/* ================================================
   河北华晟智控电气有限公司 - 官网自定义样式 v2
   清新活泼 · 浅色玻璃拟态（液态玻璃按钮/卡片）
   ================================================ */
:root {
  --bg-0: #f5f9fd;
  --bg-1: #e9f1fa;
  --ink: #1e293b;
  --blue: #3b82f6;
  --indigo: #6366f1;
  --cyan: #06b6d4;
  --coral: #ff7f50;
  --amber: #f59e0b;
}

html { scroll-behavior: smooth; overflow-x: clip; }
body {
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  color: #334155;
  font-family: "MiSans", "MiSans VF", "HarmonyOS Sans SC", "PingFang SC",
    "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3 { letter-spacing: .015em; color: var(--ink); }
section[id] { scroll-margin-top: 88px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid rgba(59,130,246,.38); outline-offset: 3px;
}

/* 渐变标题字 */
.grad-blue {
  background: linear-gradient(100deg, #2563eb 10%, #06b6d4 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grad-warm {
  background: linear-gradient(100deg, #ff7f50 10%, #f59e0b 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- 层级：3D背景永远在最底层 ---------- */
#bg3d, #bg2d {
  position: fixed; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; display: block;
}
.site-ui { position: relative; z-index: 10; }

/* 背景之上的轻纱遮罩：保证文字可读又不压暗3D场景 */
.bg-scrim {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse at 28% 18%, rgba(255,255,255,.05) 0%, rgba(243,248,253,.42) 75%),
    linear-gradient(180deg, rgba(245,250,255,.18) 0%, rgba(236,244,251,.4) 100%);
}

/* ---------- 开屏动画层 ---------- */
#intro-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background:
    radial-gradient(ellipse at 28% 18%, rgba(255,255,255,.72) 0%, rgba(245,250,255,.24) 58%, transparent 76%),
    linear-gradient(180deg, #f5f9fd 0%, #e9f1fa 100%);
  cursor: default; opacity: 1; overflow: hidden; touch-action: manipulation;
  transition: opacity 1.25s cubic-bezier(.22,.72,.25,1);
}
#intro-overlay::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background:
    linear-gradient(90deg, transparent 49.94%, rgba(69,123,165,.055) 50%, transparent 50.06%),
    linear-gradient(0deg, transparent 49.94%, rgba(69,123,165,.04) 50%, transparent 50.06%),
    radial-gradient(circle at 50% 50%, transparent 36%, rgba(82,132,170,.08) 100%);
  background-size: 100% 100%, 100% 100%, 100% 100%;
}
#intro-overlay.fade-out { opacity: 0; pointer-events: none; }
#intro-overlay canvas { width: 100%; height: 100%; display: block; opacity: 1; transition: opacity .9s ease, filter .9s ease; }
#intro-copy {
  position: absolute; z-index: 4; top: 8.5vh; left: 4vw; right: 4vw;
  text-align: center; pointer-events: none;
}
#intro-kicker {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  color: rgba(54,88,116,.58); font-size: clamp(9px,.72vw,12px);
  letter-spacing: .42em; text-indent: .42em; opacity: 0;
  transform: translateY(9px); transition: opacity .75s ease, transform .75s ease;
}
#intro-kicker span { width: clamp(32px,5vw,76px); height: 1px; background: linear-gradient(90deg, transparent, rgba(72,126,166,.42)); }
#intro-kicker span:last-child { transform: rotate(180deg); }
#intro-skip {
  position: absolute; z-index: 6; top: 28px; right: 32px;
  color: rgba(48,73,94,.68); font-size: 11px; letter-spacing: .16em;
  padding: 9px 14px 9px 16px; border-radius: 9999px;
  background: rgba(255,255,255,.48); border: 1px solid rgba(99,143,176,.18);
  box-shadow: 0 8px 28px rgba(41,86,121,.08), inset 0 1px 0 rgba(255,255,255,.8);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  user-select: none; transition: color .25s ease, border-color .25s ease, background .25s ease;
}
#intro-skip b { margin-left: 5px; color: #e7a867; font-size: 9px; font-weight: 600; }
#intro-skip:hover { color: #1e3a52; border-color: rgba(229,146,64,.45); background: rgba(255,255,255,.82); }
#intro-title {
  position: relative; margin-top: 17px;
  color: #102f48; letter-spacing: .13em; font-size: clamp(48px, 5.65vw, 88px);
  line-height: 1.1; font-weight: 950; text-indent: .13em; opacity: 0;
  transform: translateY(18px) scale(.975); filter: blur(7px);
  -webkit-text-fill-color: #102f48;
  -webkit-text-stroke: .35px rgba(5,29,47,.5);
  text-shadow: 0 1px 0 rgba(255,255,255,.9), 0 4px 12px rgba(24,59,86,.14), 0 18px 48px rgba(32,74,105,.18);
  transition: opacity 1s ease, transform 1.1s cubic-bezier(.16,.8,.23,1), filter 1s ease;
}
#intro-title::after {
  content: ""; position: absolute; inset: -8% -2%; pointer-events: none;
  background: linear-gradient(105deg, transparent 34%, rgba(255,255,255,.9) 48%, rgba(247,166,84,.34) 52%, transparent 66%);
  transform: translateX(-120%); mix-blend-mode: screen;
}
#intro-sub {
  position: relative; margin-top: 15px; text-align: center;
  letter-spacing: .72em; font-size: clamp(14px, 1.25vw, 20px); text-indent: .72em;
  background: linear-gradient(90deg, #3d7196, #36556d 48%, #df8844);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0; transform: translateY(12px);
  transition: opacity .9s ease .18s, transform .9s ease .18s;
}
#intro-overlay.show-copy #intro-kicker,
#intro-overlay.show-copy #intro-title,
#intro-overlay.show-copy #intro-sub { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
#intro-overlay.sweep-copy #intro-title::after { animation: introMetalSweep 1.25s cubic-bezier(.2,.7,.25,1) forwards; }
#intro-overlay.handoff { pointer-events: none; }
#intro-overlay.handoff canvas { opacity: 1; filter: none; }
#intro-overlay.handoff #intro-copy,
#intro-overlay.handoff #intro-status,
#intro-overlay.handoff #intro-skip { opacity: 0; transform: translateY(-8px); transition: opacity .9s ease, transform .9s cubic-bezier(.22,.72,.25,1); }
#intro-overlay.canvas-adopted { background: transparent; }
#intro-overlay.canvas-adopted::before { opacity: 0; transition: opacity .55s ease; }
#intro-status {
  position: absolute; z-index: 5; left: 34px; bottom: 30px; display: flex; align-items: center; gap: 10px;
  color: rgba(55,88,112,.62); font-size: 10px; letter-spacing: .22em;
}
#intro-status i { width: 6px; height: 6px; border-radius: 50%; background: #f2a45c; box-shadow: 0 0 12px #ff8b35; animation: introPulse 1.1s ease-in-out infinite; }
#intro-progress {
  position: absolute; z-index: 7; bottom: 0; left: 0; right: 0; height: 2px;
  background: rgba(132,174,201,.08);
}
#intro-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, #557f9d, #dce9ef 48%, #f2a45c);
  border-radius: 0 9999px 9999px 0;
  box-shadow: 0 0 13px rgba(241,165,93,.65);
}
@keyframes introMetalSweep { to { transform: translateX(120%); } }
@keyframes introPulse { 0%,100% { opacity: .45; transform: scale(.72); } 50% { opacity: 1; transform: scale(1); } }

@media (max-width: 900px) {
  #intro-title {
    margin-top: 12px; padding: 0 8px;
    font-size: clamp(22px, 7.2vw, 34px);
    line-height: 1.45;
    letter-spacing: .08em;
    text-indent: .08em;
    white-space: nowrap;
    filter: blur(2px);
    transition: opacity .65s ease, transform .75s cubic-bezier(.16,.8,.23,1), filter .55s ease;
    text-shadow: 0 1px 0 rgba(255,255,255,.2), 0 8px 30px rgba(0,0,0,.28);
  }
  #intro-copy { top: max(72px, 9vh); left: 2vw; right: 2vw; }
  #intro-kicker { font-size: 8px; letter-spacing: .22em; text-indent: .22em; gap: 8px; }
  #intro-kicker span { width: 24px; }
  #intro-sub {
    margin-top: 8px; padding: 0 18px;
    font-size: clamp(11px, 3vw, 14px);
    line-height: 1.5;
    letter-spacing: .34em;
    text-indent: .34em;
  }
  #intro-skip {
    top: 18px; right: 16px; bottom: auto;
    padding: 8px 11px 8px 13px;
    white-space: nowrap;
    font-size: 10px; letter-spacing: .1em;
    background: rgba(255,255,255,.62);
  }
  #intro-status { left: 18px; bottom: 22px; font-size: 9px; }
  #intro-progress { height: 3px; }
}

/* ---------- 入场：UI 初始隐藏，开屏结束后淡入 + 轻微上移 ---------- */
body:not(.site-ready) #intro-overlay ~ .site-ui {
  opacity: 0; transform: translateY(34px) scale(.992); filter: blur(5px);
}
body:not(.site-ready) #intro-overlay ~ .bg-scrim { opacity: 0; }
.site-ui { opacity: 1; transform: none; filter: none; }
.bg-scrim { opacity: 0; transition: opacity 1.4s ease .1s; }
body.site-ready .site-ui {
  opacity: 1; transform: none; filter: none;
  transition: opacity 1.45s ease .08s, transform 1.45s cubic-bezier(.16,.82,.24,1) .08s, filter 1.1s ease .08s;
}
body.site-ready .bg-scrim { opacity: 1; }
#intro-overlay.fade-out ~ .site-ui {
  opacity: 1; transform: none; filter: none;
  transition: opacity 1.45s ease .08s, transform 1.45s cubic-bezier(.16,.82,.24,1) .08s, filter 1.1s ease .08s;
}
#intro-overlay.fade-out ~ .bg-scrim { opacity: 1; }

@media (max-width: 900px) {
  body:not(.site-ready) #intro-overlay ~ .site-ui {
    transform: translateY(16px) scale(.997);
    filter: blur(2px);
  }
  body.site-ready .site-ui,
  #intro-overlay.fade-out ~ .site-ui {
    transition: opacity .85s ease .04s, transform .85s cubic-bezier(.16,.82,.24,1) .04s, filter .5s ease .04s;
  }
}

body:not(.site-ready) #navbar { opacity: 0; transform: translateY(-18px); }
body.site-ready #navbar {
  opacity: 1; transform: translateY(0);
  transition: opacity .95s ease .18s, transform .95s cubic-bezier(.16,.82,.24,1) .18s,
              background-color .45s ease, backdrop-filter .45s ease,
              border-color .45s ease, box-shadow .45s ease;
}

/* ---------- 导航（滚动后：白色液态玻璃） ---------- */
#navbar {
  transition: background-color .45s ease, backdrop-filter .45s ease,
              border-color .45s ease, box-shadow .45s ease;
  border-bottom: 1px solid transparent;
}
#navbar.nav-scrolled {
  background: rgba(255, 255, 255, .62);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  backdrop-filter: blur(18px) saturate(1.5);
  border-bottom-color: rgba(59, 130, 246, .12);
  box-shadow: 0 8px 30px rgba(30, 64, 175, .08);
}

