/* ==========================================================================
   悍力鼎科技 HLDING — 官网样式
   深空藏蓝 × 盾形金
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* 底色层次 */
  --ink-950: #050911;
  --ink-900: #070D1B;
  --ink-850: #0A1122;
  --ink-800: #0D1526;
  --card: #0F1A31;
  --panel: #0E1930;
  --field: #070D1B;

  /* 金 */
  --gold: #C8A24A;
  --gold-bright: #E3C77B;

  /* 文字 */
  --text-1: #F4F7FB;
  --text-2: #A7B3C8;
  --text-3: #6B7A94;
  --text-4: #8E9BB3;
  --text-on-card: #C2CAD9;

  /* 线 */
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.08);

  /* 尺寸 */
  --radius: 6px;
  --radius-sm: 4px;
  /* 设计稿内容宽 1080px + 左右各 24px 内边距 → 视口 1440 时正好两侧留白 180px */
  --container: 1128px;
  --header-h: 84px;

  /* 字体 */
  --serif: "Noto Serif SC", "Source Han Serif CN", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink-850);
  color: var(--text-1);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0; font-family: var(--serif); font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, textarea { font: inherit; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 104px; }
.section--tight { padding-block: 88px; }

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 1px;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.btn--gold {
  padding: 16px 34px;
  font-size: 15px;
  background: var(--gold);
  color: var(--ink-850);
}
.btn--gold:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(200, 162, 74, 0.28);
}

.btn--ghost {
  padding: 16px 34px;
  font-size: 15px;
  font-weight: 400;
  color: var(--gold-bright);
  border: 1px solid rgba(200, 162, 74, 0.45);
}
.btn--ghost:hover {
  background: rgba(200, 162, 74, 0.1);
  border-color: var(--gold);
}

.btn--lg { padding: 17px 38px; font-size: 16px; }
.btn--sm { padding: 11px 26px; font-size: 14px; }
.btn--block { width: 100%; padding: 16px 36px; font-size: 15px; }

/* ---------- 5. Eyebrow / headings ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.6px;
  color: var(--gold);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold);
  flex: none;
}
.eyebrow--bare::before { display: none; }

.sec-head { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }

.sec-title { font-size: 38px; line-height: 54px; letter-spacing: 1.3px; color: var(--text-1); }
.sec-title--lg { font-size: 40px; line-height: 58px; letter-spacing: 1.5px; }
.sec-title--md { font-size: 36px; line-height: 52px; letter-spacing: 1.2px; }
.sec-title--sm { font-size: 32px; line-height: 48px; letter-spacing: 1.2px; }

.sec-sub { font-size: 16px; line-height: 30px; color: var(--text-2); max-width: 860px; }
.sec-sub--sm { font-size: 15px; line-height: 28px; color: #8E9BB3; }

.center { text-align: center; align-items: center; }

/* ==========================================================================
   6. Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 13, 27, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; }
.brand-mark svg,
.brand-mark img { width: 26px; height: 30px; display: block; }
.brand-text { display: flex; flex-direction: column; gap: 3px; }
.brand-cn { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 1.5px; color: var(--text-1); line-height: 1; }
.brand-en { font-size: 9px; font-weight: 500; letter-spacing: 3.6px; color: var(--gold); line-height: 1; }

.main-nav { display: flex; align-items: center; gap: 42px; }
.main-nav a {
  font-size: 15px;
  color: var(--text-2);
  transition: color .2s var(--ease);
  position: relative;
}
.main-nav a:hover { color: var(--text-1); }
.main-nav a.is-active { color: var(--text-1); font-weight: 500; }
.main-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--gold);
}

.header-actions { display: flex; align-items: center; gap: 24px; flex: none; }

.hotline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.6px;
  color: #E3C77B;
  transition: color .2s var(--ease);
}
.hotline:hover { color: var(--gold-bright); }
.hotline svg { width: 16px; height: 16px; flex: none; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-1);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text-1);
  transition: transform .25s var(--ease), top .25s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }

/* ==========================================================================
   7. Hero (首页)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 780px;
  background: var(--ink-850);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.glow { position: absolute; border-radius: 50%; pointer-events: none; }
.glow--gold {
  width: 780px; height: 780px;
  left: calc(50% + 90px); top: -180px;
  background: radial-gradient(circle at 50% 50%,
    rgba(199, 163, 74, 0.26) 0%, rgba(199, 163, 74, 0.05) 50%, rgba(199, 163, 74, 0) 100%);
}
.glow--navy {
  width: 900px; height: 900px;
  left: calc(50% - 1020px); top: 300px;
  background: radial-gradient(circle at 50% 50%,
    rgba(46, 107, 209, 0.22) 0%, rgba(46, 107, 209, 0) 100%);
}

