/* ==========================================================================
   河北宇之星 · 站点样式表
   设计语言：精密工程 / Engineered Precision
   基色：景泰蓝（主色）+ 中国红（强调）+ 爱马仕橙（操作）
   ========================================================================== */

/* ---------- 1. 基础变量 ---------- */
:root {
  /* 景泰蓝体系：从深到浅 */
  --ink:        #1A2340;   /* 深景泰蓝·正文与深色底 */
  --ink-2:      #1B3F8B;   /* 景泰蓝主色·深色面板/页脚/hero */
  --ink-3:      #2C5AAB;   /* 景泰蓝亮·标题辅助 */
  --paper:      #F7F8FB;   /* 冷白底 */
  --paper-2:    #EFF1F6;
  --paper-3:    #E3E6EE;
  --line:       #D5DAE4;
  --line-soft:  #E5E9F0;
  --muted:      #3D4654;   /* 加深·次要文字 */
  --muted-2:    #6B7488;   /* 加深·辅助文字 */
  /* 景泰蓝·信息色：链接、标签、编号 */
  --accent:     #1B4FA0;
  --accent-2:   #2D63B8;
  --accent-soft:#EAF1F8;
  /* 中国红·强调色：关键标记、数值、选区 */
  --red:        #C8161D;
  --red-2:      #DE1F26;
  --red-soft:   #FBEDF0;
  /* 爱马仕橙·操作色：按钮、行动号召 */
  --cta:        #E66A1C;
  --cta-2:      #F47E2A;
  --cta-soft:   #FCEDE3;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  --max:  1320px;
  --pad:  clamp(20px, 4.5vw, 56px);
  --gap:  clamp(72px, 9vw, 132px);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* 仅供读屏与搜索引擎读取，不占版面 */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

::selection { background: var(--red); color: #fff; }

/* ---------- 2. 排版原子 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .5;
}
.eyebrow.plain::before { display: none; }

.display {
  font-size: clamp(38px, 6.4vw, 92px);
  line-height: .98;
  letter-spacing: -.045em;
  font-weight: 700;
  margin: 0;
}

.h2 {
  font-size: clamp(28px, 3.6vw, 50px);
  line-height: 1.08;
  letter-spacing: -.032em;
  font-weight: 700;
  margin: 0;
}

.h3 {
  font-size: clamp(19px, 1.6vw, 23px);
  line-height: 1.35;
  letter-spacing: -.018em;
  font-weight: 650;
  margin: 0;
}

.lead {
  font-size: clamp(15.5px, 1.15vw, 18px);
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
  max-width: 62ch;
}

.small { font-size: 15px; line-height: 1.7; color: var(--muted); }

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

/* ---------- 3. 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .4s var(--ease), border-color .4s var(--ease),
              backdrop-filter .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-solid {
  background: rgba(247, 248, 251, .88);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--line);
}
/* 顶部信息条：滚动后随 is-solid 收缩隐藏 */
.topbar {
  height: 34px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: var(--ink);
  transition: height .35s var(--ease);
}
.nav.is-solid .topbar { height: 0; }
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: rgba(255,255,255,.42);
}
.topbar-loc { text-transform: uppercase; }
.topbar-links { display: flex; gap: 10px; letter-spacing: .04em; align-items: center; }
.topbar-tel, .topbar-mail { white-space: nowrap; }
.topbar-sep { opacity: .4; }

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 74px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 11px;
  flex-shrink: 0;
  color: #fff;
  transition: color .4s var(--ease);
}
.nav.is-solid .brand { color: var(--ink); }

.brand-cn {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .06em;
}
.brand-en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .26em;
  opacity: .55;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, .72);
  transition: color .25s var(--ease);
  border-radius: 4px;
}
.nav.is-solid .nav-links a { color: var(--muted); }
.nav-links a:hover,
.nav-links a.is-active { color: #fff; }
.nav.is-solid .nav-links a:hover,
.nav.is-solid .nav-links a.is-active { color: var(--ink); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 1px;
  background: currentColor;
  opacity: .55;
}

/* ---------- 语言切换按钮 ---------- */
.lang-switch {
  margin-left: 10px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .06em;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 2px;
  background: transparent;
  color: rgba(255, 255, 255, .8);
  cursor: pointer;
  transition: all .28s var(--ease);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.lang-switch:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}
.nav.is-solid .lang-switch {
  border-color: var(--line);
  color: var(--muted);
}
.nav.is-solid .lang-switch:hover {
  background: var(--paper-2);
  border-color: var(--ink-3);
  color: var(--ink);
}
.lang-switch-mobile {
  display: block;
  padding: 14px 24px !important;
  font-size: 15px !important;
  font-weight: 600;
  color: var(--accent) !important;
  border-top: 1px solid var(--line);
  margin-top: 12px;
}

/* ---------- 导航下拉菜单 ---------- */
.nav-item {
  position: relative;
}
.nav-item > a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, .72);
  transition: color .25s var(--ease);
  border-radius: 4px;
  cursor: pointer;
}
.nav.is-solid .nav-item > a { color: var(--muted); }
.nav-item > a:hover,
.nav-item.is-active > a { color: #fff; }
.nav.is-solid .nav-item > a:hover,
.nav.is-solid .nav-item.is-active > a { color: var(--ink); }
.nav-item.is-active > a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 1px;
  background: currentColor;
  opacity: .55;
}
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 12px 32px -8px rgba(26,35,64,.22);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  z-index: 200;
}
.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--ink-3);
  transition: all .2s var(--ease);
  border-left: 2px solid transparent;
}
.nav-dropdown a:hover {
  color: var(--accent);
  background: var(--paper-2);
  border-left-color: var(--cta);
  padding-left: 22px;
}