/* ---------- 五语言切换 ---------- */
.language-switcher {
  position: relative;
  z-index: 82;
  flex: 0 0 auto;
}
.language-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 66px;
  height: 38px;
  padding: 0 11px;
  border: 1px solid rgba(66,111,145,.18);
  border-radius: 999px;
  color: #29475f;
  background: rgba(255,255,255,.6);
  box-shadow: 0 8px 24px rgba(32,73,104,.08), inset 0 1px 0 rgba(255,255,255,.88);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: color .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease, transform .22s ease;
}
.language-trigger svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
}
.language-trigger i {
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .22s ease;
}
.language-switcher.is-open .language-trigger,
.language-trigger:hover {
  color: #e66118;
  border-color: rgba(238,111,39,.34);
  background: rgba(255,255,255,.92);
  box-shadow: 0 11px 30px rgba(41,82,114,.13), 0 0 0 3px rgba(247,133,67,.07);
  transform: translateY(-1px);
}
.language-switcher.is-open .language-trigger i { transform: rotate(225deg) translate(-1px,-1px); }
.language-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 218px;
  padding: 8px;
  border: 1px solid rgba(76,116,145,.15);
  border-radius: 16px;
  background: rgba(251,253,255,.96);
  box-shadow: 0 22px 56px rgba(31,65,91,.19), inset 0 1px 0 #fff;
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(.975);
  transform-origin: top right;
  pointer-events: none;
  transition: opacity .2s ease, visibility .2s ease, transform .24s cubic-bezier(.2,.75,.25,1);
}
.language-switcher.is-open .language-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.language-menu button {
  display: grid;
  grid-template-columns: 34px minmax(0,1fr) 18px;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 0 10px;
  border-radius: 10px;
  color: #52697b;
  text-align: left;
  white-space: nowrap;
  transition: color .18s ease, background .18s ease, transform .18s ease;
}
.language-menu button b { color: #93a7b6; font-size: 9px; letter-spacing: .08em; }
.language-menu button span { font-size: 13px; font-weight: 620; }
.language-menu button i { color: #f47731; font-size: 12px; opacity: 0; transform: scale(.7); transition: opacity .18s ease, transform .18s ease; }
.language-menu button:hover { color: #18384f; background: linear-gradient(100deg,rgba(227,241,250,.74),rgba(255,242,232,.62)); transform: translateX(2px); }
.language-menu button.is-active { color: #193b54; background: linear-gradient(100deg,rgba(217,238,250,.82),rgba(255,239,226,.78)); }
.language-menu button.is-active b { color: #4c8db8; }
.language-menu button.is-active i { opacity: 1; transform: scale(1); }

/* 拉丁/西里尔语言排版：按单词换行，禁止把单词的最后一个字母挤到下一行 */
html:not([data-language="zh"]) body {
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}
html:not([data-language="zh"]) h1,
html:not([data-language="zh"]) h2,
html:not([data-language="zh"]) h3,
html:not([data-language="zh"]) .sec-title,
html:not([data-language="zh"]) .home-hero-title {
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  text-wrap: balance;
  letter-spacing: -.018em;
}
html:not([data-language="zh"]) p { text-wrap: pretty; }
html:not([data-language="zh"]) #navbar .nav-inner { max-width: 1440px; }
html:not([data-language="zh"]) #navbar .nav-inner > nav { gap: 18px; }
html:not([data-language="zh"]) #navbar .nav-link,
html:not([data-language="zh"]) #navbar .mega-trigger,
html:not([data-language="zh"]) #navbar .btn-orange,
html:not([data-language="zh"]) .home-hero .btn-orange,
html:not([data-language="zh"]) .home-secondary-btn {
  white-space: nowrap;
  word-break: keep-all;
}
html:not([data-language="zh"]) #navbar .nav-link,
html:not([data-language="zh"]) #navbar .mega-trigger { font-size: 12px; letter-spacing: -.01em; }
html:not([data-language="zh"]) .home-hero-title { font-size: clamp(38px,3.85vw,52px); line-height: 1.08; }
html:not([data-language="zh"]) .home-hero-title-line {
  width: auto;
  white-space: normal;
  text-wrap: balance;
}
html:not([data-language="zh"]) .home-hero-title-accent { flex-wrap: wrap; row-gap: .04em; }
@media (min-width: 1024px) {
  html:not([data-language="zh"]) .home-hero-grid {
    grid-template-columns: minmax(0,1.08fr) minmax(440px,.92fr);
    gap: 32px;
  }
  html:not([data-language="zh"]) .home-hero-title { max-width: 680px; }
}
html:not([data-language="zh"]) #intro-title { letter-spacing: .035em; text-indent: 0; font-size: clamp(44px,5vw,78px); }
html:not([data-language="zh"]) #intro-sub { letter-spacing: .2em; text-indent: 0; }

@media (max-width: 1100px) and (min-width: 1024px) {
  html:not([data-language="zh"]) #navbar .brand-tag { display: none; }
  html:not([data-language="zh"]) #navbar .nav-inner > nav { gap: 12px; }
  html:not([data-language="zh"]) #navbar .nav-link,
  html:not([data-language="zh"]) #navbar .mega-trigger { font-size: 11px; }
  .language-trigger { min-width: 58px; padding: 0 9px; }
}

@media (max-width: 1023px) {
  .language-switcher { margin-left: auto; margin-right: 6px; }
  .language-trigger { min-width: 58px; height: 36px; }
  .language-menu { position: fixed; top: 68px; right: 14px; width: min(238px,calc(100vw - 28px)); }
  html:not([data-language="zh"]) #mobile-menu a,
  html:not([data-language="zh"]) #mobile-menu button { word-break: normal; overflow-wrap: normal; hyphens: none; }
}

@media (max-width: 520px) {
  .language-trigger { min-width: 52px; padding: 0 9px; gap: 5px; }
  .language-trigger svg { width: 15px; height: 15px; }
  .language-trigger i { display: none; }
  html:not([data-language="zh"]) .home-hero-title { font-size: clamp(28px,8.35vw,35px); line-height: 1.08; }
  html:not([data-language="zh"]) .home-hero-actions { flex-direction: column; gap: 11px; }
  html:not([data-language="zh"]) .home-hero-actions > a { width: 100%; flex-basis: auto; }
  html:not([data-language="zh"]) #intro-title { font-size: clamp(24px,7.7vw,34px); line-height: 1.18; white-space: normal; text-wrap: balance; }
}
.nav-link { position: relative; }
.nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: -6px;
  width: 0; height: 3px; border-radius: 9999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width .3s ease, left .3s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; left: 0; }
.nav-link.active { color: var(--ink); font-weight: 600; }

#mobile-menu {
  max-height: 0; overflow: hidden; visibility: hidden; opacity: 0;
  transition: max-height .45s cubic-bezier(.22,.8,.32,1), opacity .24s ease, visibility 0s linear .45s;
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border-radius: 0 0 22px 22px;
  box-shadow: 0 18px 40px rgba(30, 64, 175, .1);
}
#mobile-menu.open { max-height: 480px; visibility: visible; opacity: 1; transition-delay: 0s; }
#mobile-menu[aria-hidden="true"] { pointer-events: none; }
#mobile-menu.open[aria-hidden="false"] { pointer-events: auto; }

.page-progress {
  position: fixed; z-index: 80; right: 8px; top: 24%; width: 3px; height: 52%;
  border-radius: 999px; background: rgba(76,112,150,.12); opacity: 0;
  pointer-events: none; transition: opacity .3s ease;
}
.page-progress.is-active { opacity: 1; }
.page-progress span {
  display: block; width: 100%; height: 100%; border-radius: inherit; transform: scaleY(0);
  transform-origin: top; background: linear-gradient(180deg, var(--cyan), var(--blue), var(--coral));
  box-shadow: 0 0 10px rgba(59,130,246,.4); will-change: transform;
}

/* ---------- 滚动显现动效 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s ease, transform .9s cubic-bezier(.22,.8,.32,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: .12s; }
.reveal-d2 { transition-delay: .24s; }
.reveal-d3 { transition-delay: .36s; }

/* 展开式过渡（图片/图纸卡片） */
.sheet-unfold { opacity: 0; transform: translateY(26px) scale(.985); transform-origin: center top;
  transition: opacity .78s ease, transform .78s cubic-bezier(.2,.85,.3,1); }
.sheet-unfold.visible { opacity: 1; transform: translateY(0) scale(1); }

.media-loading { opacity: .01; }
.media-loaded { opacity: 1; transition: opacity .42s ease; }

/* ---------- 卡片悬浮微动效 ---------- */
.hover-lift { transition: transform .35s cubic-bezier(.22,.8,.32,1), box-shadow .35s ease, border-color .35s ease; }
.hover-lift:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 24px 48px rgba(59, 130, 246, .16), 0 0 0 1px rgba(59, 130, 246, .22);
  border-color: rgba(59, 130, 246, .35) !important;
}

/* 液态玻璃卡片（沿用 .metal-panel 类名） */
.metal-panel {
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(255, 255, 255, .85);
  border-radius: 22px;
  box-shadow: 0 10px 34px rgba(30, 64, 175, .07), inset 0 1px 0 rgba(255,255,255,.9);
  -webkit-backdrop-filter: blur(18px) saturate(1.45);
  backdrop-filter: blur(18px) saturate(1.45);
  position: relative; overflow: hidden;
}
.metal-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, rgba(255,255,255,.35) 0%, transparent 38%);
}
.rivet::after {
  content: ""; position: absolute; top: 12px; right: 12px; width: 7px; height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  opacity: .55;
}

.product-render-3d-grid {
  perspective: 1350px;
  perspective-origin: 50% 42%;
}
.product-render-card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --parallax-x: 0px;
  --parallax-y: 0px;
  --glow-x: 50%;
  --glow-y: 42%;
  border-radius: 22px;
}
.product-render-card[data-tilt-3d] {
  transform: perspective(1050px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(0);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .48s cubic-bezier(.22,.8,.32,1), box-shadow .35s ease, border-color .35s ease;
}
.product-render-card[data-tilt-3d]:hover {
  transform: perspective(1050px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-5px);
  border-color: rgba(59,130,246,.36) !important;
  box-shadow: 0 28px 54px rgba(41,79,121,.19), 0 0 0 1px rgba(59,130,246,.16);
}
.product-render-card::before { display: none; }
.product-render-card[data-tilt-3d]::after {
  content: "";
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(circle at var(--glow-x) var(--glow-y),rgba(255,255,255,.38),transparent 34%);
  mix-blend-mode: soft-light;
  transition: opacity .28s ease;
}
.product-render-card[data-tilt-3d]:hover::after { opacity: 1; }
.product-render-head {
  min-width: 0;
  max-width: min(720px, 100%);
}
.product-render-desc {
  max-width: 680px;
  overflow-wrap: normal;
  word-break: normal;
  line-break: auto;
  hyphens: none;
}
.product-render-media {
  position: relative;
  height: 260px;
  overflow: hidden;
  transform: translateZ(22px);
  transform-style: preserve-3d;
  background: linear-gradient(135deg, rgba(219,234,254,.72), rgba(255,255,255,.82));
}
.product-render-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: translate3d(var(--parallax-x),var(--parallax-y),28px) scale(1.035);
  will-change: transform;
  transition: transform .42s cubic-bezier(.22,.8,.32,1), filter .48s ease;
}
.product-render-card:hover .product-render-img {
  transform: translate3d(var(--parallax-x),var(--parallax-y),28px) scale(1.075);
  filter: saturate(1.08) contrast(1.03);
}
.product-render-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 10px;
  border-radius: 9999px;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(255,255,255,.9);
  color: #2563eb;
  font-size: 10px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: .12em;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 18px rgba(30,64,175,.12);
  transform: translateZ(48px);
}
.product-render-interactive {
  position: absolute;
  z-index: 5;
  top: 15px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  color: #486781;
  background: rgba(255,255,255,.58);
  box-shadow: 0 8px 18px rgba(38,72,110,.08);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 8px;
  font-weight: 760;
  letter-spacing: .12em;
  transform: translateZ(52px);
}
.product-render-interactive i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 10px rgba(56,189,248,.9);
}
.product-render-card[data-tilt-3d] > .p-5 {
  position: relative;
  z-index: 2;
  transform: translateZ(14px);
}

@media (max-width: 640px) {
  .product-render-media { height: 220px; }
  .product-render-card[data-tilt-3d],
  .product-render-card[data-tilt-3d]:hover { transform: none; }
  .product-render-media,
  .product-render-card[data-tilt-3d] > .p-5,
  .product-render-badge,
  .product-render-interactive { transform: none; }
  .product-render-img,
  .product-render-card:hover .product-render-img { transform: scale(1.025); }
  .product-render-interactive { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .product-render-card[data-tilt-3d],
  .product-render-card[data-tilt-3d]:hover,
  .product-render-img,
  .product-render-card:hover .product-render-img { transform: none !important; transition: none !important; }
  .product-render-interactive { display: none; }
}

/* 活力渐变条（沿用 .hazard-bar 类名） */
.hazard-bar {
  height: 6px; border-radius: 9999px;
  background: linear-gradient(90deg, var(--coral), var(--amber), var(--cyan), var(--blue));
}

/* 蓝图网格背景（图纸感 · 浅色） */
.blueprint {
  background-color: rgba(59, 130, 246, .05);
  background-image:
    linear-gradient(rgba(59, 130, 246, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, .1) 1px, transparent 1px);
  background-size: 22px 22px;
}

