@charset "UTF-8";
/* ==========================================================================
   深圳市宏智达科技有限公司 · 官网样式
   设计方向：工业实用 Industrial / utilitarian
   —— 深海军蓝主导（仪表盘底）、发丝网格、等宽数字、橙色单一强调色
   性能约定：只动 transform / opacity；所有动效在 prefers-reduced-motion 下关闭
   ========================================================================== */

@font-face {
  font-family: 'Archivo Black';
  font-style: normal;
  font-weight: 400;
  font-display: swap;                    /* 字体未就绪时先用回退字形，避免 FOIT 阻塞首屏 */
  src: url('../fonts/ArchivoBlack-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2122;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2122;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2122;
}

/* --------------------------------------------------------------------------
   1. 设计令牌
   -------------------------------------------------------------------------- */
:root {
  /* 表面色阶：从最深的页面底到抬升的卡片面 */
  --ink-900: #050C1C;
  --ink-850: #071228;
  --ink-800: #0A1834;
  --ink-750: #0C1D3E;
  --ink-700: #0E2044;
  --ink-600: #142B56;

  /* 语义色 */
  --color-bg: var(--ink-900);
  --color-surface: var(--ink-800);
  --color-surface-2: var(--ink-700);
  --color-text: #EAF1FB;
  --color-muted: #9DB0D2;
  --color-line: rgba(125, 165, 225, 0.14);
  --color-line-strong: rgba(125, 165, 225, 0.30);
  --color-brand: #1E6FFF;
  --color-brand-lt: #5A9DFF;
  --color-accent: #FF7A29;
  --color-ok: #38D39F;

  /* 字体：展示字（拉丁）+ 等宽数据字（拉丁）+ 中文正文系统栈（零网络成本） */
  --font-display: 'Archivo Black', 'PingFang SC', 'HarmonyOS Sans SC',
                  'Source Han Sans SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: -apple-system, 'PingFang SC', 'HarmonyOS Sans SC', 'Source Han Sans SC',
               'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;

  /* 模块化字阶（1.25 比例，大标题用 clamp 做流体缩放） */
  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;
  --fs-30: 1.875rem;
  --fs-38: clamp(1.9rem, 1.2rem + 2.4vw, 2.375rem);
  --fs-48: clamp(2.25rem, 1.3rem + 3.6vw, 3rem);
  --fs-64: clamp(2.6rem, 1.2rem + 5.4vw, 4rem);

  /* 间距梯度 */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 16px; --sp-4: 24px;
  --sp-5: 40px; --sp-6: 64px; --sp-7: 96px; --sp-8: 128px;

  --radius-sm: 2px;   /* 工业风刻意使用小圆角，拒绝通用大圆角卡片 */
  --radius-md: 4px;
  --radius-lg: 8px;

  /* 三级阴影（带环境色，非纯黑） */
  --shadow-1: 0 2px 8px rgba(2, 8, 24, 0.45);
  --shadow-2: 0 8px 28px rgba(2, 8, 24, 0.55);
  --shadow-3: 0 24px 64px rgba(2, 8, 24, 0.65);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 160ms;
  --dur-base: 320ms;
  --dur-slow: 640ms;

  --container: 1240px;
  --gutter: clamp(20px, 5vw, 48px);
}

/* --------------------------------------------------------------------------
   2. 基础重置与排版
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;             /* 锚点跳转时为固定导航留出空间 */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 氛围层：发丝网格 + 蓝橙径向辉光 + 颗粒。fixed 定位，不参与文档流 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--color-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 78%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: 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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.main { position: relative; z-index: 1; }

img, svg, video { max-width: 100%; height: auto; display: block; }
img { background-color: var(--ink-700); }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;                     /* Archivo Black 本身即 900 观感，中文靠系统字重 */
  line-height: 1.12;
  letter-spacing: -0.02em;
}
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

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

/* 可见焦点圈：键盘可达性强制项 */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* 等宽数据标签：全站统一的“仪表盘刻度”语言 */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: var(--fs-12);
  color: var(--color-muted);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: var(--sp-3);
  top: -100px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--color-accent);
  color: #1a0b02;
  font-weight: 700;
  transition: top var(--dur-fast) ease-out;
}
.skip-link:focus { top: 12px; }