/* 公安备案图标 */
.f-ga {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted-2);
  font-size: 12px;
  font-family: var(--font-mono);
}
.f-ga:hover { color: var(--accent); }
.ga-badge {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--muted-2);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4z' fill='black'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4z' fill='black'/%3E%3C/svg%3E") center/contain no-repeat;
}
.f-ga:hover .ga-badge { background: var(--accent); }

.nav-cta {
  margin-left: 14px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 2px;
  color: #fff;
  transition: .28s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover { background: #fff; color: var(--ink); border-color: #fff; }
.nav.is-solid .nav-cta { border-color: var(--ink); color: var(--ink); }
.nav.is-solid .nav-cta:hover { background: var(--ink); color: var(--paper); }

.nav-burger {
  display: none;
  margin-left: auto;
  width: 40px; height: 40px;
  background: none; border: 0; padding: 0;
  position: relative;
}
.nav-burger span {
  position: absolute; left: 9px; right: 9px; height: 1.5px;
  background: #fff; transition: .3s var(--ease);
}
.nav-burger span:nth-child(1) { top: 15px; }
.nav-burger span:nth-child(2) { top: 24px; }
.nav.is-solid .nav-burger span { background: var(--ink); }
.nav-burger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 74px 0 auto 0;
  z-index: 99;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 14px var(--pad) 26px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: .32s var(--ease);
}
.mobile-menu.is-open { transform: none; opacity: 1; pointer-events: auto; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 17px;
  font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}

/* ---------- 4. 首屏 ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--ink);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 96px 0 0;
  overflow: hidden;
  isolation: isolate;
}
.hero > .wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
/* 极细网格 + 径向光晕 */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 95% 75% at 50% 32%, #000 18%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 95% 75% at 50% 32%, #000 18%, transparent 76%);
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute;
  width: 900px; height: 900px;
  right: -18%; top: -22%;
  background: radial-gradient(circle, rgba(27,79,160,.26), transparent 62%);
  filter: blur(20px);
  z-index: -1;
}

.hero-top {
  position: absolute;
  top: 118px; left: 0; right: 0;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.hero-body {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .74fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  flex: 1;
  padding: clamp(34px, 4vw, 56px) 0;
}

.hero-title {
  font-size: clamp(40px, 5.9vw, 82px);
  line-height: 1.1;
  letter-spacing: -.04em;
  font-weight: 700;
  margin: 0 0 28px;
}
.hero-title span { display: block; }
.hero-title em {
  font-style: normal;
  color: var(--accent-2);
}
.hero-title .thin {
  font-weight: 400;
  color: rgba(255,255,255,.55);
}

.hero-sub {
  font-size: clamp(14.5px, 1.15vw, 17px);
  line-height: 1.75;
  color: rgba(255,255,255,.62);
  max-width: 46ch;
  margin: 0 0 34px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: .28s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--cta); color: #fff; }
.btn-primary:hover { background: var(--cta-2); transform: translateY(-2px); }
.btn-ghost {
  border-color: rgba(255,255,255,.26);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.5); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: var(--ink-3); transform: translateY(-2px); }
.btn-line { border-color: var(--line); color: var(--ink); }
.btn-line:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

/* 首屏产品浮卡 */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}
.hero-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: #fff;
  color: var(--ink);
  border-radius: 3px;
  padding: 30px 30px 22px;
  box-shadow: 0 34px 78px -22px rgba(0,0,0,.7);
}
.hero-card img {
  width: 100%;
  height: clamp(190px, 20vw, 268px);
  object-fit: contain;
  margin-bottom: 18px;
}
.hero-card .tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.hero-card .tag b { font-size: 14px; letter-spacing: -.01em; }
.hero-card .tag span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* 首屏底部指标条 */
.hero-stats {
  border-top: 1px solid rgba(255,255,255,.1);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero-stats div {
  padding: 24px 0 38px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.hero-stats div:last-child { border-right: 0; }
.hero-stats b {
  display: block;
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: 7px;
}
.hero-stats span {
  font-size: 12px;
  color: rgba(255,255,255,.45);
  letter-spacing: .04em;
}

.scroll-hint {
  position: absolute;
  left: var(--pad);
  bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
}
.scroll-hint i {
  width: 1px; height: 34px;
  background: linear-gradient(rgba(255,255,255,.5), transparent);
  display: block;
  animation: hint 2.4s var(--ease) infinite;
}
@keyframes hint {
  0%, 100% { transform: scaleY(.35); transform-origin: top; opacity: .4; }
  50%      { transform: scaleY(1);   transform-origin: top; opacity: 1; }
}

/* ---------- 5. 区块骨架 ---------- */
.section { padding: var(--gap) 0; }
.section.tight { padding: calc(var(--gap) * .62) 0; }
.section.dark {
  background: var(--ink);
  color: #fff;
}
.section.dark .lead { color: rgba(255,255,255,.72); }
.section.dark .eyebrow { color: rgba(255,255,255,.6); }
.section.paper2 { background: var(--paper-2); }

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  gap: clamp(24px, 5vw, 90px);
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
}
.section.dark .sec-head { border-bottom-color: rgba(255,255,255,.14); }
.sec-head .h2 { margin-top: 16px; }
.sec-head .lead { padding-bottom: 4px; }

/* ---------- 6. 产品网格 ---------- */
/* 网格线由卡片自身描边绘制：末行留白不会出现整块底色 */
.p-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  --grid-line: var(--line);
  border-top: 1px solid var(--grid-line);
  border-left: 1px solid var(--grid-line);
}
.section.dark .p-grid { --grid-line: rgba(255,255,255,.12); }