/* 数字滚动统计 */
.stat-num { font-variant-numeric: tabular-nums; }

/* ---------- 表单 ---------- */
.form-input {
  background: rgba(255, 255, 255, .75);
  border: 1px solid rgba(100, 116, 139, .22);
  color: var(--ink); transition: border-color .3s, box-shadow .3s, background .3s; width: 100%;
  padding: .74rem 1.1rem; border-radius: 14px; font-size: .92rem;
}
.form-input::placeholder { color: #94a3b8; }
.form-input:focus {
  outline: none; border-color: var(--blue); background: rgba(255,255,255,.95);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, .14);
}
.form-input.err { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255, 127, 80, .15); }
.err-msg { color: #f4633a; font-size: .78rem; margin-top: .3rem; min-height: 1rem; }

/* ---------- 液态玻璃按钮 ---------- */
.btn-industrial, .btn-orange {
  border-radius: 9999px; text-align: center;
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
  transition: transform .3s cubic-bezier(.22,.8,.32,1), box-shadow .3s ease, filter .3s ease;
  position: relative; overflow: hidden;
}
.btn-industrial:not(.hidden), .btn-orange:not(.hidden) { display: inline-block; }
.btn-industrial::before, .btn-orange::before {
  content: ""; position: absolute; inset: 1px; border-radius: 9999px; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,.05) 48%);
}
.btn-industrial {
  background: linear-gradient(135deg, rgba(59,130,246,.88), rgba(99,102,241,.88));
  border: 1px solid rgba(255, 255, 255, .55); color: #fff;
  box-shadow: 0 10px 26px rgba(59, 130, 246, .32), inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-industrial:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 34px rgba(59, 130, 246, .42); }
.btn-orange {
  background: linear-gradient(135deg, rgba(255,138,76,.92), rgba(255,111,60,.92));
  border: 1px solid rgba(255, 255, 255, .6); color: #fff; font-weight: 700;
  box-shadow: 0 10px 26px rgba(255, 122, 60, .34), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-orange:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 34px rgba(255, 122, 60, .45); }
.btn-industrial:active, .btn-orange:active { transform: translateY(0) scale(.975); transition-duration: .08s; }

/* 章节标题装饰：圆润渐变竖条 */
.sec-title { position: relative; padding-left: 18px; }
.sec-title::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 6px; height: 78%; border-radius: 9999px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

/* 滚动条 */
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: #b9cbe2; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }

/* 弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .reveal, .sheet-unfold, .site-ui { transition: none !important; transform: none !important; opacity: 1 !important; }
}

/* ---------- 实际产品档案与交互式3D查看器 ---------- */
.product-catalog-section {
  position: relative;
  overflow: clip;
  scroll-margin-top: 76px;
  background:
    radial-gradient(circle at 8% 8%, rgba(82,173,234,.10), transparent 29%),
    radial-gradient(circle at 92% 14%, rgba(255,136,71,.07), transparent 24%),
    rgba(255,255,255,.28);
}
.product-catalog-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .42;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(63,125,181,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,125,181,.045) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 13%, #000 88%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 13%, #000 88%, transparent);
}
.catalog-anchor { position: absolute; top: -76px; width: 1px; height: 1px; pointer-events: none; }
.product-catalog-count {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(74,119,164,.14);
  border-radius: 999px;
  color: #6f8295;
  background: rgba(255,255,255,.66);
  box-shadow: 0 8px 24px rgba(43,79,111,.07);
  font-size: 11px;
  white-space: nowrap;
}
.product-catalog-count b { color: #2877c6; font-size: 20px; line-height: 1; }
.product-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(73,113,151,.13);
  border-radius: 18px;
  background: rgba(255,255,255,.65);
  box-shadow: 0 15px 42px rgba(41,75,109,.08), inset 0 1px 0 rgba(255,255,255,.9);
}
.product-filter {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: #60758a;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  cursor: pointer;
  touch-action: manipulation;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.product-filter b {
  min-width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #71859a;
  background: rgba(96,129,163,.09);
  font-size: 9px;
}
.product-filter:hover { color: #235e9a; background: rgba(235,244,252,.8); }
.product-filter:active { transform: scale(.98); }
.product-filter:focus-visible { outline: 3px solid rgba(59,130,246,.2); outline-offset: 2px; }
.product-filter.is-active {
  border-color: rgba(73,142,215,.22);
  color: #fff;
  background: linear-gradient(115deg,#368ce2,#506ee7);
  box-shadow: 0 9px 22px rgba(55,116,203,.22);
}
.product-filter.is-active b { color: #2f70b9; background: rgba(255,255,255,.92); }
.real-product-grid { align-items: stretch; margin-top: 24px; }
.real-product-card { min-width: 0; }
.real-product-card[hidden] { display: none !important; }
.real-product-media {
  position: relative; height: 230px; overflow: hidden;
  background: linear-gradient(135deg, #dbe8f5, #f7fafc);
}
.real-product-media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 56%, rgba(12,27,43,.58));
}
.real-product-media img {
  width: 100%; height: 100%; display: block; object-fit: cover;
  transition: transform .55s cubic-bezier(.22,.8,.32,1), filter .55s ease;
}
.real-product-card:hover .real-product-media img { transform: scale(1.05); filter: saturate(1.05) contrast(1.03); }
.interactive-3d-badge {
  position: absolute; left: 14px; bottom: 13px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.44); border-radius: 999px;
  color: #fff; background: rgba(15,35,54,.48); font-size: 10px; font-weight: 800; letter-spacing: .12em;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.interactive-3d-badge i { width: 7px; height: 7px; border-radius: 50%; background: #67e8f9; box-shadow: 0 0 11px #22d3ee; }
.real-product-photo-badge {
  position: absolute;
  left: 14px;
  top: 13px;
  z-index: 2;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  color: #334f67;
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
}
.real-product-index { position: absolute; right: 14px; top: 13px; z-index: 2; color: rgba(255,255,255,.9); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-shadow: 0 2px 8px rgba(0,0,0,.35); }
.real-product-copy { position: relative; padding: 20px; min-height: 158px; }
.view-3d-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 14px; color: #2563eb; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.view-3d-link b { transition: transform .25s ease; }
.real-product-card:hover .view-3d-link b { transform: translate(3px,-3px); }

.product-detail-visual {
  position: relative;
  display: grid;
  min-height: 0;
  overflow: hidden;
  border-radius: 18px;
  isolation: isolate;
}
.product-detail-visual > #pd-svg,
.product-detail-visual > .product-3d-stage {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}
.product-detail-visual > #pd-svg[hidden],
.product-detail-visual > .product-3d-stage[hidden],
.product-detail-visual > [hidden] {
  display: none !important;
}

.product-3d-stage {
  position: relative; height: 100%; min-height: 320px; overflow: hidden;
  border-radius: 18px; cursor: grab; touch-action: none;
  background:
    radial-gradient(circle at 50% 38%, rgba(255,255,255,.96), rgba(220,233,246,.66) 50%, rgba(196,215,235,.5) 100%),
    linear-gradient(135deg, #edf5fc, #dce9f5);
}
.product-3d-stage:active { cursor: grabbing; }
.product-3d-stage:focus-visible { outline: 3px solid rgba(59,130,246,.42); outline-offset: 3px; }
.product-3d-stage canvas { width: 100%; height: 100%; display: block; outline: none; transition: opacity .3s ease; }
.viewer-toolbar {
  position: absolute; left: 14px; right: 14px; bottom: 13px; z-index: 4;
  display: flex; align-items: center; justify-content: space-between; gap: 10px; pointer-events: none;
}
.viewer-hint, .viewer-reset {
  border: 1px solid rgba(255,255,255,.72); border-radius: 999px;
  background: rgba(255,255,255,.7); color: #526475; font-size: 10px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 6px 18px rgba(35,77,120,.08);
}
.viewer-hint { padding: 8px 12px; letter-spacing: .08em; }
.viewer-reset { padding: 8px 12px; pointer-events: auto; cursor: pointer; transition: .2s ease; }
.viewer-reset:hover { color: #2563eb; border-color: rgba(59,130,246,.35); }
.viewer-loading {
  position: absolute; inset: 0; z-index: 5; display: grid; place-items: center;
  color: #66819a; font-size: 11px; letter-spacing: .18em; pointer-events: none;
  transition: opacity .45s ease;
}
.viewer-loading::before {
  content: ""; position: absolute; width: 46px; height: 46px; border-radius: 50%;
  border: 2px solid rgba(59,130,246,.12); border-top-color: #3b82f6; animation: viewerSpin .9s linear infinite;
}
.viewer-loading span { transform: translateY(40px); }
.viewer-ready .viewer-loading { opacity: 0; }
.viewer-source-toggle {
  position: absolute; top: 14px; right: 14px; z-index: 6; width: 92px; height: 68px;
  padding: 0; border: 2px solid rgba(255,255,255,.82); border-radius: 11px; overflow: hidden;
  background: rgba(255,255,255,.9); box-shadow: 0 8px 22px rgba(30,64,100,.18);
  cursor: zoom-in; transition: width .35s ease, height .35s ease, border-radius .35s ease;
}
.viewer-source-photo { width: 100%; height: 100%; display: block; object-fit: cover; }
.product-3d-stage.show-source-photo .viewer-source-toggle {
  width: calc(100% - 28px); height: calc(100% - 28px); border-radius: 16px; cursor: zoom-out;
}
.product-3d-stage.show-source-photo .viewer-source-photo { object-fit: contain; background: #eef4f9; }
.product-3d-stage.show-source-photo canvas,
.product-3d-stage.show-source-photo .viewer-label,
.product-3d-stage.show-source-photo .viewer-toolbar { opacity: .06; pointer-events: none; }
.viewer-label {
  position: absolute; top: 14px; left: 14px; z-index: 4; padding: 7px 10px;
  border-radius: 9px; background: rgba(255,255,255,.68); border: 1px solid rgba(255,255,255,.8);
  color: #2563eb; font-size: 9px; font-weight: 800; letter-spacing: .14em;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
@keyframes viewerSpin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .product-catalog-section { scroll-margin-top: 64px; }
  .product-catalog-count { padding: 8px 12px; }
  .product-filter-bar {
    margin-right: -16px;
    padding: 8px 16px 11px 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
  }
  .product-filter-bar::-webkit-scrollbar { display: none; }
  .product-filter { flex: 0 0 auto; min-height: 44px; scroll-snap-align: start; border-color: rgba(76,116,154,.14); background: rgba(255,255,255,.72); }
  .product-filter.is-active { border-color: transparent; background: linear-gradient(115deg,#368ce2,#506ee7); }
  .real-product-grid { margin-top: 15px; }
  .real-product-media { height: 210px; }
  .product-detail-visual { height: clamp(330px, 104vw, 420px); border-radius: 14px; }
  .product-3d-stage { min-height: 0; touch-action: pan-y; border-radius: 14px; }
  .viewer-source-toggle { width: 74px; height: 56px; }
  .viewer-toolbar { left: 10px; right: 10px; bottom: 10px; }
  .viewer-hint { max-width: calc(100% - 86px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .viewer-reset { min-width: 74px; min-height: 40px; }
  .product-detail-hero { padding-top: 6.5rem; padding-bottom: .75rem; }
  .product-detail-main { padding-top: 1.25rem; padding-bottom: 2rem; }
}

@media (max-width: 767px) {
  .site-ui > section:not(.home-hero),
  .site-ui > footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 760px;
  }
}

@media (max-width: 900px) {
  .sheet-unfold { transform: translateY(18px); }
  .sheet-unfold.visible { transform: translateY(0); }
  .hover-lift:hover { transform: translateY(-3px); }
  .page-progress { right: 4px; width: 2px; }
  .reveal { transform: translateY(18px); transition-duration: .56s; }
}

@media (prefers-reduced-motion: reduce) {
  .viewer-loading::before { animation: none; }
  .media-loaded, .page-progress, .hover-lift { transition: none !important; }
}

