 4px 14px rgba(74, 159, 216, 0.2);
}

.rail-nav-btn:active:not(:disabled),
.product-rail-btn:active:not(:disabled),
.cred-marquee-btn:active:not(:disabled) {
  background: rgba(74, 159, 216, 0.12);
}

.rail-nav-btn:disabled,
.product-rail-btn:disabled,
.cred-marquee-btn:disabled {
  opacity: 0.48;
  cursor: default;
  box-shadow: none;
}

.content-rail-viewport,
.product-rail-viewport {
  overflow: hidden;
  min-width: 0;
  container-type: inline-size;
}

.content-rail-track,
.product-rail-track {
  display: flex;
  gap: var(--rail-gap);
  transition: transform 0.45s var(--ease);
  will-change: transform;
}

.content-rail [data-rail-item],
.product-rail .line-card,
.content-rail .line-card,
.content-rail .home-adv-panel,
.content-rail .home-team-card {
  flex: 0 0 calc((100cqi - (var(--rail-cols) - 1) * var(--rail-gap)) / var(--rail-cols));
  min-width: 0;
  max-width: calc((100cqi - (var(--rail-cols) - 1) * var(--rail-gap)) / var(--rail-cols));
}

.content-rail.is-static .rail-nav-btn,
.product-rail.is-static .product-rail-btn,
.product-rail.is-static .rail-nav-btn {
  opacity: 0.55;
  pointer-events: none;
}

.content-rail--team {
  --rail-gap: 1.15rem;
  margin-top: 0;
}

/* 默认 4 列可见；卡片固定 1:1 */
.content-rail--adv {
  --rail-cols: 4;
  --rail-gap: 1rem;
}

/* 仅 3 项时三列均分容器宽度 */
.content-rail--adv-3 {
  --rail-cols: 3;
}

.content-rail--adv .home-adv-panel {
  aspect-ratio: 1 / 1;
  min-height: 0;
  height: auto;
}

.line-card {
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(40, 44, 52, 0.4);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.35s var(--ease);
  display: flex;
  flex-direction: column;
}

.line-card:hover {
  border-color: var(--accent-line);
  transform: translateY(-4px);
}

/* ---------- 首页版块 ---------- */
.home-chip {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

/* 核心技术优�?�?银灰�?· 三列均分 */
.adv-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 48% 60% at 12% 18%, rgba(74, 159, 216, 0.06), transparent 58%),
    radial-gradient(ellipse 40% 50% at 90% 80%, rgba(143, 163, 184, 0.08), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #f1f4f8 48%, #eef2f6 100%);
}

.adv-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 101, 116, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 101, 116, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 35%, #000 12%, transparent 72%);
  pointer-events: none;
}

.adv-section > .container {
  position: relative;
  z-index: 1;
}


.home-adv-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.home-adv-panel {
  position: relative;
  display: flex;
  align-items: flex-end;
  aspect-ratio: 1 / 1;
  min-height: 0;
  height: auto;
  padding: 1.85rem 1.5rem;
  overflow: hidden;
  isolation: isolate;
  background: #14181f;
  border: 1px solid rgba(110, 124, 143, 0.18);
  transition: border-color 0.3s, transform 0.35s var(--ease), box-shadow 0.35s;
}

.home-adv-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.03);
  transition: transform 0.75s var(--ease);
}

.home-adv-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(12, 16, 22, 0.18) 0%, rgba(12, 16, 22, 0.45) 45%, rgba(12, 16, 22, 0.88) 100%);
}

.home-adv-body {
  position: relative;
  z-index: 2;
  width: 100%;
}

.home-adv-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.9vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  margin: 0 0 0.7rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.home-adv-body h3::after {
  content: "";
  display: block;
  width: 2rem;
  height: 2px;
  margin-top: 0.75rem;
  background: var(--accent);
}

.home-adv-body p {
  margin: 0;
  color: rgba(232, 236, 241, 0.88);
  font-size: 0.88rem;
  line-height: 1.7;
}

.home-adv-panel:hover {
  border-color: rgba(74, 159, 216, 0.5);
  box-shadow: 0 20px 48px rgba(40, 50, 65, 0.16);
  transform: translateY(-3px);
}

.home-adv-panel:hover .home-adv-bg {
  transform: scale(1.07);
}

/* 应用领域：白底 + 图片手风琴（与产品中心编辑式图文对调） */
.app-section {
  --product-blue: #2f7ec8;
  background: #ffffff;
}

.home-gallery {
  margin-top: 0;
}

.home-gallery.product-gallery {
  grid-template-columns: minmax(18.5rem, 24rem) minmax(0, 1fr);
}

.home-gallery .product-gallery-stage {
  display: contents;
}

.home-gallery .product-gallery-index {
  grid-column: 1;
  grid-row: 1;
  justify-content: stretch;
  gap: 0;
  padding: 0;
  border-right-color: rgba(74, 98, 122, 0.12);
}

.home-gallery .product-gallery-frame {
  grid-column: 2;
  grid-row: 1;
}

.home-gallery .product-gallery-item {
  flex: 1 1 0;
  align-content: center;
  min-height: 0;
  padding: 0.85rem 1rem 1.05rem 0.85rem;
  color: #6a7582;
}

.home-gallery .product-gallery-item::before {
  top: 0.85rem;
  bottom: 0.85rem;
}

.home-gallery .product-gallery-item:hover {
  color: #2a3038;
  background: rgba(74, 159, 216, 0.045);
}

.home-gallery .product-gallery-item.is-active {
  color: #1a1f26;
  background: linear-gradient(90deg, rgba(74, 159, 216, 0.12), rgba(74, 159, 216, 0.03) 72%, transparent);
}

.home-gallery .product-gallery-item:focus-visible {
  outline: 2px solid var(--product-blue);
  outline-offset: -2px;
}

.home-gallery .product-gallery-num {
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1.45;
  color: #8b96a3;
}

.home-gallery .product-gallery-item.is-active .product-gallery-num {
  color: var(--product-blue);
}

.home-gallery .product-gallery-copy {
  gap: 0.35rem;
}

.home-gallery .product-gallery-name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.home-gallery .product-gallery-item.is-active .product-gallery-name {
  font-weight: 700;
  color: #1a1f26;
}

.home-gallery .product-gallery-desc {
  max-height: none;
  opacity: 0.78;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: #7a8694;
}

.home-gallery .product-gallery-item.is-active .product-gallery-desc {
  max-height: none;
  opacity: 1;
  color: #5a6572;
}

.home-gallery .product-gallery-progress {
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(74, 98, 122, 0.08);
}

/* 桌面多条目：信息在左侧目录，隐藏大图内文案 */
.home-gallery:not(.is-single) .product-gallery-caption {
  display: none;
}

.home-gallery-caption-copy {
  min-width: 0;
}

.home-gallery-caption-link {
  display: none;
  flex-shrink: 0;
  align-items: center;
  gap: 0.3rem;
  color: #fff;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

@media (max-width: 1100px) {
  .home-gallery.product-gallery {
    grid-template-columns: minmax(16.5rem, 21rem) minmax(0, 1fr);
  }

  .home-gallery .product-gallery-name {
    font-size: 1rem;
  }
}

@media (max-width: 960px) {
  .home-gallery.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-height: 0;
  }

  .home-gallery .product-gallery-stage {
    display: contents;
  }

  .home-gallery .product-gallery-frame {
    order: 1;
    grid-column: auto;
    grid-row: auto;
    min-height: min(62vw, 18.5rem);
    border-radius: 4px;
  }

