/* ===== 双建机械 - 工业风官网 v3 · 蓝白黄 ===== */

:root {
  --bg-0: #ffffff;
  --bg-1: #f4f7fb;
  --bg-2: #e8eef6;
  --bg-3: #d8e2ee;
  --dark: #0a1e3f;
  --darker: #061634;
  --line: rgba(10, 30, 63, 0.1);
  --line-strong: rgba(10, 30, 63, 0.18);
  --accent: #1e40af;
  --accent-2: #3b82f6;
  --accent-3: #60a5fa;
  --highlight: #facc15;
  --highlight-2: #fbbf24;
  --metal: #4a5d7e;
  --metal-2: #6b7a93;
  --metal-3: #97a3b8;
  --text: #0a1e3f;
  --text-2: #4a5d7e;
  --ok: #10b981;
  --max: 1280px;
  --pad: 24px;
  --radius: 4px;
  --shadow-1: 0 6px 24px rgba(10, 30, 63, 0.08);
  --shadow-2: 0 16px 48px rgba(10, 30, 63, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-2); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); position: relative; }

html.lang-en, html.lang-en body { font-family: 'Oswald', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif; }
html.lang-ja, html.lang-ja body { font-family: 'Noto Sans JP', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif; }
html.lang-en .nav__name strong, html.lang-ja .nav__name strong {
  font-family: 'Oswald', 'Noto Sans JP', sans-serif; letter-spacing: 2px;
}

/* ===== 顶部条 ===== */
.topbar {
  background: var(--dark); border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px; color: rgba(255, 255, 255, 0.7);
}
.topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.topbar__left { display: flex; align-items: center; gap: 10px; }
.topbar__right { display: flex; align-items: center; gap: 12px; }
.topbar__right a { color: rgba(255, 255, 255, 0.9); font-weight: 500; }
.topbar__right a:hover { color: var(--highlight); }
.topbar__right .sep { color: rgba(255, 255, 255, 0.3); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot--live { background: var(--ok); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ===== 导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--transition);
}
.nav.is-scrolled { box-shadow: 0 2px 16px rgba(10, 30, 63, 0.08); }
.nav__inner { display: flex; align-items: center; height: 72px; gap: 32px; }
.nav__brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav__logo { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
.nav__name { display: flex; flex-direction: column; line-height: 1.1; }
.nav__name strong { font-size: 17px; color: var(--text); letter-spacing: 1px; }
.nav__name em {
  font-family: 'Oswald', sans-serif; font-style: normal;
  font-size: 11px; color: var(--accent); letter-spacing: 2px; font-weight: 500;
}
.nav__menu { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav__menu a {
  font-size: 14px; color: var(--text-2); font-weight: 500;
  position: relative; padding: 6px 0;
}
.nav__menu a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width var(--transition);
}
.nav__menu a:hover { color: var(--accent); }
.nav__menu a:hover::after { width: 100%; }
.nav__cta {
  background: var(--accent); color: #fff;
  padding: 10px 22px; font-size: 14px; font-weight: 700;
  border-radius: var(--radius); letter-spacing: 0.5px;
  transition: all var(--transition);
}
.nav__cta:hover {
  background: var(--highlight); color: var(--dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(250, 204, 21, 0.4);
}
.nav__tools { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav__menu + .nav__tools { margin-left: 0; }

/* 语言切换器 */
.lang { position: relative; }
.lang__btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-1); border: 1px solid var(--line-strong);
  color: var(--text-2); padding: 8px 12px; font-size: 13px;
  font-weight: 600; border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition); font-family: inherit;
}
.lang__btn:hover, .lang__btn[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); background: #fff; }
.lang__flag { font-size: 14px; line-height: 1; }
.lang__cur { font-family: 'Oswald', sans-serif; letter-spacing: 1px; font-size: 14px; }
.lang__caret { transition: transform var(--transition); opacity: 0.7; }
.lang__btn[aria-expanded="true"] .lang__caret { transform: rotate(180deg); }
.lang__menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 180px;
  background: #fff; border: 1px solid var(--line-strong);
  border-radius: var(--radius); list-style: none; margin: 0; padding: 6px;
  z-index: 200; opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all var(--transition); box-shadow: var(--shadow-2);
}
.lang__menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang__menu li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; font-size: 14px; color: var(--text-2);
  cursor: pointer; border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}
.lang__menu li:hover { background: var(--bg-1); color: var(--accent); }
.lang__opt { font-weight: 600; color: var(--text); }
.lang__menu li:hover .lang__opt { color: var(--accent); }
.lang__opt-en {
  font-size: 11px; color: var(--metal-2); letter-spacing: 0.5px;
  margin-left: 12px; font-family: 'Oswald', sans-serif;
}
.nav__burger {
  display: none; background: none; border: none;
  flex-direction: column; gap: 5px; cursor: pointer; padding: 8px;
}
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--text); transition: all var(--transition); }

