/* ============================================================
   钜盛鼎设计系统 jsd-design.css
   唯一标准见根目录 DESIGN.md(色板/字阶/对比度红线/动效规范)
   全站新页面型唯一样式来源;旧 inline 源站 CSS 与 PATCH_CSS 已弃用
   ============================================================ */

/* ---------- 字体(仅 EN eyebrow/编号/数字,latin 子集自托管) ---------- */
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/barlow-condensed-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/barlow-condensed-latin-600-normal.woff2') format('woff2');
}

/* ---------- Cairo(仅 ar 页生效;unicode-range 分片,其他语言页不会下载) ---------- */
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-arabic-400-normal.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-arabic-500-normal.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-arabic-600-normal.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-arabic-700-normal.woff2') format('woff2');
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-latin-600-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Cairo';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/dm-content/themes/jsd/fonts/cairo-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- 设计令牌 ---------- */
:root {
  --navy-950: #081226;
  --navy-900: #0B1836;
  --navy-800: #132549;
  --navy-700: #1C3364;

  --ink-900: #0F1524;
  --ink-600: #46536B;
  --ink-300: #A7B4CC;
  --paper: #FFFFFF;
  --mist: #F4F6F9;
  --line: #E3E8F0;
  --line-dark: rgba(255, 255, 255, .14);

  --green: #BAE212;
  --green-ink: #5F7500;
  --green-press: #A5C90F;

  --font-zh: 'PingFang SC', 'HarmonyOS Sans SC', 'MiSans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Barlow Condensed', 'Arial Narrow', var(--font-zh);

  --fs-hero: clamp(2.75rem, 5.6vw, 4.75rem);
  --fs-h2: clamp(1.875rem, 3.2vw, 3rem);
  --fs-h3: clamp(1.2rem, 1.6vw, 1.5rem);
  --fs-body: 1rem;
  --fs-sm: .875rem;
  --fs-eyebrow: .8125rem;

  --maxw: 1280px;
  --pad-x: clamp(20px, 4vw, 48px);
  --sec-y: clamp(72px, 9vw, 128px);

  --shadow-1: 0 1px 2px rgba(15, 21, 36, .06), 0 6px 20px rgba(15, 21, 36, .07);
  --shadow-2: 0 12px 40px rgba(8, 18, 38, .18);

  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --dur-micro: .25s;
  --dur-reveal: .6s;

  --nav-h: 76px;
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.42'/%3E%3C/svg%3E");
}

/* ---------- 阿拉伯语(ar)排版接管:仅字体/字距/行高,布局与中文版完全一致(不做 RTL 镜像,老板拍板) ---------- */
html[lang="ar"] {
  --font-zh: 'Cairo', 'Noto Sans Arabic', 'Segoe UI', 'Tahoma', sans-serif;
  --font-display: 'Cairo', 'Barlow Condensed', sans-serif;
}
/* 阿拉伯文为连写文字,任何 letter-spacing 都会打断连字 */
html[lang="ar"] * { letter-spacing: 0 !important; }
/* 纯拉丁装饰元素(eyebrow/编号/日期)恢复与中文版相同的字距 */
html[lang="ar"] .eyebrow { letter-spacing: .18em !important; }
html[lang="ar"] .hero-eyebrow { letter-spacing: .22em !important; }
html[lang="ar"] .hero-count { letter-spacing: .1em !important; }
html[lang="ar"] .news-date { letter-spacing: .1em !important; }
html[lang="ar"] .catalog-group .group-head .num { letter-spacing: .08em !important; }
/* 阿拉伯文有上下延伸符,过紧的行高会裁切变音符 */
html[lang="ar"] .hero-title { line-height: 1.32; }
html[lang="ar"] .sec-head .sec-title { line-height: 1.4; }
html[lang="ar"] body { line-height: 1.9; }
/* RTL:方向性图标镜像("前进"箭头/横滑chevron/面包屑分隔;chevronDown 的 .caret 不受影响) */
html[dir="rtl"] .btn svg,
html[dir="rtl"] .link-more svg,
html[dir="rtl"] [data-rail-prev] svg,
html[dir="rtl"] [data-rail-next] svg,
html[dir="rtl"] .breadcrumbs svg { transform: scaleX(-1); }

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-zh);
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink-900);
  background: var(--paper);
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; padding: 0; color: inherit; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }

/* 工业质感:噪点颗粒(深色区块)与工程图纸网格(浅色区块) */
.grain { position: relative; }
.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--noise);
  opacity: .05;
  pointer-events: none;
  z-index: 1;
}
.grain > * { position: relative; z-index: 2; }
.blueprint {
  background-image:
    linear-gradient(rgba(11, 24, 54, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 24, 54, .045) 1px, transparent 1px);
  background-size: 44px 44px;
}

/* ---------- 滚动渐入 ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); }
[data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- Eyebrow 区块头 ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-600);
}
.eyebrow::before { content: ''; width: 26px; height: 3px; background: var(--green); flex: none; }
.on-dark .eyebrow { color: var(--ink-300); }
.sec-head { margin-block-end: clamp(36px, 4.5vw, 64px); }
.sec-head .sec-title { font-size: var(--fs-h2); font-weight: 700; line-height: 1.18; margin-block-start: 18px; letter-spacing: .01em; }
.sec-head .sec-desc { max-width: 760px; color: var(--ink-600); margin-block-start: 18px; }
.on-dark .sec-head .sec-desc { color: var(--ink-300); }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }

/* ---------- 按钮(主按钮带工业切角) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--dur-micro) ease, border-color var(--dur-micro) ease, color var(--dur-micro) ease;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--dur-micro) var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary {
  background: var(--green);
  color: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.btn-primary:hover { background: var(--green-press); }
.btn-ghost { border: 1px solid var(--ink-900); color: var(--ink-900); padding: 14px 29px; }
.btn-ghost:hover { background: rgba(15, 21, 36, .06); }
.on-dark .btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; }
.on-dark .btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--ink-900);
  transition: color var(--dur-micro) ease;
  white-space: nowrap;
}
.link-more svg { width: 16px; height: 16px; transition: transform var(--dur-micro) var(--ease-out); }
.link-more:hover { color: var(--green-ink); }
.link-more:hover svg { transform: translateX(4px); }
.on-dark .link-more { color: #fff; }
.on-dark .link-more:hover { color: var(--green); }