/* ---------- 2026 品牌字标与平台式首页首屏 ---------- */
#navbar {
  background: rgba(247, 250, 253, .8);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  backdrop-filter: blur(18px) saturate(1.35);
  border-bottom-color: rgba(80, 112, 146, .08);
}
#navbar.nav-scrolled {
  background: rgba(250, 252, 255, .94);
  border-bottom-color: rgba(59, 130, 246, .13);
}
.nav-inner {
  height: 76px;
  gap: 28px;
}
.brand-wordmark {
  position: relative;
  flex: 0 0 auto;
  width: 222px;
  color: #172638;
  line-height: 1;
  text-decoration: none;
}
.brand-main {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  padding: 1px 1px 3px 0;
  font-family: "Arial Narrow", "Aptos Display", "Helvetica Neue", sans-serif;
  font-size: 25px;
  letter-spacing: .105em;
  transform: scaleX(.94);
  transform-origin: left center;
  white-space: nowrap;
}
.brand-main b,
.brand-main em {
  font-style: normal;
  font-weight: 750;
}
.brand-main em { color: #3a5268; font-weight: 470; }
.brand-main i {
  position: absolute;
  left: 73px;
  top: -1px;
  width: 2px;
  height: 25px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--coral), var(--amber));
  box-shadow: 0 0 10px rgba(255,127,80,.28);
  transform: rotate(19deg);
}
.brand-tag {
  display: block;
  margin-top: 2px;
  color: #607488;
  font-family: "Arial Narrow", "Aptos", sans-serif;
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: .185em;
  white-space: nowrap;
}
#navbar .nav-link {
  padding: 7px 0;
  font-weight: 520;
  letter-spacing: .015em;
}
#navbar .btn-orange {
  min-width: 108px;
  padding-left: 20px;
  padding-right: 20px;
}

.admin-portal-link {
  position: relative;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex: 0 0 auto;
  min-width: 96px;
  height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(66,111,145,.2);
  border-radius: 999px;
  color: #36566f;
  background: rgba(255,255,255,.62);
  box-shadow: 0 8px 24px rgba(32,73,104,.07), inset 0 1px 0 rgba(255,255,255,.92);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.admin-portal-link svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.admin-portal-link:hover,
.admin-portal-link:focus-visible {
  color: #e66118;
  border-color: rgba(238,111,39,.34);
  background: rgba(255,255,255,.94);
  box-shadow: 0 11px 30px rgba(41,82,114,.13), 0 0 0 3px rgba(247,133,67,.07);
  transform: translateY(-1px);
  outline: none;
}
.admin-portal-link:active { transform: translateY(0) scale(.97); }

@media (max-width: 1260px) and (min-width: 1024px) {
  .admin-portal-link { min-width: 38px; width: 38px; padding: 0; }
  .admin-portal-link span { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
}

.home-hero {
  padding-top: 92px;
  padding-bottom: 46px;
  overflow: hidden;
}
.home-hero::before {
  content: "";
  position: absolute;
  inset: 76px 0 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 79% 43%, rgba(255,255,255,.82) 0 11%, transparent 43%),
    linear-gradient(90deg, rgba(245,249,253,.6) 0%, rgba(245,249,253,.28) 48%, rgba(232,241,250,.15) 100%);
}
.home-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .93fr) minmax(480px, 1.07fr);
  align-items: center;
  gap: clamp(34px, 4.5vw, 72px);
}
.home-hero-copy { position: relative; z-index: 3; min-width: 0; padding: 34px 0 22px; }
.home-hero-title {
  max-width: 650px;
  font-size: clamp(42px, 4.45vw, 66px);
  line-height: 1.12;
  font-weight: 860;
  letter-spacing: -.025em;
}
.home-hero-title-line {
  display: block;
  width: max-content;
  max-width: 100%;
  white-space: nowrap;
}
.home-hero-title-line + .home-hero-title-line { margin-top: .1em; }
.home-hero-title-accent {
  display: flex;
  align-items: baseline;
  gap: .2em;
}
.home-hero-title-accent > span { display: inline-block; white-space: nowrap; }
.home-hero-title-tail {
  display: inline-flex !important;
  align-items: baseline;
  gap: .2em;
}
.home-hero-title-accent i {
  color: #8191a1;
  font-style: normal;
  font-weight: 450;
}
.home-hero-desc {
  max-width: 620px;
  margin-top: 25px;
  color: #5c6d7e;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.9;
}
.home-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(46, 81, 111, .55);
  border-radius: 999px;
  color: #2c465d;
  background: rgba(255,255,255,.38);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.home-secondary-btn:hover {
  color: #fff;
  background: linear-gradient(135deg, rgba(59,130,246,.9), rgba(99,102,241,.9));
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(59,130,246,.22);
}
.home-quick-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 21px;
  color: #405a70;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .08em;
}
.home-quick-link span { color: var(--coral); font-size: 18px; transition: transform .25s ease; }
.home-quick-link:hover span { transform: translateX(4px); }
.home-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(80,112,146,.14);
}
.home-stats > div { min-width: 0; }
.home-stats .stat-num {
  color: #e9633d;
  font-size: clamp(24px, 2.35vw, 34px);
  line-height: 1;
  font-weight: 850;
  letter-spacing: -.025em;
}
.home-stats .stat-num + div {
  margin-top: 8px;
  color: #718092;
  font-size: 10px;
  letter-spacing: .06em;
  white-space: nowrap;
}

.home-hero-visual {
  position: relative;
  min-height: 510px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}
.hero-product-stage {
  position: relative;
  z-index: 2;
  display: block;
  width: min(100%, 620px);
  aspect-ratio: 1.34 / 1;
  overflow: visible;
  border: 0;
  border-radius: 34px;
  background: transparent;
  box-shadow: none;
  transition: transform .45s cubic-bezier(.2,.8,.25,1);
}
.hero-product-stage::before {
  content: "";
  position: absolute;
  inset: -11% -8%;
  z-index: 1;
  pointer-events: none;
  border-radius: 50%;
  background:
    radial-gradient(ellipse at 52% 48%,rgba(255,255,255,.82) 0%,rgba(230,240,248,.46) 43%,rgba(215,230,241,.12) 68%,transparent 76%);
  filter: blur(2px);
}
.hero-product-stage:hover {
  transform: translateY(-4px);
}
.hero-product-slides {
  position: absolute;
  z-index: 2;
  inset: 38px 10px 62px;
}
.hero-product-slide {
  position: absolute;
  inset: 0;
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(28px,0,0) scale(.985);
  will-change: opacity,transform;
  backface-visibility: hidden;
  transition:
    opacity .76s cubic-bezier(.22,.8,.32,1),
    transform .86s cubic-bezier(.22,.8,.32,1),
    visibility 0s linear .86s;
}
.hero-product-slide.is-active {
  z-index: 2;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translate3d(0,0,0) scale(1);
  transition-delay: 0s;
}
.hero-product-slide.is-leaving {
  z-index: 1;
  visibility: visible;
  opacity: 0;
  transform: translate3d(-26px,0,0) scale(.982);
  transition-delay: 0s;
}
.hero-product-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: saturate(.98) contrast(1.01) drop-shadow(0 28px 25px rgba(35,61,82,.17));
  -webkit-mask-image: radial-gradient(ellipse 92% 90% at 50% 50%,#000 68%,rgba(0,0,0,.94) 79%,transparent 100%);
  mask-image: radial-gradient(ellipse 92% 90% at 50% 50%,#000 68%,rgba(0,0,0,.94) 79%,transparent 100%);
  transform: translateZ(0);
  transition: transform .55s cubic-bezier(.2,.8,.25,1),filter .4s ease;
}
.hero-product-stage:hover .hero-product-slide.is-active img {
  transform: translate3d(0,-3px,0) scale(1.022);
  filter: saturate(1) contrast(1.01) drop-shadow(0 32px 29px rgba(35,61,82,.2));
}
.hero-stage-kicker {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #61778c;
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .17em;
}
.hero-stage-kicker b { color: inherit; font: inherit; }
.hero-stage-kicker i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(6,182,212,.6);
}
.hero-stage-meta {
  position: absolute;
  z-index: 3;
  left: 126px;
  right: auto;
  bottom: 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #20384d;
}
.hero-stage-meta b { font-size: 14px; letter-spacing: .06em; }
.hero-stage-meta small { color: #688095; font-size: 9px; letter-spacing: .07em; }
.hero-stage-kicker b,
.hero-stage-meta b { transition: opacity .18s ease,transform .18s ease; }
.hero-product-stage.labels-changing .hero-stage-kicker b,
.hero-product-stage.labels-changing .hero-stage-meta b {
  opacity: 0;
  transform: translateY(4px);
}
.hero-carousel-controls {
  position: absolute;
  z-index: 6;
  right: 145px;
  bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-carousel-arrow {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0 0 2px;
  border: 1px solid rgba(78,113,145,.17);
  border-radius: 50%;
  color: #527087;
  background: rgba(255,255,255,.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-family: Arial,sans-serif;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.hero-carousel-arrow:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
  transform: scale(1.06);
}
.hero-carousel-arrow:focus { outline: none; }
.hero-carousel-arrow:focus-visible { box-shadow: 0 0 0 3px rgba(59,130,246,.22); }
.hero-carousel-dots { display: flex; align-items: center; gap: 5px; }
.hero-carousel-dots button {
  width: 6px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: rgba(76,105,130,.28);
  cursor: pointer;
  transition: width .28s ease,background-color .28s ease,box-shadow .28s ease;
}
.hero-carousel-dots button.is-active {
  width: 20px;
  background: linear-gradient(90deg,var(--blue),var(--cyan));
  box-shadow: 0 0 8px rgba(59,130,246,.27);
}
.hero-carousel-dots button:focus { outline: none; }
.hero-carousel-dots button:focus-visible { box-shadow: 0 0 0 3px rgba(59,130,246,.23); }
.hero-carousel-progress {
  position: absolute;
  z-index: 6;
  top: 22px;
  right: 24px;
  width: 92px;
  height: 2px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(73,106,134,.13);
}
.hero-carousel-progress i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg,var(--blue),var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
}
.hero-product-stage.is-progressing .hero-carousel-progress i {
  animation: hero-carousel-progress var(--carousel-duration,4800ms) linear both;
}
.hero-product-stage.is-paused .hero-carousel-progress i { animation-play-state: paused; }
@keyframes hero-carousel-progress { to { transform: scaleX(1); } }
.hero-product-bubble {
  position: absolute;
  z-index: 4;
  display: block;
  width: 128px;
  height: 128px;
  overflow: hidden;
  border: 7px solid rgba(255,255,255,.9);
  border-radius: 50%;
  background: #eef5fb;
  box-shadow: 0 22px 46px rgba(43,78,112,.17), 0 0 0 1px rgba(82,122,160,.08);
  transition: transform .35s ease, box-shadow .35s ease;
}
.hero-product-bubble:hover { transform: scale(1.055) rotate(2deg); box-shadow: 0 28px 56px rgba(43,78,112,.22); }
.hero-product-bubble img { width: 100%; height: 100%; display: block; object-fit: cover; }
.hero-product-bubble-top { top: 14px; right: -28px; }
.hero-product-bubble-bottom { left: -32px; bottom: 22px; width: 116px; height: 116px; }
.hero-process-chip {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px 10px 10px;
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 999px;
  color: #425e75;
  background: rgba(255,255,255,.78);
  box-shadow: 0 12px 28px rgba(42,80,116,.12);
  -webkit-backdrop-filter: blur(13px);
  backdrop-filter: blur(13px);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
}
.hero-process-chip span {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-size: 8px;
}
.hero-process-chip-top { top: 85px; left: -12px; }
.hero-process-chip-bottom { right: 16px; bottom: 4px; }
.hero-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(74,121,161,.13);
  border-radius: 50%;
  pointer-events: none;
}
.hero-orbit-one { width: 490px; height: 490px; }
.hero-orbit-two { width: 610px; height: 610px; border-style: dashed; opacity: .7; }
.home-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  color: #8997a5;
  font-size: 9px;
  letter-spacing: .18em;
  white-space: nowrap;
}
.home-scroll-cue span { margin-left: 7px; letter-spacing: .28em; }

@media (max-width: 1180px) and (min-width: 1024px) {
  .brand-wordmark { width: 198px; }
  .brand-main { font-size: 23px; }
  .brand-main i { left: 67px; height: 23px; }
  #navbar nav { gap: 22px; }
  .home-hero-grid { grid-template-columns: minmax(0,.92fr) minmax(440px,1.08fr); gap: 30px; }
  .home-hero-title { font-size: 48px; }
  .hero-product-bubble-top { right: -4px; }
}