  .home-gallery .product-gallery-index {
    order: 2;
    display: flex;
    flex-direction: row;
    flex: none;
    gap: 0.45rem;
    padding: 0.1rem 0 0;
    margin: 0;
    border: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .home-gallery .product-gallery-index::-webkit-scrollbar {
    display: none;
  }

  .home-gallery .product-gallery-item {
    flex: 0 0 auto;
    width: auto;
    max-width: min(68vw, 13.5rem);
    min-height: 0;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.45rem 0.55rem;
    padding: 0.62rem 0.8rem 0.72rem;
    border: 1px solid rgba(74, 98, 122, 0.12);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.78);
    scroll-snap-align: start;
    box-shadow: none;
  }

  .home-gallery .product-gallery-item::before {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: auto;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left center;
  }

  .home-gallery .product-gallery-item.is-active {
    color: #1a1f26;
    background: #fff;
    border-color: rgba(47, 126, 200, 0.42);
    box-shadow: 0 8px 18px rgba(40, 55, 75, 0.08);
  }

  .home-gallery .product-gallery-item.is-active::before {
    transform: scaleX(1);
  }

  .home-gallery .product-gallery-num {
    font-size: 0.78rem;
    line-height: 1.2;
  }

  .home-gallery .product-gallery-name {
    font-size: 0.92rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .home-gallery .product-gallery-desc {
    display: none;
  }

  .home-gallery .product-gallery-progress {
    display: block;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    opacity: 0;
  }

  .home-gallery .product-gallery-item.is-active .product-gallery-progress {
    opacity: 1;
  }

  .home-gallery:not(.is-single) .product-gallery-caption,
  .home-gallery .product-gallery-caption {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1.15rem 0.95rem 0.95rem;
  }

  .home-gallery .product-gallery-caption h3 {
    margin: 0 0 0.28rem;
    font-size: 1.05rem;
  }

  .home-gallery .product-gallery-caption p {
    font-size: 0.82rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .home-gallery-caption-link {
    display: inline-flex;
  }

  .home-gallery .product-gallery-corner {
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 640px) {
  .home-gallery .product-gallery-frame {
    min-height: min(68vw, 17rem);
  }

  .home-gallery .product-gallery-item {
    max-width: min(72vw, 12.5rem);
    padding: 0.58rem 0.72rem 0.68rem;
  }

  .home-gallery .product-gallery-name {
    font-size: 0.88rem;
  }

  .home-gallery .product-gallery-caption {
    padding: 1rem 0.85rem 0.85rem;
  }

  .home-gallery .product-gallery-caption h3 {
    font-size: 0.98rem;
  }
}

.app-acc-bg--ph {
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, rgba(74, 159, 216, 0.16), transparent 48%),
    linear-gradient(180deg, #2a3340 0%, #151a22 100%);
  color: rgba(255, 255, 255, 0.88);
  font-family: var(--font-display, "Syne", "Noto Sans SC", sans-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.app-section .app-accordion,
.product-showcase-section .home-gallery,
.product-showcase-section .app-accordion,
.product-showcase-section .product-acc {
  margin-top: 0;
}


.app-accordion {
  display: flex;
  gap: 0.65rem;
  height: clamp(22rem, 48vw, 28rem);
  overflow: hidden;
}

.app-acc-item {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: block;
  overflow: hidden;
  isolation: isolate;
  background: #14181f;
  border: 1px solid rgba(110, 124, 143, 0.16);
  box-shadow: 0 10px 28px rgba(40, 50, 65, 0.06);
  color: #fff;
  transition:
    flex 0.55s var(--ease),
    border-color 0.3s,
    box-shadow 0.35s;
}

.app-acc-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.03);
  filter: brightness(1.12) contrast(1.04) saturate(1.05);
  transition: transform 0.7s var(--ease), filter 0.4s ease;
}

.app-acc-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  /* 仅底部压暗保证白字可读，上中部尽量还原图片亮�?*/
  background: linear-gradient(
    180deg,
    rgba(12, 16, 22, 0.04) 0%,
    rgba(12, 16, 22, 0.12) 42%,
    rgba(12, 16, 22, 0.42) 72%,
    rgba(12, 16, 22, 0.72) 100%
  );
}

.app-acc-item.is-active {
  flex: 3.6 1 0;
  border-color: rgba(74, 159, 216, 0.45);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.app-acc-item.is-active .app-acc-bg {
  transform: scale(1.06);
  filter: brightness(1.18) contrast(1.05) saturate(1.08);
}

.app-acc-label {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 2;
  writing-mode: vertical-rl;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  white-space: nowrap;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
  transition: opacity 0.3s, transform 0.35s var(--ease);
}

.app-acc-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 2rem 1.75rem 1.65rem;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 20, 0.55) 55%, rgba(10, 14, 20, 0.78) 100%);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s, transform 0.4s var(--ease);
  pointer-events: none;
}

.app-acc-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 0.45rem;
  line-height: 1.28;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.app-acc-copy p {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin: 0;
  max-width: none;
  color: rgba(210, 218, 228, 0.9);
  font-size: 0.88rem;
  line-height: 1.55;
}

.app-acc-desc {
  min-width: 0;
  flex: 1 1 auto;
  white-space: pre-line;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.app-acc-mark {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  border: 1.5px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(74, 159, 216, 0.22);
}

.app-acc-item.is-active .app-acc-label {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
}

.app-acc-item.is-active .app-acc-copy {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* 首页 · 核心团队 �?整体边框面板 + 首席横卡 + 三人圆头像卡 */
.home-team-section {
  background:
    radial-gradient(ellipse 55% 40% at 90% 8%, rgba(74, 159, 216, 0.04), transparent 60%),
    #f7f9fb;
  color: #2a3038;
}

.home-team-panel {
  position: relative;
  padding: clamp(1.15rem, 2.2vw, 1.65rem);
  background: #fff;
  border: 1px solid rgba(110, 124, 143, 0.14);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(40, 50, 65, 0.06);
}

.home-team-divider {
  height: 1px;
  margin: 1.15rem 0.2rem 1.25rem;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(110, 124, 143, 0.1) 18%,
    rgba(110, 124, 143, 0.14) 50%,
    rgba(110, 124, 143, 0.1) 82%,
    transparent 100%
  );
}

.home-team-lead {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(0, 1fr);
  gap: 1.65rem 2.25rem;
  align-items: center;
  padding: 0.85rem 1rem 0.35rem 0.85rem;
  background: transparent;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  transition: transform 0.35s var(--ease);
}

.home-team-lead:hover {
  box-shadow: none;
  transform: none;
}

.home-team-lead-media {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: #eef2f6;
  border: 0;
  box-shadow: 0 8px 22px rgba(40, 50, 65, 0.1);
}

.home-team-lead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.22);
  transition: transform 0.55s var(--ease);
}

.home-team-lead:hover .home-team-lead-media img {
  transform: scale(1.28);
}

.home-team-lead-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.1vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.045em;
  color: #1c1f25;
  margin: 0 0 0.4rem;
}

.home-team-lead-body .role {
  position: relative;
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4a9fd8;
  margin: 0 0 0.9rem;
  letter-spacing: 0.02em;
  padding-bottom: 0.8rem;
}

.home-team-lead-body .role::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.4rem;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(74, 159, 216, 0.2));
}

