/* ============================================================
   长一泵业 CHANGYI PUMP — 全站样式
   深蓝 #021a50 / #01102e · 橙红 #f34020 · 中英双语
   ============================================================ */

:root {
  --navy: #021a50;
  --navy-deep: #01102e;
  --navy-ink: #0b1f4d;
  --red: #f34020;
  --red-dark: #d93417;
  --yolk: #f9da73;
  --bg: #ffffff;
  --bg-tint: color-mix(in oklab, #01102e 5%, #fafbfc);
  --text: #16244d;
  --text-2: #5a6478;
  --line: rgba(1, 16, 46, 0.08);
  --line-light: rgba(255, 255, 255, 0.14);
  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 24px;
  --font: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.165, 0.84, 0.44, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- 通用双语标题系统 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--red);
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--red);
}

.section-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--navy-ink);
  margin: 14px 0 10px;
}
.section-title .en {
  display: block;
  font-size: 0.42em;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-top: 10px;
}
.section-desc {
  color: var(--text-2);
  max-width: 640px;
  font-size: 15px;
}

.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::after {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--red);
}
.section-head.center .section-desc { margin: 0 auto; }

/* ---------- 按钮（胶囊 + 内阴影填充动效） ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: 999px;
  border: 2px solid var(--red);
  background: transparent;
  color: var(--red);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: inset 0 0 0 0 var(--red);
  transition: box-shadow 0.3s var(--ease-spring), color 0.3s var(--ease-spring);
}
.btn:hover {
  box-shadow: inset 0 -60px 0 0 var(--red);
  color: #fff;
}
.btn.solid {
  background: var(--red);
  color: #fff;
  box-shadow: inset 0 0 0 0 var(--red-dark);
}
.btn.solid:hover { box-shadow: inset 0 -60px 0 0 var(--red-dark); }
.btn .arrow { transition: transform 0.3s var(--ease-spring); }
.btn:hover .arrow { transform: translate(3px, -1px); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(1, 16, 46, 0.0);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.site-header.scrolled {
  background: rgba(1, 16, 46, 0.96);
  box-shadow: 0 8px 32px rgba(1, 16, 46, 0.35);
  backdrop-filter: blur(10px);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}
.logo-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--red), #ff7a45);
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 20px;
  color: #fff;
  letter-spacing: 0;
  flex-shrink: 0;
}
.logo-text { line-height: 1.25; }
.logo-text .cn { font-size: 20px; font-weight: 800; letter-spacing: 0.12em; display: block; }
.logo-text .en { font-size: 10px; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; opacity: 0.75; display: block; }

.main-nav { display: flex; gap: 6px; }
.main-nav a {
  position: relative;
  display: block;
  padding: 10px 18px;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  line-height: 1.3;
}
.main-nav a .cn { display: block; font-size: 15px; font-weight: 600; letter-spacing: 0.08em; }
.main-nav a .en { display: block; font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.55; margin-top: 2px; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-spring);
}
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active .cn { color: #fff; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: inset 0 0 0 0 var(--red-dark);
  transition: box-shadow 0.3s var(--ease-spring);
}
.nav-cta:hover { box-shadow: inset 0 -50px 0 0 var(--red-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
  transition: 0.3s var(--ease-spring);
}

/* ---------- 首屏 Hero（斜切分割） ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: stretch;
  background: var(--navy-deep);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 46%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 5vw 100px;
  color: #fff;
  background:
    radial-gradient(circle at 18% 22%, rgba(243, 64, 32, 0.16), transparent 46%),
    linear-gradient(160deg, #03205f 0%, var(--navy-deep) 78%);
}
/* 点阵肌理 */
.hero-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(120deg, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 8px 18px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}
.hero-tag .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(243, 64, 32, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(243, 64, 32, 0); }
  100% { box-shadow: 0 0 0 0 rgba(243, 64, 32, 0); }
}
.hero h1 {
  font-size: clamp(36px, 4.2vw, 60px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin: 26px 0 8px;
}
.hero h1 .accent { color: var(--red); }
.hero .h1-en {
  font-size: clamp(13px, 1.1vw, 16px);
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 26px;
}
.hero-points { margin-bottom: 40px; }
.hero-points li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 14px;
  padding: 7px 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.hero-points li .en {
  flex-basis: 100%;
  margin-left: 32px;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.hero-points li::before {
  content: "";
  width: 18px;
  height: 3px;
  background: var(--red);
  flex-shrink: 0;
  transform: translateY(-4px);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn { border-color: var(--red); color: #fff; background: rgba(243, 64, 32, 0.12); }
.hero .btn.ghost { border-color: rgba(255,255,255,0.4); background: transparent; box-shadow: inset 0 0 0 0 #fff; }
.hero .btn.ghost:hover { box-shadow: inset 0 -60px 0 0 #fff; color: var(--navy-deep); }

