/* 汇科通讯（HTE）官网 — 科技深蓝主题
 * 主题色集中在 :root，5 分钟可换皮（改 --primary / --accent 即可）
 */

:root {
  /* 主色板：深蓝 + 科技青 + 白底 */
  --primary: #0A2540;
  --primary-700: #061a30;
  --primary-500: #143a66;
  --primary-100: #e8eef5;
  --accent: #1E88E5;
  --accent-700: #1565C0;
  --accent-100: #e3f0fb;

  --bg-soft: #ffffff;
  --bg-deep: #f5f7fa;
  --bg-deeper: #eef2f7;
  --ink: #0a2540;
  --ink-muted: #5a6a82;
  --ink-light: #8a96ad;
  --line: #e1e6ee;
  --line-strong: #c8d1e0;

  --success: #00897B;
  --warning: #ef6c00;
  --danger: #c62828;

  --surface: #ffffff;
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 24px 56px rgba(10, 37, 64, 0.12);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-num: "SF Pro Display", "Helvetica Neue", Arial, sans-serif;

  --nav-h: 68px;
  --section-pad-y: 96px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* ---------- 容器 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 顶部 nav ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}
.site-nav__inner {
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.site-nav__brand svg { height: 28px; width: auto; }
.site-nav__brand-name { font-size: 18px; }
.site-nav__brand-en { font-size: 12px; color: var(--ink-muted); font-weight: 500; letter-spacing: 0.5px; }
.site-nav__brand-text { display: flex; flex-direction: column; line-height: 1.1; }

.site-nav__links {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
}
.site-nav__links a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--ink-muted);
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.site-nav__links a:hover { color: var(--primary); background: var(--primary-100); }
.site-nav__links a.is-active { color: var(--accent); font-weight: 600; }

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  transition: background 0.15s, transform 0.15s;
}
.site-nav__cta:hover { background: var(--accent-700); transform: translateY(-1px); }

/* mobile nav toggle */
.site-nav__toggle {
  display: none;
  background: none;
  border: 0;
  width: 36px; height: 36px;
  cursor: pointer;
  color: var(--primary);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 0 100px;
  background: linear-gradient(180deg, #0A2540 0%, #143a66 60%, #1c4c80 100%);
  color: #fff;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
}
.hero__bg svg { width: 100%; height: 100%; }
.hero__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  z-index: 1;
}
.hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
  background: rgba(30, 136, 229, 0.15);
  border: 1px solid rgba(30, 136, 229, 0.4);
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero__title {
  font-size: 56px;
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 24px;
  max-width: 900px;
}
.hero__title strong {
  color: var(--accent);
  font-weight: 700;
}
.hero__subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  max-width: 720px;
  margin: 0 0 40px;
}
.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-700); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(30, 136, 229, 0.35); }
.btn--ghost { background: rgba(255, 255, 255, 0.08); color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.18); }
.btn--dark { background: var(--primary); color: #fff; }
.btn--dark:hover { background: var(--primary-700); transform: translateY(-2px); }

/* ---------- Section 通用 ---------- */
.section {
  padding: var(--section-pad-y) 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.section.is-revealed { opacity: 1; transform: translateY(0); }
.section--alt { background: var(--bg-deep); }
.section--dark { background: var(--primary); color: #fff; }

.section__header {
  text-align: center;
  margin-bottom: 56px;
}
.section__eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 14px;
  text-transform: uppercase;
  font-weight: 600;
}
.section__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
  letter-spacing: -0.5px;
}
.section--dark .section__title { color: #fff; }
.section__subtitle {
  font-size: 16px;
  color: var(--ink-muted);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}
.section--dark .section__subtitle { color: rgba(255, 255, 255, 0.78); }

/* ---------- 公司简介 ---------- */
.about {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__text p {
  margin: 0 0 18px;
  color: var(--ink-muted);
  line-height: 1.85;
}
.about__text p:first-child { font-size: 18px; color: var(--ink); font-weight: 500; }
.about__kpi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.kpi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.kpi-card__num {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -1px;
}
.kpi-card__unit { font-size: 16px; color: var(--ink-muted); margin-left: 4px; font-weight: 500; }
.kpi-card__label { font-size: 14px; color: var(--ink-muted); margin-top: 10px; }

/* ---------- 主营业务（3 列） ---------- */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.biz-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.biz-card__icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  background: var(--accent-100);
  margin-bottom: 24px;
  color: var(--accent);
}
.biz-card__icon svg { width: 28px; height: 28px; }
.biz-card__title { font-size: 22px; font-weight: 700; color: var(--ink); margin: 0 0 12px; }
.biz-card__desc { font-size: 14px; color: var(--ink-muted); margin: 0; line-height: 1.75; }