/* --------------------------------------------------------------------------
   3. 通用组件
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--color-accent);
}

.section { padding-block: clamp(64px, 8vw, 128px); position: relative; }
.section--alt { background: linear-gradient(180deg, var(--ink-850), var(--ink-900)); }

/* 照片氛围层：大图压到 14% 不透明度并上下渐隐，只提供质感不抢内容 */
.section--photo { position: relative; overflow: hidden; }
.section--photo::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: url("../img/hero-bg.webp") center / cover no-repeat;
  opacity: 0.14;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 25%, #000 75%, transparent);
          mask-image: linear-gradient(180deg, transparent, #000 25%, #000 75%, transparent);
}
.section--photo > .container { position: relative; z-index: 1; }

.section__head { max-width: 720px; margin-bottom: var(--sp-6); }
.section__head h2 {
  font-size: var(--fs-38);
  margin-block: var(--sp-3) var(--sp-4);
}
.section__head p { color: var(--color-muted); font-size: var(--fs-18); }

/* 装饰四角括号——全站记忆点之一 */
.corner { position: relative; }
.corner::before,
.corner::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-accent);
  opacity: 0.6;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.corner::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.corner::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.corner:hover::before, .corner:hover::after { opacity: 1; }

/* 按钮：主行动=橙（单页唯一强调色），次行动=描边 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;                     /* ≥44px 触摸目标 */
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform var(--dur-fast) ease-out,
              background-color var(--dur-fast) ease-out,
              border-color var(--dur-fast) ease-out,
              color var(--dur-fast) ease-out;
}
.btn--primary { background: var(--color-accent); color: #1A0B02; }
.btn--primary:hover { background: #FF904F; transform: translateY(-2px); }
.btn--ghost { border-color: var(--color-line-strong); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-brand-lt); background: rgba(30, 111, 255, 0.12); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { flex: none; }

/* --------------------------------------------------------------------------
   4. 顶部导航
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out);
}
.site-header.is-stuck {
  background: rgba(5, 12, 28, 0.86);
  border-bottom-color: var(--color-line);
  -webkit-backdrop-filter: blur(14px);
          backdrop-filter: blur(14px);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { width: 40px; height: 40px; border-radius: var(--radius-sm); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--font-display); font-size: var(--fs-18); letter-spacing: 0.02em; }
.brand__sub { font-family: var(--font-mono); font-size: 0.625rem; letter-spacing: 0.22em; color: var(--color-muted); text-transform: uppercase; }

.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative;
  padding: 10px 14px;
  font-size: var(--fs-14);
  color: var(--color-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) ease-out;
  /* 英文菜项比中文长一倍，不锁 nowrap 会被折成两行、把导航撑高 */
  white-space: nowrap;
}
/* 英文模式收紧左右内边距，让 7 个菜单项在 1144px 容器内单行排下 */
html[lang="en"] .nav__link { padding-left: 11px; padding-right: 11px; }
.nav__link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav__link:hover, .nav__link.is-active { color: var(--color-text); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: var(--sp-2); flex: none; }

/* 语言切换：分段控件而非下拉，桌面/移动一致 */
.lang {
  display: flex;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.lang button {
  min-width: 44px;
  min-height: 36px;
  padding: 0 10px;
  background: transparent;
  border: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background-color var(--dur-fast) ease-out, color var(--dur-fast) ease-out;
}
.lang button[aria-pressed="true"] { background: var(--color-brand); color: #fff; }
.lang button:hover { color: var(--color-text); }