@media (max-width: 1023px) {
  .nav-inner { height: 68px; }
  .brand-wordmark { width: 196px; }
  .brand-main { font-size: 22px; }
  .brand-main i { left: 65px; height: 22px; }
  .brand-tag { font-size: 6.8px; }
  .home-hero { min-height: auto; padding-top: 104px; padding-bottom: 92px; }
  .home-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .home-hero-copy { padding: 18px 0 0; }
  .home-hero-title { max-width: 760px; font-size: clamp(40px, 7vw, 62px); }
  .home-hero-desc { max-width: 720px; }
  .home-hero-visual { min-height: 470px; width: min(720px, 100%); margin: 0 auto; }
  .hero-product-bubble-top { right: -6px; }
  .hero-product-bubble-bottom { left: -8px; }
}

@media (max-width: 640px) {
  .nav-inner { height: 64px; }
  .brand-wordmark { width: 174px; }
  .brand-main { font-size: 20px; letter-spacing: .09em; }
  .brand-main i { left: 58px; height: 20px; }
  .brand-tag { font-size: 6px; letter-spacing: .14em; }
  .home-hero { padding-top: 82px; padding-bottom: 58px; }
  .home-hero::before { inset: 64px 0 0; }
  .home-hero-copy { padding-top: 10px; }
  .home-hero-title { font-size: clamp(29px, 7.85vw, 35px); line-height: 1.12; }
  .home-hero-title-line + .home-hero-title-line { margin-top: .16em; }
  .home-hero-desc { margin-top: 18px; font-size: 13.5px; line-height: 1.72; text-wrap: pretty; }
  .home-secondary-btn, .home-hero .btn-orange { min-height: 48px; flex: 1 1 138px; padding-left: 16px; padding-right: 16px; }
  .home-quick-link { margin-top: 18px; font-size: 11px; }
  .home-stats { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 12px; margin-top: 24px; padding-top: 18px; }
  .home-stats .stat-num { font-size: 27px; }
  .home-hero-visual { min-height: 315px; margin-top: 2px; }
  .hero-product-stage { width: 100%; border-radius: 22px; }
  .hero-product-slides { inset: 28px 0 68px; }
  .hero-product-slide img { width: 100%; height: 100%; }
  .hero-stage-meta { left: 14px; right: 96px; bottom: 42px; }
  .hero-stage-meta b { font-size: 12px; }
  .hero-stage-meta small { display: none; }
  .hero-stage-kicker { top: 13px; left: 17px; font-size: 7px; }
  .hero-carousel-progress { top: 16px; right: 17px; width: 70px; }
  .hero-carousel-controls { right: 8px; bottom: 5px; gap: 6px; }
  .hero-carousel-arrow { width: 34px; height: 34px; }
  .hero-carousel-dots { gap: 6px; }
  .hero-carousel-dots button { width: 8px; height: 8px; }
  .hero-carousel-dots button.is-active { width: 22px; }
  .hero-product-bubble { width: 64px; height: 64px; border-width: 4px; }
  .hero-product-bubble-top { top: 5px; right: -1px; }
  .hero-product-bubble-bottom { display: none; }
  .hero-process-chip { display: none; }
  .hero-orbit-one { width: 300px; height: 300px; }
  .hero-orbit-two { width: 370px; height: 370px; }
  .home-scroll-cue { display: none; }
}

@media (max-width: 420px) {
  .brand-wordmark { width: 150px; }
  .brand-main { font-size: 18px; }
  .brand-main i { left: 52px; height: 18px; }
  .brand-tag { font-size: 5.2px; letter-spacing: .1em; }
  .home-hero-title { font-size: clamp(28px, 7.6vw, 32px); }
  .home-hero-desc { font-size: 13px; }
  .home-hero-visual { min-height: 292px; }
  .hero-product-slides { bottom: 64px; }
}

@media (hover: none) and (pointer: coarse) {
  .hover-lift:hover,
  .home-secondary-btn:hover,
  .hero-product-stage:hover,
  .hero-product-stage:hover .hero-product-slide.is-active img,
  .real-product-card:hover .real-product-media img { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-product-stage,
  .hero-product-slide,
  .hero-product-slide img,
  .hero-product-bubble { transition: none !important; transform: none !important; }
  .hero-carousel-progress i { animation: none !important; transform: scaleX(1); }
}

/* ---------- 大屏导航下拉面板 / 移动端分组菜单 ---------- */
.desktop-nav-enhanced {
  align-self: stretch;
  gap: 20px !important;
}
.desktop-nav-enhanced > .nav-link,
.nav-item {
  display: flex;
  align-items: center;
}
.nav-item {
  position: static;
  height: 100%;
  gap: 5px;
}
.nav-menu-link { flex: 0 0 auto; }
.nav-menu-trigger {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 30px;
  margin-left: -3px;
  padding: 0;
  align-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.nav-menu-trigger:focus,
.mobile-nav-toggle:focus,
#nav-burger:focus { outline: none; }
.nav-menu-trigger:focus-visible {
  outline: 2px solid rgba(59,130,246,.42);
  outline-offset: 2px;
}
#nav-burger:focus-visible {
  border-radius: 9px;
  box-shadow: 0 0 0 2px rgba(59,130,246,.3);
}
.nav-chevron {
  width: 10px;
  height: 7px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .7;
  transition: transform .22s ease, opacity .22s ease;
}
.nav-item.is-open .nav-chevron { transform: rotate(180deg); opacity: 1; }
.nav-item.is-open > .nav-menu-link,
.nav-item.is-open > .nav-menu-trigger { color: var(--blue); }
#navbar.mega-open {
  background: rgba(250,252,255,.97);
  border-bottom-color: rgba(59,130,246,.13);
  box-shadow: 0 12px 30px rgba(29,65,105,.08);
}
.mega-panel {
  position: fixed;
  z-index: 48;
  top: 76px;
  left: 50%;
  width: min(1120px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid rgba(75,111,148,.13);
  border-top-color: rgba(59,130,246,.1);
  border-radius: 0 0 24px 24px;
  background:
    radial-gradient(circle at 88% 0%, rgba(92,193,238,.11), transparent 31%),
    rgba(250,252,255,.975);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  backdrop-filter: blur(22px) saturate(1.2);
  box-shadow: 0 28px 70px rgba(20,48,78,.18), 0 5px 16px rgba(44,82,120,.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%,-9px);
  transform-origin: top center;
  transition: opacity .2s ease, transform .28s cubic-bezier(.22,.8,.32,1), visibility 0s linear .28s;
}
.nav-item.is-open .mega-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%,0);
  transition-delay: 0s;
}
.mega-panel-inner { padding: 25px 28px 28px; }
.mega-panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 0 4px 20px;
  border-bottom: 1px solid rgba(74,107,141,.12);
}
.mega-eyebrow {
  display: block;
  margin-bottom: 6px;
  color: #66829b;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .19em;
}
.mega-panel-head h2 {
  margin: 0;
  color: #172b3e;
  font-size: 22px;
  font-weight: 720;
  letter-spacing: .02em;
}
.mega-panel-head p {
  margin: 5px 0 0;
  color: #728294;
  font-size: 12px;
}
.mega-panel-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid rgba(59,130,246,.18);
  border-radius: 999px;
  color: #325d85;
  background: rgba(255,255,255,.64);
  font-size: 12px;
  font-weight: 650;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.mega-panel-all:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
  transform: translateY(-1px);
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 7px;
  padding-top: 14px;
}
.mega-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  min-height: 80px;
  padding: 13px 34px 13px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: #20374c;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.mega-card:hover,
.mega-card:focus-visible {
  border-color: rgba(59,130,246,.15);
  background: rgba(255,255,255,.9);
  box-shadow: 0 12px 25px rgba(36,75,113,.08);
  transform: translateY(-2px);
  outline: none;
}
.mega-icon {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 35px;
  height: 35px;
  border: 1px solid rgba(59,130,246,.14);
  border-radius: 10px;
  color: #3977aa;
  background: linear-gradient(145deg,rgba(255,255,255,.9),rgba(226,241,250,.82));
  box-shadow: inset 0 1px 0 #fff;
}
.mega-icon svg { width: 20px; height: 20px; }
.mega-copy { min-width: 0; }
.mega-copy b {
  display: block;
  margin: 1px 0 5px;
  color: #20374c;
  font-size: 13px;
  font-weight: 680;
}
.mega-copy small {
  display: block;
  color: #78889a;
  font-size: 10px;
  line-height: 1.55;
}
.mega-arrow {
  position: absolute;
  top: 20px;
  right: 13px;
  color: var(--blue);
  font-size: 14px;
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity .2s ease, transform .2s ease;
}
.mega-card:hover .mega-arrow,
.mega-card:focus-visible .mega-arrow { opacity: 1; transform: translateX(0); }

.mobile-nav-shell {
  display: flex;
  flex-direction: column;
  padding: 8px 18px 20px;
  color: #31465a;
}
.mobile-nav-direct,
.mobile-nav-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  padding: 0 7px;
  border: 0;
  border-bottom: 1px solid rgba(66,96,126,.1);
  color: inherit;
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 620;
  text-align: left;
}
.mobile-nav-toggle { cursor: pointer; }
.mobile-nav-toggle:focus-visible {
  border-radius: 7px;
  box-shadow: inset 0 0 0 2px rgba(59,130,246,.25);
}
.mobile-nav-toggle svg {
  width: 11px;
  height: 7px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .22s ease;
}
.mobile-nav-group.is-open .mobile-nav-toggle { color: var(--blue); }
.mobile-nav-group.is-open .mobile-nav-toggle svg { transform: rotate(180deg); }
.mobile-nav-sub {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 0 8px;
  max-height: 0;
  padding: 0 4px;
  overflow: hidden;
  opacity: 0;
  transition: max-height .38s cubic-bezier(.22,.8,.32,1), opacity .2s ease, padding .3s ease;
}
.mobile-nav-group.is-open .mobile-nav-sub {
  max-height: 520px;
  padding-top: 8px;
  padding-bottom: 10px;
  opacity: 1;
}
.mobile-nav-sub a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-width: 0;
  padding: 9px 8px;
  border-radius: 9px;
  color: #5e7183;
  font-size: 12px;
  line-height: 1.35;
}
.mobile-nav-sub a:hover,
.mobile-nav-sub a:focus-visible { color: var(--blue); background: rgba(59,130,246,.07); outline: none; }
.mobile-nav-sub a span { color: #7895ae; }
.mobile-nav-sub .mobile-nav-all { grid-column: 1 / -1; color: #356e9e; font-weight: 650; }
.mobile-nav-quote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 45px;
  margin-top: 13px;
  padding: 0 17px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(105deg,var(--blue),#3d9bc1);
  box-shadow: 0 10px 24px rgba(59,130,246,.2);
  font-size: 13px;
  font-weight: 700;
}
.mobile-nav-admin {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  min-height: 44px;
  margin-top: 12px;
  padding: 0 16px;
  border: 1px solid rgba(66,111,145,.16);
  border-radius: 14px;
  color: #355a77;
  background: rgba(255,255,255,.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
  font-size: 13px;
  font-weight: 700;
}
.mobile-nav-admin svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mobile-nav-admin b { margin-left: auto; color: #e66118; font-size: 15px; font-weight: 500; }
.mobile-nav-admin:hover,
.mobile-nav-admin:focus-visible { color: #e66118; border-color: rgba(238,111,39,.3); background: #fff; outline: none; }
#mobile-menu {
  max-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}
#mobile-menu.open { max-height: calc(100vh - 64px); }

@media (max-width: 1180px) and (min-width: 1024px) {
  .desktop-nav-enhanced { gap: 11px !important; }
  #navbar .desktop-nav-enhanced .nav-link { font-size: 12px; }
  .nav-item { gap: 3px; }
  .mega-panel { width: calc(100vw - 24px); }
  .mega-panel-inner { padding-left: 22px; padding-right: 22px; }
  .mega-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 1023px) {
  .mega-panel { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .mega-panel,
  .mega-card,
  .mega-panel-all,
  .nav-chevron,
  .mobile-nav-sub,
  .mobile-nav-toggle svg { transition: none !important; }
}

