/* ===== index 原第 1 个 <style> 块 ===== */
/* ========== CSS变量与重置 ========== */
:root {
  --primary: #1565C0;
  --primary-dark: #0D47A1;
  --primary-light: #42A5F5;
  --primary-glow: rgba(21,101,192,0.4);
  --accent: #F57C00;
  --accent-dark: #E65100;
  --dark: #0A1628;
  --dark-2: #112240;
  --dark-3: #1A3A5C;
  --text: #1A1A2E;
  --text-light: #5A6A7A;
  --text-muted: #8A9AAE;
  --bg: #FFFFFF;
  --bg-gray: #F5F7FA;
  --bg-dark: #0A1628;
  --border: #E0E6ED;
  --max-w: 1680px;
  --nav-h: 80px;
  --topbar-h: 40px;
  --radius: 8px;
  --shadow-sm: 0 2px 8px rgba(10,22,40,0.06);
  --shadow-md: 0 8px 30px rgba(10,22,40,0.1);
  --shadow-lg: 0 20px 60px rgba(10,22,40,0.15);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }
body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }

/* ========== 顶部信息栏 ========== */
.top-bar {
  background: linear-gradient(90deg, #E8F0FE 0%, #F0F6FF 100%);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--text-light);
  border-bottom: 1px solid rgba(21,101,192,0.08);
}
.top-bar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.top-bar-left { display: flex; align-items: center; gap: 28px; }
.top-bar-item { display: flex; align-items: center; gap: 6px; }
.top-bar-item svg { width: 14px; height: 14px; fill: var(--primary); }
.top-bar-right { display: flex; align-items: center; gap: 20px; }
.top-bar-cert { display: flex; align-items: center; gap: 6px; color: var(--primary-dark); font-weight: 500; }
.top-bar-cert svg { width: 14px; height: 14px; fill: var(--accent); }
.lang-switch { display: flex; align-items: center; gap: 4px; }
.lang-switch a { padding: 2px 8px; border-radius: 4px; transition: all 0.2s; }
.lang-switch a.active { background: var(--primary); color: #fff; }
.lang-switch a:not(.active):hover { color: var(--primary); }

/* ========== 主导航 ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { height: 44px; width: auto; display: block; }
.footer-new-brand .logo-img { height: 52px; margin-bottom: 16px; }
.logo-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.logo-icon::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(255,255,255,0.15), transparent 30%);
  animation: logoSpin 6s linear infinite;
}
@keyframes logoSpin { to { transform: rotate(360deg); } }
.logo-icon svg { width: 28px; height: 28px; fill: #fff; position: relative; z-index: 1; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-cn { font-size: 20px; font-weight: 900; color: var(--dark); letter-spacing: 2px; }
.logo-en { font-size: 10px; font-weight: 500; color: var(--text-muted); letter-spacing: 3px; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 18px;
  height: var(--nav-h);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.25s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transition: all 0.3s var(--ease);
  transform: translateX(-50%);
  border-radius: 3px 3px 0 0;
}
.nav-item:hover .nav-link, .nav-item.active .nav-link { color: var(--primary); }
.nav-item:hover .nav-link::after, .nav-item.active .nav-link::after { width: 60%; }
.nav-link svg { width: 12px; height: 12px; fill: currentColor; transition: transform 0.3s; }
.nav-item:hover .nav-link svg { transform: rotate(180deg); }

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 220px;
  background: #fff;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--primary);
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s var(--ease);
  padding: 12px 0;
  z-index: 100;
}
.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.2s;
  position: relative;
}
.dropdown a::before {
  content: '';
  width: 0; height: 2px;
  background: var(--primary);
  transition: width 0.25s;
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
}
.dropdown a:hover { background: var(--bg-gray); color: var(--primary); padding-left: 32px; }
.dropdown a:hover::before { width: 4px; }
.dropdown a svg { width: 16px; height: 16px; fill: var(--primary-light); flex-shrink: 0; }
.dropdown-group-title {
  padding: 10px 24px 6px; font-size: 12px; font-weight: 700;
  color: var(--primary); letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}