.nav__cta { min-height: 40px; padding: 0 18px; font-size: var(--fs-12); }

/* 抽屉默认不渲染，仅在小屏通过媒体查询展开（避免桌面端出现裸链接块） */
.nav__drawer { display: none; }

/* 汉堡按钮 */
.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 4px auto;
  background: var(--color-text);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) ease-out;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. 首屏 Hero（非对称：左文案 + 右设备状态面板）
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(120px, 14vw, 180px);
  padding-bottom: clamp(56px, 7vw, 96px);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 720px;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(42rem 30rem at 18% 8%, rgba(30, 111, 255, 0.30), transparent 62%),
    radial-gradient(30rem 24rem at 88% 0%, rgba(255, 122, 41, 0.18), transparent 60%);
  filter: blur(6px);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero h1 {
  font-size: var(--fs-64);
  margin-block: var(--sp-4) var(--sp-4);
  line-height: 1.02;
}
.hero h1 .hl {
  color: var(--color-brand-lt);
  position: relative;
  white-space: nowrap;
}
.hero__lead {
  max-width: 46ch;
  color: var(--color-muted);
  font-size: var(--fs-18);
  line-height: 1.8;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-5); }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--color-line);
}
.hero__meta div { display: flex; align-items: baseline; gap: 8px; }
.hero__meta b { font-family: var(--font-mono); font-size: var(--fs-20); color: var(--color-text); }

/* 右侧：设备状态面板（首屏记忆点） */
.panel {
  position: relative;
  padding: var(--sp-4);
  background: linear-gradient(160deg, rgba(14, 32, 68, 0.92), rgba(7, 18, 40, 0.94));
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  overflow: hidden;
}
.panel::before {                        /* 扫描线，工业仪表质感 */
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(125, 165, 225, 0.05) 0 1px, transparent 1px 4px);
}
.panel__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--sp-3);
  margin-bottom: var(--sp-3);
  border-bottom: 1px solid var(--color-line);
}
.panel__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-ok);
  box-shadow: 0 0 0 3px rgba(56, 211, 159, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
.panel__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.panel__cell { padding: 14px 16px; background: var(--ink-800); }
.panel__cell dt { font-family: var(--font-mono); font-size: 0.625rem; letter-spacing: 0.16em; color: var(--color-muted); text-transform: uppercase; }
.panel__cell dd { margin: 6px 0 0; font-family: var(--font-mono); font-size: var(--fs-24); font-variant-numeric: tabular-nums; }
.panel__cell dd small { font-size: var(--fs-12); color: var(--color-muted); letter-spacing: 0.1em; }
.panel__log { margin-top: var(--sp-3); display: grid; gap: 6px; }
.panel__log li {
  display: flex;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--color-muted);
}
.panel__log time { color: var(--color-brand-lt); }
.panel__log .ok { color: var(--color-ok); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* --------------------------------------------------------------------------
   6. 跑马灯（能力关键词）
   -------------------------------------------------------------------------- */
.ticker {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-block: 1px solid var(--color-line);
  background: rgba(7, 18, 40, 0.6);
  padding-block: 14px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: slide 38s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  white-space: nowrap;
}
.ticker__track span::before { content: "◆"; color: var(--color-accent); font-size: 8px; }
@keyframes slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   7. 数据统计
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.stats__item { padding: var(--sp-5) var(--sp-4); background: var(--ink-850); text-align: left; }
.stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-48);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  line-height: 1;
}
.stats__num em { font-style: normal; color: var(--color-accent); font-size: 0.5em; margin-left: 4px; }
.stats__label { display: block; margin-top: 10px; color: var(--color-muted); font-size: var(--fs-14); }

/* --------------------------------------------------------------------------
   8. 产品服务（非对称网格，首项跨列）
   -------------------------------------------------------------------------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
}
.service {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  background: var(--ink-800);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              background-color var(--dur-base) var(--ease-out);
}
.service::after {                       /* hover 时从左扫入的橙色高亮条 */
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--dur-base) var(--ease-out);
}
.service:hover { transform: translateY(-6px); border-color: var(--color-line-strong); background: var(--ink-750); }
.service:hover::after { transform: scaleY(1); }