.hero-media {
  position: absolute;
  inset: 0 0 0 38%;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: heroZoom 9s var(--ease-out) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(1, 16, 46, 0.55) 0%, transparent 38%),
              linear-gradient(0deg, rgba(1, 16, 46, 0.42), transparent 45%);
}

/* 跑马灯：服务行业 */
.ticker {
  background: var(--red);
  color: #fff;
  overflow: hidden;
  padding: 14px 0;
  position: relative;
  z-index: 3;
}
.ticker-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 38s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.ticker-item .en { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.7; }
.ticker-item::after { content: "◆"; font-size: 9px; opacity: 0.6; margin-left: 28px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 通用 section ---------- */
.section { padding: 110px 0; }
.section.tint { background: var(--bg-tint); }
.section.dark { background: var(--navy-deep); color: #fff; }
.section.dark .section-title { color: #fff; }
.section.dark .section-desc { color: rgba(255, 255, 255, 0.62); }

/* ---------- 服务能力卡片 ---------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cap-card {
  position: relative;
  padding: 44px 36px 38px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  overflow: hidden;
}
.cap-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(1, 16, 46, 0.12); }
.cap-card::after {
  content: "";
  position: absolute;
  left: 36px;
  right: auto;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: 4px 4px 0 0;
  background: var(--red);
  transition: width 0.4s var(--ease-spring);
}
.cap-card:hover::after { width: calc(100% - 72px); }
.cap-num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--red);
  margin-bottom: 18px;
}
.cap-card h3 { font-size: 21px; font-weight: 800; color: var(--navy-ink); margin-bottom: 4px; }
.cap-card h3 .en {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
  margin-top: 6px;
}
.cap-card p { margin-top: 14px; font-size: 14.5px; color: var(--text-2); }

/* ---------- 关于我们（左图右文 深色） ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img {
  border-radius: var(--radius-l);
  width: 100%;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
}
.about-media::before {
  content: "";
  position: absolute;
  inset: 24px -24px -24px 24px;
  border: 2px solid var(--red);
  border-radius: var(--radius-l);
  z-index: -1;
}
.about-badge {
  position: absolute;
  right: -20px;
  bottom: 36px;
  background: var(--red);
  color: #fff;
  border-radius: var(--radius-m);
  padding: 20px 26px;
  text-align: center;
  box-shadow: 0 18px 40px rgba(243, 64, 32, 0.35);
}
.about-badge .num { font-size: 34px; font-weight: 900; line-height: 1; }
.about-badge .lbl { font-size: 12px; letter-spacing: 0.12em; margin-top: 6px; opacity: 0.9; }
.about-text p { color: rgba(255, 255, 255, 0.78); margin-bottom: 16px; font-size: 15.5px; }
.about-text p.en { color: rgba(255, 255, 255, 0.42); font-size: 13px; }
.about-values { display: flex; gap: 28px; margin: 28px 0 36px; }
.about-values .v { border-left: 3px solid var(--red); padding-left: 16px; }
.about-values .v b { display: block; font-size: 17px; color: #fff; }
.about-values .v span { font-size: 12px; color: rgba(255, 255, 255, 0.5); letter-spacing: 0.1em; }

/* ---------- 数据带 ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line-light);
  padding-top: 56px;
}
.stat .num {
  font-size: clamp(40px, 4vw, 58px);
  font-weight: 900;
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat .num i { font-style: normal; color: var(--red); font-size: 0.62em; margin-left: 2px; }
.stat .lbl { margin-top: 12px; font-size: 15px; font-weight: 600; }
.stat .lbl .en { display: block; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255, 255, 255, 0.45); margin-top: 3px; }