/* ===== HERO（白底 + 浅蓝） ===== */
.hero {
  position: relative;
  min-height: calc(100vh - 108px);
  background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 60%, #e8eef6 100%);
  display: flex; align-items: center;
  overflow: hidden; padding: 60px 0 100px;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(30, 64, 175, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 64, 175, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.gear { position: absolute; animation: rotate 80s linear infinite; }
.gear--xl { width: 700px; height: 700px; top: -180px; right: -250px; opacity: 0.18; }
.gear--md { width: 380px; height: 380px; bottom: -120px; left: -100px; opacity: 0.12; animation-direction: reverse; animation-duration: 60s; }
@keyframes rotate { from { transform: rotate(0); } to { transform: rotate(360deg); } }

.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.hero__eyebrow {
  display: flex; align-items: center; gap: 16px; margin-bottom: 32px;
  font-family: 'Oswald', sans-serif; font-size: 13px;
  letter-spacing: 3px; color: var(--accent); font-weight: 600;
}
.hero__eyebrow .line { display: inline-block; width: 60px; height: 2px; background: var(--accent); }

.hero__title { display: flex; flex-direction: column; gap: 0; line-height: 1; margin-bottom: 32px; }
.hero__title-row {
  font-family: 'Oswald', 'Noto Sans SC', sans-serif;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 700; letter-spacing: -1px;
  color: var(--text); display: block;
}
.hero__title-row--accent {
  color: var(--accent);
  position: relative;
  font-size: clamp(56px, 8.5vw, 120px);
  letter-spacing: -2px; margin: -8px 0;
}
.hero__title-row--small {
  font-size: clamp(16px, 1.6vw, 22px);
  color: var(--metal); font-weight: 500; letter-spacing: 4px;
  margin-top: 24px; font-family: 'Noto Sans SC', sans-serif;
}
html.lang-en .hero__title-row, html.lang-en .hero__title-row--accent { font-family: 'Oswald', sans-serif; }
html.lang-en .hero__title-row--small, html.lang-ja .hero__title-row--small { font-family: inherit; }

.hero__lead { font-size: 17px; color: var(--text-2); line-height: 1.9; margin-bottom: 40px; max-width: 560px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 36px; font-size: 16px; font-weight: 700;
  border-radius: var(--radius); letter-spacing: 1px;
  transition: all var(--transition); cursor: pointer;
  border: 2px solid transparent;
}
.btn--xl { padding: 22px 48px; font-size: 18px; }
.btn--primary { background: var(--highlight); color: var(--dark); border-color: var(--highlight); }
.btn--primary:hover {
  background: var(--highlight-2); border-color: var(--highlight-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(251, 191, 36, 0.4);
}
.btn--ghost { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--ghost:hover { background: var(--accent); color: #fff; }
.btn--outline { background: transparent; color: #fff; border-color: #fff; }
.btn--outline:hover { background: #fff; color: var(--accent); }

.hero__visual { display: flex; align-items: center; justify-content: center; position: relative; }
.hero__gear {
  width: 100%; max-width: 460px;
  filter: drop-shadow(0 8px 24px rgba(30, 64, 175, 0.15));
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.hero__scroll {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--metal-2); font-size: 11px; letter-spacing: 3px;
  font-family: 'Oswald', sans-serif; z-index: 2;
  animation: bounce 2.5s ease-in-out infinite;
}
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }

/* ===== 数据大条（深蓝底 + 黄色数字） ===== */
.stats {
  background: var(--dark);
  background-image: linear-gradient(135deg, #0a1e3f 0%, #1e3a8a 100%);
  border-top: 4px solid var(--highlight);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0; position: relative; color: #fff;
}
.stats::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 40px,
    rgba(255, 255, 255, 0.02) 40px, rgba(255, 255, 255, 0.02) 41px
  );
  pointer-events: none;
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; position: relative; z-index: 1; }
.stats__item { text-align: center; padding: 0 20px; border-right: 1px solid rgba(255, 255, 255, 0.1); }
.stats__item:last-child { border-right: none; }
.stats__num {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(64px, 8vw, 100px);
  font-weight: 700; color: var(--highlight);
  line-height: 1; display: flex; align-items: baseline;
  justify-content: center; gap: 6px; margin-bottom: 12px;
}
.stats__num em { font-style: normal; font-size: 24px; color: rgba(255, 255, 255, 0.7); font-weight: 500; }
.stats__line { width: 40px; height: 2px; background: var(--highlight); margin: 0 auto 12px; opacity: 0.6; }
.stats__label {
  font-size: 14px; color: rgba(255, 255, 255, 0.85);
  letter-spacing: 4px; text-transform: uppercase;
  font-family: 'Oswald', sans-serif;
}