.header-right { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 8px; }
.header-phone svg { width: 20px; height: 20px; fill: var(--primary); }
.header-phone-text { display: flex; flex-direction: column; line-height: 1.2; }
.header-phone-label { font-size: 11px; color: var(--text-muted); }
.header-phone-num { font-size: 17px; font-weight: 700; color: var(--primary-dark); }
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s var(--ease);
  box-shadow: 0 4px 15px rgba(245,124,0,0.3);
  position: relative;
  overflow: hidden;
}
.btn-cta::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.5s;
}
.btn-cta:hover::before { left: 100%; }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,124,0,0.4); }
.btn-cta svg { width: 16px; height: 16px; fill: #fff; }

/* 移动端菜单按钮 */
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; z-index: 1001; }
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Banner轮播 ========== */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--dark);
}
.hero-slider {
  position: relative;
  width: 100%;
  height: 680px;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.1s;
}
.hero-slide.active { opacity: 1; visibility: visible; z-index: 2; }
.hero-slide-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  transition: transform 8s ease-out;
}
.hero-slide.active .hero-slide-bg {
  transform: scale(1);
  animation: kenBurns 8s ease-out forwards;
}
@keyframes kenBurns {
  0% { transform: scale(1.15) translate(0, 0); }
  100% { transform: scale(1) translate(-2%, -1%); }
}
.hero-slide-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.7) 45%, rgba(10,22,40,0.2) 100%);
}
.hero-slide-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
}
.hero-slide-inner { max-width: var(--max-w); width: 100%; margin: 0 auto; padding: 0 40px; }
.hero-slide-inner > * { max-width: 640px; }

/* 切换动画 - 元素分层入场 */
.hero-tag, .hero-title, .hero-desc, .hero-buttons, .hero-stats {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s var(--ease);
}
.hero-slide.active .hero-tag { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
.hero-slide.active .hero-title { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.hero-slide.active .hero-desc { opacity: 1; transform: translateY(0); transition-delay: 0.5s; }
.hero-slide.active .hero-buttons { opacity: 1; transform: translateY(0); transition-delay: 0.65s; }
.hero-slide.active .hero-stats { opacity: 1; transform: translateY(0); transition-delay: 0.8s; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: rgba(21,101,192,0.2);
  border: 1px solid rgba(66,165,245,0.4);
  border-radius: 50px;
  color: var(--primary-light);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-tag::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--primary-light);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: 56px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary-light) 0%, #64B5F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-buttons { display: flex; gap: 16px; margin-bottom: 48px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s var(--ease);
  box-shadow: 0 6px 20px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px var(--primary-glow); }
.btn-primary svg { width: 18px; height: 18px; fill: #fff; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s var(--ease);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); transform: translateY(-3px); }
.btn-outline svg { width: 18px; height: 18px; fill: #fff; }

.hero-stats { display: flex; gap: 0; }
.hero-stat {
  padding: 0 32px;
  border-left: 1px solid rgba(255,255,255,0.15);
}
.hero-stat:first-child { padding-left: 0; border-left: none; }
.hero-stat-num {
  font-size: 38px;
  font-weight: 900;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat-num .unit { font-size: 20px; font-weight: 700; }
.hero-stat-label { font-size: 13px; color: rgba(255,255,255,0.6); }

/* Banner切换箭头 */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s var(--ease);
}
.hero-arrow:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-50%) scale(1.1); }
.hero-arrow svg { width: 22px; height: 22px; fill: #fff; }
.hero-arrow.prev { left: 30px; }
.hero-arrow.next { right: 30px; }

/* Banner指示器 */
.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 36px; height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.hero-dot.active { background: rgba(255,255,255,0.3); }
.hero-dot.active::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--primary-light);
  border-radius: 2px;
  animation: dotProgress 6s linear forwards;
}
@keyframes dotProgress { from { width: 0; } to { width: 100%; } }