.service--wide { grid-column: span 2; }
.service__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--color-accent);
}
.service h3 { font-size: var(--fs-24); margin-block: var(--sp-3) var(--sp-3); }
.service p { color: var(--color-muted); font-size: var(--fs-14); line-height: 1.8; }
.service__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--sp-4); }
.service__tags li {
  padding: 4px 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   9. 硬件矩阵（规格表风格）
   -------------------------------------------------------------------------- */
.hw { border: 1px solid var(--color-line); border-radius: var(--radius-sm); overflow: hidden; }
.hw__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1.1fr) minmax(0, 1.4fr);
  gap: var(--sp-4);
  align-items: center;
  padding: var(--sp-4);
  border-bottom: 1px solid var(--color-line);
  transition: background-color var(--dur-fast) ease-out;
}
.hw__row:last-child { border-bottom: 0; }
.hw__row:hover { background: var(--ink-800); }
.hw__row--head {
  background: var(--ink-850);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.hw__row--head:hover { background: var(--ink-850); }
.hw__thumb {
  width: 96px;
  aspect-ratio: 4 / 3;
  object-fit: contain;                  /* 主机图为带说明文字的横幅，必须完整显示 */
  padding: 4px;
  background: var(--ink-900);
  border: 1px solid var(--color-line);
}
.hw__name { font-family: var(--font-display); font-size: var(--fs-18); }
.hw__spec { color: var(--color-muted); font-size: var(--fs-14); line-height: 1.7; }
/* 模块清单版（无缩略图）：名称列给出足够宽度，否则中文名称在 96px 里逐字换行 */
.hw--matrix .hw__row {
  grid-template-columns: minmax(150px, 1fr) minmax(0, 1.25fr) minmax(0, 1.35fr);
  align-items: start;
}
/* 行内标签：宽屏靠表头，窄屏表头隐藏后才显示 */
.hw__k { display: none; }

/* --------------------------------------------------------------------------
   10. 行业专柜图廊
   -------------------------------------------------------------------------- */
.cabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
}
.cab {
  position: relative;
  display: block;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-800);
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.cab:hover { border-color: var(--color-accent); transform: translateY(-4px); }
.cab img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.cab:hover img { transform: scale(1.06); }
.cab__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 14px 16px;
  border-top: 1px solid var(--color-line);
}
.cab__bar strong { font-family: var(--font-display); font-weight: 400; font-size: var(--fs-16); }
.cab__bar span { font-family: var(--font-mono); font-size: var(--fs-12); color: var(--color-accent); letter-spacing: 0.1em; }

/* --------------------------------------------------------------------------
   11. 解决方案 Tabs
   -------------------------------------------------------------------------- */
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--sp-5);
}
.tabs__btn {
  min-height: 44px;
  padding: 0 18px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur-fast) ease-out, border-color var(--dur-fast) ease-out, background-color var(--dur-fast) ease-out;
}
.tabs__btn:hover { color: var(--color-text); border-color: var(--color-line-strong); }
.tabs__btn[aria-selected="true"] {
  background: rgba(255, 122, 41, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.tabs__panel[hidden] { display: none; }
.tabs__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--sp-5);
  align-items: center;
  padding: var(--sp-5);
  background: var(--ink-800);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  animation: fadeUp var(--dur-base) var(--ease-out);
}
.tabs__panel h3 { font-size: var(--fs-30); margin-bottom: var(--sp-3); }
.tabs__panel p { color: var(--color-muted); margin-bottom: var(--sp-4); }
.tabs__panel ul { display: grid; gap: 10px; }
.tabs__panel li { display: flex; gap: 12px; align-items: flex-start; color: var(--color-muted); font-size: var(--fs-14); }
.tabs__panel li::before { content: "▸"; color: var(--color-accent); flex: none; }
.tabs__media img {
  width: 100%;
  aspect-ratio: 2 / 1;                  /* 与 900x450 主机横幅同比例，杜绝两侧裁切 */
  object-fit: cover;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}
/* 尺寸比例不同的临时图（如访客管理场景）改用完整显示，不裁切 */
.tabs__media--fit img { aspect-ratio: auto; object-fit: contain; background: var(--ink-900); }
/* 竖版柜型图（3:4）：两图并排拼成横向版面，机身上下完整不裁切 */
.tabs__media--duo { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tabs__media--duo img { aspect-ratio: 3 / 4; object-fit: cover; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   12. 技术栈进度条
   -------------------------------------------------------------------------- */
.tech { display: grid; gap: var(--sp-4); }
.tech__item { display: grid; gap: 8px; }
.tech__top { display: flex; justify-content: space-between; align-items: baseline; }
.tech__name { font-family: var(--font-mono); font-size: var(--fs-14); letter-spacing: 0.1em; }
.tech__val { font-family: var(--font-mono); font-size: var(--fs-14); color: var(--color-accent); font-variant-numeric: tabular-nums; }
.tech__bar { height: 6px; background: var(--ink-700); border-radius: 99px; overflow: hidden; }
.tech__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-brand), var(--color-brand-lt));
  border-radius: 99px;
  transition: width 1.1s var(--ease-out);
}
.tech__item:nth-child(1) .tech__fill { background: linear-gradient(90deg, #1E6FFF, #FF7A29); }