/* ---------- 导航 ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur-micro) ease;
}
.site-nav.is-scrolled { box-shadow: var(--shadow-1); }
.site-nav > .container { display: flex; align-items: center; gap: 40px; height: var(--nav-h); }
.site-nav .brand { flex: none; display: flex; align-items: center; }
.site-nav .brand img { height: 46px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 2px; margin-inline-start: auto; }
.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  height: var(--nav-h);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink-900);
  position: relative;
  transition: color var(--dur-micro) ease;
}
.nav-menu > li > a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-micro) var(--ease-out);
}
.nav-menu > li > a:hover::after,
.nav-menu > li > a[aria-current="page"]::after { transform: scaleX(1); }
.nav-menu > li > a .caret { width: 12px; height: 12px; color: var(--ink-600); }

/* 产品下拉(桌面全宽面板) */
.has-mega { position: static; }
.mega {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--nav-h);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out), visibility var(--dur-micro);
}
.has-mega:hover .mega,
.has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: none; }
.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-block: 40px 48px;
}
.mega dl { border-inline-start: 1px solid var(--line); padding-inline-start: 24px; }
.mega dl dt {
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-600);
  margin-block-end: 14px;
}
.mega dl dt a { color: inherit; }
.mega dl dt a:hover { color: var(--green-ink); }
.mega dd a {
  display: block;
  padding: 7px 0;
  font-size: .9375rem;
  color: var(--ink-900);
  transition: color var(--dur-micro) ease, padding-inline-start var(--dur-micro) var(--ease-out);
}
.mega dd a:hover { color: var(--green-ink); padding-inline-start: 6px; }

/* 语言切换 + CTA */
.nav-aux { display: flex; align-items: center; gap: 20px; flex: none; }
.lang { position: relative; }
/* 多语言暂缓:只展示地球图标+当前语言,无跳转(2026-07-14) */
.lang.is-static { display: flex; align-items: center; gap: 6px; font-size: .875rem; color: var(--ink-600); }
.lang.is-static svg { width: 16px; height: 16px; }
.drawer-lang .lang.is-static { color: var(--ink-300); }
.lang > button {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .875rem;
  color: var(--ink-600);
  padding: 8px 4px;
}
.lang > button:hover { color: var(--ink-900); }
.lang svg { width: 16px; height: 16px; }
.lang-list {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  min-width: 140px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  border-radius: 2px;
  padding: 6px;
  display: none;
}
.lang.is-open .lang-list { display: block; }
.lang-list a { display: block; padding: 8px 12px; font-size: .875rem; border-radius: 2px; }
.lang-list a:hover { background: var(--mist); }
.nav-cta { flex: none; padding: 12px 22px; font-size: .875rem; }
.nav-toggle { display: none; }

/* ---------- 移动抽屉 ---------- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--navy-950);
  color: #fff;
  padding: 24px var(--pad-x) 48px;
  overflow-y: auto;
  display: none;
}
.drawer.is-open { display: block; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-block-end: 24px; }
.drawer-head img { height: 40px; width: auto; filter: brightness(0) invert(1); }
.drawer-close { color: #fff; padding: 10px; margin: -10px; }
.drawer-close svg { width: 24px; height: 24px; display: block; }
.drawer-menu > li { border-bottom: 1px solid var(--line-dark); }
.drawer-menu > li > a,
.drawer-menu .drawer-acc-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: #fff;
  text-align: start;
}
.drawer-acc-btn svg { width: 18px; height: 18px; color: var(--ink-300); transition: transform var(--dur-micro) var(--ease-out); }
.drawer-acc.is-open .drawer-acc-btn svg { transform: rotate(180deg); }
.drawer-acc-panel { display: none; padding-block-end: 12px; }
.drawer-acc.is-open .drawer-acc-panel { display: block; }
.drawer-acc-panel dt { font-family: var(--font-display); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin: 14px 0 4px; }
.drawer-acc-panel dd a { display: block; padding-block: 9px; padding-inline-start: 12px; color: var(--ink-300); font-size: 1rem; border-inline-start: 1px solid var(--line-dark); }
.drawer-acc-panel dd a:active { color: #fff; }
.drawer-aux { margin-block-start: 28px; display: grid; gap: 12px; }
.drawer-aux .btn { justify-content: center; }
.drawer-lang { display: flex; gap: 20px; justify-content: center; padding-block-start: 12px; }
.drawer-lang a { color: var(--ink-300); font-size: .9375rem; padding: 8px 0; }

/* ---------- Hero 轮播 ---------- */
.hero { position: relative; background: var(--navy-950); color: #fff; overflow: hidden; }
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--noise);
  opacity: .05;
  pointer-events: none;
  z-index: 3;
}
.hero-track { display: grid; }
.hero-slide { grid-area: 1 / 1; position: relative; opacity: 0; transition: opacity .7s var(--ease-out); pointer-events: none; z-index: 0; }
.hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
.hero-media { position: relative; height: clamp(560px, 82vh, 800px); overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide.is-active .hero-media img { animation: heroKen 8s var(--ease-out) forwards; }
@keyframes heroKen {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 18, 38, .94) 0%, rgba(8, 18, 38, .8) 30%, rgba(8, 18, 38, .3) 60%, rgba(8, 18, 38, .12) 100%),
    linear-gradient(0deg, rgba(8, 18, 38, .62) 0%, rgba(8, 18, 38, 0) 26%);
}
.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  z-index: 2;
}
.hero-content .container { width: 100%; }
.hero-inner { max-width: 660px; }
.hero-slide.is-active .hero-inner > * { animation: heroRise .8s var(--ease-out) backwards; }
.hero-slide.is-active .hero-inner > :nth-child(2) { animation-delay: .08s; }
.hero-slide.is-active .hero-inner > :nth-child(3) { animation-delay: .16s; }
.hero-slide.is-active .hero-inner > :nth-child(4) { animation-delay: .24s; }
.hero-slide.is-active .hero-inner > :nth-child(5) { animation-delay: .32s; }
@keyframes heroRise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--green);
}
.hero-eyebrow::before { content: ''; width: 26px; height: 3px; background: var(--green); }
.hero-title { display: block; font-size: var(--fs-hero); font-weight: 700; line-height: 1.1; margin-block-start: 22px; letter-spacing: .01em; text-wrap: balance; }
.hero-desc { margin-block-start: 22px; font-size: clamp(.9375rem, 1.2vw, 1.0625rem); line-height: 1.85; color: rgba(255, 255, 255, .92); max-width: 560px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 26px; }
.hero-tags span {
  padding: 7px 15px;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 2px;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(8, 18, 38, .18);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-block-start: 40px; }