.home-team-card .role {
  font-size: 0.9rem;
  font-weight: 500;
  color: #4a9fd8;
  letter-spacing: 0.02em;
  margin: 0 0 0.75rem;
}

.home-team-lead-body p {
  margin: 0;
  max-width: 38rem;
  font-size: var(--body-size);
  line-height: var(--body-leading);
  color: #5a6574;
}

.home-team-card p {
  margin: 0;
  max-width: 17.5rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: #6a7380;
}

.home-team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.35rem;
  margin-top: 1.35rem;
  align-items: stretch;
}

.home-team-panel .content-rail--team {
  margin-top: 0;
  padding-inline: 0.15rem;
}

.home-team-panel .rail-nav-btn {
  border: 1px solid rgba(90, 110, 130, 0.28);
  background: #ffffff;
  color: #3d4a58;
  box-shadow: 0 2px 10px rgba(40, 50, 65, 0.1);
}

.home-team-panel .rail-nav-btn:hover:not(:disabled) {
  border-color: rgba(74, 159, 216, 0.55);
  background: #ffffff;
  color: #4a9fd8;
  box-shadow: 0 4px 14px rgba(74, 159, 216, 0.18);
}

/* 小屏：三人卡全部展开，避免轨道裁切导致显示不�?*/
@media (max-width: 1024px) {
  .home-team-section {
    overflow: visible;
  }

  .home-team-panel {
    padding: 1.1rem 0.95rem 1.2rem;
    border-radius: 16px;
  }

  .home-team-lead {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding: 0.55rem 0.35rem 0.15rem;
    gap: 1.1rem;
  }

  .home-team-lead-media {
    width: min(200px, 56vw);
  }

  .home-team-lead-body .role::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .home-team-lead-body p {
    margin-inline: auto;
  }

  .home-team-panel .content-rail--team {
    display: block;
    padding-inline: 0;
  }

  .home-team-panel .content-rail--team .rail-nav-btn {
    display: none;
  }

  .home-team-panel .content-rail--team .content-rail-viewport {
    overflow: visible;
  }

  .home-team-panel .content-rail--team .content-rail-track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
    transform: none !important;
    will-change: auto;
  }

  .home-team-panel .content-rail--team .home-team-card {
    flex: none !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0;
    padding: 1.25rem 0.75rem 1.15rem;
  }

  .home-team-photo {
    width: 6.5rem;
    height: 6.5rem;
    margin-bottom: 1rem;
  }

  .home-team-card h3 {
    font-size: 1.05rem;
  }

  .home-team-card p {
    max-width: none;
    font-size: 0.82rem;
    line-height: 1.65;
  }
}

/* <=860: member cards as photo + copy grid */
@media (max-width: 860px) {
  .home-team-panel {
    padding: 1rem 0.85rem 1.1rem;
  }

  .home-team-lead {
    gap: 0.85rem;
    padding: 0.35rem 0.2rem 0.1rem;
  }

  .home-team-lead-media {
    width: min(7.5rem, 42vw);
  }

  .home-team-lead-body h3 {
    font-size: clamp(1.25rem, 5vw, 1.45rem);
    margin-bottom: 0.35rem;
  }

  .home-team-lead-body .role {
    margin-bottom: 0.75rem;
    padding-bottom: 0.7rem;
    font-size: 0.88rem;
  }

  .home-team-lead-body p {
    font-size: 0.86rem;
    line-height: 1.7;
  }

  .home-team-divider {
    margin: 0.9rem 0.1rem 1rem;
  }

  .home-team-panel .content-rail--team .content-rail-track {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .home-team-panel .content-rail--team .home-team-card {
    display: grid;
    grid-template-columns: 4.75rem minmax(0, 1fr);
    grid-template-areas:
      "photo name"
      "photo role"
      "bio bio";
    column-gap: 0.9rem;
    row-gap: 0.2rem;
    align-items: start;
    justify-items: stretch;
    text-align: left;
    flex-direction: unset;
    flex-wrap: unset;
    padding: 0.95rem 0.9rem 1rem;
    min-height: 0;
  }

  .home-team-panel .content-rail--team .home-team-photo {
    grid-area: photo;
    width: 4.75rem;
    height: 4.75rem;
    margin: 0.15rem 0 0;
    align-self: start;
  }

  .home-team-panel .content-rail--team .home-team-card h3 {
    grid-area: name;
    margin: 0.1rem 0 0;
    flex: unset;
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    line-height: 1.35;
  }

  .home-team-panel .content-rail--team .home-team-card .role {
    grid-area: role;
    flex: unset;
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.4;
  }

  .home-team-panel .content-rail--team .home-team-card p {
    grid-area: bio;
    flex: unset;
    margin: 0.45rem 0 0;
    max-width: none;
    font-size: 0.82rem;
    line-height: 1.65;
    color: #5f6976;
  }
}

.home-team-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 100%;
  padding: 1.65rem 1.1rem 1.45rem;
  background: rgba(247, 249, 251, 0.85);
  border-radius: 14px;
  border: 0;
  box-shadow: none;
  transition:
    box-shadow 0.35s var(--ease),
    transform 0.35s var(--ease),
    background 0.35s;
}

.home-team-card:nth-child(2) {
  transition-delay: 40ms;
}

.home-team-card:nth-child(3) {
  transition-delay: 80ms;
}

.home-team-card:hover {
  background: #f3f6f9;
  box-shadow: 0 10px 24px rgba(40, 50, 65, 0.07);
  transform: translateY(-2px);
}

.home-team-photo {
  position: relative;
  width: 7.75rem;
  height: 7.75rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  border: 0;
  box-shadow: 0 8px 20px rgba(40, 50, 65, 0.08);
  overflow: hidden;
  background: #eef2f6;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.home-team-photo::before {
  content: none;
}

.home-team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.22);
}

.home-team-card:hover .home-team-photo {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(40, 50, 65, 0.1);
}

.home-team-photo-a,
.home-team-photo-b,
.home-team-photo-c {
  background: #eef2f6;
}

.home-team-photo span {
  display: none;
}

.home-team-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #1c1f25;
  margin: 0 0 0.35rem;
}

.home-app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.home-app-card {
  display: block;
  padding: 1.5rem 1.25rem;
  border: 1px solid rgba(197, 205, 216, 0.12);
  background: rgba(40, 44, 52, 0.4);
  transition: border-color 0.3s, transform 0.35s var(--ease), background 0.3s;
}

.home-app-card:hover {
  border-color: var(--accent-line);
  background: rgba(48, 54, 64, 0.72);
  transform: translateY(-3px);
}

.home-app-tag {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.home-app-card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.55rem;
  color: var(--silver-100);
}

.home-app-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* 首页 · 资质与专利（证书滚动画廊�?*/
.home-cred-section {
  background:
    radial-gradient(ellipse 55% 40% at 50% 100%, rgba(74, 159, 216, 0.04), transparent 62%),
    linear-gradient(180deg, #fbfcfd 0%, #f3f6f9 100%);
  color: #2a3038;
  overflow: clip;
}

.home-cred-inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 0;
}

.cred-marquee {
  --cred-gap: 1rem;
  --cred-row-gap: 0.85rem;
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-items: center;
  gap: 0.75rem;
  width: 100%;
  margin: 0;
  min-height: 0;
}

.cred-marquee > .cred-marquee-btn {
  align-self: center;
  justify-self: center;
  z-index: 2;
}

.cred-marquee > .cred-marquee-viewport {
  grid-column: 2;
  min-width: 0;
  width: 100%;
}