/* 刮刀系列子分类标题 */
.p-subhead {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px 14px;
  background: var(--paper-2);
  border-right: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
}
.p-subhead b {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}
.p-subhead-line {
  width: 4px;
  height: 18px;
  background: var(--red);
  border-radius: 2px;
  flex-shrink: 0;
}
.p-subhead-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted-2);
  text-transform: uppercase;
  margin-left: auto;
}

.p-card {
  position: relative;
  background: var(--paper);
  border-right: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  transition: background .35s var(--ease), transform .35s var(--ease),
              box-shadow .35s var(--ease);
  z-index: 0;
}
.section.dark .p-card { background: var(--ink); }
.p-card:hover {
  background: #fff;
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -18px rgba(26, 35, 64, .28);
  z-index: 2;
}
.section.dark .p-card:hover { background: var(--ink-2); }

.p-card .ph {
  height: 182px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  padding: 14px;
  background: #fff;
  overflow: hidden;
}
.p-card .ph img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .5s var(--ease);
}
.p-card:hover .ph img { transform: scale(1.06); }

.p-card .idx {
  position: absolute;
  top: 16px; right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted-2);
}
.p-card h3 {
  font-size: 15.5px;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -.012em;
  margin: 0 0 8px;
}
.p-card p {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.section.dark .p-card p { color: rgba(255,255,255,.42); }
.p-card .go {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: .3s var(--ease);
}
.p-card:hover .go { opacity: 1; transform: none; }

/* ---------- 7. 系列列表（横向条目） ---------- */
.series-list { border-top: 1px solid var(--line); }
.series-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1.1fr) minmax(0, 1.5fr) 90px;
  gap: clamp(16px, 3vw, 46px);
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: .3s var(--ease);
}
.series-row:hover { padding-left: 12px; }
.series-row .n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted-2);
}
.series-row h3 {
  font-size: clamp(19px, 1.9vw, 26px);
  font-weight: 650;
  letter-spacing: -.025em;
  margin: 0;
}
.series-row p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.series-row .arrow {
  justify-self: end;
  width: 36px; height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: .3s var(--ease);
  font-size: 14px;
  color: var(--muted);
}
.series-row:hover .arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: rotate(-45deg);
}

/* ---------- 8. 数值卡 ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-strip > div {
  padding: 34px 26px 32px 0;
  border-right: 1px solid var(--line);
}
.stat-strip > div:last-child { border-right: 0; }
.stat-strip b {
  display: block;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1;
  letter-spacing: -.04em;
  font-weight: 700;
  margin-bottom: 10px;
}
.stat-strip b i {
  font-style: normal;
  font-size: .42em;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
  margin-left: 4px;
}
.stat-strip span { font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }

/* ---------- 9. 特性 / 优势 ---------- */
/* 5 条价值观：上排 3 格、下排 2 格，拼成完整矩形 */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  --grid-line: rgba(255,255,255,.12);
  border-top: 1px solid var(--grid-line);
  border-left: 1px solid var(--grid-line);
}
.feat-grid > :nth-child(-n+3) { grid-column: span 2; }
.feat-grid > :nth-child(n+4) { grid-column: span 3; }
.feat {
  background: var(--ink);
  border-right: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  padding: 34px 28px 38px;
}
.feat .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--red-2);
  display: block;
  margin-bottom: 40px;
}
.feat h3 { font-size: 18px; font-weight: 650; margin: 0 0 12px; letter-spacing: -.018em; }
.feat p { margin: 0; font-size: 15px; line-height: 1.75; color: rgba(255,255,255,.7); }

/* ---------- 10. 应用领域 ---------- */
.app-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.app-item {
  border-left: 1px solid var(--line);
  padding: 6px 0 6px 26px;
}
.app-item:first-child { border-left: 0; padding-left: 0; }
.app-item b {
  display: block;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 650;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.app-item span { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.app-item .en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: block;
  margin-bottom: 6px;
}

/* ---------- 11. 新闻卡 ---------- */
.n-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.n-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: .3s var(--ease);
}
.n-card:hover {
  background: #fff;
  border-color: var(--paper-3);
  box-shadow: 0 18px 40px -24px rgba(26,35,64,.35);
  transform: translateY(-3px);
}
.n-card .ph {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-2);
}
.n-card .ph img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.n-card:hover .ph img { transform: scale(1.045); }
.n-card .body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.n-card .meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 12px;
}
.n-card .meta .dot { width: 3px; height: 3px; background: currentColor; border-radius: 50%; }
.n-card h3 {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 650;
  letter-spacing: -.015em;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.n-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 12. CTA 横幅 ---------- */
.cta {
  background: var(--ink);
  color: #fff;
  padding: clamp(56px, 7vw, 96px) 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  width: 620px; height: 620px;
  left: -8%; bottom: -60%;
  background: radial-gradient(circle, rgba(27,79,160,.3), transparent 65%);
}
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: clamp(32px, 5vw, 72px);
  position: relative;
}
.cta h2 {
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -.035em;
  font-weight: 700;
  margin: 0 0 14px;
}
.cta p { margin: 0; color: rgba(255,255,255,.72); font-size: 15.5px; max-width: 42ch; }