/* 全栈能力标签 */
.tech-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 var(--sp-5); padding: 0; list-style: none; }
.tech-tags li {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  padding: 8px 14px;
  border: 1px solid var(--color-line-strong);
  border-radius: 99px;
  background: var(--color-surface-2);
}

/* 外贸版 vs 信创版 对照表 */
.tech-table-wrap { margin-top: var(--sp-3); }
.tech-table-title { font-size: var(--fs-20); margin: 0 0 var(--sp-4); }
.tech-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
}
.tech-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-15);
  min-width: 640px;
}
.tech-table th, .tech-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
  line-height: 1.7;
}
.tech-table thead th {
  background: var(--ink-900);
  color: var(--color-text);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  font-size: var(--fs-14);
  font-weight: 600;
}
.tech-table thead th:first-child { color: var(--color-muted); }
.tech-table tbody tr:last-child td,
.tech-table tbody tr:last-child th { border-bottom: none; }
.tech-table tbody th {
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
  font-family: var(--font-body);
  letter-spacing: 0;
}
.tech-table tbody td { color: var(--color-muted); }
.tech-table tbody tr:hover td,
.tech-table tbody tr:hover th { background: rgba(125, 165, 225, 0.05); }
/* 信创列（第 3 列）左侧高亮条 */
.tech-table thead th:nth-child(3),
.tech-table tbody td:nth-child(3) { box-shadow: inset 3px 0 0 var(--color-brand); }
.tech-note {
  margin: var(--sp-4) 0 0;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   13. 优势卡片
   -------------------------------------------------------------------------- */
.why {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
}
.why__item {
  padding: var(--sp-5) var(--sp-4);
  background: var(--ink-800);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-base) var(--ease-out);
}
.why__item:hover { border-color: var(--color-line-strong); }
.why__icon {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-4);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
}
.why__item h3 { font-size: var(--fs-20); margin-bottom: 10px; }
.why__item p { color: var(--color-muted); font-size: var(--fs-14); line-height: 1.8; }

/* --------------------------------------------------------------------------
   14. 服务流程时间轴
   -------------------------------------------------------------------------- */
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-3); }
.flow__step { position: relative; padding-top: var(--sp-5); }
.flow__step::before {
  content: "";
  position: absolute;
  top: 14px; left: 0; right: 0;
  height: 1px;
  background: var(--color-line);
}
.flow__step::after {
  content: "";
  position: absolute;
  top: 9px; left: 0;
  width: 11px; height: 11px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 122, 41, 0.16);
}
.flow__step h3 { font-size: var(--fs-16); margin-block: var(--sp-3) 8px; }
.flow__step p { color: var(--color-muted); font-size: var(--fs-14); }
.flow__step .mono { color: var(--color-brand-lt); }

/* --------------------------------------------------------------------------
   15. 如意箱櫃
   -------------------------------------------------------------------------- */
.ruyi {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(32px, 5vw, 64px);
  background: linear-gradient(135deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}
.ruyi__mark { max-width: 240px; margin-bottom: var(--sp-4); }
.ruyi h2 { font-size: var(--fs-38); margin-bottom: var(--sp-3); }
.ruyi p { color: var(--color-muted); margin-bottom: var(--sp-4); }
.ruyi__list { display: grid; gap: 12px; margin-bottom: var(--sp-5); }
.ruyi__list li { display: flex; gap: 12px; color: var(--color-muted); font-size: var(--fs-14); }
.ruyi__list li::before { content: "✓"; color: var(--color-ok); flex: none; }
.ruyi__media img { filter: drop-shadow(0 24px 48px rgba(2, 8, 24, 0.5)); }