.hero-shield {
  position: absolute;
  width: 620px; height: 620px;
  left: calc(50% + 80px); top: 90px;
  pointer-events: none;
}
.hero-shield svg { width: 100%; height: 100%; display: block; }

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, #000 30%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-copy { flex: 1 1 520px; max-width: 520px; display: flex; flex-direction: column; gap: 26px; }

.hero-title {
  font-size: 48px;
  line-height: 66px;
  letter-spacing: 2px;
  color: var(--text-1);
}
.hero-title em { font-style: normal; color: var(--gold-bright); }

.hero-sub { font-size: 17px; line-height: 32px; color: var(--text-2); }

.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.hero-visual { flex: 0 0 512px; max-width: 512px; position: relative; }
.hero-visual img { width: 100%; height: auto; }

.hero-float {
  position: absolute;
  left: -48px;
  bottom: -26px;
  width: 316px;
  padding: 16px 22px;
  border-radius: var(--radius);
  background: rgba(13, 23, 46, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-float .k { font-size: 12px; font-weight: 500; letter-spacing: 2.4px; color: var(--gold); }
.hero-float .v { font-size: 14px; line-height: 22px; color: var(--text-1); }

/* ==========================================================================
   8. Stats band
   ========================================================================== */
.stats { background: var(--ink-800); padding-block: 52px; }
.stats-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.stat { display: flex; flex-direction: column; gap: 8px; }
.stat-top { display: flex; align-items: baseline; gap: 8px; }
.stat-num { font-family: var(--serif); font-weight: 700; font-size: 46px; letter-spacing: 1px; color: var(--gold-bright); line-height: 1; }
.stat-unit { font-size: 15px; color: var(--text-2); }
.stat-desc { font-size: 13px; letter-spacing: 0.8px; color: var(--text-3); }

.stat-divider { width: 1px; height: 60px; background: rgba(255, 255, 255, 0.09); flex: none; }

/* ==========================================================================
   9. Cards (通用)
   ========================================================================== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* 痛点卡 */
.pain {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid transparent;
}
.pain:hover { background: #12203A; transform: translateY(-3px); border-color: rgba(200, 162, 74, 0.22); }
.pain-num { font-family: var(--serif); font-weight: 700; font-size: 16px; letter-spacing: 4px; color: var(--gold); }
.pain-tag { font-size: 11px; font-weight: 500; letter-spacing: 2.4px; color: var(--text-3); }
.pain-title { font-family: var(--serif); font-weight: 700; font-size: 21px; letter-spacing: 1px; color: #E4EAF4; }
.pain-text { font-size: 15px; line-height: 27px; color: var(--text-4); }

/* 分节条 */
.divider-row { display: flex; align-items: center; gap: 20px; }
.divider-row::before,
.divider-row::after { content: ""; flex: 1; height: 1px; background: rgba(255, 255, 255, 0.09); }
.divider-label { font-size: 12px; font-weight: 500; letter-spacing: 3.4px; color: var(--gold); white-space: nowrap; }

/* 流程卡 */
.step {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid transparent;
}
.step:hover { background: #12203A; transform: translateY(-3px); border-color: rgba(200, 162, 74, 0.22); }
.step-badge {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(199, 163, 74, 0.12);
  display: grid; place-items: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--gold-bright);
}
.step-title { font-family: var(--serif); font-weight: 700; font-size: 18px; letter-spacing: 1px; color: var(--text-1); }
.step-text { font-size: 14px; line-height: 26px; color: var(--text-4); }

/* ==========================================================================
   10. Capability rows
   ========================================================================== */
.cap-list { display: flex; flex-direction: column; gap: 80px; }

.cap-row { display: flex; align-items: center; gap: 60px; }
.cap-row--reverse { flex-direction: row-reverse; }

.cap-media {
  flex: 0 0 500px;
  height: 333px;
  border-radius: var(--radius);
  background: var(--panel);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.cap-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%,
    rgba(184, 212, 245, 0.26) 0%, rgba(184, 212, 245, 0.08) 50%, rgba(184, 212, 245, 0) 100%);
  pointer-events: none;
}
.cap-media img { position: relative; z-index: 1; width: 92%; height: 92%; object-fit: contain; }