/* 右侧：通栏按钮 + 参数表式联系方式，压住左栏标题的重量 */
.cta-side {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 22px;
  width: min(380px, 38vw);
  padding-bottom: 4px;
}
.cta-side .btn { width: 100%; justify-content: space-between; }
.cta-lines {
  display: grid;
  gap: 0;
  margin: 0;
  border-bottom: 1px solid rgba(255,255,255,.13);
}
.cta-lines > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-top: 1px solid rgba(255,255,255,.13);
}
.cta-lines dt {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.34);
  flex: none;
}
.cta-lines dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  letter-spacing: .01em;
  color: rgba(255,255,255,.86);
  white-space: nowrap;
  text-align: right;
}
.cta-lines a { transition: color .3s var(--ease); }
.cta-lines a:hover { color: var(--accent-2); }

/* ---------- 13. 页脚 ---------- */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,.5);
  padding: 62px 0 28px;
  font-size: 13.5px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.f-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.f-brand b {
  display: block;
  color: #fff;
  font-size: 19px;
  letter-spacing: .06em;
  font-weight: 700;
  margin-bottom: 6px;
}
.f-brand .en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255,255,255,.32);
  display: block;
  margin-bottom: 18px;
}
.f-brand p { margin: 0; line-height: 1.75; max-width: 34ch; }
.f-brand .f-en {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.9;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.34);
}
.f-col h4 {
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.36);
  margin: 0 0 16px;
  font-weight: 500;
}
.f-col a, .f-col span { display: block; padding: 5px 0; transition: color .2s; }
.f-col a:hover { color: #fff; }
.f-col .mono { font-family: var(--font-mono); font-size: 12.5px; }
.f-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 12px;
  color: rgba(255,255,255,.32);
}
.f-icp {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  margin-right: auto;
  transition: color .3s var(--ease);
}
.f-admin {
  font-size: 11px;
  color: rgba(255,255,255,.22);
  transition: color .3s var(--ease);
}
.f-admin:hover { color: rgba(255,255,255,.6); }
.f-top {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color .3s var(--ease);
}
.f-icp:hover, .f-top:hover { color: rgba(255,255,255,.72); }

/* ---------- 14. 内页头部（含banner英雄区） ---------- */
.page-head {
  background: var(--ink);
  color: #fff;
  padding: clamp(112px, 13vw, 168px) 0 clamp(44px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
/* banner 背景图层 */
.page-head-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 35%;
  will-change: transform;
  transition: transform .1s linear;
}
/* 深色渐变遮罩：左重右轻，保证文字可读 */
.page-head::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(26,35,64,.94) 0%, rgba(26,35,64,.82) 40%, rgba(26,35,64,.62) 100%),
    linear-gradient(180deg, rgba(26,35,64,.45) 0%, transparent 30%, transparent 70%, rgba(26,35,64,.6) 100%);
  z-index: 1;
}
/* 网格纹理叠层 */
.page-head::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(#000, transparent 92%);
  -webkit-mask-image: linear-gradient(#000, transparent 92%);
  z-index: 2;
}
.page-head .wrap { position: relative; z-index: 3; }
.page-head .lead { max-width: 92ch; }
.page-head h1 {
  font-size: clamp(32px, 4.8vw, 64px);
  line-height: 1.02;
  letter-spacing: -.045em;
  font-weight: 700;
  margin: 16px 0 0;
  animation: head-title-in .8s var(--ease) both;
}
/* 标题入场动画 */
@keyframes head-title-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-head .lead {
  animation: head-lead-in .8s var(--ease) .15s both;
}
@keyframes head-lead-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: .55; transform: translateY(0); }
}
.page-head .crumb {
  animation: head-crumb-in .6s var(--ease) both;
}
@keyframes head-crumb-in {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}
/* 标题下方装饰线 */
.page-head .wrap h1 + .lead,
.page-head .wrap h1 + p {
  position: relative;
}
.page-head .wrap h1::after {
  content: "";
  display: block;
  width: 48px; height: 3px;
  background: var(--cta);
  margin-top: 20px;
  transform-origin: left;
  animation: head-line-grow .7s var(--ease) .3s both;
}
@keyframes head-line-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.crumb {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.crumb a:hover { color: #fff; }
/* 产品详情页紧凑头部 */
.page-head[style*="padding-bottom"] h1::after { width: 36px; height: 2px; }
.crumb i { font-style: normal; opacity: .4; }

/* ---------- 15. 产品详情 ---------- */
.pd-head {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 76px);
  align-items: start;
}
.pd-gallery {
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(26px, 3.4vw, 46px);
  position: sticky;
  top: 100px;
}
.pd-gallery img { width: 100%; height: auto; object-fit: contain; max-height: 460px; }
.pd-info .eyebrow { margin-bottom: 18px; }
.pd-info h1 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -.035em;
  font-weight: 700;
  margin: 0 0 20px;
}
.pd-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-3);
  margin: 0 0 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.spec {
  border-top: 1px solid var(--line);
  margin-bottom: 32px;
}
.spec-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
}
.spec-row dt { color: var(--muted); margin: 0; }
.spec-row dd { margin: 0; font-weight: 550; }
.pd-body {
  max-width: 78ch;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-3);
}
.pd-body img {
  max-width: min(100%, 560px);
  max-height: 360px;
  width: auto;
  height: auto;
  margin: 20px 0;
  border: 1px solid var(--line);
  background: #fff;
}
.pd-body table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 13.5px; }
.pd-body th, .pd-body td { border: 1px solid var(--line); padding: 10px 13px; text-align: left; }
.pd-body th { background: var(--paper-2); font-weight: 600; }
.pd-body p { margin: 0 0 18px; }
.pd-body h3, .pd-body h4 { margin: 30px 0 14px; letter-spacing: -.02em; }
/* 详情页正文：分隔线与正文同宽，右侧留白才显得是版心而非断开 */
.article-sec .sec-head { max-width: 78ch; }