/* 切换装饰效果 */
.hero-transition {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
}
.hero-transition::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(66,165,245,0.15), transparent);
}
.hero-transition.flash::before {
  animation: flashSweep 0.8s var(--ease);
}
@keyframes flashSweep {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ========== Logo滚动墙 ========== */
.logo-section {
  padding: 48px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.logo-section-title {
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 32px;
  letter-spacing: 1px;
}
.logo-section-title strong { color: var(--primary-dark); font-weight: 600; }
.logo-marquee-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo-marquee {
  flex: 1;
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.logo-marquee-track {
  display: flex;
  gap: 0;                      /* 间距改由 .logo-item 的 margin-right 控制，保证 -50% 无缝 */
  animation: marquee 30s linear infinite;
  width: max-content;
}
.logo-marquee:hover .logo-marquee-track { animation-play-state: paused; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.logo-item {
  flex-shrink: 0;
  height: 72px;
  min-width: 156px;
  margin-right: 24px;          /* 统一间距，配合 translateX(-50%) 无缝 */
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 20px;
  transition: all 0.35s var(--ease);
}
.logo-item img {
  max-height: 38px;
  max-width: 116px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) contrast(1.08);
  opacity: 0.88;               /* 0.62 会把本身偏浅的 logo（如 ALSTOM）洗到看不见 */
  transition: all 0.35s var(--ease);
}
.logo-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.logo-item:hover img { filter: grayscale(0%) contrast(1); opacity: 1; }
.logo-item svg { height: 36px; width: auto; }
.logo-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
  z-index: 2;
}
.logo-arrow:hover { background: var(--primary); border-color: var(--primary); transform: scale(1.1); }
.logo-arrow:hover svg { fill: #fff; }
.logo-arrow svg { width: 20px; height: 20px; fill: var(--text-light); transition: fill 0.3s; }

/* ========== 通用板块 ========== */
.section { padding: 100px 0; }
.section-gray { background: var(--bg-gray); }
.section-dark { background: var(--dark); color: #fff; }
.section-head { text-align: center; margin-bottom: 60px; }
.section-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding: 0 20px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px; height: 1px;
  background: var(--primary);
  opacity: 0.4;
}
.section-eyebrow::before { left: -20px; }
.section-eyebrow::after { right: -20px; }
.section-title {
  font-size: 40px;
  font-weight: 900;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.section-dark .section-title { color: #fff; }
.section-subtitle {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-subtitle { color: rgba(255,255,255,0.6); }

/* ========== 通用板块标题 ========== */
.block-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; }
.block-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; color: var(--accent);
  letter-spacing: 1px; margin-bottom: 12px;
}
.block-label::before { content: ''; width: 3px; height: 14px; background: var(--accent); border-radius: 2px; }
.block-label .en { color: var(--text-muted); font-weight: 400; }
.block-title { font-size: 34px; font-weight: 900; color: var(--text); line-height: 1.3; }
.block-dark .block-title { color: #fff; }
.block-sub { font-size: 15px; color: var(--text-light); margin-top: 10px; max-width: 600px; }
.block-dark .block-sub { color: rgba(255,255,255,0.6); }
.btn-outline-sm {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border: 1.5px solid var(--primary);
  color: var(--primary); font-size: 14px; font-weight: 600;
  border-radius: 50px; transition: all 0.3s; white-space: nowrap;
}
.btn-outline-sm:hover { background: var(--primary); color: #fff; }
.btn-outline-sm svg { width: 14px; height: 14px; fill: currentColor; }

/* ========== 关于我们 ========== */
.about-section {
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 8px,
      rgba(255,255,255,0.018) 8px,
      rgba(255,255,255,0.018) 16px
    ),
    linear-gradient(135deg, #081C33 0%, #0D3A5C 45%, #0A2D4F 100%);
  color: #fff; padding: 90px 0;
  position: relative; overflow: hidden;
}
.about-section::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse, rgba(21,101,192,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  position: relative; z-index: 1;
}
.about-text .block-label { color: var(--primary-light); }
.about-text .block-label::before { background: var(--primary-light); }
.about-text h2 { font-size: 32px; font-weight: 900; margin-bottom: 24px; line-height: 1.3; }
.about-text p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.9; margin-bottom: 16px; }
.about-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; margin-top: 12px;
  border: 1.5px solid #F57C00; color: #F57C00;
  font-size: 14px; font-weight: 600; border-radius: 50px;
  transition: all 0.3s;
}
.about-btn:hover { background: #F57C00; color: #fff; }
.about-btn svg { width: 14px; height: 14px; fill: currentColor; }
.about-right { position: relative; }
.about-factory-cover {
  position: relative; border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.about-factory-img {
  width: 100%; height: 340px; object-fit: cover;
  border-radius: 16px; box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.about-bottom-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px;
}
.about-cleanroom-img {
  width: 100%; height: 160px; object-fit: cover; border-radius: 12px;
}
.about-cleanroom-card {
  background: rgba(255,255,255,0.06); border-radius: 12px;
  padding: 20px; border: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-direction: column; justify-content: center;
}
.about-cleanroom-icon {
  width: 32px; height: 32px; margin-bottom: 12px; color: var(--primary-light);
}
.about-cleanroom-icon svg { width: 28px; height: 28px; fill: currentColor; }
.about-cleanroom-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.about-cleanroom-card p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.7; margin: 0; }
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: auto; padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  position: relative; z-index: 1;
}
.about-text { display: flex; flex-direction: column; }
.about-text .about-btn { margin-bottom: 44px; align-self: flex-start; }
.about-stat { text-align: left; padding: 0; position: relative; }
.about-stat-icon { width: 24px; height: 24px; margin-bottom: 10px; color: rgba(255,255,255,0.5); }
.about-stat-icon svg { width: 22px; height: 22px; fill: currentColor; }
.about-stat-num {
  font-size: 30px; font-weight: 900; color: #F57C00;
  line-height: 1; margin-bottom: 8px;
}
.about-stat-num .unit { font-size: 14px; font-weight: 700; }
.about-stat-label { font-size: 12px; color: rgba(255,255,255,0.6); }