.cred-marquee > [data-cred-prev] {
  grid-column: 1;
  grid-row: 1;
}

.cred-marquee > [data-cred-next] {
  grid-column: 3;
  grid-row: 1;
}

.cred-marquee-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 0.7rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3.5%, #000 96.5%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3.5%, #000 96.5%, transparent);
}

.cred-marquee-viewport::-webkit-scrollbar {
  display: none;
}

.cred-marquee-track {
  display: flex;
  width: max-content;
}

.cred-marquee-group {
  display: grid;
  grid-template-rows: auto;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: var(--cred-row-gap) var(--cred-gap);
  align-items: stretch;
  padding-right: var(--cred-gap);
}

.cred-marquee-group.is-two-rows {
  grid-template-rows: repeat(2, auto);
}

.cred-frame {
  position: relative;
  flex: 0 0 auto;
  width: clamp(9.75rem, 13.5vw, 12.25rem);
  margin: 0;
  padding: 0.45rem;
  background: #fff;
  border: 1px solid rgba(143, 163, 184, 0.28);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 10px 28px rgba(40, 50, 65, 0.07);
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s,
    border-color 0.3s;
}

.cred-frame-hit {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  color: inherit;
}

.cred-frame:hover {
  transform: translateY(-4px);
  border-color: rgba(74, 159, 216, 0.38);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.98) inset,
    0 18px 40px rgba(40, 50, 65, 0.12);
}

.cred-frame img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  object-position: center;
  display: block;
  background:
    linear-gradient(180deg, #fafbfc 0%, #eef2f6 100%);
}

.cred-marquee-group[aria-hidden="true"] .cred-frame {
  pointer-events: none;
}

.cred-marquee.is-static {
  grid-template-columns: minmax(0, 1fr);
}

.cred-marquee.is-static > .cred-marquee-btn,
.cred-marquee.is-static > [data-cred-prev],
.cred-marquee.is-static > [data-cred-next] {
  display: none !important;
}

.cred-marquee.is-static > .cred-marquee-viewport {
  grid-column: 1;
}

.cred-marquee.is-static .cred-marquee-viewport {
  -webkit-mask-image: none;
  mask-image: none;
  overflow-x: visible;
}

.cred-marquee.is-static .cred-marquee-track {
  width: 100%;
  justify-content: center;
}

.cred-marquee.is-static .cred-marquee-group {
  padding-right: 0;
  justify-content: center;
}

@media (prefers-reduced-motion: reduce) {
  .cred-marquee-viewport {
    scrollbar-width: thin;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .cred-marquee-group[aria-hidden="true"] {
    display: none;
  }

  .cred-frame:hover {
    transform: none;
  }
}

/* 证书预览 */
.cred-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(18, 24, 32, 0.62);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s var(--ease), visibility 0.28s;
}

.cred-preview-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.cred-preview-dialog {
  position: relative;
  width: min(34rem, calc(100vw - 2.5rem));
  max-height: min(88vh, 52rem);
  padding: 0.85rem;
  background: #fff;
  border: 1px solid rgba(143, 163, 184, 0.25);
  box-shadow: 0 24px 64px rgba(18, 24, 32, 0.28);
}

.cred-preview-dialog img {
  width: 100%;
  max-height: calc(88vh - 3.5rem);
  object-fit: contain;
  display: block;
  background: #f5f7fa;
}

.cred-preview-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 2;
  width: 2.1rem;
  height: 2.1rem;
  border: 0;
  border-radius: 50%;
  background: rgba(28, 31, 37, 0.72);
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s;
}

.cred-preview-close:hover {
  background: rgba(28, 31, 37, 0.9);
}

/* 底部咨询悬浮：在线客�?/ 资料下载 / 电话 */
.float-dock {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.float-dock a,
.float-dock button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 132px;
  padding: 0.7rem 0.95rem;
  background: rgba(40, 44, 52, 0.94);
  border: 1px solid rgba(197, 205, 216, 0.2);
  color: var(--silver-200);
  cursor: pointer;
  backdrop-filter: blur(10px);
  font-size: 0.84rem;
  font-family: var(--font-body);
  transition: 0.25s;
  text-align: left;
}

.float-dock a:hover,
.float-dock button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.float-dock .float-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--navy-950);
  font-weight: 500;
}

.float-dock .float-primary:hover {
  background: #6bb3e4;
  border-color: #6bb3e4;
  color: var(--navy-950);
}

.float-dock svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .float-dock,
  .mobile-dock {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

.line-visual {
  height: clamp(150px, 22vw, 200px);
  position: relative;
  overflow: hidden;
  background: var(--navy-800);
}

.line-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.55s var(--ease);
}

.line-card:hover .line-visual img {
  transform: scale(1.06);
}

.line-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(28, 31, 37, 0.35) 100%);
  pointer-events: none;
}

.line-visual-a {
  background:
    radial-gradient(circle at 50% 60%, rgba(143, 163, 184, 0.28), transparent 55%),
    linear-gradient(160deg, var(--navy-700), var(--navy-950));
}

.line-visual-b {
  background:
    linear-gradient(120deg, rgba(143, 163, 184, 0.12), transparent 40%),
    repeating-linear-gradient(90deg, transparent, transparent 18px, rgba(197, 205, 216, 0.06) 18px, rgba(197, 205, 216, 0.06) 19px),
    linear-gradient(160deg, var(--navy-700), var(--navy-950));
}

.line-visual-c {
  background:
    radial-gradient(circle at 70% 40%, rgba(143, 163, 184, 0.2), transparent 45%),
    linear-gradient(160deg, var(--navy-700), var(--navy-950));
}

.line-body {
  padding: 1.4rem 1.35rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.line-body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
  font-weight: 500;
}

.line-body p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
  flex: 1;
}

.line-more {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.spotlight-stack {
  border-top: 1px solid rgba(197, 205, 216, 0.08);
}

.spotlight-row {
  padding: 5rem 0;
  border-bottom: 1px solid rgba(197, 205, 216, 0.08);
}

.spotlight-row-alt {
  background: rgba(40, 44, 52, 0.35);
}

.spotlight-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.spotlight-inner.reverse {
  direction: rtl;
}

.spotlight-inner.reverse > * {
  direction: ltr;
}

.spotlight-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.03em;
  margin: 0.65rem 0 1rem;
  line-height: 1.3;
}

.spotlight-copy p:not(.section-label) {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 34em;
}

.spotlight-figure {
  min-height: 280px;
  border: 1px solid rgba(197, 205, 216, 0.1);
  background:
    radial-gradient(circle at 50% 50%, rgba(143, 163, 184, 0.12), transparent 60%),
    var(--navy-900);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.figure-ring {
  width: 180px;
  height: 180px;
  border: 1px solid var(--accent-line);
  border-radius: 50%;
  animation: ringPulse 6s ease-in-out infinite;
}

.figure-core {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(143, 163, 184, 0.55);
}

.figure-bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 120px;
}

.figure-bars i {
  display: block;
  width: 10px;
  background: linear-gradient(to top, var(--accent), rgba(143, 163, 184, 0.2));
  animation: barPulse 2.4s ease-in-out infinite;
}

.figure-bars i:nth-child(1) { height: 40%; animation-delay: 0s; }
.figure-bars i:nth-child(2) { height: 70%; animation-delay: 0.15s; }
.figure-bars i:nth-child(3) { height: 100%; animation-delay: 0.3s; }
.figure-bars i:nth-child(4) { height: 55%; animation-delay: 0.45s; }
.figure-bars i:nth-child(5) { height: 80%; animation-delay: 0.6s; }