/* --------------------------------------------------------------------------
   16. 关于我们
   -------------------------------------------------------------------------- */
.about { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(32px, 5vw, 72px); }
.about p { color: var(--color-muted); font-size: var(--fs-18); line-height: 1.9; margin-bottom: var(--sp-4); }
.about__facts { display: grid; gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); }
.about__facts div { padding: var(--sp-4); background: var(--ink-850); }
.about__facts dt { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.16em; color: var(--color-accent); text-transform: uppercase; }
.about__facts dd { margin: 8px 0 0; font-size: var(--fs-14); color: var(--color-muted); }

/* --------------------------------------------------------------------------
   17. FAQ 手风琴（原生 details，无 JS 依赖也能用）
   -------------------------------------------------------------------------- */
.faq { display: grid; gap: var(--sp-2); }
.faq details {
  background: var(--ink-800);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) ease-out;
}
.faq details[open] { border-color: var(--color-accent); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 56px;
  padding: 14px var(--sp-4);
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-18);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-line-strong);
  border-radius: 50%;
  color: var(--color-accent);
  font-family: var(--font-mono);
  transition: transform var(--dur-base) var(--ease-out);
}
.faq details[open] summary::after { content: "−"; transform: rotate(180deg); }
.faq__a { padding: 0 var(--sp-4) var(--sp-4); color: var(--color-muted); font-size: var(--fs-14); line-height: 1.9; }

/* --------------------------------------------------------------------------
   18. 联系我们
   -------------------------------------------------------------------------- */
.contact { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 64px); }
.contact__list { display: grid; gap: 1px; background: var(--color-line); border: 1px solid var(--color-line); margin-top: var(--sp-4); }
.contact__list div { padding: var(--sp-4); background: var(--ink-850); }
.contact__list dt { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.16em; color: var(--color-accent); text-transform: uppercase; }
.contact__list dd { margin: 8px 0 0; font-size: var(--fs-16); }
.contact__list dd a:hover { color: var(--color-accent); }

.form { display: grid; gap: var(--sp-3); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.field { display: grid; gap: 8px; }
.field label { font-family: var(--font-mono); font-size: var(--fs-12); letter-spacing: 0.14em; color: var(--color-muted); text-transform: uppercase; }
.field input,
.field textarea,
.field select {
  min-height: 48px;
  padding: 12px 14px;
  background: var(--ink-900);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--fs-16);
  transition: border-color var(--dur-fast) ease-out, background-color var(--dur-fast) ease-out;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: var(--color-brand); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); background: var(--ink-850); }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #FF5A5A; }
.field__err { font-size: var(--fs-12); color: #FF8A8A; min-height: 1em; }
.form__note { font-size: var(--fs-12); color: var(--color-muted); }
.form__status {
  padding: 12px 16px;
  border: 1px solid var(--color-ok);
  border-radius: var(--radius-sm);
  background: rgba(56, 211, 159, 0.10);
  color: var(--color-ok);
  font-size: var(--fs-14);
}
.form__status[hidden] { display: none; }

/* --------------------------------------------------------------------------
   19. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--color-line);
  background: var(--ink-850);
  padding-block: var(--sp-6) var(--sp-4);
  margin-top: var(--sp-7);
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: var(--sp-5);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--color-line);
}
.footer__grid h4 { font-size: var(--fs-14); font-family: var(--font-mono); letter-spacing: 0.16em; color: var(--color-accent); text-transform: uppercase; margin-bottom: var(--sp-3); }
.footer__grid li { margin-bottom: 10px; }
.footer__grid a { color: var(--color-muted); font-size: var(--fs-14); transition: color var(--dur-fast) ease-out; }
.footer__grid a:hover { color: var(--color-text); }
.footer__about p { color: var(--color-muted); font-size: var(--fs-14); margin-top: var(--sp-3); max-width: 42ch; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-4);
  color: var(--color-muted);
  font-size: var(--fs-12);
}
.footer__bottom a:hover { color: var(--color-accent); }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 90;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  background: rgba(14, 32, 68, 0.9);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              visibility var(--dur-base) var(--ease-out);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* --------------------------------------------------------------------------
   20. 滚动入场动效（一次编排，错峰 80ms）
   -------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal[data-d="1"] { transition-delay: 80ms; }
.reveal[data-d="2"] { transition-delay: 160ms; }
.reveal[data-d="3"] { transition-delay: 240ms; }
.reveal[data-d="4"] { transition-delay: 320ms; }
.reveal[data-d="5"] { transition-delay: 400ms; }