.cap-body { flex: 1 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.cap-title { font-size: 28px; line-height: 40px; letter-spacing: 1px; color: var(--text-1); }
.cap-text { font-size: 16px; line-height: 30px; color: var(--text-2); }
.cap-points { display: flex; flex-direction: column; gap: 10px; margin-top: 2px; }
.cap-point { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 26px; color: var(--text-on-card); }
.cap-point::before {
  content: "";
  flex: none;
  width: 4px; height: 4px;
  margin-top: 11px;
  border-radius: 50%;
  background: var(--gold);
}

/* ==========================================================================
   11. Product grid
   ========================================================================== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-grid--2 { grid-template-columns: repeat(2, 1fr); gap: 28px; }

.product {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.product:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 162, 74, 0.28);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.35);
}

.product-media {
  position: relative;
  height: 229px;
  background: var(--panel);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex: none;
}
.product-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%,
    rgba(184, 212, 245, 0.26) 0%, rgba(184, 212, 245, 0.08) 50%, rgba(184, 212, 245, 0) 100%);
  pointer-events: none;
}
.product-media img { position: relative; z-index: 1; width: 88%; height: 88%; object-fit: contain; transition: transform .45s var(--ease); }
.product:hover .product-media img { transform: scale(1.03); }

.product-body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-tag { font-size: 11px; font-weight: 500; letter-spacing: 2.4px; color: var(--gold); }
.product-title { font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 30px; letter-spacing: 0.5px; color: var(--text-1); }
.product-text { font-size: 13px; line-height: 24px; color: var(--text-4); }

/* 产品中心大卡 */
.product--lg .product-media { height: 351px; }
.product--lg .product-body { padding: 26px 26px 30px; gap: 12px; }
.product--lg .product-title { font-size: 21px; line-height: 32px; }
.product--lg .product-text { font-size: 14px; line-height: 26px; }
.product-spec { margin-top: auto; padding-top: 20px; }
.product-spec hr { border: 0; border-top: 1px solid rgba(255, 255, 255, 0.08); margin: 0 0 12px; }
.product-meta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 12px; color: var(--text-2); }

/* ==========================================================================
   12. CTA
   ========================================================================== */
.cta {
  position: relative;
  background: var(--ink-850);
  padding-block: 128px;
  overflow: hidden;
  text-align: center;
}
.cta-glow {
  position: absolute;
  width: 1000px; height: 700px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 50% 50%,
    rgba(199, 163, 74, 0.18) 0%, rgba(199, 163, 74, 0) 100%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 30px; }
.cta .eyebrow { letter-spacing: 3px; }
.cta-title { font-size: 60px; line-height: 84px; letter-spacing: 8px; color: var(--gold-bright); }
.cta-sub { font-size: 17px; line-height: 32px; color: var(--text-2); max-width: 760px; }
.cta-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; }
.cta-note { font-size: 13px; letter-spacing: 0.5px; color: var(--text-3); }

/* ==========================================================================
   13. Sub-page hero
   ========================================================================== */
.page-hero {
  position: relative;
  padding-block: 120px 80px;
  text-align: center;
  overflow: hidden;
  background: var(--ink-850);
}
.page-hero--products { padding-block: 96px 88px; }
.page-hero--about { padding-bottom: 96px; }
.page-hero-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.page-hero .eyebrow { letter-spacing: 4px; }
.page-title { font-size: 56px; line-height: 80px; letter-spacing: 3px; color: var(--text-1); }
.page-title--sm { font-size: 48px; line-height: 68px; letter-spacing: 2px; }
.page-sub { font-size: 16px; line-height: 30px; color: var(--text-2); max-width: 720px; }
.page-sub--gold { font-family: var(--serif); font-size: 18px; letter-spacing: 2px; color: var(--gold); line-height: 1.6; }

/* ==========================================================================
   14. About
   ========================================================================== */
.about-intro { padding-block: 0 88px; text-align: center; }
.about-intro p { font-size: 16px; line-height: 32px; color: var(--text-2); max-width: 800px; margin-inline: auto; }