@keyframes barPulse {
  0%, 100% { transform: scaleY(0.85); opacity: 0.7; }
  50% { transform: scaleY(1); opacity: 1; }
}

.sol-more {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--accent);
}

@media (max-width: 1024px) {
  .cap-grid,
  .why-grid,
  .platform-split,
  .trust-stats,
  .line-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-rail,
  .product-rail {
    --rail-cols: 2;
    --product-cols: 2;
  }

  .content-rail--adv {
    --rail-cols: 2;
  }

  .content-rail--adv-3 {
    --rail-cols: 3;
  }

  .cred-marquee {
    gap: 0.45rem;
  }

  .cred-frame {
    width: clamp(10rem, 28vw, 12rem);
    padding: 0.45rem;
  }

  .rail-nav-btn,
  .product-rail-btn,
  .cred-marquee-btn {
    width: 2.2rem;
    height: 2.2rem;
  }

  .home-adv-panel {
    aspect-ratio: 1 / 1;
    min-height: 0;
    padding: 1.7rem 1.45rem;
  }


  .home-app-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .app-accordion {
    flex-direction: column;
    height: auto;
    gap: 0.65rem;
  }

  .app-acc-item {
    flex: none !important;
    min-height: 5.2rem;
    transition: min-height 0.45s var(--ease), border-color 0.3s;
  }

  .app-acc-item.is-active {
    min-height: 16rem;
  }

  .app-acc-label {
    writing-mode: horizontal-tb;
    left: 1.25rem;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
    letter-spacing: 0.1em;
  }

  .app-acc-item.is-active .app-acc-label {
    opacity: 0;
    transform: translateY(-40%);
  }

  .app-acc-copy {
    padding: 1.5rem 1.25rem 1.25rem;
  }

  .case-card,
  .spotlight-inner,
  .spotlight-inner.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .scroll-progress {
    display: none;
  }

  .banner-slides {
    min-height: auto;
  }

  .banner-stage {
    min-height: 0;
  }

  .banner {
    height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), 78dvh);
    min-height: min(var(--banner-h-min, var(--page-header-height-min, 480px)), 58dvh);
    max-height: 100dvh;
  }

  .banner-bg .bg-ripple {
    opacity: 0.55;
    right: -10%;
  }

  .nav-mega {
    grid-template-columns: 1fr;
    left: 0;
    transform: none;
    min-width: 220px;
  }

  .nav-item.has-mega.is-hover .nav-mega {
    transform: none;
  }

  .site-footer > .container {
    padding-top: 2.25rem;
    padding-bottom: 2.25rem;
    padding-left: clamp(2rem, 5vw, 3rem);
    padding-right: clamp(1.5rem, 4vw, 2.25rem);
  }

  .footer-panel {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.65rem 1.5rem;
  }

  .footer-aside {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.65rem;
    align-items: stretch;
    display: grid;
    grid-template-columns: minmax(10rem, 14rem) minmax(0, 1fr);
    grid-template-areas:
      "title title"
      "qrs info";
    column-gap: 1.75rem;
    row-gap: 1rem;
  }

  .footer-aside-title {
    grid-area: title;
  }

  .footer-aside-qrs {
    grid-area: qrs;
    max-width: none;
  }

  .footer-aside-info {
    grid-area: info;
    max-width: none;
    align-content: start;
  }
}

@media (max-width: 860px) {
  .nav.is-open .nav-sub,
  .nav.is-open .nav-mega {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 8px 20px rgba(0, 0, 0, 0.22);
  }

  .nav.is-open .nav-sub a,
  .nav.is-open .mega-col a {
    color: rgba(255, 255, 255, 0.68) !important;
    text-align: center !important;
  }

  .nav.is-open .nav-sub a:hover,
  .nav.is-open .mega-col a:hover {
    color: #fff !important;
  }

  .nav.is-open .nav-sub a.is-active,
  .nav.is-open .mega-col a.is-active {
    color: var(--accent) !important;
  }

  .header-cta,
  .consult-pill {
    display: none;
  }

  .hero-content-center {
    text-align: left;
    align-items: flex-start;
    margin-inline: 0;
  }

  .hero-content-center .hero-cta {
    justify-content: flex-start;
  }

  .hero-scroll-hint {
    left: 1.25rem;
    transform: none;
    align-items: flex-start;
  }

  .capabilities {
    margin-top: 0;
    padding-top: 4.5rem;
  }

  .cap-grid,
  .why-grid,
  .platform-split,
  .trust-stats,
  .line-grid,
  .home-adv-row,
  .home-adv-grid,
  .home-app-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .content-rail,
  .product-rail {
    --rail-cols: 1;
    --product-cols: 1;
    gap: 0.5rem;
  }

  .rail-nav-btn,
  .product-rail-btn,
  .cred-marquee-btn {
    width: 2.15rem;
    height: 2.15rem;
  }

  .cred-marquee {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .cta-band-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .banner-copy-hero {
    padding: 1rem 0.5rem;
  }

  .banner-slide-hint {
    right: 0.85rem;
    left: auto;
    bottom: 1.15rem;
    gap: 0.55rem;
  }

  .banner-slide-hint > span {
    font-size: 0.64rem;
    letter-spacing: 0.22em;
  }

  .banner-mouse {
    width: 1rem;
    height: 1.55rem;
  }

  .banner-controls {
    bottom: 1.25rem;
  }

  .banner-slides {
    min-height: min(220px, 36vh);
    width: 100%;
  }

  .banner-slide {
    position: absolute;
    inset: 0;
    height: auto;
    overflow: visible;
  }

  .banner-bg .bg-ripple {
    display: none;
  }

  .nav-item.has-sub .nav-sub,
  .nav-item.has-mega .nav-mega {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    padding: 0.35rem 0.55rem 0.45rem;
    margin: 0.15rem 0 0.65rem;
    min-width: 0;
    width: 100%;
    display: none;
    left: auto;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.06),
      0 8px 20px rgba(0, 0, 0, 0.22);
  }

  .nav-item.has-sub.is-expanded .nav-sub,
  .nav-item.has-mega.is-expanded .nav-mega {
    display: block;
  }

  .nav-mega {
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    width: 100%;
  }

  .nav-item.has-mega.is-expanded .nav-mega {
    display: grid;
  }

  .nav-item.has-sub,
  .nav-item.has-mega {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .nav .nav-sub a,
  .nav .mega-col a {
    position: relative;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    padding: 0.7rem 0.65rem;
    color: rgba(255, 255, 255, 0.68);
    border-left: 0;
    line-height: 1.45;
    border-radius: 8px;
    min-height: 0;
    text-align: center;
    white-space: normal;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
  }

  .nav .nav-sub a:hover,
  .nav .mega-col a:hover {
    color: #fff;
    border-left-color: transparent;
    background: rgba(255, 255, 255, 0.05);
  }

  .nav .nav-sub a.is-active,
  .nav .mega-col a.is-active {
    color: var(--accent);
    background: rgba(74, 159, 216, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    font-weight: 500;
  }

  .nav .mega-col h4 {
    margin: 0.4rem 0 0.15rem;
    padding: 0.1rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    color: rgba(197, 205, 216, 0.5);
    text-transform: none;
    text-align: center;
  }