/* ========== 产品中心 ========== */
.products-section { padding: 90px 0; background: #fff; }
.products-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-card-big {
  position: relative; border-radius: 14px; overflow: hidden;
  height: 380px; cursor: pointer;
  transition: all 0.5s var(--ease);
}
.product-card-big:hover { transform: translateY(-8px); box-shadow: 0 25px 60px rgba(0,0,0,0.2); }
.product-card-big-img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center;
  transition: transform 0.8s var(--ease);
}
.product-card-big:hover .product-card-big-img { transform: scale(1.08); }
.product-card-big-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(10,37,64,0.85) 0%, rgba(10,37,64,0.4) 100%);
}
.product-card-big-content {
  position: absolute; bottom: 0; left: 0; width: 100%;
  padding: 32px; color: #fff; z-index: 2;
}
.product-card-num {
  font-size: 48px; font-weight: 900; color: #F57C00;
  line-height: 1; margin-bottom: 8px;
}
.product-card-big h3 { font-size: 26px; font-weight: 900; margin-bottom: 4px; }
.product-card-big .en { font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 2px; margin-bottom: 12px; }
.product-card-big p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 16px; }
.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.product-tag {
  padding: 5px 14px; background: rgba(255,255,255,0.12);
  border-radius: 20px; font-size: 12px; color: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px); transition: all 0.3s;
}
.product-card-big:hover .product-tag { background: rgba(245,124,0,0.25); color: #FFB74D; }
.product-card-arrow {
  position: absolute; bottom: 32px; right: 32px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s var(--ease); z-index: 3;
}
.product-card-big:hover .product-card-arrow {
  background: var(--accent); transform: rotate(-45deg) scale(1.1);
}
.product-card-arrow svg { width: 20px; height: 20px; fill: #fff; }

/* ========== 加工件实拍 ========== */
.gallery-section { padding: 90px 0; background: var(--bg-gray); }
.gallery-wrap { position: relative; }
.gallery-track {
  display: flex; gap: 20px;
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.gallery-track::-webkit-scrollbar { display: none; }
.gallery-item {
  flex: 0 0 380px; height: 280px; scroll-snap-align: start;
  border-radius: 12px; overflow: hidden;
  position: relative; cursor: pointer;
  transition: all 0.4s var(--ease);
}
.gallery-item:hover { transform: translateY(-6px); box-shadow: 0 15px 40px rgba(0,0,0,0.15); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; -webkit-user-drag: none; user-select: none; }
.gallery-track.is-dragging { cursor: grabbing; }
.gallery-track.is-dragging .gallery-item { transition: none; }
.gallery-track.is-dragging .gallery-item img { pointer-events: none; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 50%;
  background: linear-gradient(transparent, rgba(10,37,64,0.7)); opacity: 0; transition: opacity 0.3s;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-arrows { display: flex; gap: 10px; }
.gallery-arrow {
  width: 40px; height: 40px; border-radius: 50%;
  background: #fff; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s; box-shadow: var(--shadow-sm);
}
.gallery-arrow:hover { background: var(--primary); border-color: var(--primary); }
.gallery-arrow:hover svg { fill: #fff; }
.gallery-arrow svg { width: 18px; height: 18px; fill: var(--text-light); transition: fill 0.3s; }
.gallery-arrow.is-off { opacity: 0.3; pointer-events: none; }
/* 旧图集：先隐藏，删掉 hidden 即可恢复 */
.gallery-legacy { display: none; }