/* ===== Section 通用 ===== */
.section { padding: 100px 0; position: relative; }
.section--alt {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section--alt::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 40px,
    rgba(30, 64, 175, 0.015) 40px, rgba(30, 64, 175, 0.015) 41px
  );
  pointer-events: none;
}
.section--light {
  background: #fff;
  color: var(--text);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section--light .section__title { color: var(--text); }
.section--light .section__sub { color: var(--metal); }
.section--light .kicker { color: var(--accent); }
.section--light .kicker span { background: var(--accent); color: #fff; }
.section__head { text-align: center; margin-bottom: 64px; position: relative; }
.section__head--left { text-align: left; }
.kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: 'Oswald', sans-serif; font-size: 13px;
  color: var(--accent); letter-spacing: 3px;
  margin-bottom: 16px; font-weight: 600;
}
.kicker span {
  font-family: 'JetBrains Mono', monospace;
  color: #fff; background: var(--accent);
  padding: 2px 8px; font-weight: 700;
}
.section__title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900; letter-spacing: 2px;
  margin-bottom: 12px; color: var(--text);
}
.section__sub { font-size: 16px; color: var(--metal); letter-spacing: 0.5px; }

/* ===== 厂家介绍 ===== */
.about { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.about__media { position: relative; aspect-ratio: 1 / 1; }
.about__card {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  position: relative; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 40px; overflow: hidden;
  color: #fff;
}
.about__card::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(255, 255, 255, 0.04) 2px, rgba(255, 255, 255, 0.04) 3px
  );
  pointer-events: none;
}
.about__card-bg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 80%; height: 80%; opacity: 0.4; }
.about__card-tag {
  font-family: 'Oswald', sans-serif; font-size: 14px;
  color: var(--highlight); letter-spacing: 4px; margin-bottom: 16px;
  position: relative; z-index: 1;
}
.about__card-num {
  font-family: 'Oswald', sans-serif; font-size: 140px;
  font-weight: 700; color: #fff; line-height: 1;
  position: relative; z-index: 1; display: flex; align-items: flex-start;
}
.about__card-num sup { font-size: 24px; margin-top: 12px; margin-left: 6px; color: var(--highlight); }
.about__card-name { font-size: 18px; color: #fff; font-weight: 700; margin-top: 12px; letter-spacing: 2px; position: relative; z-index: 1; }
.about__chip {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--highlight); color: var(--dark);
  padding: 20px 28px; border-radius: var(--radius);
  text-align: center; box-shadow: var(--shadow-2); z-index: 2;
}
.about__chip-num { font-family: 'Oswald', sans-serif; font-size: 24px; font-weight: 700; line-height: 1; }
.about__chip-label { font-size: 12px; margin-top: 4px; letter-spacing: 1px; }
.about__body h3 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 20px; line-height: 1.4; }
.about__body p { font-size: 15px; color: var(--text-2); margin-bottom: 16px; line-height: 1.85; }
.about__body strong { color: var(--accent); font-weight: 700; }
.about__meta {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line);
  margin-top: 32px; border: 1px solid var(--line);
}
.meta-item { background: #fff; padding: 16px 20px; }
.meta-item__k { font-size: 12px; color: var(--metal-2); letter-spacing: 1px; margin-bottom: 6px; }
.meta-item__v { font-size: 15px; color: var(--text); font-weight: 600; }