/* 首屏编排序列：加载即播，不依赖滚动 */
.hero__seq { opacity: 0; transform: translateY(18px); animation: seqIn 700ms var(--ease-out) forwards; }
.hero__seq:nth-child(1) { animation-delay: 60ms; }
.hero__seq:nth-child(2) { animation-delay: 140ms; }
.hero__seq:nth-child(3) { animation-delay: 220ms; }
.hero__seq:nth-child(4) { animation-delay: 300ms; }
.hero__seq:nth-child(5) { animation-delay: 380ms; }
@keyframes seqIn {
  to { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   21. 响应式（375 / 768 / 1024 / 1440 四档）
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav__menu { display: none; }         /* 桌面菜单收起，改用抽屉 */
  .nav__toggle { display: block; }
  .nav__actions { margin-left: auto; }   /* 菜单隐藏后由操作区接管右对齐 */
  .hero__inner { grid-template-columns: 1fr; }
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service--wide { grid-column: span 2; }
  .cabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ruyi, .about, .contact, .tabs__panel { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

/* 移动端抽屉：全屏面板，锁滚动 */
@media (max-width: 1080px) {
  .nav__drawer {
    position: fixed;
    inset: 76px 0 auto 0;
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
    z-index: 99;
    padding: var(--sp-4) var(--gutter) var(--sp-5);
    background: rgba(5, 12, 28, 0.97);
    -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                visibility var(--dur-base) var(--ease-out);
  }
  .nav__drawer.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav__drawer { display: block; }
  .nav__drawer a {
    display: block;
    min-height: 52px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-line);
    font-size: var(--fs-18);
  }
  .nav__drawer .btn { margin-top: var(--sp-4); width: 100%; justify-content: center; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .services, .cabs, .why, .flow { grid-template-columns: 1fr; }
  .service--wide { grid-column: span 1; }
  .flow { grid-template-columns: 1fr; }
  .flow__step::before { top: 14px; bottom: -24px; left: 5px; right: auto; width: 1px; height: auto; }
  .flow__step { padding: 0 0 0 28px; margin-bottom: var(--sp-4); }
  .flow__step::after { top: 4px; }
  .form__row { grid-template-columns: 1fr; }
  .hw__row { grid-template-columns: 72px minmax(0, 1fr); }
  .hw__row--head { display: none; }     /* 表头在窄屏无意义，直接隐藏 */
  .hw__thumb { width: 72px; }
  .hw__spec { grid-column: 1 / -1; }
  .hw--matrix .hw__row { grid-template-columns: 1fr; gap: var(--sp-1); align-items: start; }
  .hw--matrix .hw__name { font-size: var(--fs-16); }
  .hw--matrix .hw__k {
    display: inline;
    margin-right: 6px;
    font-size: var(--fs-12);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--color-brand-lt);
    white-space: nowrap;
  }
  .nav__cta { display: none; }          /* 抽屉里已有同款 CTA，避免窄屏拥挤 */
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .brand__sub { display: none; }
  .tabs__media--duo { max-width: 100%; }
}

/* --------------------------------------------------------------------------
   22. 动效降级与打印
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .hero__seq { opacity: 1 !important; transform: none !important; }
  .ticker__track { animation: none; }
  .panel__dot { animation: none; }
}

@media print {
  body { background: #fff; color: #000; }
  .site-header, .to-top, .ticker { display: none; }
}