  .nav .mega-col + .mega-col {
    margin-top: 0.2rem;
    padding-top: 0.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .site-footer > .container {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1.15rem;
  }

  .footer-col h4 {
    letter-spacing: 0.06em;
  }

  .footer-aside {
    /* 移动端：标题通栏，二维码与联系信息左右并排 */
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "title title"
      "qrs info";
    column-gap: 1rem;
    row-gap: 0.95rem;
    align-items: start;
  }

  .footer-aside-qrs {
    max-width: none;
    justify-content: flex-start;
  }

  .footer-aside-qr {
    max-width: 6.5rem;
  }

  .footer-aside-qr img,
  .footer-aside-qr-placeholder {
    width: 5.75rem;
    max-width: 5.75rem;
    height: 5.75rem;
  }

  .footer-aside-qr figcaption {
    margin-top: 0.45rem;
    font-size: 0.72rem;
  }

  .footer-aside-info {
    gap: 0.7rem;
    align-content: center;
  }

  .footer-aside-info li {
    font-size: 0.78rem;
    line-height: 1.55;
    gap: 0.45rem;
  }
}

/* ---------- 屏幕适配：字�?/ 图片裁切 ---------- */
@media (max-width: 1366px) {
  :root {
    --header-h: 74px;
  }

  .brand-logo {
    height: 48px;
    max-width: min(210px, 42vw);
  }

  .nav > .nav-item > a,
.nav > .nav-item > .nav-row > a {
    font-size: 0.96rem;
    letter-spacing: 0.035em;
  }

  .nav a {
    padding: 0.45rem 0.72rem;
  }

  .nav a::after {
    left: 0.72rem;
    right: 0.72rem;
  }
}

@media (max-width: 1200px) {
  :root {
    --header-h: 72px;
  }

  .nav > .nav-item > a,
.nav > .nav-item > .nav-row > a {
    font-size: 0.92rem;
    letter-spacing: 0.03em;
  }

  .nav a {
    padding: 0.45rem 0.62rem;
  }

  .nav a::after {
    left: 0.62rem;
    right: 0.62rem;
  }

  .brand-logo {
    height: 46px;
    max-width: min(198px, 42vw);
  }

  .footer-panel {
    grid-template-columns: minmax(0, 1fr) minmax(170px, 200px);
    gap: 1.85rem 1.25rem;
  }

  .footer-cols {
    grid-template-columns: repeat(4, minmax(10rem, 1fr));
    gap: 1.25rem 1.35rem;
  }

  .footer-aside {
    padding-left: 1.25rem;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 72px;
    --section-pad-y: 2.85rem;
    --title-gap: 1.9rem;
    --title-size: clamp(1.55rem, 2.8vw, 1.95rem);
    --title-tracking: 0.065em;
    --title-en-size: clamp(0.78rem, 1.4vw, 0.92rem);
  }

  .section {
    padding: var(--section-pad-y) 0;
  }

  .section-title-layer {
    margin-bottom: var(--title-gap);
    padding: 0 0.75rem;
    gap: 0.3rem;
  }

  .home-news-head {
    margin-bottom: var(--title-gap);
    padding: 0;
  }

  .product-showcase-tabs {
    margin-bottom: var(--title-gap);
    gap: 0.1rem 1.15rem;
  }

  .product-showcase-tabs button {
    font-size: 1.08rem;
    padding: 0.32rem 0.05rem 0.55rem;
  }

  .brand-logo {
    height: 46px;
  }

  .nav > .nav-item > a,
.nav > .nav-item > .nav-row > a {
    font-size: 0.9rem;
  }

  .nav a {
    padding: 0.45rem 0.58rem;
  }

  .nav a::after {
    left: 0.58rem;
    right: 0.58rem;
  }

  .banner-stage {
    width: min(var(--container), calc(100% - 2rem));
    padding: calc(var(--header-h) + 0.75rem) 0 3.5rem;
  }

  .banner-copy {
    width: max-content;
    max-width: min(36rem, 100%);
  }

  .banner-bg .bg-photo {
    transform: scale(1.08);
  }

  .banner-bg[data-bg="0"] .bg-photo {
    object-position: 35% center;
  }

  .banner-bg[data-bg="1"] .bg-photo,
  .banner-bg[data-bg="2"] .bg-photo {
    object-position: 55% center;
  }

  .home-news-en {
    font-size: clamp(1.3rem, 3.2vw, 2.05rem);
    letter-spacing: 0.12em;
  }

  .line-visual {
    height: clamp(160px, 24vw, 190px);
  }

  .home-team-photo {
    width: 6.75rem;
    height: 6.75rem;
  }

  .cred-frame {
    width: clamp(9.5rem, 28vw, 12rem);
  }

  .page-hero {
    padding: calc(var(--header-h) + 3.25rem) 0 2.75rem;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 72px;
    --section-pad-y: 2.25rem;
    --title-gap: 1.6rem;
    --title-size: clamp(1.35rem, 4.6vw, 1.65rem);
    --title-tracking: 0.06em;
    --title-en-size: clamp(0.74rem, 2.4vw, 0.88rem);
  }

  .section {
    padding: var(--section-pad-y) 0;
  }

  .brand-logo {
    height: 42px;
    max-width: min(188px, 54vw);
  }

  .banner-stage {
    padding: calc(var(--header-h) + 0.5rem) 0 3.25rem;
  }

  .banner-orb,
  .banner-particles,
  .banner-scan,
  .hero-canvas {
    opacity: 0.35;
  }

  .section-title-layer {
    margin-bottom: var(--title-gap);
    padding: 0 0.35rem;
    gap: 0.25rem;
  }

  .home-news-head {
    margin-bottom: var(--title-gap);
    padding: 0;
  }

  .product-showcase-tabs {
    margin-bottom: var(--title-gap);
    gap: 0.05rem 0.85rem;
  }

  .product-showcase-tabs button {
    font-size: 1rem;
    padding: 0.28rem 0.02rem 0.48rem;
  }

  .home-adv-panel {
    aspect-ratio: 1 / 1;
    min-height: 0;
    padding: 1.35rem 1.15rem;
  }


  .home-team-panel {
    padding: 0.85rem 0.7rem 0.95rem;
    border-radius: 14px;
  }

  .home-news-title {
    padding: 0;
  }

  .home-news-en {
    font-size: clamp(1.15rem, 4.8vw, 1.65rem);
    letter-spacing: 0.1em;
    left: 0.4rem;
    transform: translateY(calc(-50% - 0.35rem));
  }

  .home-news-head h2 {
    letter-spacing: 0.1em;
    transform: translate(-0.15rem, 0.3rem);
  }

  .home-news-head h2::after {
    width: 2.2rem;
    margin-top: 0.75rem;
  }

  .line-visual {
    height: clamp(170px, 48vw, 210px);
  }

  .line-card h3,
  .line-card .line-body h3 {
    font-size: 1.05rem;
  }

  .home-team-lead-media {
    width: min(7.5rem, 42vw);
  }

  .home-team-photo span {
    font-size: 1.5rem;
  }

  .cred-frame {
    width: clamp(8.5rem, 42vw, 11rem);
    padding: 0.4rem;
  }

  .page-hero {
    padding: calc(var(--header-h) + 2.5rem) 0 2.25rem;
  }

  .page-hero p {
    font-size: 0.92rem;
  }

  .cta-band {
    padding: 3.25rem 0;
  }

  .cta-band h2 {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
  }
}

@media (max-width: 480px) {
  :root {
    --header-h: 66px;
    --container: min(1480px, calc(100% - 1.35rem));
    --nav-width: min(1480px, calc(100vw - 1.35rem));
    --section-pad-y: 1.75rem;
    --title-size: clamp(1.28rem, 6.2vw, 1.55rem);
    --title-tracking: 0.06em;
    --title-en-size: clamp(0.74rem, 3vw, 0.88rem);
  }