/* ===== 服务卡（交错大卡） ===== */
.services { display: flex; flex-direction: column; gap: 60px; position: relative; }
.service {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: center;
  position: relative;
}
.service::before {
  content: ''; position: absolute; left: 0; right: 0; top: 50%;
  height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  pointer-events: none;
}
.service--reverse { grid-template-columns: 1.4fr 1fr; direction: rtl; }
.service--reverse > * { direction: ltr; }
.service__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #fff 0%, var(--bg-1) 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; transition: all var(--transition);
}
.service:hover .service__media {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}
.service__media::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    45deg, transparent, transparent 20px,
    rgba(30, 64, 175, 0.03) 20px, rgba(30, 64, 175, 0.03) 21px
  );
  pointer-events: none;
}
.service__no {
  position: absolute; top: 24px; left: 28px;
  font-family: 'Oswald', sans-serif; font-size: 72px; font-weight: 700;
  color: var(--bg-3); line-height: 1; transition: color var(--transition);
}
.service:hover .service__no { color: var(--bg-2); }
.service__icon { color: var(--accent); z-index: 1; filter: drop-shadow(0 0 16px rgba(30, 64, 175, 0.25)); width: 140px; height: 140px; display: flex; align-items: center; justify-content: center; }
.service__icon svg { width: 100%; height: 100%; }
.service__deco { position: absolute; width: 70%; height: 70%; top: 50%; left: 50%; transform: translate(-50%, -50%); color: var(--accent); z-index: 0; }
.service__body { padding: 20px 0; }
.service__cat {
  font-family: 'Oswald', sans-serif;
  font-size: 13px; color: var(--accent);
  letter-spacing: 4px; font-weight: 600;
  margin-bottom: 16px; display: inline-block;
  padding-bottom: 6px; border-bottom: 2px solid var(--accent);
}
.service__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 900; color: var(--text);
  margin-bottom: 20px; letter-spacing: 1px; line-height: 1.2;
}
.service__body p { font-size: 16px; color: var(--text-2); line-height: 1.9; margin-bottom: 24px; max-width: 540px; }
.service__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--accent);
  letter-spacing: 2px; text-transform: uppercase;
  font-family: 'Oswald', sans-serif;
  padding: 8px 0; border-bottom: 1px solid var(--accent);
  transition: all var(--transition);
}
.service__link:hover { gap: 16px; color: var(--accent-2); border-color: var(--accent-2); }

/* ===== 产品 ===== */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prod {
  background: #fff; border: 1px solid var(--line);
  padding: 32px 28px; border-radius: var(--radius);
  position: relative; overflow: hidden;
  transition: all var(--transition);
}
.prod:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}
.prod__no {
  font-family: 'Oswald', sans-serif; font-size: 13px;
  color: var(--accent); letter-spacing: 2px;
  margin-bottom: 12px; font-weight: 600;
}
.prod__icon { color: var(--accent); margin-bottom: 20px; width: 72px; height: 72px; display: flex; align-items: center; justify-content: center; }
.prod__icon svg { width: 100%; height: 100%; }
.prod h3 {
  font-size: 22px; font-weight: 700; color: var(--text);
  margin-bottom: 8px; letter-spacing: 1px;
}
.prod__en {
  font-family: 'Oswald', sans-serif; font-size: 11px;
  color: var(--metal-2); letter-spacing: 2px; font-weight: 500;
  margin-bottom: 16px; display: block;
}
.prod p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-top: 8px; }
.prod strong { color: var(--accent); }
.prod--featured {
  background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
  border-color: var(--accent); grid-row: span 2; color: #fff;
}
.prod--featured::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--highlight);
}
.prod--featured h3, .prod--featured .prod__en { color: #fff; }
.prod--featured .prod__en { color: var(--highlight); }
.prod--featured p { color: rgba(255, 255, 255, 0.85); }
.prod--featured strong { color: var(--highlight); }
.prod__spec {
  list-style: none; margin-top: 20px;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.1);
}
.prod__spec li { background: rgba(0, 0, 0, 0.2); padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }
.prod__spec span { font-size: 11px; color: rgba(255, 255, 255, 0.7); letter-spacing: 0.5px; }
.prod__spec b { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--highlight); font-weight: 700; }
.prod__tag {
  position: absolute; top: 16px; right: 16px;
  background: var(--highlight); color: var(--dark);
  padding: 4px 10px; font-size: 11px; font-weight: 700;
  border-radius: 2px; letter-spacing: 0.5px;
}