/* ---------- 产品网格 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 28px 56px rgba(1, 16, 46, 0.14); }
.product-card .pic {
  position: relative;
  aspect-ratio: 1 / 0.82;
  overflow: hidden;
  background: #eef0f4;
}
.product-card .pic img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  transition: transform 0.6s var(--ease-out);
}
.product-card:hover .pic img { transform: scale(1.07); }
.product-card .pic .tag {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(1, 16, 46, 0.82);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.14em;
  backdrop-filter: blur(4px);
}
.product-card .body { padding: 26px 26px 28px; }
.product-card h3 { font-size: 18px; font-weight: 800; color: var(--navy-ink); }
.product-card h3 .en {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-top: 4px;
}
.product-card p { margin-top: 12px; font-size: 13.5px; color: var(--text-2); }
.product-card .more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--red);
}
.product-card .more .arrow { transition: transform 0.3s var(--ease-spring); }
.product-card:hover .more .arrow { transform: translate(3px, -2px); }

/* ---------- 优势三栏 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.adv-card { text-align: left; }
.adv-card .pic {
  border-radius: var(--radius-m);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 24px;
}
.adv-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease-out); }
.adv-card:hover .pic img { transform: scale(1.06); }
.adv-card h3 { font-size: 20px; font-weight: 800; color: var(--navy-ink); }
.adv-card h3 .en { display: block; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2); font-weight: 600; margin-top: 5px; }
.adv-card p { margin-top: 12px; font-size: 14px; color: var(--text-2); }
.adv-card { border-top: 3px solid var(--navy); padding-top: 0; }
.adv-card .pic { margin-top: 0; }
.adv-card h3, .adv-card p { padding: 0 4px; }

/* ---------- 服务行业墙 ---------- */
.industry-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-l);
  overflow: hidden;
}
.industry-cell {
  padding: 44px 24px;
  text-align: center;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  transition: background 0.35s var(--ease-out);
  cursor: default;
}
.industry-cell:nth-child(4n) { border-right: 0; }
.industry-cell:nth-child(n+9) { border-bottom: 0; }
.industry-cell:hover { background: rgba(243, 64, 32, 0.08); }
.industry-cell .cn { font-size: 19px; font-weight: 800; letter-spacing: 0.14em; }
.industry-cell .en { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255, 255, 255, 0.45); margin-top: 6px; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  border-radius: 40px;
  overflow: hidden;
  background: linear-gradient(120deg, #03205f, var(--navy-deep) 70%);
  padding: 76px 72px;
  color: #fff;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(100deg, #000 20%, transparent 70%);
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 64, 32, 0.5), transparent 65%);
  filter: blur(10px);
}
.cta-band h2 { font-size: clamp(26px, 3vw, 40px); font-weight: 900; line-height: 1.3; }
.cta-band h2 .en { display: block; font-size: 0.4em; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); margin-top: 10px; font-weight: 700; }
.cta-band p { margin-top: 16px; color: rgba(255, 255, 255, 0.7); max-width: 560px; }
.cta-band .btn { margin-top: 34px; position: relative; z-index: 2; background: var(--red); border-color: var(--red); color: #fff; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 88px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 1.2fr;
  gap: 48px;
  padding-bottom: 64px;
}
.footer-brand .logo { margin-bottom: 22px; }
.footer-brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, 0.55); }
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.footer-col h4 .en { display: block; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--red); margin-top: 4px; font-weight: 700; }
.footer-col ul { margin-top: 18px; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col a { transition: color 0.25s; }
.footer-col a:hover { color: var(--red); }
.footer-contact li { display: flex; gap: 12px; align-items: baseline; }
.footer-contact .k { color: var(--red); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700; flex-shrink: 0; }
.footer-form { display: flex; gap: 10px; margin-top: 20px; }
.footer-form input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-light);
  border-radius: 999px;
  padding: 12px 20px;
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.footer-form input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(243, 64, 32, 0.18); }
.footer-form button {
  border: 0;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.3s;
}
.footer-form button:hover { background: var(--red-dark); }
.footer-bottom {
  border-top: 1px solid var(--line-light);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- 子页页头 ---------- */
.page-hero {
  position: relative;
  padding: 190px 0 96px;
  background:
    radial-gradient(circle at 82% 18%, rgba(243, 64, 32, 0.22), transparent 42%),
    linear-gradient(150deg, #03205f 0%, var(--navy-deep) 75%);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(120deg, #000 25%, transparent 70%);
}
.page-hero .eyebrow { color: var(--yolk); }
.page-hero .eyebrow::before { background: var(--yolk); }
.page-hero h1 { font-size: clamp(34px, 4vw, 54px); font-weight: 900; margin-top: 16px; }
.page-hero h1 .en { display: block; font-size: 0.36em; letter-spacing: 0.26em; text-transform: uppercase; color: rgba(255, 255, 255, 0.5); margin-top: 12px; font-weight: 700; }
.page-hero p { margin-top: 18px; max-width: 620px; color: rgba(255, 255, 255, 0.66); font-size: 15px; }
.breadcrumb { margin-top: 30px; font-size: 12.5px; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.5); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb .sep { margin: 0 10px; color: var(--red); }