/* 轮播控制:计数 + 进度条指示器 */
.hero-ctrl { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 4; }
.hero-ctrl .container { display: flex; align-items: center; gap: 24px; }
.hero-count { font-family: var(--font-display); font-weight: 500; font-size: 1.0625rem; letter-spacing: .1em; color: rgba(255, 255, 255, .92); flex: none; }
.hero-count .current { color: var(--green); font-weight: 600; font-size: 1.375rem; }
.hero-dots { display: flex; gap: 10px; flex: 1; max-width: 340px; }
.hero-dots button { flex: 1; height: 26px; position: relative; }
.hero-dots button::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 12px;
  height: 2px;
  background: rgba(255, 255, 255, .28);
}
.hero-dots button .fill {
  position: absolute;
  inset-inline-start: 0;
  top: 12px;
  height: 2px;
  width: 0;
  background: var(--green);
  box-shadow: 0 0 8px rgba(186, 226, 18, .8);
}
.hero-dots button.is-active .fill { width: 100%; transition: width 5.6s linear; }
.hero-dots button.no-anim .fill { transition: none !important; width: 0 !important; }

/* ---------- 区块通用 ---------- */
.sec { padding-block: var(--sec-y); }
.sec-mist { background: var(--mist); }
.sec-dark { background: var(--navy-900); color: #fff; position: relative; }
.sec-dark::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, var(--green) 0%, rgba(186, 226, 18, .1) 40%, transparent 100%);
}

/* ---------- 内页 page-hero(通栏:对比度红线执行处) ---------- */
.page-hero { position: relative; background: var(--navy-900); color: #fff; overflow: hidden; }
.page-hero .bg { position: absolute; inset: 0; }
.page-hero .bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 18, 38, .93) 0%, rgba(8, 18, 38, .82) 42%, rgba(8, 18, 38, .48) 100%);
}
.page-hero .container { position: relative; z-index: 2; padding-block: clamp(64px, 9vw, 128px); }
.page-hero.is-compact .container { padding-block: clamp(48px, 6vw, 80px); }
.page-hero .crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .8125rem; color: var(--ink-300); margin-block-end: 20px; }
.page-hero .crumbs a { color: var(--ink-300); transition: color var(--dur-micro) ease; }
.page-hero .crumbs a:hover { color: #fff; }
.page-hero .crumbs svg { width: 12px; height: 12px; }
.page-hero .eyebrow { color: var(--green); }
.page-hero h1 { font-size: clamp(2.125rem, 4vw, 3.5rem); font-weight: 700; line-height: 1.15; margin-block-start: 16px; max-width: 800px; text-wrap: balance; }
.page-hero .lede { margin-block-start: 20px; max-width: 720px; color: rgba(255, 255, 255, .92); line-height: 1.85; }
.page-hero .hero-actions { margin-block-start: 32px; }

/* ---------- 解决方案(不对称网格) ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 32px); }
.sol-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: box-shadow var(--dur-micro) ease, border-color var(--dur-micro) ease, transform var(--dur-micro) var(--ease-out);
}
.sol-card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-micro) var(--ease-out);
}
.sol-card:hover { box-shadow: var(--shadow-1); transform: translateY(-3px); }
.sol-card:hover::after { transform: scaleX(1); }
.sol-card .pic { overflow: hidden; aspect-ratio: 16 / 10; background: var(--navy-800); }
.sol-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease-out); }
.sol-card:hover .pic img { transform: scale(1.05); }
.sol-card .body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.sol-card h3 { font-size: 1.0625rem; font-weight: 600; line-height: 1.4; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sol-card h3 svg { width: 18px; height: 18px; flex: none; color: var(--ink-600); transition: transform var(--dur-micro) var(--ease-out), color var(--dur-micro) ease; }
.sol-card:hover h3 svg { transform: translateX(4px); color: var(--green-ink); }
.sol-card p { font-size: var(--fs-sm); color: var(--ink-600); line-height: 1.7; }
.sol-card.is-featured { grid-column: span 2; grid-row: span 2; }
.sol-card.is-featured .pic { aspect-ratio: auto; flex: 1; min-height: 320px; }
.sol-card.is-featured .body { flex: 0 0 auto; padding: 26px 28px 30px; }
.sol-card.is-featured h3 { font-size: var(--fs-h3); }
.sol-card.is-featured p { font-size: var(--fs-body); }