/* ========== 应用领域 ========== */
.app-section { padding: 90px 0; background: var(--bg-gray); }
.app-accordion {
  display: flex; gap: 0; border-radius: 14px; overflow: hidden;
  height: 420px; box-shadow: var(--shadow-md);
}
.app-item {
  position: relative; cursor: pointer; overflow: hidden;
  flex: 0 0 80px; transition: flex 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 1px solid rgba(255,255,255,0.08);
}
.app-item:last-child { border-right: none; }
.app-item.active { flex: 1; }
.app-item-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center;
  transition: transform 0.8s var(--ease);
}
.app-item.active .app-item-bg { transform: scale(1.05); }
.app-item-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(10,37,64,0.4) 0%, rgba(10,37,64,0.85) 100%);
  transition: background 0.4s;
}
.app-item.active .app-item-overlay {
  background: linear-gradient(135deg, rgba(10,37,64,0.7) 0%, rgba(10,37,64,0.3) 100%);
}
.app-item-num {
  position: absolute; top: 24px; left: 50%; transform: translateX(-50%);
  font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.5);
  z-index: 2; transition: all 0.4s;
}
.app-item.active .app-item-num {
  top: 32px; left: 32px; transform: none;
  font-size: 56px; font-weight: 900; color: rgba(255,255,255,0.2);
}
.app-item-title-collapsed {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  writing-mode: vertical-rl; text-orientation: mixed;
  font-size: 18px; font-weight: 900; color: #fff;
  letter-spacing: 4px; white-space: nowrap; z-index: 2;
  transition: opacity 0.3s;
}
.app-item.active .app-item-title-collapsed { opacity: 0; }
.app-item-content {
  position: absolute; bottom: 0; left: 0; width: 100%;
  padding: 32px; color: #fff; z-index: 2;
  opacity: 0; transform: translateY(20px);
  transition: all 0.5s 0.15s;
}
.app-item.active .app-item-content { opacity: 1; transform: translateY(0); }
.app-item-content h3 { font-size: 28px; font-weight: 900; margin-bottom: 4px; }
.app-item-content .en { font-size: 12px; color: var(--accent); letter-spacing: 2px; font-weight: 600; margin-bottom: 12px; }
.app-item-content p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.7; margin-bottom: 14px; max-width: 320px; }
.app-item-tags { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.app-item-tag {
  padding: 4px 12px; background: transparent;
  border: 1px solid rgba(245,124,0,0.5);
  border-radius: 20px; font-size: 12px; color: #F57C00;
}
.app-item-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent);
  transition: gap 0.3s;
}
.app-item-link:hover { gap: 12px; }
.app-item-link svg { width: 14px; height: 14px; fill: var(--accent); }
/* 手机端领域切换 tab（≤768 才显示） */
.app-tabs { display: none; }

/* ========== 服务流程 ========== */
.process-section { padding: 90px 0; background: #fff; }
.process-tabs {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; margin-bottom: 0;
}
.process-tab {
  padding: 24px 28px; cursor: pointer;
  background: #fff; border: 1px solid var(--border);
  border-left: none; transition: all 0.4s var(--ease);
  position: relative; overflow: hidden;
}
.process-tab:first-child { border-left: 1px solid var(--border); border-radius: 8px 0 0 8px; }
.process-tab:last-child { border-radius: 0 8px 8px 0; }
.process-tab::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--primary); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.process-tab.active { background: #1565C0; color: #fff; border-color: #1565C0; }
.process-tab.active::before { transform: scaleX(1); }
.process-tab-num {
  font-size: 28px; font-weight: 900; line-height: 1;
  color: #F57C00; margin-bottom: 8px;
  transition: color 0.3s;
}
.process-tab.active .process-tab-num { color: #fff; }
.process-tab h4 { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.process-tab .en { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; transition: color 0.3s; }
.process-tab.active .en { color: rgba(255,255,255,0.6); }
.process-detail {
  background: var(--bg-gray); border-radius: 0 0 12px 12px;
  padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px;
  border: 1px solid var(--border); border-top: none;
  min-height: 280px;
}
.process-detail { display: none; }
.process-detail.active { display: grid; }
.process-detail.fade-in { animation: pdFade .4s ease both; }
@keyframes pdFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.process-detail-left h3 { font-size: 24px; font-weight: 900; margin-bottom: 16px; }
.process-detail-left p { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 24px; }
.process-detail-btns { display: flex; gap: 12px; }
.process-detail-note { font-size: 12px; color: var(--text-muted); margin-top: 12px; }
.process-checklist { display: flex; flex-direction: column; gap: 16px; }
.process-check-item {
  display: flex; gap: 14px; padding: 18px;
  background: #fff; border-radius: 10px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.process-check-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.process-check-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.process-check-icon svg { width: 14px; height: 14px; fill: #fff; }
.process-check-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.process-check-item p { font-size: 13px; color: var(--text-light); margin: 0; line-height: 1.6; }