/* ---------- 手机端性能模式：减少合成层、滤镜与持续 GPU 占用 ---------- */
@media (max-width: 767px) {
  body.mobile-static-bg {
    background:
      radial-gradient(circle at 82% 9%, rgba(99,179,225,.15), transparent 32%),
      radial-gradient(circle at 8% 32%, rgba(255,169,111,.1), transparent 28%),
      linear-gradient(180deg, #f5f9fd 0%, #eaf2fa 58%, #f7fafd 100%);
  }
  #bg3d,
  #bg2d { display: none !important; }
  .bg-scrim {
    position: absolute;
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(247,250,253,.2), rgba(234,242,250,.18));
  }
  #navbar,
  #navbar.nav-scrolled,
  #mobile-menu,
  .language-trigger,
  .language-menu,
  .admin-portal-link,
  .metal-panel,
  .hero-carousel-arrow,
  .product-render-badge,
  .product-render-interactive {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
  #navbar.nav-scrolled { background: rgba(250,252,255,.97); }
  .language-trigger,
  .language-menu { background: rgba(251,253,255,.98); }
  .metal-panel { background: rgba(255,255,255,.91); }
  .page-progress { display: none !important; }
  .reveal,
  .sheet-unfold {
    filter: none !important;
    will-change: auto;
    transform: translateY(10px);
    transition: opacity .34s ease, transform .34s ease;
  }
  .reveal.visible,
  .sheet-unfold.visible { transform: none; }
  .reveal-d1,
  .reveal-d2,
  .reveal-d3 { transition-delay: .02s; }
  .media-loaded { transition-duration: .22s; }
  .hero-product-stage::before { filter: none; opacity: .72; }
  .hero-product-slide {
    will-change: auto;
    transform: translate3d(14px,0,0) scale(.992);
    transition: opacity .4s ease, transform .4s cubic-bezier(.22,.8,.32,1), visibility 0s linear .4s;
  }
  .hero-product-slide.is-leaving { transform: translate3d(-12px,0,0) scale(.992); }
  .hero-product-slide img {
    filter: none;
    -webkit-mask-image: none;
    mask-image: none;
    will-change: auto;
    transition: transform .32s ease;
  }
  .real-product-card {
    content-visibility: auto;
    contain-intrinsic-size: auto 380px;
  }
  #intro-overlay,
  #intro-overlay canvas { transition-duration: .68s; }
  #intro-overlay.handoff #intro-copy,
  #intro-overlay.handoff #intro-status,
  #intro-overlay.handoff #intro-skip { transition-duration: .42s; }
}

/* ---------- 首页：交互式制造能力展示 ---------- */
.capability-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 42%, rgba(73,159,205,.08), transparent 31%),
    linear-gradient(180deg,rgba(255,255,255,.55),rgba(239,246,251,.72));
}
.capability-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(83,120,151,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(83,120,151,.07) 1px,transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom,transparent,#000 24%,#000 80%,transparent);
  mask-image: linear-gradient(to bottom,transparent,#000 24%,#000 80%,transparent);
}
.capability-section > div { position: relative; z-index: 1; }
.capability-heading {
  max-width: 780px;
  margin: 0 auto 35px;
  text-align: center;
}
.capability-heading > span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
  color: #67839a;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .24em;
}
.capability-heading > span::before,
.capability-heading > span::after {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg,transparent,var(--cyan));
}
.capability-heading > span::after { transform: scaleX(-1); }
.capability-heading h2 {
  margin: 0;
  color: #172b3e;
  font-size: clamp(30px,3vw,43px);
  font-weight: 820;
  letter-spacing: .025em;
}
.capability-heading p {
  margin: 11px 0 0;
  color: #6f8192;
  font-size: 14px;
}
.capability-tabs {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  max-width: 1050px;
  margin: 0 auto 28px;
  border-bottom: 1px solid rgba(75,107,137,.16);
}
.capability-tab {
  position: relative;
  min-height: 54px;
  padding: 4px 12px 15px;
  border: 0;
  color: #67798a;
  background: transparent;
  font-size: 14px;
  font-weight: 620;
  letter-spacing: .02em;
  cursor: pointer;
  transition: color .22s ease, transform .22s ease;
}
.capability-tab::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg,var(--blue),var(--cyan));
  transform: translateX(-50%);
  transition: width .28s cubic-bezier(.22,.8,.32,1);
}
.capability-tab:hover { color: #274b69; }
.capability-tab.is-active { color: #205f8f; font-weight: 760; }
.capability-tab.is-active::after { width: 64px; }
.capability-tab:focus { outline: none; }
.capability-tab:focus-visible {
  border-radius: 9px;
  box-shadow: inset 0 0 0 2px rgba(59,130,246,.28);
}
.capability-stage {
  position: relative;
  min-height: 514px;
  overflow: hidden;
  border: 1px solid rgba(69,105,137,.12);
  border-radius: 28px;
  background: rgba(250,252,255,.83);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 28px 70px rgba(39,77,113,.11), inset 0 1px 0 rgba(255,255,255,.9);
}
.capability-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg,rgba(255,255,255,.72),transparent 40%),
    radial-gradient(circle at 85% 18%,rgba(84,190,229,.11),transparent 30%);
}
.capability-pane {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0,.9fr) minmax(440px,1.1fr);
  align-items: center;
  gap: 42px;
  min-height: 514px;
  padding: 42px 46px 42px 54px;
}
.capability-pane[hidden] { display: none; }
.capability-pane.is-active { animation: capability-enter .46s cubic-bezier(.22,.8,.32,1) both; }
@keyframes capability-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.capability-copy { max-width: 490px; }
.capability-index {
  display: block;
  margin-bottom: 14px;
  color: #4c8cb6;
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .2em;
}
.capability-copy h3 {
  margin: 0;
  color: #172b3e;
  font-size: clamp(27px,2.4vw,37px);
  font-weight: 800;
  letter-spacing: .02em;
}
.capability-copy > p {
  margin: 18px 0 22px;
  color: #637688;
  font-size: 14px;
  line-height: 1.9;
}
.capability-copy ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.capability-copy li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #445d73;
  font-size: 13px;
  line-height: 1.55;
}
.capability-copy li > span {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin-top: 1px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg,#3b82f6,#45b9d8);
  box-shadow: 0 4px 10px rgba(59,130,246,.18);
  font-size: 10px;
}
.capability-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 27px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(48,112,159,.26);
  color: #2f6f9f;
  font-size: 12px;
  font-weight: 690;
  transition: color .2s ease, border-color .2s ease;
}
.capability-link span { transition: transform .2s ease; }
.capability-link:hover { color: var(--blue); border-color: var(--blue); }
.capability-link:hover span { transform: translateX(4px); }
.capability-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid rgba(72,108,140,.11);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 48%,rgba(255,255,255,.96),rgba(226,237,245,.78) 68%,rgba(215,229,239,.9)),
    #edf4f8;
  box-shadow: inset 0 1px 0 #fff, 0 18px 42px rgba(48,81,111,.08);
}
.capability-visual::before,
.capability-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(60,117,154,.1);
  border-radius: 50%;
}
.capability-visual::before { width: 370px; height: 370px; }
.capability-visual::after { width: 286px; height: 286px; border-style: dashed; }
.capability-visual img {
  position: relative;
  z-index: 2;
  width: 88%;
  height: 350px;
  object-fit: contain;
  filter: drop-shadow(0 24px 22px rgba(28,48,65,.18));
  transition: transform .45s cubic-bezier(.22,.8,.32,1), filter .3s ease;
}
.capability-equipment-picture {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
}
.capability-visual.capability-equipment-carousel {
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.capability-visual.capability-equipment-carousel::before,
.capability-visual.capability-equipment-carousel::after { display: none; }
.capability-equipment-slides {
  position: absolute;
  inset: 30px 0 32px;
  z-index: 2;
}
.capability-equipment-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(3%,0,0) scale(.985);
  transition: opacity .58s cubic-bezier(.22,.8,.32,1), transform .7s cubic-bezier(.22,.8,.32,1), visibility 0s linear .7s;
  will-change: opacity, transform;
}
.capability-equipment-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0,0,0) scale(1);
  transition-delay: 0s;
}
.capability-visual .capability-equipment-image {
  width: 96%;
  height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 27px 23px rgba(28,48,65,.22));
}
.capability-equipment-carousel:hover .capability-equipment-image {
  transform: none;
  filter: drop-shadow(0 27px 23px rgba(28,48,65,.22));
}
.capability-equipment-controls {
  position: absolute;
  z-index: 5;
  left: 18px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 7px;
  border: 1px solid rgba(75,108,134,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 10px 24px rgba(41,74,104,.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.capability-equipment-controls button {
  display: grid;
  width: 29px;
  height: 29px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #315b7a;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}
.capability-equipment-controls button:hover { color: #fff; background: #3b82f6; }
.capability-equipment-controls button:active { transform: scale(.92); }
.capability-equipment-controls button:focus-visible { outline: 2px solid #3b82f6; outline-offset: 2px; }
.capability-equipment-dots { display: flex; align-items: center; gap: 5px; }
.capability-equipment-dots i {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #b8c8d5;
  transition: width .3s ease, background-color .3s ease;
}
.capability-equipment-dots i.is-active { width: 19px; background: #3b82f6; }
.capability-visual:hover img {
  transform: translateY(-5px) scale(1.025);
  filter: drop-shadow(0 30px 26px rgba(28,48,65,.21));
}
.capability-visual-label {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 20px;
  color: #688297;
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .17em;
}
.capability-spec {
  position: absolute;
  z-index: 4;
  right: 18px;
  bottom: 17px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 77px;
  min-height: 77px;
  padding: 9px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(145deg,rgba(48,104,149,.95),rgba(65,171,205,.94));
  box-shadow: 0 13px 27px rgba(35,95,140,.22), inset 0 1px 0 rgba(255,255,255,.3);
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 16px;
  font-weight: 780;
  line-height: 1;
}
.capability-spec b { font: inherit; }
.capability-spec small {
  margin-top: 6px;
  font-family: inherit;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .07em;
}

@media (max-width: 1023px) {
  .capability-pane {
    grid-template-columns: minmax(0,.94fr) minmax(370px,1.06fr);
    gap: 25px;
    padding: 36px 30px;
  }
  .capability-copy > p { font-size: 13px; }
  .capability-visual { min-height: 365px; }
  .capability-visual img { height: 305px; }
  .capability-visual .capability-equipment-image { height: 322px; }
}

@media (max-width: 767px) {
  .capability-heading { margin-bottom: 24px; }
  .capability-heading p { font-size: 12px; line-height: 1.7; }
  .capability-tabs {
    display: flex;
    justify-content: flex-start;
    gap: 6px;
    margin: 0 -16px 18px;
    padding: 0 16px 2px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .capability-tabs::-webkit-scrollbar { display: none; }
  .capability-tab {
    flex: 0 0 auto;
    min-height: 45px;
    padding: 4px 12px 12px;
    scroll-snap-align: start;
    font-size: 12px;
    white-space: nowrap;
  }
  .capability-tab.is-active::after { width: 46px; }
  .capability-stage { min-height: 0; border-radius: 22px; }
  .capability-pane {
    grid-template-columns: 1fr;
    gap: 28px;
    min-height: 0;
    padding: 28px 20px 20px;
  }
  .capability-copy { max-width: none; }
  .capability-copy > p { margin: 14px 0 18px; line-height: 1.75; }
  .capability-copy li { font-size: 12px; }
  .capability-link { margin-top: 22px; }
  .capability-visual { min-height: 310px; border-radius: 18px; }
  .capability-visual img { width: 96%; height: 268px; }
  .capability-visual .capability-equipment-image { width: 100%; height: 270px; }
  .capability-equipment-slides { inset: 22px 0 33px; }
  .capability-equipment-controls { left: 10px; bottom: 10px; }
  .capability-visual::before { width: 280px; height: 280px; }
  .capability-visual::after { width: 215px; height: 215px; }
  .capability-spec { right: 12px; bottom: 12px; min-width: 66px; min-height: 66px; font-size: 14px; }
  .capability-visual-label { top: 13px; left: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .capability-equipment-slide,
  .capability-equipment-dots i { transition: none !important; }
}