/* ---------- 产品横滑轨道 ---------- */
.rail-wrap { position: relative; }
.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(230px, 21vw, 288px);
  gap: clamp(16px, 2vw, 32px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block-end: 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-300) var(--line);
}
.rail::-webkit-scrollbar { height: 4px; }
.rail::-webkit-scrollbar-track { background: var(--line); }
.rail::-webkit-scrollbar-thumb { background: var(--ink-300); }
.rail-item { scroll-snap-align: start; display: block; }
.rail-item .pic {
  position: relative;
  aspect-ratio: 3 / 2;
  background:
    linear-gradient(rgba(11, 24, 54, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 24, 54, .05) 1px, transparent 1px),
    var(--mist);
  background-size: 36px 36px, 36px 36px, auto;
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-micro) ease, box-shadow var(--dur-micro) ease;
}
.rail-item .pic .num {
  position: absolute;
  top: 10px;
  inset-inline-start: 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .08em;
  color: var(--ink-300);
  transition: color var(--dur-micro) ease;
  z-index: 2;
}
.rail-item .pic img { width: 88%; height: 88%; object-fit: contain; mix-blend-mode: multiply; transition: transform .45s var(--ease-out); }
.rail-item:hover .pic { border-color: var(--navy-800); box-shadow: var(--shadow-1); }
.rail-item:hover .pic img { transform: scale(1.05); }
.rail-item:hover .pic .num { color: var(--green-ink); }
.rail-item h3 { font-size: 1rem; font-weight: 600; line-height: 1.45; margin-block-start: 14px; }
.rail-nav { display: flex; gap: 8px; flex: none; }
.rail-nav button {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-900);
  transition: background-color var(--dur-micro) ease, border-color var(--dur-micro) ease, color var(--dur-micro) ease, opacity var(--dur-micro) ease;
}
.rail-nav button:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.rail-nav button:disabled { opacity: .3; pointer-events: none; }
.rail-nav svg { width: 18px; height: 18px; }
.on-dark .rail-nav button { border-color: var(--line-dark); color: #fff; }
.on-dark .rail-nav button:hover { background: var(--green); border-color: var(--green); color: var(--ink-900); }

/* ---------- 服务支持(深色带) ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.svc-item { padding: 12px 32px 0; border-inline-start: 1px solid var(--line-dark); position: relative; }
.svc-item:first-child { padding-inline-start: 0; border-inline-start: 0; }
.svc-item .num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 3rem;
  letter-spacing: .04em;
  color: var(--green);
  line-height: 1;
  display: block;
  text-shadow: 0 0 24px rgba(186, 226, 18, .35);
}
.svc-item h3 { font-size: 1.1875rem; font-weight: 600; color: #fff; margin-block-start: 22px; }
.svc-item p { font-size: var(--fs-sm); line-height: 1.8; color: var(--ink-300); margin-block-start: 12px; }

/* ---------- 资讯(编辑部式) ---------- */
.news-featured {
  display: grid;
  grid-template-columns: 7fr 5fr;
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-block-end: clamp(16px, 2vw, 32px);
  transition: box-shadow var(--dur-micro) ease, transform var(--dur-micro) var(--ease-out);
}
.news-featured:hover { box-shadow: var(--shadow-1); transform: translateY(-3px); }
.news-featured .pic { overflow: hidden; aspect-ratio: 16 / 9; background: var(--navy-800); }
.news-featured .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease-out); }
.news-featured:hover .pic img { transform: scale(1.05); }
.news-featured .body { padding: clamp(24px, 3vw, 48px); display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.news-featured h3 { font-size: var(--fs-h3); font-weight: 600; line-height: 1.4; }
.news-featured:hover h3 { color: var(--green-ink); }
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 32px); }
.news-card { display: flex; flex-direction: column; gap: 12px; }
.news-card .pic { overflow: hidden; aspect-ratio: 16 / 10; background: var(--navy-800); }
.news-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease-out); }
.news-card:hover .pic img { transform: scale(1.05); }
.news-card h3 { font-size: .9375rem; font-weight: 600; line-height: 1.5; transition: color var(--dur-micro) ease; }
.news-card:hover h3 { color: var(--green-ink); }
.news-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--ink-600);
}
.news-date::before { content: ''; width: 14px; height: 2px; background: var(--green); }
.on-dark .news-date { color: var(--ink-300); }

/* ---------- 表单(深浅分屏) ---------- */
.lead { display: grid; grid-template-columns: 5fr 7fr; box-shadow: var(--shadow-2); }
.lead-brand {
  position: relative;
  background: linear-gradient(150deg, var(--navy-800) 0%, var(--navy-900) 55%, var(--navy-950) 100%);
  color: #fff;
  padding: clamp(32px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow: hidden;
}
.lead-brand::before {
  content: '';
  position: absolute;
  top: 20px;
  inset-inline-start: 20px;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--green);
  border-inline-start: 2px solid var(--green);
}
.lead-brand::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--noise);
  opacity: .06;
  pointer-events: none;
}
.lead-brand > * { position: relative; z-index: 2; }
.lead-brand .lead-title { font-size: clamp(1.5rem, 2.4vw, 2.125rem); font-weight: 700; line-height: 1.3; margin-block-start: 16px; }
.lead-brand .lead-desc { color: var(--ink-300); }
.lead-contacts { margin-block-start: auto; display: grid; gap: 14px; padding-block-start: 24px; border-top: 1px solid var(--line-dark); }
.lead-contacts a { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .92); font-size: .9375rem; transition: color var(--dur-micro) ease; }
.lead-contacts a:hover { color: var(--green); }
.lead-contacts svg { width: 18px; height: 18px; flex: none; color: var(--green); }
.lead-form { background: var(--paper); padding: clamp(32px, 4vw, 64px); }
.lead-form form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lead-form .field { display: grid; gap: 8px; }
.lead-form .field-full { grid-column: 1 / -1; }
.lead-form label { font-size: var(--fs-sm); font-weight: 600; color: var(--ink-900); }
.lead-form label .req { color: var(--green-ink); }
.lead-form input, .lead-form textarea {
  font: inherit;
  color: var(--ink-900);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 13px 16px;
  width: 100%;
  transition: border-color var(--dur-micro) ease, box-shadow var(--dur-micro) ease;
}
.lead-form input::placeholder, .lead-form textarea::placeholder { color: var(--ink-600); opacity: 1; }
.lead-form input:focus, .lead-form textarea:focus { outline: none; border-color: var(--navy-700); box-shadow: 0 0 0 1px var(--navy-700); }
.lead-form textarea { min-height: 132px; resize: vertical; }
.lead-form .submit-row { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-toast { font-size: var(--fs-sm); font-weight: 600; display: none; }
.form-toast.is-ok { display: block; color: var(--green-ink); }
.form-toast.is-err { display: block; color: #B42318; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-950); color: #fff; position: relative; }
.site-footer::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green) 0%, rgba(186, 226, 18, .12) 45%, transparent 100%);
}
.footer-main {
  display: grid;
  grid-template-columns: 4fr 2fr 3fr;
  gap: clamp(32px, 4vw, 64px);
  padding-block: clamp(48px, 6vw, 88px);
}
.footer-brand img { height: 54px; width: auto; filter: brightness(0) invert(1); }
.footer-contact { display: grid; gap: 12px; margin-block-start: 28px; }
.footer-contact a { display: flex; align-items: center; gap: 10px; color: var(--ink-300); font-size: .9375rem; transition: color var(--dur-micro) ease; }
.footer-contact a:hover { color: #fff; }
.footer-contact svg { width: 16px; height: 16px; flex: none; color: var(--green); }
.footer-social { display: flex; gap: 10px; margin-block-start: 28px; }
.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-300);
  transition: color var(--dur-micro) ease, border-color var(--dur-micro) ease, background-color var(--dur-micro) ease;
}
.footer-social a:hover { color: var(--ink-900); background: var(--green); border-color: var(--green); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col dt {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #fff;
  margin-block-end: 18px;
}
.footer-col dt::before { content: ''; width: 16px; height: 2px; background: var(--green); }
.footer-col dd a { display: block; padding: 6px 0; color: var(--ink-300); font-size: .9375rem; transition: color var(--dur-micro) ease, padding-inline-start var(--dur-micro) var(--ease-out); }
.footer-col dd a:hover { color: var(--green); padding-inline-start: 4px; }
.footer-bar { border-top: 1px solid var(--line-dark); }
.footer-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; flex-wrap: wrap; }
.footer-bar p, .footer-bar a { font-size: .8125rem; color: var(--ink-300); }
.footer-bar a:hover { color: #fff; }