/* ---------- 16. 列表筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 74px;
  background: var(--paper);
  z-index: 20;
}
.filter-bar button {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 550;
  background: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--muted);
  transition: .22s var(--ease);
}
.filter-bar button:hover { border-color: var(--ink); color: var(--ink); }
.filter-bar button.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- 17. 新闻列表 ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) 180px;
  gap: clamp(18px, 3vw, 44px);
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: .3s var(--ease);
}
.news-item:hover { background: #fff; padding-left: 14px; }
.news-item .ph { overflow: hidden; }
.news-item .ph img { transition: transform .55s var(--ease); }
.news-item:hover .ph img { transform: scale(1.05); }
.news-item .d {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .03em;
  padding-top: 4px;
}
.news-item h3 {
  font-size: clamp(15px, 1.35vw, 18px);
  font-weight: 600;
  letter-spacing: -.015em;
  margin: 0 0 5px;
  line-height: 1.45;
}
.news-item p { margin: 0; font-size: 14.5px; color: var(--muted); }
.news-item .ph {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--paper-2);
}
.news-item .ph img { width: 100%; height: 100%; object-fit: cover; }

/* 行业资讯（外链卡片） */
.news-sec {
  margin: clamp(44px, 6vw, 76px) 0 0;
  padding: 0 0 6px;
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 4vw, 44px);
}
.news-sec h2 { margin: 8px 0 4px; }
.news-ext { grid-template-columns: 108px minmax(0, 1fr); }
.news-ext .ext-ico { color: var(--accent); font-size: .8em; margin-left: 2px; }
.news-ext:hover .ext-ico { transform: translate(2px, -2px); }
.news-src {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .03em;
  color: var(--muted-2);
}
@media (max-width: 680px) {
  .news-ext { grid-template-columns: 1fr; }
  .news-ext .d { padding-top: 0; }
}

/* ---------- 18. 文章正文 ---------- */
.article {
  max-width: 780px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-3);
}
.article p { margin: 0 0 22px; }
.article img { margin: 30px 0; }
.article h2, .article h3 { color: var(--ink); letter-spacing: -.025em; margin: 40px 0 16px; }
.article table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 14px; }
.article th, .article td { border: 1px solid var(--line); padding: 11px 14px; }

/* ---------- 19. 关于我们 ---------- */
.about-hero-lines { border-top: 1px solid var(--line); }
.about-line {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 60px);
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.about-line dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-top: 4px;
}
.about-line dd { margin: 0; font-size: 16px; line-height: 1.85; }

.culture-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.culture {
  background: var(--paper);
  padding: 32px 30px 36px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.culture b {
  display: block;
  font-size: 17px;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.culture p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--muted); }
.culture .tag-en {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

/* ---------- 20. 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 96px);
}
.c-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.c-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 8px;
}
.c-item b { font-size: 17px; font-weight: 600; letter-spacing: -.01em; word-break: break-word; }

.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: 7px;
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: .2s;
  outline: none;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(26,35,64,.06);
}
.form-row textarea { min-height: 132px; resize: vertical; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- 21. 滚动揭示动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1180px) {
  .p-grid { grid-template-columns: repeat(3, 1fr); }
  .f-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .f-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: block; }
  .mobile-menu { display: block; }

  .hero { min-height: auto; padding-top: 104px; }
  .hero-top { position: static; padding-bottom: 30px; }
  .hero-body { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { justify-content: flex-start; }
  .hero-card { max-width: 340px; }
  .hero-card img { height: 160px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats div:nth-child(2n) { border-right: 0; }
  .hero-stats div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .scroll-hint { display: none; }

  .sec-head { grid-template-columns: 1fr; gap: 18px; }
  .p-grid { grid-template-columns: repeat(2, 1fr); }
  .series-row { grid-template-columns: 48px 1fr 60px; }
  .series-row p { display: none; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip > div:nth-child(2n) { border-right: 0; }
  .stat-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feat-grid { grid-template-columns: 1fr; }
  .feat-grid > .feat { grid-column: auto; }
  .app-list { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .app-item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .n-grid { grid-template-columns: 1fr; }
  .pd-head { grid-template-columns: 1fr; }
  .pd-gallery { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 90px 1fr; }
  .news-item .ph { display: none; }
  .filter-bar { position: static; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; gap: 34px; }
  .cta-side { width: 100%; align-items: stretch; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .topbar { display: none; }
  .hero-meta span:nth-child(1), .hero-meta span:nth-child(3) { display: none; }
  .hero-meta { justify-content: flex-start; }
  .hero-card img { height: 150px; }
  .hero-card { padding: 20px 20px 16px; }
  .p-grid { grid-template-columns: 1fr 1fr; }
  .p-card { padding: 16px 14px 18px; }
  .p-card .ph { height: 118px; margin-bottom: 14px; }
  .p-card h3 { font-size: 14px; }
  .p-card p { display: none; }
  .series-row { grid-template-columns: 36px 1fr 44px; gap: 14px; padding: 22px 0; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .about-line { grid-template-columns: 1fr; gap: 8px; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .form-2 { grid-template-columns: 1fr; }
  .app-list { grid-template-columns: 1fr; }
  .app-item { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .app-item:first-child { border-top: 0; }
  .f-grid { grid-template-columns: 1fr; gap: 30px; }
  .pd-body { font-size: 14.5px; }
  .spec-row { grid-template-columns: 104px 1fr; }
}