/* 关于我们长文内容 */
.about-story { padding-block: 96px; background: var(--ink-900); }
.about-story-inner { max-width: 900px; }
.story-block + .story-block { margin-top: 64px; padding-top: 56px; border-top: 1px solid var(--line); }
.story-heading {
  position: relative;
  padding-left: 18px;
  font-size: 28px;
  line-height: 40px;
  letter-spacing: 1px;
  color: var(--text-1);
}
.story-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 3px;
  height: 24px;
  background: var(--gold);
}
.story-text { margin-top: 20px; font-size: 16px; line-height: 32px; color: var(--text-2); }
.story-text strong { color: var(--gold-bright); font-weight: 500; }
.story-points { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.story-points li {
  position: relative;
  padding: 12px 18px 12px 34px;
  font-size: 15px;
  line-height: 28px;
  color: var(--text-2);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.story-points li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 162, 74, 0.12);
}
.story-points strong { margin-right: 10px; color: var(--text-1); font-weight: 500; }
.story-note { margin-top: 20px; font-family: var(--serif); font-size: 18px; line-height: 32px; color: var(--gold-bright); }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.value-card:hover { transform: translateY(-3px); border-color: rgba(200, 162, 74, 0.22); }
.value-num { font-family: var(--serif); font-weight: 700; font-size: 18px; letter-spacing: 2px; color: var(--gold); }
.value-title { font-family: var(--serif); font-weight: 700; font-size: 22px; letter-spacing: 1px; color: var(--text-1); }
.value-text { font-size: 14px; line-height: 26px; color: var(--text-4); }

.quote-block { padding-block: 64px 120px; text-align: center; }
.quote-bar { width: 48px; height: 2px; background: var(--gold); margin: 0 auto 16px; }
.quote-text { font-size: 40px; letter-spacing: 6px; color: var(--gold-bright); line-height: 1.5; }

/* ==========================================================================
   15. Honors
   ========================================================================== */
.honors-patents { padding-block: 16px 88px; }
.honors-section-head { margin-bottom: 40px; }
.patent-group + .patent-group { margin-top: 64px; }
.patent-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.patent-group-title { font-size: 24px; line-height: 1.5; letter-spacing: 1px; }
.patent-group-label { font-size: 12px; letter-spacing: 1.5px; color: var(--text-4); }
.patent-media {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 4;
  padding: 16px;
  background: #eeede7;
  border-radius: var(--radius-sm);
}
.patent-media img { width: 100%; height: auto; max-height: 100%; min-height: 0; object-fit: contain; }
.patent-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.patent-grid--featured { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.patent-card { min-width: 0; margin: 0; padding: 10px 10px 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.patent-card--featured { padding: 14px 14px 0; border-color: rgba(200, 162, 74, 0.35); background: linear-gradient(135deg, rgba(200, 162, 74, 0.06), transparent 75%), var(--card); }
.patent-card--featured .patent-media { padding: 24px; }
.patent-card-caption { padding: 20px 10px 24px; }
.patent-type { display: block; margin-bottom: 8px; font-size: 12px; letter-spacing: 2px; color: var(--gold); }
.patent-card-title { font-size: 18px; line-height: 1.65; }
.patent-card--featured .patent-card-title { font-size: 23px; }
.honors-overview { padding-block: 80px; background: var(--ink-900); border-block: 1px solid var(--line); }
.honors-collage { margin: 0; padding: 32px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.honors-collage-image { padding: 12px; background: #fff; border-radius: var(--radius-sm); }
.honors-collage-image img { width: 100%; height: auto; object-fit: contain; }
.honors-collage figcaption { padding-top: 20px; text-align: center; color: var(--text-4); font-size: 13px; }
.honors-awards { padding-block: 88px 104px; }
.honors-awards-inner { display: flex; flex-direction: column; gap: 24px; }

@media (max-width: 1024px) {
  .patent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .patent-grid { gap: 24px; }
  .patent-card-caption { padding-inline: 4px; }
  .patent-card--featured .patent-card-title { font-size: 21px; }
  .honors-overview { padding-block: 64px; }
}

@media (max-width: 720px) {
  .patent-grid { grid-template-columns: minmax(0, 1fr); max-width: 540px; margin-inline: auto; }
  .patent-media { aspect-ratio: auto; }
}

@media (max-width: 600px) {
  .honors-patents { padding-block: 8px 64px; }
  .honors-section-head { margin-bottom: 28px; }
  .patent-group + .patent-group { margin-top: 48px; }
  .patent-group-head { margin-bottom: 24px; padding-bottom: 16px; }
  .patent-card--featured .patent-media { padding: 16px; }
  .patent-card-caption { padding-block: 20px; }
  .honors-collage { padding: 16px; }
  .honors-collage-image { padding: 6px; }
  .honors-awards { padding-block: 64px 72px; }
}