/* ---------- 主要产品（2×2） ---------- */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.prod-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.prod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.prod-card__icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--primary-100);
  color: var(--primary);
}
.prod-card__icon svg { width: 30px; height: 30px; }
.prod-card__title { font-size: 18px; font-weight: 700; color: var(--ink); margin: 4px 0 10px; }
.prod-card__items { margin: 0; padding: 0; list-style: none; }
.prod-card__items li {
  font-size: 14px;
  color: var(--ink-muted);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}
.prod-card__items li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 综合实力 ---------- */
.strength-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 48px;
}
.highlight-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-500) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.highlight-card::before {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 136, 229, 0.4) 0%, transparent 70%);
}
.highlight-card__label { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-bottom: 12px; }
.highlight-card__num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1;
}
.highlight-card__num small { font-size: 18px; color: var(--accent); font-weight: 600; margin-left: 10px; }
.highlight-card__desc { font-size: 14px; color: rgba(255, 255, 255, 0.85); margin-top: 14px; line-height: 1.7; }

.kpi-table {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.kpi-table__cell {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.kpi-table__cell-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.kpi-table__cell-num small { font-size: 14px; color: var(--ink-muted); font-weight: 500; margin-left: 4px; }
.kpi-table__cell-label { font-size: 13px; color: var(--ink-muted); margin-top: 8px; }

.market-ranking {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.market-ranking__row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.market-ranking__row:last-child { border-bottom: 0; }
.market-ranking__row--head { background: var(--bg-deep); font-weight: 600; color: var(--ink); font-size: 14px; }
.market-ranking__row--head .market-ranking__rank { color: var(--ink); }
.market-ranking__name { color: var(--ink); font-size: 15px; }
.market-ranking__rank {
  font-weight: 700;
  color: var(--accent);
  font-size: 16px;
}
.market-ranking__note { padding: 14px 28px; font-size: 12px; color: var(--ink-light); background: var(--bg-deep); text-align: right; }

/* ---------- 市场布局 ---------- */
.market-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.market-map svg { width: 100%; height: auto; }
.market-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.market-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.market-block__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 8px;
  display: flex; align-items: center; gap: 8px;
}
.market-block__title::before {
  content: "";
  width: 4px; height: 16px;
  background: var(--accent);
  border-radius: 2px;
}
.market-block__desc { font-size: 13px; color: var(--ink-muted); margin: 0; line-height: 1.7; }
.market-block--wide { grid-column: 1 / -1; }
.market-block--wide .market-block__desc strong { color: var(--ink); }

/* ---------- 市场地位 时间轴 ---------- */
.milestone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.milestone-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.milestone-card:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--accent); transform: translateY(-4px); }
.milestone-card__year {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.milestone-card__title { font-size: 18px; font-weight: 700; color: #fff; margin: 0 0 10px; line-height: 1.4; }
.milestone-card__desc { font-size: 13px; color: rgba(255, 255, 255, 0.65); margin: 0; line-height: 1.7; }

/* ---------- 创新与专利 ---------- */
.innov-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}
.patent-bars { display: flex; flex-direction: column; gap: 14px; }
.patent-bar { display: grid; grid-template-columns: 180px 1fr 70px; align-items: center; gap: 16px; }
.patent-bar__label { font-size: 14px; color: var(--ink); font-weight: 500; }
.patent-bar__track {
  height: 10px;
  background: var(--bg-deeper);
  border-radius: 999px;
  overflow: hidden;
}
.patent-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 999px;
  width: 0;
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.patent-bar.is-revealed .patent-bar__fill { width: var(--w); }
.patent-bar__num { font-family: var(--font-num); font-size: 15px; font-weight: 600; color: var(--accent); text-align: right; }

.patent-summary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  height: fit-content;
}
.patent-summary__row { padding: 14px 0; border-bottom: 1px dashed var(--line); }
.patent-summary__row:last-child { border-bottom: 0; }
.patent-summary__label { font-size: 13px; color: var(--ink-muted); margin-bottom: 4px; }
.patent-summary__value { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--primary); }
.patent-summary__value small { font-size: 14px; color: var(--accent); margin-left: 4px; font-weight: 600; }

/* ---------- 故事 + 全液冷 + 奖项 ---------- */
.story-blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 64px; }
.story-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.story-block__num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.story-block__title { font-size: 18px; font-weight: 700; color: var(--ink); margin: 0 0 14px; line-height: 1.4; }
.story-block__desc { font-size: 14px; color: var(--ink-muted); margin: 0; line-height: 1.85; }