/* ========== 核心优势 ========== */
.adv-section {
  padding: 90px 0; background: #0D1B2A;
  background-image: radial-gradient(circle at 1px 1px, rgba(66,165,245,0.12) 1px, transparent 0);
  background-size: 30px 30px; color: #fff;
  position: relative;
}
.adv-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 30px;
}
.adv-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 28px; transition: all 0.4s var(--ease);
  backdrop-filter: blur(8px);
}
.adv-card:hover {
  background: rgba(21,101,192,0.2); border-color: rgba(66,165,245,0.4);
  transform: translateY(-6px);
}
.adv-card-icon {
  width: 44px; height: 44px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
}
.adv-card-icon svg { width: 32px; height: 32px; fill: var(--accent); }
.adv-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: #fff; }
.adv-card p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.7; }
.adv-big-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-big-card {
  display: flex; flex-direction: column; padding: 0;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; transition: all 0.4s var(--ease);
  box-sizing: border-box; min-width: 0; overflow: hidden;
}
.adv-big-card-text { min-width: 0; padding: 22px 24px 24px; }
.adv-big-card:hover { background: rgba(21,101,192,0.15); transform: translateY(-4px); border-color: rgba(66,165,245,0.35); }
.adv-big-card-media { position: relative; overflow: hidden; background: rgba(0,0,0,0.25); }
.adv-big-card-media img {
  display: block; width: 100%; height: auto; aspect-ratio: 16/10; object-fit: cover;
  transition: transform 0.6s;
}
.adv-big-card:hover .adv-big-card-media img { transform: scale(1.06); }
.adv-big-card-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 4px 12px; border-radius: 4px; font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  color: #fff; background: rgba(10,22,40,0.82); backdrop-filter: blur(4px);
}
.adv-big-card-text h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: #fff; }
.adv-big-card-text p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.8; }

/* ========== 新闻动态 ========== */
.news-section { padding: 90px 0; background: var(--bg-gray); }
.news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-item {
  background: #fff; border-radius: 12px; overflow: hidden;
  transition: all 0.4s var(--ease); cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.news-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.news-item-img { aspect-ratio: 8 / 5; height: auto; overflow: hidden; position: relative; }
.news-item-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.news-item:hover .news-item-img img { transform: scale(1.08); }
.news-item-body { padding: 24px; }
.news-item-date { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.news-item-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; transition: color 0.3s; }
.news-item:hover .news-item-body h3 { color: var(--primary); }
.news-item-body p { font-size: 13px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; }
.news-item-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600; color: var(--accent);
  transition: gap 0.3s;
}
.news-item:hover .news-item-link { gap: 10px; }
.news-item-link svg { width: 14px; height: 14px; fill: var(--accent); }

/* ========== 联系我们 ========== */
.contact-section {
  position: relative; padding: 80px 0; overflow: hidden;
}
.contact-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center;
}
.contact-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(10,37,64,0.92) 0%, rgba(10,37,64,0.8) 100%);
}
.contact-content {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 400px; gap: 60px; align-items: center;
}
.contact-left h2 { font-size: 32px; font-weight: 900; color: #fff; margin-bottom: 16px; }
.contact-left p { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 28px; max-width: 500px; }
.contact-left-btns { display: flex; gap: 16px; align-items: center; }
.contact-phone-display {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 50px; color: #fff; font-size: 15px; font-weight: 600;
  backdrop-filter: blur(4px);
}
.contact-phone-display svg { width: 16px; height: 16px; fill: #fff; }
.contact-card {
  background: #fff; border-radius: 14px; padding: 32px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}
.contact-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 24px; color: var(--text); }
.contact-card-item {
  display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start;
}
.contact-card-item:last-child { margin-bottom: 0; }
.contact-card-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(21,101,192,0.1); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.contact-card-icon svg { width: 18px; height: 18px; fill: var(--primary); }
.contact-card-item h4 { font-size: 12px; color: var(--text-muted); margin-bottom: 2px; font-weight: 400; }
.contact-card-item p { font-size: 15px; color: var(--text); font-weight: 600; margin: 0; }