/* ===== 设备 Tab ===== */
.equip-tab { position: relative; }
.equip-tab__bar {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-bottom: 0;
  background: #fff; border: 1px solid var(--line-strong);
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}
.equip-tab__btn {
  background: transparent; border: none; border-right: 1px solid var(--line);
  padding: 24px 20px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--text-2); font-family: inherit;
  transition: all var(--transition); position: relative;
}
.equip-tab__btn:last-child { border-right: none; }
.equip-tab__btn::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--accent);
  transform: scaleX(0); transition: transform var(--transition);
}
.equip-tab__btn:hover { background: var(--bg-1); color: var(--text); }
.equip-tab__btn.is-active { background: var(--bg-1); color: var(--accent); }
.equip-tab__btn.is-active::after { transform: scaleX(1); }
.equip-tab__no { font-family: 'Oswald', sans-serif; font-size: 12px; color: var(--metal-3); letter-spacing: 2px; }
.equip-tab__btn.is-active .equip-tab__no { color: var(--accent); }
.equip-tab__name { font-size: 18px; font-weight: 700; letter-spacing: 1px; color: inherit; }
.equip-tab__count { font-family: 'Oswald', sans-serif; font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1; }
.equip-tab__panels {
  background: #fff; border: 1px solid var(--line-strong);
  border-top: none; border-radius: 0 0 var(--radius) var(--radius);
  padding: 0; overflow: hidden;
}
.equip-tab__panel { display: none; padding: 48px 40px; animation: fadeIn 0.4s ease; }
.equip-tab__panel.is-active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.equip-panel { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: center; }
.equip-panel__media { position: relative; aspect-ratio: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--accent); }
.equip-panel__big { font-family: 'Oswald', sans-serif; font-size: 160px; font-weight: 700; line-height: 1; letter-spacing: -3px; display: flex; align-items: flex-start; color: var(--accent); z-index: 1; }
.equip-panel__big small { font-size: 32px; color: var(--metal); margin-top: 16px; margin-left: 8px; letter-spacing: 0; }
.equip-panel__sub { font-family: 'Oswald', sans-serif; font-size: 14px; color: var(--metal-2); letter-spacing: 4px; margin-top: 16px; z-index: 1; }
.equip-panel__bg { position: absolute; inset: 0; z-index: 0; opacity: 0.4; }
.equip-panel__list h4 {
  font-size: 20px; color: var(--text); font-weight: 700;
  margin-bottom: 24px; padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-family: 'Oswald', sans-serif; letter-spacing: 2px;
}
.equip-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  font-size: 16px; transition: padding-left var(--transition);
}
.equip-row:hover { padding-left: 8px; }
.equip-row:last-of-type { border-bottom: none; }
.equip-row b { font-family: 'JetBrains Mono', monospace; color: var(--text); font-weight: 600; font-size: 18px; }
.equip-row span { color: var(--metal-2); font-size: 14px; }
.equip-panel__note {
  margin-top: 24px; padding: 16px 20px;
  background: var(--bg-1); border-left: 3px solid var(--accent);
  font-size: 14px; color: var(--text-2); line-height: 1.7;
}

/* ===== 行业卡 ===== */
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ind-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 32px;
  position: relative; transition: all var(--transition); overflow: hidden;
  box-shadow: 0 2px 12px rgba(10, 30, 63, 0.04);
}
.ind-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.ind-card:hover::before { transform: scaleX(1); }
.ind-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: 0 16px 40px rgba(30, 64, 175, 0.15); }
.ind-card__no { font-family: 'Oswald', sans-serif; font-size: 96px; font-weight: 700; color: var(--bg-2); line-height: 1; margin-bottom: 16px; transition: color var(--transition); }
.ind-card:hover .ind-card__no { color: var(--bg-3); }
.ind-card h3 { font-size: 26px; font-weight: 900; color: var(--text); margin-bottom: 16px; letter-spacing: 1px; }
.ind-card p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 24px; }
.ind-card__list { list-style: none; border-top: 1px solid var(--line); padding-top: 20px; }
.ind-card__list li { font-size: 14px; color: var(--text); padding: 8px 0; position: relative; padding-left: 20px; }
.ind-card__list li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---- Partners / Case Studies ---- */
.partners-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 20px; }
.partner-card { background: var(--bg-1); border: 1px solid var(--line); padding: 32px 28px; position: relative; transition: all var(--transition); overflow: hidden; }
.partner-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.partner-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: var(--shadow-2); }
.partner-card:hover::before { transform: scaleX(1); }
.partner-card--featured { background: linear-gradient(135deg, var(--dark) 0%, #0a1e3f 100%); color: #fff; border-color: var(--accent); }
.partner-card--featured::before { background: var(--highlight); transform: scaleX(1); }
.partner-card--featured h3, .partner-card--featured .partner-card__sub { color: #fff; }
.partner-card--featured p { color: rgba(255, 255, 255, 0.85); }
.partner-card__tag { display: inline-block; background: var(--highlight); color: var(--dark); padding: 4px 12px; font-size: 12px; font-weight: 700; letter-spacing: 1px; margin-bottom: 16px; font-family: 'Oswald', sans-serif; }
.partner-card__logo { color: var(--accent); margin-bottom: 20px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.partner-card--featured .partner-card__logo { color: var(--highlight); border-bottom-color: rgba(255, 255, 255, 0.2); }
.partner-card h3 { font-size: 22px; font-weight: 900; color: var(--text); margin-bottom: 6px; letter-spacing: 0.5px; }
.partner-card__sub { font-size: 13px; color: var(--text-2); margin-bottom: 16px; font-family: 'Oswald', sans-serif; letter-spacing: 1px; }
.partner-card p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin-bottom: 0; }
.partner-card__data { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.15); }
.pdata { text-align: center; }
.pdata__k { font-size: 11px; color: rgba(255, 255, 255, 0.6); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 4px; }
.pdata__v { font-family: 'Oswald', sans-serif; font-size: 24px; font-weight: 700; color: var(--highlight); }