/* ==========================================================================
   首页：沿用原站版式（横幅轮播 + 图文双栏），视觉做精修
   ========================================================================== */
.hp-main { padding-top: 0; }

/* ---------- 横幅 ---------- */
.hp-banner {
  position: relative;
  height: min(74vh, calc(100vw / 1.773));
  min-height: 430px;
  background: #0F1A35;
  overflow: hidden;
  isolation: isolate;
}
.hp-slides { position: absolute; inset: 0; }
.hp-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.15s var(--ease);
  will-change: opacity;
}
.hp-slide.is-on { opacity: 1; }
.hp-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 44%;
  transform: scale(1.002);
}
.hp-slide.is-on img { animation: hpKen 11s var(--ease) forwards; }
@keyframes hpKen {
  from { transform: scale(1.002); }
  to   { transform: scale(1.055); }
}
/* 顶部压暗，保证导航白字可读 */
.hp-banner::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 210px;
  background: linear-gradient(180deg, rgba(10, 15, 30, .66) 0%, rgba(10, 15, 30, .28) 45%, transparent 100%);
  z-index: 2; pointer-events: none;
}

/* 控制条 */
.hp-ctrl {
  position: absolute; right: var(--pad); bottom: 34px;
  z-index: 3;
  display: flex; align-items: center; gap: 16px;
}
.hp-dots { display: flex; gap: 9px; }
.hp-dot {
  width: 34px; height: 2px; padding: 0;
  border: 0; border-radius: 0;
  background: rgba(255, 255, 255, .34);
  transition: background .35s var(--ease), width .35s var(--ease);
}
.hp-dot.is-on { background: #fff; width: 52px; }
.hp-nav {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 20px; line-height: 1;
  color: rgba(255, 255, 255, .82);
  background: rgba(12, 18, 35, .34);
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 50%;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: .3s var(--ease);
}
.hp-nav:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- 价值主张 + 数据条（国际站式开场） ---------- */
.hp-value {
  padding: clamp(52px, 6.5vw, 88px) 0 clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--line-soft);
}
.hp-value-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: clamp(36px, 5.5vw, 80px);
  align-items: end;
}
.hp-value-main h2 {
  margin: 0;
  font-size: clamp(26px, 3.5vw, 44px);
  line-height: 1.18;
  letter-spacing: -.032em;
  font-weight: 650;
  max-width: 20ch;
  text-wrap: balance;
}
.hp-value-side p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.85;
}
.hp-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(38px, 5vw, 58px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--line);
}
.hp-stats > div {
  border-left: 1px solid var(--line);
  padding-left: clamp(18px, 2.4vw, 30px);
}
.hp-stats > div:first-child { border-left: 0; padding-left: 0; }
.hp-stats b {
  display: block;
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 620;
  letter-spacing: -.035em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hp-stats i {
  font-style: normal;
  font-size: .44em;
  font-weight: 500;
  margin-left: 3px;
  color: var(--accent);
  vertical-align: .42em;
  letter-spacing: 0;
}
.hp-stats span {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted-2);
}
@media (max-width: 960px) {
  .hp-value-grid { grid-template-columns: 1fr; gap: 26px; align-items: start; }
  .hp-stats { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .hp-stats > div:nth-child(3) { border-left: 0; padding-left: 0; }
}

/* ---------- 工程能力（关于页） ---------- */
.eng-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.eng {
  background: var(--paper);
  padding: 34px 28px 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.eng .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}
.eng h3 { margin: 14px 0 10px; font-size: 19px; letter-spacing: -.01em; }
.eng p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
@media (max-width: 960px) { .eng-grid { grid-template-columns: 1fr; } }
.eng-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1200px) { .eng-grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .eng-grid.cols-4 { grid-template-columns: 1fr; } }

/* ---------- 公式卡片 ---------- */
.formula-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (max-width: 880px) { .formula-grid { grid-template-columns: 1fr; } }
.formula-card {
  background: var(--paper);
  padding: 30px 26px 34px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.formula-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.formula-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.75;
}
.formula-box {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 16px 18px;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  margin: 0 0 12px;
  word-break: break-word;
}
.formula-example {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted-2);
  font-family: var(--font-mono);
  line-height: 1.7;
}
.mat-brands { font-size: 13px !important; }

/* ---------- 技术支持页 ---------- */
.mat-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--paper); }
.mat-table { width: 100%; min-width: 900px; border-collapse: collapse; font-size: 14.5px; }
.mat-table th, .mat-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
}
.mat-table thead th {
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.mat-table tbody th { font-weight: 600; white-space: nowrap; color: var(--ink); }
.mat-table tbody tr:last-child th,
.mat-table tbody tr:last-child td { border-bottom: 0; }
.mat-table tbody tr:hover { background: var(--paper-2); }
.mat-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.mat-ids { max-width: 300px; }
.mat-ids a { color: var(--accent); border-bottom: 1px solid transparent; transition: border-color .25s; }
.mat-ids a:hover { border-bottom-color: var(--accent); }

.eng-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.eng .case-rec { color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.eng .case-rec a { border-bottom: 1px solid rgba(27,79,160,.3); }
.eng .case-rec a:hover { border-bottom-color: var(--accent); }
.eng-link { display: block; transition: background .3s var(--ease); }
.eng-link:hover { background: var(--paper-2); }
.eng-link h3 { transition: color .3s var(--ease); }
.eng-link:hover h3 { color: var(--accent); }
.eng-link .k a { color: inherit; }
.case-go {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--accent);
}