/* ---------- 案例 / 新闻 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.case-card {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  aspect-ratio: 16 / 10.5;
  cursor: pointer;
}
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease-out); }
.case-card:hover img { transform: scale(1.06); }
.case-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(1, 16, 46, 0.92) 0%, rgba(1, 16, 46, 0.25) 55%, transparent 80%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
  color: #fff;
}
.case-card .tag {
  align-self: flex-start;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--red);
  font-size: 11px;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
}
.case-card h3 { font-size: 21px; font-weight: 800; }
.case-card h3 .en { display: block; font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.6; font-weight: 600; margin-top: 5px; }
.case-card p { font-size: 13px; color: rgba(255, 255, 255, 0.72); margin-top: 10px; max-width: 480px; }

.news-list { display: flex; flex-direction: column; }
.news-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 36px;
  align-items: center;
  padding: 34px 12px;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s, padding 0.3s var(--ease-spring);
}
.news-item:hover { background: var(--bg-tint); padding-left: 24px; }
.news-date { text-align: center; border-right: 2px solid var(--line); padding-right: 24px; }
.news-date .d { font-size: 34px; font-weight: 900; color: var(--navy-ink); line-height: 1.1; }
.news-date .ym { font-size: 12px; letter-spacing: 0.12em; color: var(--text-2); margin-top: 4px; }
.news-item h3 { font-size: 18px; font-weight: 800; color: var(--navy-ink); transition: color 0.25s; }
.news-item:hover h3 { color: var(--red); }
.news-item p { font-size: 13.5px; color: var(--text-2); margin-top: 8px; }
.news-item .arrow {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--navy-ink);
  transition: 0.3s var(--ease-spring);
}
.news-item:hover .arrow { background: var(--red); border-color: var(--red); color: #fff; transform: translate(2px, -2px); }

/* 新闻分类筛选 */
.news-cats { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.news-cats button { padding: 9px 22px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; letter-spacing: 0.1em; color: var(--text-2); cursor: pointer; transition: 0.25s; }
.news-cats button:hover { border-color: var(--red); color: var(--red); }
.news-cats button.on { background: var(--red); border-color: var(--red); color: #fff; }
.news-item .cat { display: inline-block; font-size: 11px; letter-spacing: 0.14em; color: var(--red); border: 1px solid rgba(243, 64, 32, 0.35); padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; }
.news-empty { display: none; text-align: center; padding: 56px 0; font-size: 14px; color: var(--text-2); }
.news-empty.show { display: block; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .contact-cards { grid-template-columns: 1fr; } }
.contact-card {
  display: flex;
  gap: 20px;
  align-items: baseline;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  border-left: 4px solid var(--red);
}
.contact-card .k { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--red); font-weight: 800; flex-shrink: 0; width: 74px; }
.contact-card .v b { display: block; font-size: 17px; color: var(--navy-ink); }
.contact-card .v span { font-size: 12.5px; color: var(--text-2); }

.msg-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 48px;
}
.msg-form h3 { font-size: 22px; font-weight: 800; color: var(--navy-ink); }
.msg-form h3 .en { display: block; font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-2); margin-top: 5px; font-weight: 600; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.form-field { display: flex; flex-direction: column; gap: 8px; margin-top: 22px; }
.form-row .form-field { margin-top: 0; }
.form-field label { font-size: 13px; font-weight: 700; color: var(--navy-ink); letter-spacing: 0.06em; }
.form-field label i { color: var(--red); font-style: normal; }
.form-field input,
.form-field textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 13px 16px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: var(--bg-tint);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-field input:focus,
.form-field textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(243, 64, 32, 0.14); background: #fff; }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-tip { font-size: 12px; color: var(--text-2); margin-top: 14px; }