/* ---------- WhatsApp 浮动按钮 ---------- */
.float-wa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(186, 226, 18, .4), var(--shadow-2);
  transition: background-color var(--dur-micro) ease, transform var(--dur-micro) var(--ease-out);
}
.float-wa:hover { background: var(--green-press); transform: translateY(-2px); }
.float-wa svg { width: 26px; height: 26px; }

/* ============================================================
   内页组件
   ============================================================ */

/* ---------- 面包屑(浅底版) ---------- */
.crumbs-light { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .8125rem; color: var(--ink-600); }
.crumbs-light a:hover { color: var(--green-ink); }
.crumbs-light svg { width: 12px; height: 12px; }

/* ---------- 产品详情:相册 + 摘要 ---------- */
.product-top { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.gallery-main {
  aspect-ratio: 676 / 450;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-block-start: 10px; }
.gallery-thumbs button {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
  padding: 0;
  transition: border-color var(--dur-micro) ease;
}
.gallery-thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs button.is-active,
.gallery-thumbs button:hover { border-color: var(--green-ink); }
.product-summary h1 { font-size: clamp(1.75rem, 2.8vw, 2.375rem); font-weight: 700; line-height: 1.25; }
.product-summary h1::after { content: ''; display: block; width: 52px; height: 4px; margin-block-start: 18px; background: var(--green); }
.product-summary .excerpt { margin-block-start: 22px; color: var(--ink-600); line-height: 1.85; }
.product-summary .prompt {
  margin-block-start: 20px;
  padding: 16px 20px;
  background: var(--mist);
  border-inline-start: 3px solid var(--green);
  font-size: var(--fs-sm);
  color: var(--ink-600);
  line-height: 1.75;
}
.product-summary .hero-actions { margin-block-start: 28px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 产品解析(图文两栏) ---------- */
.insight { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.insight .diagram { position: relative; border: 1px solid var(--line); background: #fff; }
.insight .diagram img { width: 100%; height: auto; }
.insight .video-link {
  position: absolute;
  inset-inline-start: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(8, 18, 38, .82);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: background-color var(--dur-micro) ease;
}
.insight .video-link:hover { background: var(--navy-700); }
.insight .video-link svg { width: 16px; height: 16px; color: var(--green); }
.insight .description p { color: var(--ink-600); line-height: 1.9; margin-block-end: 1em; }
.insight .description p:first-child { color: var(--ink-900); font-size: 1.0625rem; }
.on-dark .insight .description p { color: var(--ink-300); }
.on-dark .insight .description p:first-child { color: #fff; }
.on-dark .insight .diagram { border-color: var(--line-dark); }

/* ---------- 物料展示(hover 前后切换,已固化体验) ---------- */
.materials { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(180px, 15vw, 220px); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-block-end: 18px; scrollbar-width: thin; scrollbar-color: var(--ink-300) var(--line); }
.materials::-webkit-scrollbar { height: 4px; }
.materials::-webkit-scrollbar-track { background: var(--line); }
.materials::-webkit-scrollbar-thumb { background: var(--ink-300); }
.material-item { scroll-snap-align: start; }
.material-item .figure { position: relative; aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid var(--line); background: var(--mist); }
.material-item .figure img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.material-item .figure img + img { opacity: 0; transition: opacity .35s var(--ease-out); }
.material-item:hover .figure img + img { opacity: 1; }
.material-item .figure .badge {
  position: absolute;
  top: 8px;
  inset-inline-start: 8px;
  z-index: 2;
  padding: 3px 8px;
  background: rgba(8, 18, 38, .78);
  color: #fff;
  font-size: .6875rem;
  letter-spacing: .06em;
}
.material-item:hover .figure .badge::after { content: ' → 处理后'; color: var(--green); }
.material-item figcaption, .material-item .figcaption { margin-block-start: 10px; font-size: var(--fs-sm); font-weight: 600; color: var(--ink-900); }