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.step {
  display: flex; gap: 22px; background: var(--paper); padding: 30px 28px;
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.step-n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  letter-spacing: .08em;
  padding-top: 4px;
}
.step h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.step p a { color: var(--accent); }

.faq { border-top: 1px solid var(--line); }
.faq-item { padding: 26px 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0 0 10px; font-size: 17px; letter-spacing: -.01em; }
.faq-item h3::before { content: "Q"; font-family: var(--font-mono); color: var(--red); margin-right: 14px; font-size: 13px; }
.faq-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; max-width: 88ch; }
.faq-item p a { color: var(--accent); }

@media (max-width: 960px) {
  .eng-grid.cols-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}

/* ---------- 图文双栏 ---------- */
.hp-recom { padding: clamp(44px, 5vw, 78px) 0 clamp(60px, 7.5vw, 110px); }
.hp-recom-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(36px, 5vw, 84px);
  align-items: start;
}

.hp-feat-media {
  position: relative;
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
}
/* 悬停时底部扫出的一道赭线，作为图片区的“落款” */
.hp-feat-media::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s var(--ease);
}
.hp-feat-media:hover::after { transform: scaleX(1); }
.hp-feat-media img {
  width: 100%;
  height: clamp(248px, 25vw, 344px);
  object-fit: contain;
  padding: 30px 34px;
  transition: transform .7s var(--ease);
}
.hp-feat-media:hover img { transform: scale(1.035); }
.hp-feat-tag {
  position: absolute; left: 0; top: 0;
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: #fff;
  background: var(--red);
}
.hp-feat-body { padding-top: 26px; }
.hp-feat-body .eyebrow { margin-bottom: 14px; }
.hp-feat-body .h3 { margin: 0 0 12px; }
.hp-feat-body .h3 a { transition: color .3s var(--ease); }
.hp-feat-body .h3 a:hover { color: var(--accent); }
.hp-feat-body > p {
  font-size: 15px; line-height: 1.85; color: var(--muted);
  max-width: 46ch; margin: 0 0 20px;
}

.hp-feat-spec {
  display: flex;
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}
.hp-feat-spec > div {
  flex: 1 1 0;
  min-width: 0;
  padding: 14px 14px 0 0;
}
.hp-feat-spec > div + div {
  padding-left: 16px;
  border-left: 1px solid var(--line-soft);
}
.hp-feat-spec dt {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 5px;
}
.hp-feat-spec dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--ink-3);
  text-wrap: pretty;
}

/* ---------- 首页产品轮播 ---------- */
.hp-feat-carousel { position: relative; }
.hp-feat-slides { position: relative; overflow: hidden; }
.hp-feat-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  pointer-events: none;
}
.hp-feat-slide.is-on {
  position: relative;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}
.hp-feat-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  margin-top: 8px;
}
.hp-feat-prev, .hp-feat-next {
  width: 32px; height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--ease);
}
.hp-feat-prev:hover, .hp-feat-next:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.hp-feat-dots { display: flex; gap: 6px; }
.hp-feat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--line);
  cursor: pointer;
  padding: 0;
  transition: all .25s var(--ease);
}
.hp-feat-dot.is-on {
  background: var(--accent);
  transform: scale(1.3);
}
.hp-feat-dot:hover { background: var(--accent-2); }

/* ---------- 计量棒计算器 ---------- */
.rod-calc-table {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 24px 0;
}
.rod-calc-row-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line-soft);
  min-height: 52px;
}
.rod-calc-row-item:last-child { border-bottom: none; }
.rod-calc-row-item:nth-child(even) { background: rgba(255,255,255,.5); }
.rod-calc-name {
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border-right: 1px solid var(--line-soft);
}
.rod-calc-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
}
.rod-calc-input input {
  flex: 1;
  max-width: 180px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 15px;
  font-family: var(--font-mono);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color .2s var(--ease);
}
.rod-calc-input input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(27,79,160,.12);
}
.rod-calc-unit {
  font-size: 14px;
  color: var(--muted-2);
  white-space: nowrap;
}
.rod-calc-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  min-width: 80px;
}
.rod-calc-output .rod-calc-name { color: var(--accent); }
.rod-calc-highlight { background: linear-gradient(135deg, rgba(230,106,28,.06) 0%, rgba(230,106,28,.02) 100%) !important; }
.rod-calc-highlight .rod-calc-name { color: var(--cta); }
.rod-calc-highlight .rod-calc-val { color: var(--cta); }
@media (max-width: 640px) {
  .rod-calc-row-item { grid-template-columns: 140px 1fr; }
  .rod-calc-name { padding: 10px 12px; font-size: 13px; }
  .rod-calc-input { padding: 6px 10px; }
  .rod-calc-input input { max-width: 120px; padding: 8px 10px; font-size: 14px; }
}

.hp-more {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13.5px; font-weight: 600; letter-spacing: .02em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  transition: .3s var(--ease);
}
.hp-more span { transition: transform .3s var(--ease); }
.hp-more:hover { color: var(--accent); border-bottom-color: var(--accent); }
.hp-more:hover span { transform: translateX(4px); }
.hp-more.sm { font-size: 12.5px; color: var(--muted); border-bottom-color: var(--line); }
.hp-more.sm:hover { color: var(--accent); }

/* 新闻栏 */
.hp-news { padding-top: 4px; }
.hp-news-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.hp-news-head .h3 { margin: 0; }