/* ========== 页脚 ========== */
.footer-new {
  background: #081828; color: rgba(255,255,255,0.5); padding: 60px 0 0;
}
.footer-new-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1.8fr 1fr 1.5fr;
  gap: 36px; padding-bottom: 40px;
}
.footer-product-sub {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px;
}
.footer-product-sub h5 {
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.7);
  margin-bottom: 10px; grid-column: 1 / -1;
}
.footer-product-sub ul li { margin-bottom: 8px; }
.footer-product-sub ul li a { font-size: 12px; }
.footer-new-brand .logo { margin-bottom: 16px; }
.footer-new-brand .logo-cn { color: #fff; }
.footer-new-brand .logo-en { color: rgba(255,255,255,0.4); }
.footer-new-brand p { font-size: 13px; line-height: 1.8; }
.footer-new-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-new-col ul li { margin-bottom: 10px; }
.footer-new-col ul li a { font-size: 13px; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-new-col ul li a:hover { color: var(--primary-light); }
.footer-new-contact p { font-size: 13px; line-height: 1.8; margin-bottom: 8px; }
.footer-new-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-new-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.footer-new-social a:hover { background: var(--primary); transform: translateY(-2px); }
.footer-new-social a svg { width: 18px; height: 18px; fill: rgba(255,255,255,0.7); }
.footer-new-social a:hover svg { fill: #fff; }
.footer-new-contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 14px; font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6;
}
.footer-new-contact-item svg { width: 16px; height: 16px; fill: var(--primary-light); flex-shrink: 0; margin-top: 2px; }

/* ========== 回到顶部 ========== */
.back-top {
  position: fixed; right: 24px; bottom: 24px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transform: translateY(20px); transition: all 0.3s var(--ease);
  box-shadow: 0 4px 20px rgba(21,101,192,0.4); z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--primary-dark); transform: translateY(-3px); }
.back-top svg { width: 22px; height: 22px; fill: #fff; }
.footer-new-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; display: flex; justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,0.35);
}