.liquid-cooling {
  background: linear-gradient(135deg, #0A2540 0%, #1c4c80 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
  position: relative;
  overflow: hidden;
}
.liquid-cooling::after {
  content: "";
  position: absolute;
  right: -80px; bottom: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 136, 229, 0.3) 0%, transparent 70%);
}
.liquid-cooling__eyebrow {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}
.liquid-cooling__title { font-size: 28px; font-weight: 700; margin: 0 0 12px; line-height: 1.3; }
.liquid-cooling__lead { font-size: 16px; color: rgba(255, 255, 255, 0.85); margin: 0; }
.liquid-cooling__body p { color: rgba(255, 255, 255, 0.85); margin: 0 0 14px; line-height: 1.85; font-size: 14px; position: relative; z-index: 1; }
.liquid-cooling__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; position: relative; z-index: 1; }
.liquid-cooling__stat { border-top: 2px solid rgba(30, 136, 229, 0.5); padding-top: 12px; }
.liquid-cooling__stat-num { font-family: var(--font-num); font-size: 24px; font-weight: 700; color: var(--accent); }
.liquid-cooling__stat-label { font-size: 12px; color: rgba(255, 255, 255, 0.7); margin-top: 4px; }

.awards-block {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 48px;
}
.awards-block__title { font-size: 22px; font-weight: 700; color: var(--ink); margin: 0 0 8px; text-align: center; }
.awards-block__subtitle { font-size: 14px; color: var(--ink-muted); margin: 0 0 32px; text-align: center; }
.awards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.award-badge {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-size: 14px;
  color: var(--ink);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.5;
}
.award-badge__year { font-family: var(--font-num); font-size: 12px; color: var(--accent); font-weight: 700; flex-shrink: 0; padding-top: 2px; }
.award-badge__name { flex: 1; }

.events-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
}
.events-block__title { font-size: 20px; font-weight: 700; color: var(--ink); margin: 0 0 24px; text-align: center; }
.events-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.event-card {
  text-align: center;
  padding: 24px;
  background: var(--bg-deep);
  border-radius: var(--radius);
}
.event-card__year { font-family: var(--font-num); font-size: 32px; font-weight: 700; color: var(--accent); }
.event-card__name { font-size: 16px; color: var(--ink); margin-top: 6px; font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 32px;
  font-size: 14px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.site-footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.site-footer__brand svg { height: 32px; width: auto; }
.site-footer__brand-name { color: #fff; font-size: 18px; font-weight: 700; }
.site-footer__desc { line-height: 1.8; color: rgba(255, 255, 255, 0.6); max-width: 460px; }
.site-footer__col h4 { color: #fff; font-size: 15px; margin: 0 0 16px; font-weight: 600; }
.site-footer__col p { margin: 0 0 10px; line-height: 1.7; }
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero__title { font-size: 44px; }
  .about, .market-grid, .innov-grid, .liquid-cooling { grid-template-columns: 1fr; gap: 36px; }
  .biz-grid, .milestone-grid, .story-blocks { grid-template-columns: 1fr 1fr; }
  .kpi-table { grid-template-columns: 1fr 1fr; }
  .awards-grid { grid-template-columns: 1fr 1fr; }
  .liquid-cooling { padding: 36px; }
}

@media (max-width: 768px) {
  :root { --section-pad-y: 64px; }
  .hero { padding: calc(var(--nav-h) + 56px) 0 64px; }
  .hero__title { font-size: 32px; }
  .hero__subtitle { font-size: 16px; }
  .section__title { font-size: 26px; }
  .site-nav__links { display: none; }
  .site-nav__cta { display: none; }
  .site-nav__toggle { display: flex; align-items: center; justify-content: center; }
  .site-nav__inner.is-mobile-open .site-nav__links {
    display: flex;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .site-nav__inner.is-mobile-open .site-nav__links a {
    display: block; padding: 14px 24px; border-radius: 0;
  }
  .biz-grid, .prod-grid, .strength-highlight, .milestone-grid, .story-blocks, .market-blocks, .events-grid { grid-template-columns: 1fr; }
  .kpi-table { grid-template-columns: 1fr 1fr; gap: 16px; }
  .about__kpi { grid-template-columns: 1fr 1fr; gap: 16px; }
  .awards-grid { grid-template-columns: 1fr; }
  .patent-bar { grid-template-columns: 100px 1fr 60px; gap: 12px; }
  .patent-bar__label { font-size: 12px; }
  .liquid-cooling { padding: 28px; }
  .liquid-cooling__stats { grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
  .liquid-cooling__title { font-size: 22px; }
  .market-ranking__row { grid-template-columns: 1.2fr 1fr; padding: 14px 18px; font-size: 13px; }
  .events-block, .awards-block { padding: 28px 20px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 28px; }
}