  .section {
    padding: var(--section-pad-y) 0;
  }

  .section-title-layer {
    margin-bottom: var(--title-gap);
    gap: 0.2rem;
  }

  .home-news-head {
    margin-bottom: var(--title-gap);
    padding: 0;
  }

  .product-showcase-tabs {
    margin-bottom: var(--title-gap);
  }

  .brand-logo {
    height: 40px;
    max-width: min(176px, 58vw);
  }

  .home-adv-panel {
    aspect-ratio: 1 / 1;
    min-height: 0;
    padding: 1.15rem 1rem;
  }


  .home-team-panel {
    padding: 0.8rem 0.65rem 0.85rem;
    border-radius: 12px;
  }

  .search-btn,
  .menu-toggle {
    width: 36px;
    height: 36px;
  }

  .banner-controls {
    bottom: 1rem;
  }

  .home-news-en {
    font-size: 1.1rem;
    letter-spacing: 0.08em;
  }

  .line-visual {
    height: 140px;
  }

  .home-adv-panel {
    aspect-ratio: 1 / 1;
    min-height: 0;
    padding: 1.15rem 1rem;
  }


  .home-team-panel {
    padding: 0.95rem 0.75rem 1.05rem;
    border-radius: 14px;
  }

  .home-team-lead {
    padding: 0.35rem 0.15rem 0;
  }

  .home-team-lead-media {
    width: min(160px, 68vw);
  }

  .home-team-divider {
    margin: 1rem 0.15rem 1.1rem;
  }

  .cred-frame {
    width: 8.25rem;
    padding: 0.35rem;
  }

  .footer-panel {
    gap: 1.5rem;
  }

  .site-footer > .container {
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
  }

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .footer-col h4,
  .footer-aside-title {
    margin-bottom: 0.85rem;
    padding-bottom: 0;
  }

  .footer-aside {
    column-gap: 0.85rem;
    row-gap: 0.85rem;
  }

  .footer-aside-qrs {
    max-width: none;
  }

  .footer-aside-qr {
    max-width: 5.75rem;
  }

  .footer-aside-qr img,
  .footer-aside-qr-placeholder {
    width: 5.25rem;
    max-width: 5.25rem;
    height: 5.25rem;
  }

  .footer-bottom {
    padding: 1rem 1rem 1.15rem;
    font-size: 0.76rem;
  }
}

/* ---------- Mobile layout polish (touch-first, single column) ---------- */
@media (max-width: 860px) {
  .scroll-progress {
    display: none;
  }

  /* 移动端底部导航区：页脚链接列 + 悬浮咨询栏均不展示 */
  .footer-cols,
  .float-dock,
  .mobile-dock {
    display: none !important;
  }

  .footer-panel {
    grid-template-columns: 1fr;
  }

  .footer-aside {
    max-width: none;
  }

  body.page-home .banner,
  .banner {
    height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), clamp(22rem, 58vw, 28rem));
    min-height: min(var(--banner-h-min, var(--page-header-height-min, 480px)), clamp(22rem, 58vw, 28rem));
    max-height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), 28rem);
  }

  .banner-visual,
  .banner-bgs,
  .banner-bg {
    inset: 0;
  }

  .banner-bg .bg-photo,
  .banner-bg .bg-video,
  .banner-bg[data-bg="0"] .bg-photo,
  .banner-bg[data-bg="1"] .bg-photo,
  .banner-bg[data-bg="2"] .bg-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transform: none;
    filter: brightness(0.92) contrast(1.04) saturate(1.02);
    animation: none;
  }

  .banner-bg.is-active .bg-photo {
    animation: none;
  }

  .banner-bg .bg-tint {
    opacity: 0.72;
    background:
      linear-gradient(
        180deg,
        rgba(8, 14, 22, 0.55) 0%,
        rgba(8, 14, 22, 0.28) 28%,
        rgba(8, 14, 22, 0.22) 52%,
        rgba(8, 14, 22, 0.48) 78%,
        rgba(8, 14, 22, 0.7) 100%
      );
  }

  .banner-stage {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    width: min(var(--container), calc(100% - 2rem));
    min-height: 100%;
    height: 100%;
    padding:
      calc(var(--header-h) + 0.55rem)
      0
      1.15rem;
    box-sizing: border-box;
  }

  .banner-slides {
    position: relative;
    width: 100%;
    min-height: 0;
    flex: 1 1 auto;
  }

  .banner-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    overflow: visible;
  }

  .banner-copy,
  .banner-copy-hero {
    width: max-content;
    max-width: min(94vw, 40rem);
    margin-inline: auto;
    padding: 0.5rem 0.35rem;
    text-align: center;
    align-items: center;
    background: none;
    backdrop-filter: none;
  }

  .banner-copy h1,
  .banner-copy-hero h1 {
    font-size: calc(clamp(1.2rem, 4.6vw, 1.85rem) * var(--page-header-title-scale, 1));
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin-bottom: 0.85rem;
    white-space: normal;
  }

  .banner-copy h1 .line,
  .banner-copy-hero h1 .line {
    display: block;
    padding-inline: 0.1rem;
    white-space: nowrap;
  }

  .banner-sub,
  .banner-copy-hero .banner-sub {
    font-size: clamp(0.82rem, 3.4vw, 0.92rem);
    line-height: 1.55;
    width: auto;
    max-width: min(92vw, 100%);
    margin-inline: auto;
    margin-bottom: 0;
    padding-inline: 0.35rem;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .banner-brand {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    margin-bottom: 0.7rem;
  }

  .banner-slide-hint {
    display: none;
  }

  .banner-progress,
  .banner-controls,
  .banner-dots {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    pointer-events: none !important;
  }

  .home-news-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .home-news-title {
    flex: 1 1 auto;
    min-width: 0;
  }

  .home-news-more {
    min-height: 2.5rem;
    padding: 0.35rem 0;
    align-self: flex-end;
  }

  .home-news-feature {
    min-height: 12.5rem;
    aspect-ratio: 16 / 10;
  }

  .home-news-side {
    min-height: 0;
    width: 100%;
  }

  .home-news-row {
    grid-template-columns: 2.35rem minmax(0, 1fr);
    gap: 0.45rem 0.7rem;
    padding: 0.9rem 0;
    min-height: 0;
    flex: none;
  }

  .home-news-arrow {
    display: none;
  }

  .home-news-index {
    font-size: 1.35rem;
  }

  .home-news-row h3 {
    font-size: 1.05rem;
    line-height: 1.45;
  }

  .home-news-row p {
    font-size: 0.8rem;
    line-height: 1.55;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }

  /* 核心技术优势：纵向堆叠，移动端压扁图片高度 */
  .content-rail--adv {
    display: block;
    padding-inline: 0;
    gap: 0;
  }

  .content-rail--adv .rail-nav-btn {
    display: none;
  }

  .content-rail--adv .content-rail-viewport {
    overflow: visible;
  }

  .content-rail--adv .content-rail-track {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
    transform: none !important;
    will-change: auto;
  }