/* ---------- 文化/历程 ---------- */
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.culture-card {
  border-radius: var(--radius-l);
  padding: 48px 44px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.culture-card.out { background: linear-gradient(135deg, #03205f, var(--navy)); }
.culture-card.in { background: linear-gradient(135deg, var(--red), #c22e10); }
.culture-card .lbl { font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase; opacity: 0.7; }
.culture-card h3 { font-size: 26px; font-weight: 900; margin: 12px 0 14px; }
.culture-card p { font-size: 14px; color: rgba(255, 255, 255, 0.82); }

.timeline { position: relative; padding-left: 36px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline li { position: relative; padding-bottom: 40px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--red);
}
.timeline .year { font-size: 22px; font-weight: 900; color: var(--red); }
.timeline h4 { font-size: 17px; font-weight: 800; color: var(--navy-ink); margin: 6px 0; }
.timeline p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 0;
  background: var(--navy-deep);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: 0.35s var(--ease-out);
  z-index: 90;
  box-shadow: 0 12px 28px rgba(1, 16, 46, 0.3);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--red); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .cap-grid, .product-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-wall { grid-template-columns: repeat(2, 1fr); }
  .industry-cell:nth-child(2n) { border-right: 0; }
  .industry-cell:nth-child(4n) { border-right: 0; }
  .industry-cell:nth-child(n+9) { border-bottom: 1px solid var(--line-light); }
  .industry-cell:nth-child(n+11) { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid, .culture-grid { grid-template-columns: 1fr; gap: 48px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .main-nav, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .site-header { background: rgba(1, 16, 46, 0.96); }
  .site-header.open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    padding: 18px 32px 28px;
    gap: 4px;
    border-top: 1px solid var(--line-light);
  }
  .site-header.open .main-nav a { text-align: left; padding: 12px 0; }
  .hero { min-height: auto; flex-direction: column; }
  .hero-inner { width: 100%; padding: 150px 8vw 70px; }
  .hero-media { position: relative; inset: auto; clip-path: none; height: 46vh; }
  .section { padding: 76px 0; }
  .cta-band { padding: 52px 32px; border-radius: 24px; }
  .msg-form { padding: 32px 24px; }
  .news-item { grid-template-columns: 88px 1fr; }
  .news-item .arrow { display: none; }
  .news-date .d { font-size: 26px; }
}
@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .cap-grid, .product-grid, .adv-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; }
  .industry-wall { grid-template-columns: 1fr 1fr; }
  .about-badge { right: 10px; }
}

/* ---------- 合作伙伴墙 ---------- */
.client-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: #fff;
}
.client-cell {
  padding: 34px 20px;
  text-align: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease-out);
}
.client-cell:nth-child(4n) { border-right: 0; }
.client-cell:nth-child(n+5) { border-bottom: 0; }
.client-cell:hover { background: var(--bg-tint); }
.client-cell b { display: block; font-size: 19px; font-weight: 800; color: var(--navy-ink); letter-spacing: 0.06em; }
.client-cell span { display: block; font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2); margin-top: 6px; }
@media (max-width: 1080px) {
  .client-wall { grid-template-columns: repeat(2, 1fr); }
  .client-cell:nth-child(2n) { border-right: 0; }
  .client-cell:nth-child(n+5) { border-bottom: 1px solid var(--line); }
  .client-cell:nth-child(n+7) { border-bottom: 0; }
}

/* 真实Logo */
.logo-img { height: 44px; width: auto; display: block; }
.site-footer .logo-img { height: 40px; }
@media (max-width: 768px) { .logo-img { height: 34px; } }

/* 制造体系 */
.mfg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.mfg-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.mfg-card:hover { transform: translateY(-6px); box-shadow: 0 28px 56px rgba(1,16,46,.12); }
.mfg-pic { background: linear-gradient(180deg, #f4f7fc, #eef0f4); padding: 18px; }
.mfg-pic img { width: 100%; aspect-ratio: 1 / 1.28; object-fit: contain; }
.mfg-card figcaption { padding: 20px 24px 24px; }
.mfg-card figcaption b { display: block; font-size: 16.5px; font-weight: 800; color: var(--navy-ink); }
.mfg-card figcaption span { display: block; margin-top: 8px; font-size: 12.5px; line-height: 1.7; color: var(--text-2); }
@media (max-width: 900px) { .mfg-grid { grid-template-columns: 1fr; } }