.hp-news-top { display: block; }
.hp-news-top .ph {
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--paper-2);
  aspect-ratio: 16 / 8.4;
}
.hp-news-top .ph img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease);
}
.hp-news-top:hover .ph img { transform: scale(1.04); }
.hp-news-top .meta {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .05em; color: var(--muted-2);
  margin-bottom: 9px;
}
.hp-news-top .meta i { width: 14px; height: 1px; background: var(--line); }
.hp-news-top h3 {
  margin: 0 0 9px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.5; letter-spacing: -.012em; font-weight: 600;
  transition: color .3s var(--ease);
}
.hp-news-top:hover h3 { color: var(--accent); }
.hp-news-top > p {
  margin: 0; font-size: 14px; line-height: 1.8; color: var(--muted);
  max-width: 52ch;
}

.hp-news-list {
  list-style: none; margin: 24px 0 0; padding: 0;
  border-top: 1px solid var(--line-soft);
}
.hp-news-list li { border-bottom: 1px solid var(--line-soft); }
.hp-news-list a {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  transition: .3s var(--ease);
}
.hp-news-list time {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted-2); letter-spacing: .03em;
}
.hp-news-list span {
  font-size: 14px; line-height: 1.55;
  color: var(--ink-3);
  overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  transition: color .3s var(--ease);
}
.hp-news-list a:hover span { color: var(--accent); }

/* ---------- 系列 ---------- */
.hp-series {
  padding: clamp(60px, 7.5vw, 112px) 0;
  background: var(--paper-2);
  border-top: 1px solid var(--line-soft);
}
.hp-series-head {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 26px;
  margin-bottom: clamp(30px, 4vw, 52px);
}
.hp-series-head .h2 { margin: 10px 0 0; }
.hp-series-head .h2 .tally {
  font-family: var(--font-mono);
  font-size: .34em;
  letter-spacing: .02em;
  color: var(--muted);
  font-weight: 400;
  margin-left: .6em;
}
.hp-series-head .lead { max-width: 46ch; margin: 0; }

.hp-series-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}
.hp-cell {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto 26px;
  align-items: start;
  gap: 18px;
  padding: 30px 6px 30px 0;
  border-bottom: 1px solid var(--line);
  transition: background .4s var(--ease), padding .4s var(--ease);
}
.hp-cell:nth-child(odd) { padding-right: 34px; border-right: 1px solid var(--line); }
.hp-cell:nth-child(even) { padding-left: 34px; }
.hp-cell .n {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--muted-2); letter-spacing: .08em;
  align-self: start; padding-top: 5px;
  transition: color .35s var(--ease);
}
.hp-cell b {
  display: block; font-size: 18px; letter-spacing: -.015em;
  transition: color .35s var(--ease);
}
.hp-cell em {
  display: block;
  font-family: var(--font-mono); font-style: normal;
  font-size: 9.5px; letter-spacing: .2em;
  color: var(--muted-2); text-transform: uppercase;
  margin-top: 4px;
}
.hp-cell p {
  margin: 10px 0 0;
  font-size: 13.5px; line-height: 1.7; color: var(--muted);
  max-width: 34ch;
  text-wrap: pretty;
}
.hp-cell .cnt {
  font-family: var(--font-mono); font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--muted-2); white-space: nowrap;
  text-align: right; padding-top: 5px;
}
.hp-cell .arrow {
  font-size: 15px; color: var(--muted-2);
  padding-top: 1px;
  transition: transform .35s var(--ease), color .35s var(--ease);
}
.hp-cell:hover { background: var(--paper); }
.hp-cell:hover b,
.hp-cell:hover .n { color: var(--accent); }
.hp-cell:hover .arrow { transform: translateX(5px); color: var(--accent); }

.hp-series-foot {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 20px;
  margin-top: 36px;
}
.hp-series-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--muted-2);
}

/* ---------- 应用领域：四栏行业带 ---------- */
.hp-apps {
  padding: clamp(56px, 6.5vw, 100px) 0 clamp(48px, 5.5vw, 84px);
  border-top: 1px solid var(--line-soft);
}
.hp-apps-head {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 26px;
  margin-bottom: clamp(26px, 3.4vw, 44px);
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.hp-apps-head .h2 { margin: 10px 0 0; }
.hp-apps-head .lead { max-width: 44ch; margin: 0; }
.hp-apps .app-item b { font-size: clamp(18px, 1.7vw, 23px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hp-recom-inner { grid-template-columns: 1fr; gap: 48px; }
  .hp-feat-media img { height: clamp(260px, 44vw, 360px); }
  .hp-series-grid { grid-template-columns: 1fr; }
  .hp-cell:nth-child(odd) { padding-right: 0; border-right: 0; }
  .hp-cell:nth-child(even) { padding-left: 0; }
}
@media (max-width: 680px) {
  .hp-banner { height: 62vh; min-height: 340px; }
  .hp-slide img { object-position: 32% 46%; }
  .hp-ctrl { right: 16px; bottom: 20px; gap: 12px; }
  .hp-dot { width: 24px; }
  .hp-dot.is-on { width: 34px; }
  .hp-nav { width: 34px; height: 34px; font-size: 17px; }
  .hp-news-list a { grid-template-columns: 74px minmax(0, 1fr); }
  .hp-cell { grid-template-columns: 32px minmax(0, 1fr) 20px; gap: 14px; padding: 22px 0; }
  .hp-cell .cnt { display: none; }
  .hp-apps .app-item { padding-left: 0; border-left: 0; }
  .hp-feat-spec > div { padding-top: 12px; }
  .hp-feat-spec > div + div { padding-left: 12px; }
  .hp-feat-spec dd { font-size: 12.5px; }
}

/* 长标题文章页：行高放宽，末行不留孤字 */
.article-title {
  line-height: 1.3;
  letter-spacing: -.03em;
  text-wrap: balance;
}