  .content-rail--adv .home-adv-panel {
    flex: none !important;
    width: 100% !important;
    max-width: none !important;
    aspect-ratio: 16 / 9;
    max-height: 10.75rem;
    min-height: 0;
    height: auto;
    padding: 0.95rem 1rem;
  }


  .home-adv-body h3 {
    font-size: clamp(1.15rem, 4.5vw, 1.4rem);
    margin-bottom: 0.55rem;
  }

  .home-adv-body h3::after {
    margin-top: 0.65rem;
  }

  .home-adv-body p {
    font-size: 0.86rem;
    line-height: 1.7;
  }

  .app-accordion {
    gap: 0.55rem;
  }

  .app-acc-item {
    min-height: 4.75rem;
    border-radius: 10px;
  }

  .app-acc-item.is-active {
    min-height: min(15rem, 58vw);
  }

  .app-acc-copy {
    padding: 1.25rem 1.05rem 1.1rem;
  }

  .app-acc-copy h3 {
    font-size: 1.1rem;
  }

  .app-acc-copy p {
    font-size: 0.86rem;
    line-height: 1.65;
  }

  .cred-marquee {
    gap: 0.35rem;
  }

  .cred-frame {
    width: clamp(7.75rem, 38vw, 10rem);
  }

  .site-footer {
    padding-bottom: 0.25rem;
  }

  .btn,
  .intro-hero-cta,
  .product-gallery-link {
    min-height: 2.75rem;
  }

  .intro-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .intro-hero-actions .btn,
  .intro-hero-cta {
    width: 100%;
    max-width: none;
    justify-content: center;
  }

  body.page-home .intro-section--hero .intro-hero-copy,
  .intro-hero-copy {
    padding: 0 1rem;
  }

  .intro-hero-title.section-title-layer {
    margin-bottom: var(--title-gap);
  }

  .intro-hero-actions {
    margin-top: 0.85rem;
    gap: 0.5rem;
  }

  .intro-hero-visual,
  body.page-home .intro-section--hero .intro-hero-visual {
    inset: 0;
    height: auto;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(1480px, calc(100% - 1.5rem));
    --nav-width: min(1480px, calc(100vw - 1.5rem));
    --section-pad-y: 1.85rem;
    --title-gap: 1.45rem;
  }

  .banner-stage {
    width: min(var(--container), calc(100% - 1.5rem));
    padding-bottom: 2rem;
  }

  body.page-home .banner,
  .banner {
    height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), clamp(20rem, 56vw, 26rem));
    min-height: min(var(--banner-h-min, var(--page-header-height-min, 480px)), clamp(20rem, 56vw, 26rem));
    max-height: min(var(--banner-h-max, var(--page-header-height-max, 720px)), 26rem);
  }

  .banner-copy,
  .banner-copy-hero {
    max-width: min(94vw, 36rem);
  }

  .banner-copy h1,
  .banner-copy-hero h1 {
    font-size: calc(clamp(1.05rem, 4.2vw, 1.55rem) * var(--page-header-title-scale, 1));
    letter-spacing: 0.04em;
    line-height: 1.2;
    white-space: normal;
  }

  .banner-sub,
  .banner-copy-hero .banner-sub {
    font-size: 0.84rem;
    width: auto;
    max-width: min(92vw, 100%);
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .content-rail--adv .home-adv-panel,
  .home-adv-panel {
    aspect-ratio: 16 / 9;
    max-height: 9.75rem;
    min-height: 0;
    padding: 0.85rem 0.9rem;
  }


  .app-acc-item.is-active {
    min-height: min(13.5rem, 62vw);
  }

  .home-news-feature {
    min-height: 11.5rem;
    aspect-ratio: 4 / 3;
  }

  .home-news-slide-cap {
    padding: 0.85rem 0.85rem 2rem;
  }

  .home-news-slide-cap h3 {
    font-size: 1rem;
  }

  .home-team-lead-body p {
    font-size: 0.86rem;
    line-height: 1.7;
  }

  .footer-aside-qrs {
    display: flex;
    justify-content: flex-start;
    gap: 0.85rem;
    max-width: none;
  }

  .footer-aside-qr {
    text-align: center;
    max-width: 5.5rem;
  }

  .footer-aside-qr img,
  .footer-aside-qr-placeholder {
    width: 5rem;
    max-width: 5rem;
    height: 5rem;
    margin-inline: auto;
  }
}

@media (max-width: 480px) {
  .banner-copy h1 .line {
    display: block;
    white-space: nowrap;
  }

  .home-team-panel .content-rail--team .home-team-card {
    grid-template-columns: 4.35rem minmax(0, 1fr);
    column-gap: 0.8rem;
    padding: 0.85rem 0.8rem 0.9rem;
  }

  .home-team-panel .content-rail--team .home-team-photo {
    width: 4.35rem;
    height: 4.35rem;
  }

  .home-team-panel .content-rail--team .home-team-card h3 {
    font-size: 1rem;
  }

  .home-team-panel .content-rail--team .home-team-card .role {
    font-size: 0.8rem;
  }

  .cred-frame {
    width: 7.25rem;
  }

  .app-acc-label {
    left: 1rem;
    font-size: 0.92rem;
  }
}

/* 兜底：中小屏隐藏悬浮咨询 / 移动底栏 */
@media (max-width: 1024px) {
  .float-dock,
  .mobile-dock {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .banner-bg,
  .banner-slide {
    transition: opacity 0.35s ease, visibility 0.35s ease;
    transform: none !important;
  }

  .banner-bg:not(.is-active):not(.is-leave),
  .banner-slide:not(.is-active):not(.is-leave) {
    opacity: 0;
    visibility: hidden;
  }

  .banner-bg.is-active,
  .banner-bg.is-leave,
  .banner-slide.is-active,
  .banner-slide.is-leave {
    opacity: 1;
    visibility: visible;
  }

  html.js-gsap-home .banner-slide {
    opacity: 1;
  }
}

@media (hover: none), (pointer: coarse) {
  .home-adv-panel:hover,
  .home-team-card:hover,
  .home-team-lead:hover,
  .line-card:hover,
  .product-gallery-item:hover {
    transform: none;
  }

  .home-adv-panel:hover .home-adv-bg,
  .home-team-card:hover .home-team-photo,
  .home-news-slide:hover img {
    transform: none;
  }

  .home-adv-panel:active,
  .app-acc-item:active {
    transform: scale(0.995);
  }
}

/* 移动抽屉：左占位 + 标题 + 右箭头，三列等宽，名称与首页对齐。 */
@media (max-width: 860px) {
  .nav .nav-row {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: stretch !important;
    position: relative !important;
    width: 100% !important;
  }

  .nav .nav-row-balance {
    display: block !important;
    flex: 0 0 2.5rem !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }

  .nav > .nav-item > a:not(.nav-drawer-tel),
  .nav > .nav-item > .nav-row > a {
    display: block !important;
    flex: 1 1 auto !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    box-sizing: border-box;
    text-align: center !important;
    padding: 1rem 0.2rem !important;
  }

  .nav-expand {
    position: static !important;
    right: auto !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    flex: 0 0 2.5rem !important;
    width: 2.5rem !important;
    height: 2.5rem !important;
    margin: 0 !important;
    display: grid !important;
    place-items: center;
    grid-column: auto !important;
    grid-row: auto !important;
  }

  .nav-expand:active {
    transform: scale(0.96) !important;
  }

  .nav-item.is-expanded > .nav-row .nav-expand {
    transform: none !important;
  }
}