/* 资质证书墙 */
.cert-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 40px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.cert:hover { transform: translateY(-5px); box-shadow: 0 22px 44px rgba(1,16,46,.12); }
.cert img { width: 100%; aspect-ratio: 1 / 1.02; object-fit: contain; padding: 10px; background: #fbfcfe; }
.cert figcaption { padding: 13px 16px 15px; border-top: 1px solid var(--line); font-size: 13.5px; font-weight: 700; color: var(--navy-ink); }
.cert figcaption span { display: block; margin-top: 3px; font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--text-2); }
@media (max-width: 900px) { .cert-wall { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .cert-wall { grid-template-columns: repeat(2, 1fr); } }

/* 业主Logo墙 */
.client-cell { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.client-cell img { width: 78%; max-width: 190px; height: 74px; object-fit: contain; margin-bottom: 10px; filter: saturate(0.9); transition: filter .35s var(--ease-out), transform .35s var(--ease-out); }
.client-cell:hover img { filter: none; transform: translateY(-2px); }
.client-cell b { font-size: 15px; }

/* v3.5 adjustments */
.contact-card .v b.v2 { margin-top: 12px; }

/* 发展历程：阶段卡片式时间轴 */
.j-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 54px; }
.j-node { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px; transition: transform 0.35s var(--ease-out), box-shadow 0.35s, border-color 0.35s; }
.j-node:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(1, 16, 46, 0.1); border-color: rgba(217, 168, 33, 0.55); }
.j-year { font-size: 25px; font-weight: 900; letter-spacing: 0.04em; color: #c9991f; }
.j-node.recent .j-year { color: var(--red); }
.j-node.recent { border-color: rgba(243, 64, 32, 0.45); background: linear-gradient(135deg, #fff, #fff6f3); }
.j-stage { display: block; margin: 10px 0 8px; font-size: 16px; font-weight: 800; color: var(--navy-ink); }
.j-node p { margin: 0; font-size: 13px; line-height: 1.8; color: var(--text-2); }
@media (max-width: 1023px) {
  .j-track { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .j-track { grid-template-columns: 1fr; }
}

/* 联系卡片并排：压缩内边距与标签宽，避免换行 */
.contact-cards .contact-card { padding: 20px 22px; gap: 6px; flex-direction: column; align-items: stretch; }
.contact-cards .contact-card .k { width: auto; font-size: 10px; letter-spacing: 0.14em; }
.contact-cards .contact-card .v b { font-size: 16.5px; }
.contact-cards .contact-card .v span { font-size: 12px; }
.contact-cards .contact-card .v b.v2 { margin-top: 10px; }
@media (max-width: 700px) {
  .contact-cards .contact-card { padding: 22px 24px; }
  .contact-cards .contact-card .v b { font-size: 16.5px; }
}

/* ================= v3.16 泵产品磨损修复（新增业务） ================= */
.repair-intro { display:grid; grid-template-columns:1.15fr .95fr; gap:56px; align-items:center; margin-bottom:64px; }
.repair-lead { font-size:15.5px; line-height:1.9; color:rgba(255,255,255,.86); margin:0 0 10px; }
.repair-lead.en { font-size:12.5px; color:rgba(255,255,255,.5); margin-bottom:0; }
.repair-adv { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:26px 0 30px; }
.repair-adv .ra { background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-left:3px solid var(--red); border-radius:12px; padding:14px 16px; }
.repair-adv .ra b { display:block; font-size:14.5px; color:#fff; margin-bottom:5px; }
.repair-adv .ra b .en { display:block; font-size:10px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--yolk); margin-top:2px; }
.repair-adv .ra p { margin:0; font-size:12px; line-height:1.65; color:rgba(255,255,255,.62); }
.repair-media { position:relative; }
.repair-media img { width:100%; display:block; border-radius:18px; box-shadow:0 30px 60px -24px rgba(0,0,0,.6); }
.repair-badge { position:absolute; right:-14px; bottom:-14px; background:var(--red); border-radius:14px; padding:14px 20px; text-align:center; box-shadow:0 16px 34px -12px rgba(243,64,32,.65); }
.repair-badge b { display:block; font-family:'Barlow Condensed',sans-serif; font-size:24px; font-weight:700; color:#fff; line-height:1.1; }
.repair-badge span { font-size:10px; letter-spacing:.06em; color:rgba(255,255,255,.9); line-height:1.5; }
.repair-steps { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; padding:44px 0 0; border-top:1px solid rgba(255,255,255,.1); }
.repair-steps .rs { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.09); border-radius:14px; padding:20px 18px; transition:.3s; }
.repair-steps .rs:hover { border-color:rgba(243,64,32,.55); transform:translateY(-4px); }
.repair-steps .rs i { font-style:normal; font-family:'Barlow Condensed',sans-serif; font-size:30px; font-weight:700; color:var(--red); line-height:1; }
.repair-steps .rs b { display:block; font-size:15px; color:#fff; margin:8px 0 6px; }
.repair-steps .rs b .en { display:block; font-size:10px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.45); margin-top:2px; }
.repair-steps .rs p { margin:0; font-size:12px; line-height:1.7; color:rgba(255,255,255,.6); }
.repair-photos { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:26px; }
.repair-photos figure { margin:0; background:#f6f8fc; border-radius:14px; overflow:hidden; }
.repair-photos img { width:100%; aspect-ratio:4/3; object-fit:cover; display:block; }
.repair-photos figcaption { padding:10px 14px 12px; font-size:13px; font-weight:600; color:var(--navy); }
.repair-photos figcaption span { display:block; font-size:10px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--gray); margin-top:2px; }
@media (max-width:1000px) {
  .repair-intro { grid-template-columns:1fr; gap:36px; }
  .repair-steps { grid-template-columns:repeat(2,1fr); }
  .repair-photos { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:600px) {
  .repair-adv { grid-template-columns:1fr; }
  .repair-steps { grid-template-columns:1fr; }
  .repair-photos { grid-template-columns:1fr; }
  .repair-badge { right:10px; bottom:-12px; padding:10px 14px; }
  .repair-badge b { font-size:19px; }
}