.award-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid transparent;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.award-card:hover { transform: translateY(-3px); border-color: rgba(200, 162, 74, 0.22); }
.award-title { font-family: var(--serif); font-weight: 700; font-size: 20px; letter-spacing: 0.5px; color: var(--text-1); }
.award-text { font-size: 14px; line-height: 26px; color: var(--text-4); }

/* ==========================================================================
   16. Contact
   ========================================================================== */
.contact-grid { display: flex; gap: 64px; padding-block: 24px 120px; align-items: flex-start; }
.contact-info { flex: 0 0 520px; display: flex; flex-direction: column; gap: 32px; }

.info-block { display: flex; flex-direction: column; gap: 8px; }
.info-label { font-size: 11px; font-weight: 500; letter-spacing: 2.4px; color: var(--gold); }
.info-value { font-family: var(--serif); font-weight: 700; font-size: 32px; letter-spacing: 1px; color: var(--gold-bright); }
.info-value--sans { font-family: var(--sans); font-weight: 500; font-size: 22px; letter-spacing: 0.5px; color: var(--text-1); }
.info-value--addr { font-family: var(--sans); font-weight: 400; font-size: 17px; line-height: 28px; letter-spacing: 0; color: var(--text-1); }
.info-note { font-size: 13px; color: var(--text-3); }

/* 手机号一键复制 */
.phone-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.copy-phone {
  flex: none;
  padding: 4px 9px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--gold);
  background: rgba(200, 162, 74, 0.08);
  border: 1px solid rgba(200, 162, 74, 0.32);
  border-radius: 999px;
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.copy-phone:hover { color: var(--gold-bright); background: rgba(200, 162, 74, 0.16); border-color: rgba(200, 162, 74, 0.55); }
.copy-phone.is-copied { color: var(--text-1); background: rgba(200, 162, 74, 0.22); border-color: var(--gold); }

.contact-card {
  scroll-margin-top: calc(var(--header-h) + 24px);
  flex: 1 1 auto;
  min-width: 0;
  background: var(--card);
  border-radius: var(--radius);
  padding: 36px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.contact-card h2 { font-size: 24px; letter-spacing: 1px; color: var(--text-1); }
.contact-card .lead { font-size: 13px; line-height: 24px; color: var(--text-4); }

#contactForm { display: flex; flex-direction: column; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 12px; font-weight: 500; letter-spacing: 1.4px; color: var(--text-2); }
.field input,
.field textarea {
  width: 100%;
  background: var(--field);
  color: var(--text-1);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  line-height: 20px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.field input { height: 44px; padding-block: 0; }
.field textarea { min-height: 110px; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: #4C5872; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--gold); background: #0A1224; }
.field.has-error input,
.field.has-error textarea { border-color: #C4553F; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-hint { font-size: 12px; color: #C4553F; min-height: 18px; }
.form-ok {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(200, 162, 74, 0.12);
  border: 1px solid rgba(200, 162, 74, 0.4);
  font-size: 14px;
  color: var(--gold-bright);
}
.form-ok.is-visible { display: flex; }

/* ==========================================================================
   17. Footer
   ========================================================================== */
.site-footer { background: var(--ink-950); padding-block: 80px 40px; }
.footer-top { display: flex; justify-content: space-between; gap: 64px; padding-bottom: 56px; }

.footer-brand { flex: 0 0 360px; display: flex; flex-direction: column; gap: 22px; }
.footer-brand-row { display: flex; align-items: baseline; gap: 8px; }
.footer-brand-cn { font-family: var(--serif); font-weight: 700; font-size: 17px; letter-spacing: 1.5px; color: var(--text-1); }
.footer-brand-en { font-size: 9px; font-weight: 500; letter-spacing: 3.6px; color: var(--gold); }
.footer-slogan { font-family: var(--serif); font-weight: 500; font-size: 16px; letter-spacing: 2px; color: var(--gold); }
.footer-desc { font-size: 13px; line-height: 26px; color: var(--text-3); }