/* ---- Certifications ---- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card { background: var(--bg-1); border: 1px solid var(--line); padding: 32px 28px; transition: all var(--transition); position: relative; }
.cert-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.cert-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-1); }
.cert-card:hover::before { transform: scaleX(1); }
.cert-card__icon { color: var(--accent); margin-bottom: 20px; }
.cert-card h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 12px; letter-spacing: 0.5px; }
.cert-card p { font-size: 13px; color: var(--text-2); line-height: 1.7; margin: 0; }
@media (max-width: 980px) {
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .partner-card--featured { grid-column: 1 / -1; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .partners-grid, .cert-grid { grid-template-columns: 1fr; }
  .partner-card--featured { grid-column: auto; }
}

/* ---- FAQ Accordion ---- */
.faq-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-1); border: 1px solid var(--line); border-left: 3px solid var(--accent); transition: all var(--transition); }
.faq-item[open] { background: #fff; box-shadow: var(--shadow-1); }
.faq-item:hover { border-color: var(--accent); }
.faq-q { list-style: none; cursor: pointer; padding: 20px 24px; display: flex; align-items: center; gap: 16px; user-select: none; }
.faq-q::-webkit-details-marker { display: none; }
.faq-no { font-family: 'Oswald', sans-serif; font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: 1px; min-width: 32px; }
.faq-q-text { flex: 1; font-size: 17px; font-weight: 700; color: var(--text); }
.faq-toggle { font-size: 24px; color: var(--accent); font-weight: 300; transition: transform var(--transition); }
.faq-item[open] .faq-toggle { transform: rotate(45deg); }
.faq-a { padding: 0 24px 24px 72px; font-size: 15px; color: var(--text-2); line-height: 1.85; }
.faq-a strong { color: var(--accent); font-weight: 700; }

/* ===== 质量检测 ===== */
.quality { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
.quality__intro h3 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 16px; line-height: 1.4; }
.quality__intro p { font-size: 15px; color: var(--text-2); line-height: 1.85; margin-bottom: 32px; }
.quality__intro strong { color: var(--accent); }
.quality__signature { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); }
.sig { background: #fff; border: 1px solid var(--line); padding: 20px; border-radius: var(--radius); }
.sig__name { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.sig__title { font-size: 12px; color: var(--metal-2); letter-spacing: 1px; }
.quality__table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.qt__row {
  display: grid; grid-template-columns: 80px 1.5fr 60px 1.5fr 80px;
  gap: 16px; padding: 18px 24px; align-items: center;
  border-bottom: 1px solid var(--line); font-size: 14px;
  transition: background var(--transition);
}
.qt__row:last-child { border-bottom: none; }
.qt__row:hover { background: var(--bg-1); }
.qt__row--head { background: var(--bg-2); font-family: 'Oswald', sans-serif; font-size: 12px; letter-spacing: 2px; color: var(--accent); font-weight: 600; }
.qt__row > div:nth-child(1) { font-family: 'JetBrains Mono', monospace; color: var(--metal-2); font-weight: 600; }
.qt__row > div:nth-child(2) { color: var(--text); font-weight: 600; }
.qt__row > div:nth-child(3) { font-family: 'JetBrains Mono', monospace; color: var(--metal-2); font-size: 13px; text-align: center; }
.qt__row > div:nth-child(4) { font-family: 'JetBrains Mono', monospace; color: var(--text-2); }
.qt__row .ok { background: rgba(16, 185, 129, 0.12); color: var(--ok); padding: 4px 10px; border-radius: 2px; font-size: 12px; font-weight: 700; text-align: center; letter-spacing: 1px; }

/* ===== 信任条（深蓝） ===== */
.trust { background: var(--dark); background-image: linear-gradient(135deg, #0a1e3f 0%, #1e3a8a 100%); padding: 60px 0; position: relative; color: #fff; border-top: 1px solid rgba(255, 255, 255, 0.08); border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.trust::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(96, 165, 250, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
  pointer-events: none;
}
.trust__inner { display: grid; grid-template-columns: 80px 1fr auto; gap: 32px; align-items: center; position: relative; z-index: 1; }
.trust__icon {
  color: var(--highlight);
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(250, 204, 21, 0.1);
  border: 1px solid var(--highlight);
  border-radius: var(--radius);
}
.trust__kicker { font-family: 'Oswald', sans-serif; font-size: 12px; color: var(--highlight); letter-spacing: 3px; margin-bottom: 8px; }
.trust__copy h3 { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 8px; letter-spacing: 1px; }
.trust__copy p { font-size: 14px; color: rgba(255, 255, 255, 0.8); line-height: 1.7; }
.trust .btn--outline { color: #fff; border-color: var(--highlight); }
.trust .btn--outline:hover { background: var(--highlight); color: var(--dark); border-color: var(--highlight); }