/* ---------- 项目案例(灯箱) ---------- */
.projects { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(280px, 30vw, 420px); gap: clamp(16px, 2vw, 28px); overflow-x: auto; scroll-snap-type: x mandatory; padding-block-end: 18px; scrollbar-width: thin; scrollbar-color: var(--ink-300) var(--line); }
.projects::-webkit-scrollbar { height: 4px; }
.projects::-webkit-scrollbar-track { background: var(--line); }
.projects::-webkit-scrollbar-thumb { background: var(--ink-300); }
.project-item { scroll-snap-align: start; cursor: zoom-in; }
.project-item .pic { aspect-ratio: 676 / 450; overflow: hidden; border: 1px solid var(--line); background: var(--navy-800); }
.project-item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease-out); }
.project-item:hover .pic img { transform: scale(1.05); }
.project-item figcaption { margin-block-start: 10px; font-size: var(--fs-sm); color: var(--ink-600); display: flex; align-items: center; gap: 8px; }
.project-item figcaption::before { content: ''; width: 14px; height: 2px; background: var(--green); flex: none; }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 18, 38, .92);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 64px);
}
.lightbox.is-open { display: flex; }
.lightbox figure { max-width: min(1100px, 92vw); max-height: 86vh; display: flex; flex-direction: column; gap: 14px; }
.lightbox img { max-width: 100%; max-height: 78vh; width: auto; height: auto; object-fit: contain; margin-inline: auto; }
.lightbox figcaption { color: rgba(255, 255, 255, .92); text-align: center; font-size: var(--fs-sm); }
.lightbox button { position: absolute; color: rgba(255, 255, 255, .85); transition: color var(--dur-micro) ease; }
.lightbox button:hover { color: var(--green); }
.lightbox-close { top: 20px; right: 28px; font-size: 1.5rem; padding: 8px; }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); font-size: 3rem; line-height: 1; padding: 16px 10px; }
.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }

/* ---------- 推荐阅读 ---------- */
.reading-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(24px, 3vw, 48px); }
.reading-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
  font-size: .9375rem;
  font-weight: 500;
  transition: color var(--dur-micro) ease, padding-inline-start var(--dur-micro) var(--ease-out);
}
.reading-list a:hover { color: var(--green-ink); padding-inline-start: 8px; }
.reading-list .news-date { flex: none; }

/* ---------- 产品中心:锚点导航 + 分组 ---------- */
.group-nav { position: sticky; top: var(--nav-h); z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.group-nav .container { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.group-nav .container::-webkit-scrollbar { display: none; }
.group-nav a {
  flex: none;
  padding: 18px 18px 15px;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--ink-600);
  border-bottom: 3px solid transparent;
  transition: color var(--dur-micro) ease, border-color var(--dur-micro) ease;
}
.group-nav a:hover, .group-nav a.is-active { color: var(--ink-900); border-color: var(--green); }
.catalog-group { padding-block-start: clamp(48px, 6vw, 80px); }
.catalog-group .group-head { display: flex; align-items: baseline; gap: 16px; margin-block-end: 28px; }
.catalog-group .group-head .num { font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; letter-spacing: .08em; color: var(--green-ink); }
.catalog-group .group-head h2 { font-size: clamp(1.375rem, 2.2vw, 1.75rem); font-weight: 700; }
.catalog-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); }
.catalog-card { display: block; }
.catalog-card .pic {
  position: relative;
  aspect-ratio: 3 / 2;
  background:
    linear-gradient(rgba(11, 24, 54, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 24, 54, .05) 1px, transparent 1px),
    #fff;
  background-size: 36px 36px, 36px 36px, auto;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: border-color var(--dur-micro) ease, box-shadow var(--dur-micro) ease;
}
.catalog-card .pic img { width: 86%; height: 86%; object-fit: contain; mix-blend-mode: multiply; transition: transform .45s var(--ease-out); }
.catalog-card:hover .pic { border-color: var(--navy-800); box-shadow: var(--shadow-1); }
.catalog-card:hover .pic img { transform: scale(1.05); }
.catalog-card h3 { font-size: .9375rem; font-weight: 600; margin-block-start: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.catalog-card h3 svg { width: 15px; height: 15px; color: var(--ink-300); flex: none; transition: transform var(--dur-micro) var(--ease-out), color var(--dur-micro) ease; }
.catalog-card:hover h3 svg { transform: translateX(3px); color: var(--green-ink); }

/* ---------- 应用详情 ---------- */
.app-scenarios { display: flex; flex-wrap: wrap; gap: 10px; margin-block-start: 26px; }
.app-scenarios li {
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, .32);
  font-size: .875rem;
  color: rgba(255, 255, 255, .92);
  background: rgba(8, 18, 38, .2);
  backdrop-filter: blur(4px);
}
.prose { max-width: 860px; }
.prose p { color: var(--ink-600); line-height: 1.9; margin-block-end: 1.1em; }
.prose > p:first-child { font-size: 1.0625rem; color: var(--ink-900); }
.prose h2 { font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 700; margin-block: 1.8em .8em; display: flex; align-items: center; gap: 12px; }
.prose h2::before { content: ''; width: 5px; height: 1.1em; background: var(--green); flex: none; }

/* spotlight:文字+竖版视频影院式(已固化体验) */
.spotlight { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: center; padding-block: clamp(24px, 3vw, 40px); }
.spotlight .text h2 { font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 700; margin-block-end: .8em; display: flex; align-items: center; gap: 12px; }
.spotlight .text h2::before { content: ''; width: 5px; height: 1.1em; background: var(--green); flex: none; }
.spotlight .text p { color: var(--ink-600); line-height: 1.9; margin-block-end: 1em; }
.cinema { background: #000; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; }
.cinema video { width: 100%; max-height: 440px; object-fit: contain; background: #000; }

/* 图文条目(entry):文字左图右,多图横排 */
.entry-row { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 3.5vw, 56px); align-items: center; padding-block: clamp(24px, 3vw, 40px); border-top: 1px solid var(--line); }
.entry-row:first-child { border-top: 0; }
.entry-row .description h2 { font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 700; margin-block-end: .8em; display: flex; align-items: center; gap: 12px; }
.entry-row .description h2::before { content: ''; width: 5px; height: 1.1em; background: var(--green); flex: none; }
.entry-row .description p { color: var(--ink-600); line-height: 1.9; margin-block-end: 1em; }
.entry-row .graphic { display: flex; gap: 12px; }
.entry-row .graphic img { flex: 1 1 0; min-width: 0; aspect-ratio: 676 / 450; object-fit: cover; border: 1px solid var(--line); }