/* ---------- 设备实力：高清3D实机展示 ---------- */
.equipment-showcase-section {
  padding: 0 0 72px;
}
.equipment-fullscreen {
  position: relative;
  width: 100%;
  min-height: calc(100svh - 74px);
  display: grid;
  overflow: hidden;
  place-items: center;
  background:
    radial-gradient(circle at 52% 46%,rgba(255,255,255,.99) 0 23%,rgba(234,243,249,.9) 58%,rgba(215,230,240,.93) 100%),
    #edf5fa;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), inset 0 -1px 0 rgba(85,125,154,.12);
}
.equipment-fullscreen::before,
.equipment-fullscreen::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(70vw,980px);
  aspect-ratio: 1;
  border: 1px solid rgba(65,128,166,.11);
  border-radius: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.equipment-fullscreen::after {
  width: min(54vw,750px);
  border-style: dashed;
  opacity: .72;
}
.equipment-fullscreen picture {
  position: relative;
  z-index: 2;
  width: 100%;
  height: calc(100svh - 74px);
  display: grid;
  place-items: center;
}
.equipment-fullscreen img {
  width: min(96vw,1780px);
  height: calc(100svh - 86px);
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 34px 30px rgba(21,39,53,.25));
  transform: scale(1.04);
}
.equipment-fullscreen-index {
  position: absolute;
  z-index: 3;
  right: clamp(20px,4vw,70px);
  bottom: clamp(18px,4vw,54px);
  color: rgba(53,101,133,.15);
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: clamp(60px,10vw,150px);
  font-weight: 900;
  letter-spacing: -.06em;
  line-height: .8;
}
.equipment-fullscreen-copy {
  padding-top: 30px;
  padding-bottom: 34px;
  display: grid;
  grid-template-columns: minmax(0,.8fr) minmax(320px,1.2fr);
  gap: 44px;
  align-items: end;
  border-bottom: 1px solid rgba(70,109,138,.13);
}
.equipment-fullscreen-copy span {
  color: #3f80a9;
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 10px;
  font-weight: 780;
  letter-spacing: .22em;
}
.equipment-fullscreen-copy h2 {
  margin-top: 8px;
  color: #1c3142;
  font-size: clamp(27px,3.1vw,42px);
  font-weight: 860;
  letter-spacing: .01em;
}
.equipment-fullscreen-copy p {
  color: #647c8e;
  font-size: 14px;
  line-height: 1.8;
  text-align: right;
}
.equipment-secondary-heading {
  margin-top: 62px;
}
.equipment-secondary-grid {
  grid-template-columns: repeat(2,minmax(0,1fr));
}
.equipment-showcase-heading {
  margin-bottom: 30px;
  text-align: center;
}
.equipment-showcase-heading > span,
.equipment-capability-heading > span {
  color: #4384ac;
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .22em;
}
.equipment-showcase-heading h2,
.equipment-capability-heading h2 {
  margin-top: 8px;
  color: #1c3142;
  font-size: clamp(25px,3vw,36px);
  font-weight: 850;
  letter-spacing: .02em;
}
.equipment-showcase-heading p {
  margin-top: 9px;
  color: #718494;
  font-size: 13px;
}
.equipment-3d-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 20px;
}
.equipment-3d-card {
  overflow: hidden;
  border: 1px solid rgba(79,116,147,.14);
  border-radius: 22px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 18px 42px rgba(44,77,106,.09), inset 0 1px 0 #fff;
  transform-style: preserve-3d;
}
.equipment-3d-media {
  position: relative;
  display: grid;
  min-height: 305px;
  overflow: hidden;
  place-items: center;
  background:
    radial-gradient(circle at 50% 42%,rgba(255,255,255,.99),rgba(230,239,246,.82) 65%,rgba(215,229,239,.9)),
    #ecf4f8;
}
.equipment-3d-media::before,
.equipment-3d-media::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(64,123,159,.1);
  border-radius: 50%;
}
.equipment-3d-media::before { width: 285px; height: 285px; }
.equipment-3d-media::after { width: 210px; height: 210px; border-style: dashed; }
.equipment-3d-media picture {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  height: 305px;
  place-items: center;
}
.equipment-3d-media img {
  width: 96%;
  height: 286px;
  object-fit: contain;
  filter: drop-shadow(0 24px 20px rgba(23,43,60,.23));
  transition: transform .45s cubic-bezier(.22,.8,.32,1), filter .35s ease;
}
.equipment-3d-card:hover .equipment-3d-media img {
  transform: translateY(-6px) scale(1.035) rotateY(-1.5deg);
  filter: drop-shadow(0 31px 25px rgba(23,43,60,.26));
}
.equipment-3d-tag {
  position: absolute;
  z-index: 3;
  top: 16px;
  left: 17px;
  color: #55778f;
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .16em;
}
.equipment-3d-copy {
  padding: 20px 22px 23px;
  border-top: 1px solid rgba(77,112,139,.08);
}
.equipment-3d-copy h3 {
  color: #1d3445;
  font-size: 17px;
  font-weight: 800;
}
.equipment-3d-copy p {
  margin-top: 6px;
  color: #668095;
  font-size: 12px;
  letter-spacing: .03em;
}
.equipment-capability-heading {
  margin: 62px 0 25px;
}
.equipment-capability-heading h2 { font-size: clamp(22px,2.4vw,30px); }

@media (max-width: 900px) {
  .equipment-fullscreen-copy { grid-template-columns: 1fr; gap: 14px; }
  .equipment-fullscreen-copy p { text-align: left; }
  .equipment-3d-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .equipment-3d-card:last-child { grid-column: 1 / -1; }
  .equipment-3d-card:last-child .equipment-3d-media img { width: 72%; }
}

@media (max-width: 640px) {
  .equipment-showcase-section { padding-bottom: 52px; }
  .equipment-fullscreen { min-height: 68svh; }
  .equipment-fullscreen picture { height: 68svh; }
  .equipment-fullscreen img {
    width: 116vw;
    max-width: none;
    height: 64svh;
    transform: none;
  }
  .equipment-fullscreen::before { width: 92vw; }
  .equipment-fullscreen::after { width: 72vw; }
  .equipment-fullscreen-index { right: 18px; bottom: 18px; font-size: 64px; }
  .equipment-fullscreen-copy { padding-top: 22px; padding-bottom: 25px; }
  .equipment-fullscreen-copy h2 { font-size: 26px; }
  .equipment-fullscreen-copy p { font-size: 12px; line-height: 1.7; }
  .equipment-secondary-heading { margin-top: 45px; }
  .equipment-showcase-heading { margin-bottom: 21px; text-align: left; }
  .equipment-showcase-heading p { max-width: 26em; line-height: 1.65; }
  .equipment-3d-grid { grid-template-columns: 1fr; gap: 16px; }
  .equipment-3d-card:last-child { grid-column: auto; }
  .equipment-3d-media { min-height: 245px; }
  .equipment-3d-media picture { height: 245px; }
  .equipment-3d-media img,
  .equipment-3d-card:last-child .equipment-3d-media img { width: 98%; height: 226px; }
  .equipment-3d-media::before { width: 225px; height: 225px; }
  .equipment-3d-media::after { width: 165px; height: 165px; }
  .equipment-3d-copy { padding: 17px 18px 20px; }
  .equipment-capability-heading { margin: 46px 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .capability-pane.is-active { animation: none; }
  .capability-tab,
  .capability-tab::after,
  .capability-visual img,
  .capability-link,
  .capability-link span { transition: none !important; }
}

/* ---------- 首页：为什么选择华晟 ---------- */
.why-section {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%,rgba(58,180,221,.23),transparent 33%),
    radial-gradient(circle at 7% 86%,rgba(34,119,166,.25),transparent 31%),
    linear-gradient(118deg,#10283a 0%,#123c55 47%,#0d5a70 100%);
}
.why-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .3;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at 62% 50%,#000,transparent 72%);
  mask-image: radial-gradient(circle at 62% 50%,#000,transparent 72%);
}
.why-section::after {
  content: "";
  position: absolute;
  right: -180px;
  top: 50%;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 0 86px rgba(255,255,255,.018),0 0 0 172px rgba(255,255,255,.012);
  pointer-events: none;
}
.why-section > div { position: relative; z-index: 1; }
.why-heading {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.why-heading > span {
  display: block;
  margin-bottom: 9px;
  color: #90d7ee;
  font-size: 9px;
  font-weight: 760;
  letter-spacing: .23em;
}
.why-heading h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(30px,3.1vw,44px);
  font-weight: 820;
  letter-spacing: .025em;
}
.why-heading p {
  margin: 12px 0 0;
  color: rgba(222,239,248,.72);
  font-size: 14px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 22px 28px;
  margin-top: 52px;
}
.why-item {
  position: relative;
  display: grid;
  grid-template-columns: 47px minmax(0,1fr);
  align-items: start;
  gap: 17px;
  min-height: 190px;
  padding: 24px 22px;
  border: 1px solid rgba(207,235,246,.08);
  border-radius: 18px;
  background: rgba(255,255,255,.018);
  transition: transform .24s ease, background-color .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.why-item:hover {
  border-color: rgba(136,216,240,.22);
  background: rgba(255,255,255,.07);
  box-shadow: 0 18px 38px rgba(4,25,38,.16), inset 0 1px 0 rgba(255,255,255,.06);
  transform: translateY(-4px);
}
.why-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(145deg,rgba(61,155,211,.94),rgba(71,203,211,.9));
  box-shadow: 0 10px 24px rgba(5,33,52,.25),inset 0 1px 0 rgba(255,255,255,.35);
}
.why-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.why-number {
  display: block;
  margin-bottom: 7px;
  color: rgba(139,211,235,.66);
  font-family: "Arial Narrow","Aptos",sans-serif;
  font-size: 9px;
  font-weight: 720;
  letter-spacing: .17em;
}
.why-item h3 {
  margin: 0;
  color: #fff;
  font-size: 17px;
  font-weight: 730;
  line-height: 1.45;
  letter-spacing: .012em;
}
.why-item p {
  margin: 10px 0 0;
  color: rgba(220,237,246,.72);
  font-size: 12px;
  line-height: 1.8;
}
.why-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 30px;
  padding: 20px 24px;
  border: 1px solid rgba(207,235,246,.12);
  border-radius: 16px;
  background: rgba(255,255,255,.055);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.why-footer p {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin: 0;
}
.why-footer strong { color: #fff; font-size: 13px; letter-spacing: .045em; }
.why-footer p > span { color: rgba(220,237,246,.64); font-size: 11px; }
.why-footer > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 999px;
  color: #173a50;
  background: linear-gradient(110deg,#fff,#dff4fa);
  box-shadow: 0 10px 24px rgba(3,28,44,.18);
  font-size: 12px;
  font-weight: 720;
  transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.why-footer > a span { transition: transform .2s ease; }
.why-footer > a:hover {
  color: #fff;
  background: linear-gradient(110deg,var(--blue),var(--cyan));
  box-shadow: 0 13px 28px rgba(4,26,42,.25);
  transform: translateY(-2px);
}
.why-footer > a:hover span { transform: translateX(4px); }

@media (max-width: 1023px) {
  .why-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 640px) {
  .why-heading p { font-size: 12px; line-height: 1.7; }
  .why-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 34px; }
  .why-item { min-height: 0; padding: 20px 17px; border-radius: 15px; }
  .why-item h3 { font-size: 16px; }
  .why-footer { align-items: stretch; flex-direction: column; margin-top: 20px; padding: 18px; }
  .why-footer > a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .why-item,
  .why-footer > a,
  .why-footer > a span { transition: none !important; }
}

/* 联系页真实地图：地图可交互，地址卡片与全站视觉统一 */
.contact-map-card { overflow: hidden; }

.contact-map-wrap {
  position: relative;
  min-height: 420px;
  height: 100%;
  overflow: hidden;
  border-radius: 10px;
  background: linear-gradient(145deg, #eaf1f7, #dce7f0);
}

.contact-map-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  border: 0;
  filter: saturate(.82) contrast(.98);
}

.contact-map-info {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  width: min(370px, calc(100% - 36px));
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 12px;
  background: rgba(248,251,254,.92);
  box-shadow: 0 12px 32px rgba(30,58,88,.18);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.contact-map-info > span {
  display: block;
  margin-bottom: 7px;
  color: #5b8fc9;
  font-size: 10px;
  letter-spacing: .18em;
}

.contact-map-info strong {
  display: block;
  color: #1e293b;
  font-size: 15px;
}

.contact-map-info p {
  margin: 6px 0 12px;
  color: #64748b;
  font-size: 13px;
  line-height: 1.6;
}

.contact-map-info a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #ea6410;
  font-size: 13px;
  font-weight: 700;
  transition: color .2s ease, transform .2s ease;
}