/* ===== 流程 ===== */
.flow { display: flex; align-items: stretch; gap: 12px; flex-wrap: wrap; justify-content: center; }
.flow__step {
  flex: 1 1 160px; min-width: 160px;
  background: #fff; border: 1px solid var(--line);
  padding: 24px 20px; border-radius: var(--radius);
  text-align: center; transition: all var(--transition);
}
.flow__step:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-1); }
.flow__no { font-family: 'Oswald', sans-serif; font-size: 36px; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.flow__step h4 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: 1px; }
.flow__step p { font-size: 13px; color: var(--text-2); line-height: 1.6; }
.flow__arr { align-self: center; font-family: 'Oswald', sans-serif; font-size: 28px; color: var(--metal-3); font-weight: 300; flex: 0 0 24px; text-align: center; }

/* ===== CTA Banner（白底 + 黄按钮） ===== */
.cta-banner { position: relative; background: #fff; padding: 100px 0; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 60px,
    rgba(30, 64, 175, 0.04) 60px, rgba(30, 64, 175, 0.04) 61px
  );
  pointer-events: none;
}
.cta-banner::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 10% 50%, rgba(30, 64, 175, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 90% 50%, rgba(30, 64, 175, 0.08) 0%, transparent 50%);
  pointer-events: none;
}
.cta-banner__inner { position: relative; z-index: 1; text-align: center; max-width: 800px; margin: 0 auto; }
.cta-banner__kicker { font-family: 'Oswald', sans-serif; font-size: 14px; color: var(--accent); letter-spacing: 4px; margin-bottom: 20px; font-weight: 600; }
.cta-banner__title { font-size: clamp(36px, 5vw, 64px); font-weight: 900; color: var(--text); margin-bottom: 24px; letter-spacing: 1px; line-height: 1.2; }
.cta-banner__lead { font-size: 17px; color: var(--text-2); line-height: 1.9; margin-bottom: 40px; }
.cta-banner__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-banner .btn--ghost { color: var(--accent); border-color: var(--accent); }
.cta-banner .btn--ghost:hover { background: var(--accent); color: #fff; }

/* ===== 联系我们 ===== */
.contact { background: radial-gradient(ellipse at top, rgba(30, 64, 175, 0.06) 0%, transparent 50%), var(--bg-1); }
.contact__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact__card {
  background: #fff; border: 1px solid var(--line);
  padding: 32px 28px; border-radius: var(--radius);
  position: relative; transition: all var(--transition);
}
.contact__card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-1); }
.contact__tag { font-family: 'Oswald', sans-serif; font-size: 12px; color: var(--accent); letter-spacing: 3px; margin-bottom: 16px; font-weight: 600; }
.contact__name { font-size: 32px; font-weight: 900; color: var(--text); margin-bottom: 20px; letter-spacing: 2px; }
.contact__phone {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Oswald', sans-serif; font-size: 28px;
  font-weight: 700; color: var(--accent);
  margin-bottom: 12px; letter-spacing: 1px;
  transition: color var(--transition);
}
.contact__phone:hover { color: var(--accent-2); }
.contact__phone .ic { font-size: 24px; }
.contact__phone--alt { font-size: 14px; color: var(--text-2); font-family: 'Noto Sans SC', sans-serif; font-weight: 500; margin-bottom: 0; }
.contact__hint { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--metal-2); }
.contact__addr { font-size: 18px; color: var(--text); font-weight: 600; line-height: 1.7; margin-bottom: 12px; }
.contact__zip { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--accent); font-weight: 600; }
.contact__domain a {
  font-family: 'Oswald', sans-serif; font-size: 32px;
  font-weight: 700; color: var(--accent);
  letter-spacing: 1px; display: block; margin-bottom: 4px;
}
.contact__biz { display: flex; flex-wrap: wrap; gap: 8px; }
.contact__biz span { background: var(--bg-1); border: 1px solid var(--line); padding: 6px 14px; font-size: 13px; color: var(--text-2); border-radius: 2px; }
.contact__card--full { grid-column: span 3; }
.contact__card--main {
  background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
  border-color: var(--accent); color: #fff;
}
.contact__card--main::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--highlight); }
.contact__card--main .contact__name { color: #fff; }
.contact__card--main .contact__phone { color: var(--highlight); }
.contact__card--main .contact__phone:hover { color: #fff; }
.contact__card--main .contact__hint { color: rgba(255, 255, 255, 0.7); border-top-color: rgba(255, 255, 255, 0.15); }