/* 重点设备 */
.equipment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2vw, 28px); }

/* ---------- 资讯文章 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 8fr) 4fr; gap: clamp(32px, 4vw, 64px); align-items: start; }
.article-head h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; line-height: 1.3; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-block-start: 18px; padding-block-end: 24px; border-bottom: 1px solid var(--line); }
.article-meta span { display: inline-flex; align-items: center; gap: 8px; font-size: .8125rem; color: var(--ink-600); }
.article-meta svg { width: 15px; height: 15px; color: var(--green-ink); }
.article-body { margin-block-start: 28px; }
.article-body p { color: var(--ink-600); line-height: 1.95; margin-block-end: 1.15em; }
.article-body > p:first-of-type { font-size: 1.0625rem; color: var(--ink-900); }
.article-body h2 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 700; margin-block: 1.9em .9em; display: flex; align-items: center; gap: 12px; }
.article-body h2::before { content: ''; width: 5px; height: 1.1em; background: var(--green); flex: none; }
.article-body img { margin-inline: auto; border: 1px solid var(--line); max-width: min(100%, 800px); }
.article-body p:has(> img) { text-align: center; }
.article-body video { max-height: 480px; object-fit: contain; background: #000; margin-inline: auto; border: 1px solid var(--line); }

/* 文章尾部 CTA 卡 */
.author-card {
  margin-block-start: 40px;
  padding: clamp(24px, 3vw, 36px);
  background: linear-gradient(140deg, var(--navy-800) 0%, var(--navy-900) 60%, var(--navy-950) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
  flex-wrap: wrap;
}
.author-card .motto { flex: 1 1 260px; }
.author-card .motto p { color: rgba(255, 255, 255, .92); font-size: 1.0625rem; font-weight: 600; }
.author-card .motto ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-block-start: 10px; }
.author-card .motto li { font-size: .8125rem; color: var(--ink-300); display: inline-flex; align-items: center; gap: 6px; }
.author-card .motto li::before { content: ''; width: 5px; height: 5px; background: var(--green); }

/* 侧栏 */
.sidebar { display: grid; gap: clamp(24px, 3vw, 36px); position: sticky; top: calc(var(--nav-h) + 24px); }
.side-card { border: 1px solid var(--line); background: var(--paper); padding: 24px; }
.side-card .side-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  margin-block-end: 16px;
}
.side-card .side-title::before { content: ''; width: 16px; height: 3px; background: var(--green); }
.side-card ul a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 0; font-size: .9375rem; color: var(--ink-600); border-bottom: 1px solid var(--line); transition: color var(--dur-micro) ease; }
.side-card ul li:last-child a { border-bottom: 0; }
.side-card ul a:hover { color: var(--green-ink); }
.side-card ul a svg { width: 14px; height: 14px; flex: none; }
.side-news a { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.side-news li:last-child a { border-bottom: 0; }
.side-news .pic { aspect-ratio: 4 / 3; overflow: hidden; background: var(--navy-800); }
.side-news .pic img { width: 100%; height: 100%; object-fit: cover; }
.side-news h4 { font-size: .8125rem; font-weight: 600; line-height: 1.5; }
.side-news a:hover h4 { color: var(--green-ink); }

/* 分享按钮 */
.share-row { display: flex; align-items: center; gap: 10px; margin-block-start: 28px; }
.share-row .label { font-size: .8125rem; color: var(--ink-600); margin-inline-end: 4px; }
.share-row button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-600);
  transition: color var(--dur-micro) ease, border-color var(--dur-micro) ease, background-color var(--dur-micro) ease;
}
.share-row button:hover { background: var(--navy-900); border-color: var(--navy-900); color: #fff; }
.share-row svg { width: 16px; height: 16px; }

/* ---------- 资讯列表 ---------- */
.news-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.5vw, 36px); }
.news-list-card { background: var(--paper); border: 1px solid var(--line); display: flex; flex-direction: column; transition: box-shadow var(--dur-micro) ease, transform var(--dur-micro) var(--ease-out); }
.news-list-card:hover { box-shadow: var(--shadow-1); transform: translateY(-3px); }
.news-list-card .pic { aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy-800); }
.news-list-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease-out); }
.news-list-card:hover .pic img { transform: scale(1.05); }
.news-list-card .body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-list-card h2 { font-size: 1.0625rem; font-weight: 600; line-height: 1.5; }
.news-list-card:hover h2 { color: var(--green-ink); }
.news-list-card .excerpt { font-size: var(--fs-sm); color: var(--ink-600); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-card .meta { margin-block-start: auto; padding-block-start: 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: .8125rem; color: var(--ink-600); }
.is-loadmore-hidden { display: none !important; }
.loadmore-row { display: flex; justify-content: center; margin-block-start: clamp(28px, 4vw, 48px); }

/* ---------- 关于我们 ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-band .stat { padding: 8px 32px 0; border-inline-start: 1px solid var(--line-dark); }
.stats-band .stat:first-child { padding-inline-start: 0; border-inline-start: 0; }
.stats-band .stat .num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  color: var(--green);
  line-height: 1;
  text-shadow: 0 0 24px rgba(186, 226, 18, .3);
}
.stats-band .stat p { font-size: var(--fs-sm); color: var(--ink-300); line-height: 1.75; margin-block-start: 14px; }
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 3vw, 48px); }
.about-card { border: 1px solid var(--line); background: var(--paper); padding: clamp(24px, 3vw, 40px); }
.about-card h3 { font-size: 1.25rem; font-weight: 700; display: flex; align-items: center; gap: 12px; }
.about-card h3::before { content: ''; width: 5px; height: 1.1em; background: var(--green); }
.about-card p { color: var(--ink-600); line-height: 1.85; margin-block-start: 14px; }
.qual-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(12px, 1.5vw, 20px); }
.qual-grid img { border: 1px solid var(--line); background: #fff; width: 100%; height: auto; }
.qual-grid .big { grid-column: span 3; }
.qual-grid .small { grid-column: span 2; }
.qual-grid .wide { grid-column: span 6; }
/* 研发/制造实力:文字卡+图墙一组 */
.strength-block { display: grid; gap: clamp(16px, 2vw, 28px); }
.strength-block + .strength-block { margin-block-start: clamp(36px, 5vw, 64px); }