.contact-map-info a:hover {
  color: #c94d05;
  transform: translateX(2px);
}

@media (max-width: 640px) {
  .contact-map-wrap,
  .contact-map-wrap iframe { min-height: 460px; }

  .contact-map-info {
    left: 12px;
    bottom: 12px;
    width: calc(100% - 24px);
    padding: 14px 15px;
  }
}

/* 关于页：企业简介与资质证照 */
.about-profile-copy { position: relative; z-index: 1; }

.about-profile-text {
  display: grid;
  gap: 15px;
  color: #5c6f84;
  font-size: 14px;
  line-height: 1.95;
}

.about-profile-text p { margin: 0; }

.about-profile-facts {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 12%, rgba(54,179,235,.20), transparent 29%),
    linear-gradient(145deg, rgba(255,255,255,.94), rgba(224,238,249,.78));
  box-shadow: 0 22px 60px rgba(54,82,112,.14);
  isolation: isolate;
}

.about-profile-facts::before,
.about-profile-facts::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.about-profile-facts::before {
  width: 260px;
  height: 260px;
  right: -120px;
  top: -135px;
  border: 1px solid rgba(41,137,217,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(41,137,217,.04), 0 0 0 76px rgba(41,137,217,.025);
}

.about-profile-facts::after {
  width: 180px;
  height: 1px;
  right: 22px;
  bottom: 42px;
  background: linear-gradient(90deg, transparent, rgba(255,122,24,.55));
  transform: rotate(-22deg);
  transform-origin: right;
}

.about-profile-since {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "label year" "copy copy";
  align-items: end;
  gap: 0 14px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(64,95,126,.12);
}

.about-profile-since > span {
  grid-area: label;
  padding-bottom: 7px;
  color: #4d779f;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .28em;
}

.about-profile-since > strong {
  grid-area: year;
  color: #1d2f43;
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 850;
  line-height: .88;
  letter-spacing: -.06em;
}

.about-profile-since > p {
  grid-area: copy;
  margin: 16px 0 0;
  color: #64778b;
  font-size: 13px;
  line-height: 1.7;
}

.about-profile-fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin-top: 18px;
}

.about-profile-fact-grid article {
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(60,105,147,.10);
  border-radius: 17px;
  background: rgba(255,255,255,.66);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.about-profile-fact-grid article:hover {
  transform: translateY(-3px);
  border-color: rgba(47,144,224,.22);
  box-shadow: 0 13px 28px rgba(50,81,113,.10);
}

.about-profile-fact-grid strong {
  display: block;
  color: #263a50;
  font-size: clamp(25px, 3.5vw, 34px);
  font-weight: 830;
  line-height: 1;
  letter-spacing: -.035em;
}

.about-profile-fact-grid strong small {
  margin-left: 2px;
  color: #ff7a18;
  font-size: .44em;
  letter-spacing: 0;
}

.about-profile-fact-grid span {
  display: block;
  margin-top: 10px;
  color: #75879a;
  font-size: 11px;
  letter-spacing: .05em;
}

.qualification-section {
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 12% 10%, rgba(74,164,232,.11), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(226,238,248,.50));
}

.qualification-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .42;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(65,128,184,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65,128,184,.06) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 84%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 16%, #000 84%, transparent);
}

.qualification-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.qualification-heading > div > span {
  display: block;
  margin-bottom: 10px;
  color: #3c8ed0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .24em;
}

.qualification-heading h2 { margin-bottom: 0; }

.qualification-heading > p {
  max-width: 530px;
  margin: 0 0 2px;
  color: #6b7d90;
  font-size: 13px;
  line-height: 1.75;
}

.qualification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
}

.qualification-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: 0;
  border: 1px solid rgba(255,255,255,.92);
  border-radius: 22px;
  color: inherit;
  text-align: left;
  background: rgba(255,255,255,.72);
  box-shadow: 0 15px 42px rgba(55,83,112,.11);
  cursor: zoom-in;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.qualification-card::after {
  content: "↗";
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 50%;
  color: #315879;
  background: rgba(255,255,255,.82);
  box-shadow: 0 7px 18px rgba(30,55,83,.13);
  font-size: 14px;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.qualification-card:hover,
.qualification-card:focus-visible {
  z-index: 1;
  border-color: rgba(70,155,221,.30);
  box-shadow: 0 22px 58px rgba(51,84,117,.17);
  transform: translateY(-5px);
}

.qualification-card:focus-visible {
  outline: 3px solid rgba(50,155,233,.24);
  outline-offset: 3px;
}

.qualification-card:hover::after {
  color: #fff;
  background: #3d94d6;
  transform: translate(2px,-2px);
}

.qualification-crop {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg,#dbe9f4,#edf4f9);
  isolation: isolate;
}

.qualification-crop::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  box-shadow: inset 0 -30px 35px rgba(27,49,72,.08);
  pointer-events: none;
}

.qualification-crop picture,
.qualification-crop img {
  position: absolute;
  display: block;
  max-width: none;
}

.qualification-crop picture { inset: 0; }

.qualification-crop img {
  width: 260%;
  height: auto;
  transition: transform .45s cubic-bezier(.2,.75,.25,1);
  will-change: transform;
}

.qualification-crop-1 img { transform: translate(1%, -53%); }
.qualification-crop-2 img { transform: translate(-32%, -53%); }
.qualification-crop-3 img { transform: translate(-63%, -53%); }
.qualification-crop-4 img { transform: translate(2%, -74%); }
.qualification-crop-5 img { transform: translate(-32%, -74%); }
.qualification-crop-6 img { transform: translate(-63%, -74%); }

.qualification-card:hover .qualification-crop-1 img { transform: translate(1%, -53%) scale(1.025); }
.qualification-card:hover .qualification-crop-2 img { transform: translate(-32%, -53%) scale(1.025); }
.qualification-card:hover .qualification-crop-3 img { transform: translate(-63%, -53%) scale(1.025); }
.qualification-card:hover .qualification-crop-4 img { transform: translate(2%, -74%) scale(1.025); }
.qualification-card:hover .qualification-crop-5 img { transform: translate(-32%, -74%) scale(1.025); }
.qualification-card:hover .qualification-crop-6 img { transform: translate(-63%, -74%) scale(1.025); }

.qualification-card-copy {
  display: block;
  min-height: 138px;
  padding: 22px;
}

.qualification-card-copy small {
  display: block;
  overflow-wrap: anywhere;
  color: #4593cf;
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .16em;
}

.qualification-card-copy strong {
  display: block;
  margin-top: 9px;
  color: #26384c;
  font-size: 17px;
  font-weight: 780;
  line-height: 1.45;
}

.qualification-card-copy em {
  display: block;
  margin-top: 12px;
  color: #8a99a8;
  font-size: 11px;
  font-style: normal;
}

.qualification-note {
  margin: 24px 0 0;
  padding-left: 21px;
  color: #77899b;
  font-size: 11px;
  line-height: 1.8;
}

.qualification-note::before {
  content: "i";
  display: inline-grid;
  width: 15px;
  height: 15px;
  margin: 0 6px 0 -21px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #78a6cb;
  font-size: 9px;
  font-weight: 800;
}

.qualification-viewer[hidden] { display: none; }

.qualification-viewer {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  opacity: 0;
  background: rgba(11,23,36,.76);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: opacity .22s ease;
}

.qualification-viewer.is-open { opacity: 1; }

.qualification-viewer-panel {
  display: grid;
  grid-template-rows: auto minmax(0,1fr) auto;
  width: min(1080px, 100%);
  max-height: calc(100vh - 40px);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.52);
  border-radius: 24px;
  background: #f4f8fb;
  box-shadow: 0 28px 90px rgba(0,0,0,.36);
  transform: translateY(15px) scale(.985);
  transition: transform .25s cubic-bezier(.2,.75,.25,1);
}

.qualification-viewer.is-open .qualification-viewer-panel { transform: translateY(0) scale(1); }

.qualification-viewer-panel > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding: 13px 18px 13px 24px;
  border-bottom: 1px solid rgba(45,76,106,.10);
  background: rgba(255,255,255,.88);
}

.qualification-viewer-panel > header small {
  display: block;
  color: #438fc9;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .2em;
}

.qualification-viewer-panel > header h2 {
  margin: 5px 0 0;
  color: #22364b;
  font-size: 17px;
  font-weight: 780;
}

.qualification-viewer-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
}

.qualification-viewer-actions button {
  min-height: 39px;
  border: 1px solid rgba(54,109,154,.18);
  color: #345879;
  background: #eef6fb;
  font-size: 12px;
  font-weight: 700;
  transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease;
}

#qualification-zoom {
  padding: 0 15px;
  border-radius: 999px;
}

#qualification-close {
  display: grid;
  width: 39px;
  padding: 0;
  place-items: center;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 400;
}

.qualification-viewer-actions button:hover,
.qualification-viewer-actions button:focus-visible {
  border-color: #448fca;
  color: #fff;
  background: #448fca;
  transform: translateY(-1px);
}

.qualification-document-scroll {
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  padding: 24px;
  background:
    linear-gradient(45deg, rgba(117,143,168,.09) 25%, transparent 25%, transparent 75%, rgba(117,143,168,.09) 75%),
    linear-gradient(45deg, rgba(117,143,168,.09) 25%, transparent 25%, transparent 75%, rgba(117,143,168,.09) 75%),
    #e8eff5;
  background-position: 0 0, 12px 12px;
  background-size: 24px 24px;
}

.qualification-document-scroll picture {
  display: block;
  width: min(720px,100%);
  margin: 0 auto;
  transform-origin: top center;
  transition: width .25s ease;
}

#qualification-document {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 13px 42px rgba(26,44,63,.22);
  cursor: zoom-in;
}

.qualification-viewer.is-zoomed .qualification-document-scroll picture { width: min(1080px, 150%); }
.qualification-viewer.is-zoomed #qualification-document { cursor: zoom-out; }

.qualification-viewer-panel > footer {
  padding: 11px 24px 13px;
  border-top: 1px solid rgba(45,76,106,.10);
  color: #788a9b;
  background: rgba(255,255,255,.90);
  font-size: 10px;
  line-height: 1.5;
}

body.qualification-viewer-open { overflow: hidden; }

@media (max-width: 900px) {
  .qualification-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 640px) {
  .about-profile-text { gap: 13px; font-size: 13px; line-height: 1.88; }
  .about-profile-facts { padding: 24px 19px; border-radius: 22px; }
  .about-profile-fact-grid article { padding: 16px 13px; }
  .about-profile-fact-grid span { font-size: 10px; letter-spacing: .02em; }
  .qualification-heading { display: block; margin-bottom: 25px; }
  .qualification-heading > p { margin-top: 13px; font-size: 12px; }
  .qualification-grid { grid-template-columns: 1fr; gap: 15px; }
  .qualification-card { display: grid; grid-template-columns: 46% 54%; border-radius: 17px; }
  .qualification-crop { aspect-ratio: auto; min-height: 166px; }
  .qualification-card-copy { min-height: 166px; padding: 20px 15px; }
  .qualification-card-copy strong { font-size: 15px; }
  .qualification-card-copy small { padding-right: 23px; font-size: 8px; letter-spacing: .10em; }
  .qualification-card::after { top: 12px; right: 12px; width: 29px; height: 29px; }
  .qualification-viewer { padding: 0; place-items: stretch; }
  .qualification-viewer-panel {
    width: 100%;
    max-height: 100dvh;
    min-height: 100dvh;
    border: 0;
    border-radius: 0;
  }
  .qualification-viewer-panel > header { min-height: 68px; padding: 10px 12px 10px 16px; }
  .qualification-viewer-panel > header h2 {
    max-width: 42vw;
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .qualification-viewer-actions { gap: 7px; }
  #qualification-zoom { min-height: 36px; padding: 0 11px; font-size: 11px; }
  #qualification-close { width: 36px; min-height: 36px; }
  .qualification-document-scroll { padding: 14px; }
  .qualification-viewer.is-zoomed .qualification-document-scroll picture { width: 165%; }
  .qualification-viewer-panel > footer { padding: 9px 14px 11px; font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-profile-fact-grid article,
  .qualification-card,
  .qualification-card::after,
  .qualification-crop img,
  .qualification-viewer,
  .qualification-viewer-panel,
  .qualification-viewer-actions button,
  .qualification-document-scroll picture { transition: none !important; }
}