/* ===== 底部（深蓝） ===== */
.footer { background: var(--darker); color: rgba(255, 255, 255, 0.7); padding: 60px 0 0; }
.footer__inner { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; padding-bottom: 48px; }
.footer__brand p { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 8px; }
.footer__logo { font-family: 'Oswald', sans-serif; font-size: 28px; font-weight: 700; color: var(--highlight); letter-spacing: 3px; margin-bottom: 8px; }
.footer__col h5 { font-size: 14px; color: #fff; font-weight: 700; margin-bottom: 16px; letter-spacing: 1px; }
.footer__col a { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-bottom: 8px; transition: color var(--transition); }
.footer__col a:hover { color: var(--highlight); }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; background: var(--darker); }
.footer__bottom-inner { display: flex; justify-content: space-between; font-size: 12px; color: rgba(255, 255, 255, 0.5); letter-spacing: 0.5px; }

/* ===== 浮动按钮（黄底） ===== */
.float-cta {
  position: fixed; right: 24px; bottom: 24px;
  background: var(--highlight); color: var(--dark);
  padding: 14px 24px; border-radius: 50px;
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 14px;
  box-shadow: 0 8px 24px rgba(250, 204, 21, 0.4);
  z-index: 99; transition: all var(--transition);
}
.float-cta:hover { background: var(--highlight-2); color: var(--dark); transform: translateY(-2px) scale(1.05); box-shadow: 0 12px 32px rgba(251, 191, 36, 0.5); }
.float-cta__ic { font-size: 18px; }

/* ===== 滚动浮现 ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 400px; margin: 0 auto; }
  .about { grid-template-columns: 1fr; }
  .about__media { max-width: 480px; margin: 0 auto; }
  .service, .service--reverse { grid-template-columns: 1fr; gap: 32px; direction: ltr; }
  .service--reverse > * { direction: ltr; }
  .equip-panel { grid-template-columns: 1fr; gap: 32px; }
  .quality { grid-template-columns: 1fr; }
  .ind-grid { grid-template-columns: 1fr; }
  .trust__inner { grid-template-columns: 1fr; text-align: center; }
  .trust__icon { margin: 0 auto; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .topbar__inner { font-size: 12px; }
  .topbar__right { display: none; }
  .nav__inner { height: 60px; gap: 12px; }
  .nav__brand { gap: 8px; }
  .nav__name strong { font-size: 15px; }
  .nav__name em { font-size: 10px; }
  .nav__menu { position: fixed; top: 60px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 24px; gap: 20px; border-bottom: 1px solid var(--line); transform: translateY(-200%); transition: transform var(--transition); }
  .nav__menu.is-open { transform: translateY(0); }
  .nav__tools { gap: 8px; }
  .nav__cta { padding: 8px 14px; font-size: 13px; }
  .lang__btn { padding: 6px 10px; }
  .lang__cur { font-size: 13px; }
  .lang__menu { right: -8px; min-width: 160px; }
  .nav__burger { display: flex; }
  .hero { min-height: auto; padding: 80px 0 60px; }
  .hero__cta { gap: 12px; }
  .hero__lead { font-size: 15px; }
  .btn--xl { padding: 16px 32px; font-size: 16px; }
  .section { padding: 60px 0; }
  .section__head { margin-bottom: 40px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stats__item { border-right: none; }
  .stats__item:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, 0.1); }
  .stats__item:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.1); padding-bottom: 32px; }
  .products { grid-template-columns: 1fr; }
  .prod--featured { grid-row: auto; }
  .equip-tab__bar { grid-template-columns: 1fr 1fr; }
  .equip-tab__btn { padding: 16px 12px; }
  .equip-tab__name { font-size: 14px; }
  .equip-tab__count { font-size: 24px; }
  .equip-tab__panel { padding: 24px 16px; }
  .equip-panel__big { font-size: 100px; }
  .quality__table .qt__row { grid-template-columns: 50px 1fr 60px; }
  .quality__table .qt__row > div:nth-child(4), .quality__table .qt__row > div:nth-child(5) { grid-column: span 2; }
  .quality__signature { grid-template-columns: 1fr; }
  .flow { flex-direction: column; }
  .flow__arr { transform: rotate(90deg); }
  .cta-banner { padding: 60px 0; }
  .cta-banner__btns { flex-direction: column; align-items: center; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__card--full { grid-column: auto; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .float-cta__txt { display: none; }
  .float-cta { padding: 14px 18px; }
  .service__no { font-size: 56px; }
  .ind-card__no { font-size: 72px; }
}