/* ---------- 联系我们 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.contact-card { border: 1px solid var(--line); background: var(--paper); padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 10px; transition: box-shadow var(--dur-micro) ease; }
.contact-card:hover { box-shadow: var(--shadow-1); }
.contact-card svg { width: 26px; height: 26px; color: var(--green-ink); }
.contact-card h3 { font-size: 1.0625rem; font-weight: 700; margin-block-start: 8px; }
.contact-card p, .contact-card a { font-size: .9375rem; color: var(--ink-600); word-break: break-all; }
.contact-card a:hover { color: var(--green-ink); }
.qr-row { display: flex; gap: clamp(20px, 3vw, 40px); flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-item img { width: 168px; height: 168px; border: 1px solid var(--line); background: #fff; padding: 8px; }
.qr-item p { margin-block-start: 10px; font-size: var(--fs-sm); color: var(--ink-600); }

/* ---------- 政策/FAQ 内容页 ---------- */
.policy-body { max-width: 860px; }
.policy-body p { color: var(--ink-600); line-height: 1.95; margin-block-end: 1.1em; }
.policy-body h2 { font-size: clamp(1.2rem, 1.8vw, 1.45rem); font-weight: 700; margin-block: 1.9em .9em; display: flex; align-items: center; gap: 12px; }
.policy-body h2::before { content: ''; width: 5px; height: 1.1em; background: var(--green); flex: none; }
.policy-body h3 { font-size: 1.0625rem; font-weight: 700; margin-block: 1.5em .7em; }
.policy-body ul, .policy-body ol { margin: 0; margin-block-end: 1.1em; margin-inline-start: 1.4em; color: var(--ink-600); line-height: 1.9; }
.policy-body ul { list-style: none; }
.policy-body ul li { position: relative; padding-inline-start: 18px; margin-block-end: .4em; }
.policy-body ul li::before { content: ''; position: absolute; inset-inline-start: 0; top: .78em; width: 8px; height: 2px; background: var(--green-ink); }
.policy-body table { margin-block-end: 1.2em; font-size: var(--fs-sm); }
.policy-body th, .policy-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: start; color: var(--ink-600); }
.policy-body th { background: var(--mist); color: var(--ink-900); font-weight: 600; }

/* ---------- CTA 引导带 ---------- */
.cta-band { position: relative; background: linear-gradient(120deg, var(--navy-800) 0%, var(--navy-900) 55%, var(--navy-950) 100%); color: #fff; overflow: hidden; }
.cta-band::after { content: ''; position: absolute; inset: 0; background: var(--noise); opacity: .05; pointer-events: none; }
.cta-band .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: clamp(40px, 5vw, 64px); flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(1.375rem, 2.4vw, 1.875rem); font-weight: 700; line-height: 1.35; max-width: 640px; }
.cta-band p { color: var(--ink-300); margin-block-start: 8px; }

/* ============================================================
   动效降级(reduce:行为保留,过渡瞬时)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition: none; }
  .hero-slide.is-active .hero-media img { animation: none; }
  .hero-slide.is-active .hero-inner > * { animation: none; }
  .hero-dots button.is-active .fill { transition: none; width: 100%; }
  * { transition-duration: .01s !important; animation-duration: .01s !important; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1023px) {
  .nav-menu, .nav-aux .lang, .nav-cta { display: none; }
  /* 汉堡按钮靠最右:auto margin 必须加在 .nav-aux(顶层 flex 子项)上,加在按钮上只在 aux 内部生效 */
  .nav-aux { margin-inline-start: auto; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; color: var(--ink-900); }
  .nav-toggle svg { width: 24px; height: 24px; }
  .site-nav > .container { gap: 16px; }

  .sol-grid { grid-template-columns: 1fr 1fr; }
  .sol-card.is-featured { grid-column: 1 / -1; grid-row: auto; }
  .sol-card.is-featured .pic { aspect-ratio: 16 / 9; min-height: 0; flex: none; }
  .svc-grid { grid-template-columns: 1fr 1fr; gap: 44px 32px; }
  .svc-item { padding: 0; border-inline-start: 0; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .lead { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }

  .product-top { grid-template-columns: 1fr; }
  .insight { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .catalog-grid { grid-template-columns: repeat(3, 1fr); }
  .equipment-grid { grid-template-columns: repeat(3, 1fr); }
  .news-list-grid { grid-template-columns: 1fr 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
  .stats-band .stat { padding: 0; border-inline-start: 0; }
  .about-cols { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .entry-row { grid-template-columns: 1fr; }
  .spotlight { grid-template-columns: 1fr; }
  .qual-grid .big { grid-column: span 6; }
  .qual-grid .small { grid-column: span 2; }
  .reading-list { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  /* hero:图上文下(深色板),不压图 */
  .hero-media { height: auto; aspect-ratio: 16 / 10; }
  .hero-media::after { background: linear-gradient(180deg, rgba(8, 18, 38, 0) 55%, rgba(8, 18, 38, .65) 100%); }
  .hero-content { position: static; }
  .hero-inner { max-width: none; padding-block: 30px 92px; }
  .hero-title { font-size: clamp(1.875rem, 8.4vw, 2.5rem); }
  .hero-actions { gap: 12px; }
  .hero-actions .btn { flex: 1 1 45%; padding-inline: 16px; font-size: .875rem; }
  .hero-ctrl { bottom: 26px; }

  .sol-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; gap: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .lead-form form { grid-template-columns: 1fr; }
  .sec-head-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .float-wa { right: 16px; bottom: 16px; }

  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .gallery-thumbs { grid-template-columns: repeat(5, 1fr); }
  .qual-grid .big { grid-column: span 6; }
  .qual-grid .small { grid-column: span 3; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
}