.footer-col { display: flex; flex-direction: column; gap: 14px; }
.footer-col h3 { font-family: var(--sans); font-weight: 500; font-size: 13px; letter-spacing: 2.4px; color: var(--gold); }
.footer-col a,
.footer-col span { font-size: 14px; line-height: 26px; color: var(--text-2); transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--gold-bright); }
.footer-col--contact { flex: 0 0 260px; }
.footer-col--contact .strong { font-size: 15px; font-weight: 500; letter-spacing: 0.5px; color: var(--text-1); }
.footer-col--contact .addr { font-size: 13px; line-height: 22px; color: var(--text-3); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; letter-spacing: 0.5px; color: var(--text-3); }
.footer-beian { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; letter-spacing: 0.5px; color: var(--text-3); }

/* ==========================================================================
   18. Reveal animation
   ========================================================================== */
/* 仅在 JS 可用时启用进入动画：脚本被禁用时内容依然完整可见 */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
html.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html.js [data-reveal] { opacity: 1; transform: none; }
}

/* ==========================================================================
   19. Responsive
   ========================================================================== */
@media (max-width: 1300px) {
  .glow--gold { left: auto; right: -180px; }
  .hero-shield { left: auto; right: -60px; }
}

@media (max-width: 1180px) {
  .hero-float { left: 0; bottom: -20px; }
}

@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink-900);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .main-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .main-nav a { padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
  .main-nav a.is-active::after { display: none; }
  .main-nav a.is-active { color: var(--gold-bright); }
  .nav-toggle { display: grid; }
  .hotline { display: none; }

  .hero { min-height: 0; padding-block: 64px 72px; }
  .hero-inner { flex-direction: column; align-items: stretch; gap: 56px; }
  .hero-copy { flex: none; max-width: none; }
  .hero-visual { flex: none; max-width: 512px; width: 100%; margin-inline: auto; }

  .cap-row,
  .cap-row--reverse { flex-direction: column; align-items: stretch; gap: 32px; }
  .cap-media { flex: none; width: 100%; height: auto; aspect-ratio: 3 / 2; }
  .cap-body { flex: none; }

  .stats-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .stat-divider { display: none; }

  .product-grid--2 { grid-template-columns: 1fr; }

  .contact-grid { flex-direction: column; gap: 40px; }
  .contact-info { flex: none; }

  .footer-top { flex-wrap: wrap; gap: 48px; }
  .footer-brand { flex: 1 1 100%; }
}

@media (max-width: 860px) {
  /* 窄屏取消设计稿中的强制断行，交给浏览器自然换行 */
  .br-lg { display: none; }

  .section { padding-block: 72px; }
  .grid-3, .grid-4, .value-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }

  .hero-title { font-size: 36px; line-height: 50px; letter-spacing: 1px; }
  .hero-sub { font-size: 16px; line-height: 30px; }
  .hero-float { position: static; width: 100%; margin-top: 20px; }

  .sec-title, .sec-title--lg { font-size: 30px; line-height: 44px; }
  .sec-title--md, .sec-title--sm { font-size: 28px; line-height: 42px; }
  .cap-title { font-size: 24px; line-height: 36px; }

  .page-hero { padding-block: 72px 56px; }
  .page-title { font-size: 38px; line-height: 56px; letter-spacing: 2px; }
  .page-title--sm { font-size: 34px; line-height: 50px; }
  .page-sub--gold { font-size: 16px; }

  .cta { padding-block: 80px; }
  .cta-title { font-size: 36px; line-height: 54px; letter-spacing: 4px; }
  .cta-sub { font-size: 16px; line-height: 30px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .btn { width: 100%; }

  .quote-text { font-size: 28px; letter-spacing: 4px; }

  .about-intro p { font-size: 15px; line-height: 30px; }
  .about-story { padding-block: 72px; }
  .story-block + .story-block { margin-top: 48px; padding-top: 44px; }
  .story-heading { font-size: 24px; line-height: 36px; }
  .story-heading::before { top: 6px; height: 22px; }
  .story-text { font-size: 15px; line-height: 30px; }
  .story-points li { padding: 11px 16px 11px 32px; font-size: 14px; }
  .story-points li::before { left: 14px; top: 19px; }
}

@media (max-width: 600px) {
  .container { padding-inline: 20px; }
  .product-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat-num { font-size: 38px; }
  .hero-title { font-size: 30px; line-height: 44px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .field-row { grid-template-columns: 1fr; }
  .info-value { font-size: 26px; }
  .contact-card { padding: 28px 22px 32px; }
  .footer-top { gap: 36px; }
}

@media (max-width: 360px) {
  .header-inner,
  .header-actions { gap: 8px; }
}