/* ================= v3.17 厂区图片轮播 ================= */
.f-slider { position:relative; width:100%; aspect-ratio:4/3.4; border-radius:var(--radius-l); overflow:hidden; background:#0a1636; }
.f-slider img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0; transition:opacity 1s ease; border-radius:0; aspect-ratio:auto; }
.f-slider img.on { opacity:1; }
.f-dots { position:absolute; left:0; right:0; bottom:14px; display:flex; gap:7px; justify-content:center; z-index:2; }
.f-dots i { width:7px; height:7px; border-radius:99px; background:rgba(255,255,255,.45); transition:.3s; cursor:pointer; }
.f-dots i.on { width:20px; background:#fff; }

/* ================= V37 营销优化补充 ================= */
/* 合作伙伴 Logo 墙（确认授权后启用） */
.client-wall { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:44px; }
.client-cell { background:#fff; border:1px solid var(--line); border-radius:var(--radius-l); padding:26px 20px; display:flex; align-items:center; justify-content:center; min-height:108px; filter:grayscale(1); opacity:.8; transition:filter .3s, opacity .3s, transform .3s var(--ease-out), box-shadow .3s; }
.client-cell:hover { filter:none; opacity:1; transform:translateY(-4px); box-shadow:0 18px 36px rgba(1,16,46,.1); }
.client-cell img { max-width:100%; max-height:52px; object-fit:contain; }
@media (max-width:860px) { .client-wall { grid-template-columns:repeat(2,1fr); } }

/* 页脚电话链接与二维码 */
.footer-contact a { color:#fff; text-decoration:none; }
.footer-contact a:hover { color:var(--red); }
.footer-contact .qr-img { width:92px; height:92px; object-fit:cover; border-radius:12px; background:#fff; padding:6px; display:block; }
.footer-bottom a { color:rgba(255,255,255,.55); text-decoration:none; }
.footer-bottom a:hover { color:#fff; }

/* 联系页二维码卡片 */
.contact-card a { color:inherit; text-decoration:none; }
.qr-cards { display:flex; gap:18px; margin-top:24px; flex-wrap:wrap; }
.qr-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius-l); padding:18px; text-align:center; width:158px; }
.qr-card img { width:118px; height:118px; object-fit:cover; border-radius:10px; display:block; margin:0 auto; }
.qr-card b { display:block; margin-top:10px; font-size:14px; color:var(--navy-ink); }
.qr-card span { display:block; font-size:11.5px; color:var(--text-2); margin-top:2px; }

/* 修复前后对比（两张居中布局） */
.repair-photos.two { grid-template-columns:repeat(2,1fr); max-width:880px; margin-left:auto; margin-right:auto; }
@media (max-width:600px) { .repair-photos.two { grid-template-columns:1fr; } }