/* ========== 进场动画 ========== */
.reveal-up, .reveal-left, .reveal-right, .reveal-scale {
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal-up.visible { opacity: 1; transform: translateY(0); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .container { padding: 0 24px; }
  .nav-link { padding: 0 12px; font-size: 14px; }
  .header-phone-text { display: none; }
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-stat::after { display: none; }
  .adv-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-new-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 992px) {
  .top-bar { display: none; }
  .menu-toggle { display: flex; }
  .nav {
    position: fixed; top: 0; right: 0; width: 0; height: 100vh;
    background: #fff; flex-direction: column; align-items: flex-start;
    padding: 100px 0 40px; gap: 0;
    box-shadow: -10px 0 40px rgba(0,0,0,0.15);
    transition: width 0.4s var(--ease), padding 0.4s var(--ease);
    z-index: 1000; overflow-y: auto; overflow-x: hidden; visibility: hidden;
  }
  .nav.open { width: 320px; max-width: 85vw; padding: 100px 24px 40px; visibility: visible; }
  .nav-item { width: 100%; border-bottom: 1px solid var(--border); }
  .nav-link { height: 56px; padding: 0 8px; justify-content: space-between; }
  .nav-link::after { display: none; }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: none; padding: 0 0 12px 16px;
    display: none; min-width: auto;
  }
  .nav-item.open .dropdown { display: block; }
  .dropdown a { padding: 10px 8px; }
  .dropdown a:hover { padding-left: 14px; background: none; }
  .header-phone { display: none; }
  .btn-cta { padding: 10px 20px; font-size: 14px; }
  .hero-slider { height: 560px; }
  .hero-title { font-size: 40px; }
  .hero-slide-inner { padding: 0 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-bottom-row { grid-template-columns: 1fr; }
  .about-cleanroom-img { height: 200px; }
  .products-cards { grid-template-columns: 1fr; }
  .gallery-item { flex: 0 0 280px; width: 280px; height: 200px; }
  .app-accordion { overflow-x: auto; height: 360px; }
  .app-item { flex: 0 0 60px; min-width: 60px; }
  .app-item.active { flex: 0 0 240px; min-width: 240px; }
  .app-item-title-collapsed { font-size: 14px; letter-spacing: 2px; }
  .app-item.active .app-item-num { font-size: 36px; top: 20px; left: 20px; }
  .app-item-content { padding: 20px; }
  .app-item-content h3 { font-size: 20px; }
  .process-tabs { grid-template-columns: repeat(2, 1fr); }
  .process-tab { border-left: 1px solid var(--border); border-radius: 0; }
  .process-tab:first-child { border-radius: 0; }
  .process-tab:last-child { border-radius: 0; }
  .process-detail { grid-template-columns: 1fr; gap: 30px; padding: 32px; }
  .adv-big-cards { grid-template-columns: repeat(2, 1fr); }
  .adv-big-card-media img { aspect-ratio: 16/9; height: auto; }
  .news-list { grid-template-columns: 1fr; }
  .contact-content { grid-template-columns: 1fr; gap: 40px; }
  .footer-new-grid { grid-template-columns: 1fr 1fr; }
  .footer-new-brand { grid-column: 1 / -1; }
  .footer-new-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .block-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .section, .about-section, .products-section, .gallery-section, .app-section, .process-section, .adv-section, .news-section { padding: 60px 0; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .header .container { padding: 0 12px; }
  .logo-text { display: none; }
  .logo-icon { width: 40px; height: 40px; }
  .logo-icon svg { width: 22px; height: 22px; }
  .header-right { gap: 10px; }
  .btn-cta { padding: 8px 16px; font-size: 13px; }
  .btn-cta svg { width: 14px; height: 14px; }
  .menu-toggle { padding: 6px; }
  .menu-toggle span { width: 20px; }
  .hero-slider { height: 640px; }
  /* 手机端 banner 图改由后台幻灯片 mobile_pic 字段控制（见页尾 PB 补丁），此处不再覆盖 */
  .hero-slide-overlay { background: linear-gradient(180deg, rgba(10,22,40,0.35) 0%, rgba(10,22,40,0.5) 38%, rgba(10,22,40,0.86) 82%, rgba(10,22,40,0.94) 100%); }
  .hero-slide-content { align-items: flex-end; padding-bottom: 80px; }
  .hero-tag { font-size: 13px; padding: 8px 18px; margin-bottom: 18px; }
  .hero-title { font-size: 30px; letter-spacing: 1px; margin-bottom: 16px; }
  .hero-desc { font-size: 14px; margin-bottom: 24px; }
  .hero-buttons { flex-direction: column; gap: 12px; margin-bottom: 32px; }
  .btn-primary, .btn-outline { justify-content: center; padding: 14px 28px; font-size: 15px; }
  .hero-stats { gap: 0; }
  .hero-stat { padding: 0 16px; }
  .hero-stat-num { font-size: 26px; }
  .hero-stat-num .unit { font-size: 14px; }
  .hero-stat-label { font-size: 11px; }
  .hero-arrow { width: 44px; height: 44px; }
  .hero-arrow.prev { left: 12px; }
  .hero-arrow.next { right: 12px; }
  /* 手机端：箭头会压在副标题上，改用圆点+左右滑动切换 */
  .hero-arrow { display: none; }
  .hero-dots { bottom: 24px; }
  .block-title { font-size: 26px; }
  .about-text h2 { font-size: 26px; }
  .about-factory-img { height: 240px; }
  .about-stat-num { font-size: 32px; }
  .product-card-big { height: 320px; }
  .product-card-big h3 { font-size: 22px; }
  .adv-big-cards { grid-template-columns: 1fr; }
  .gallery-item { flex: 0 0 240px; width: 240px; height: 180px; }
  .process-tabs { grid-template-columns: 1fr 1fr; }
  .process-tab { padding: 18px 16px; }
  .process-tab-num { font-size: 22px; }
  .process-tab h4 { font-size: 14px; }
  .process-detail { padding: 24px; }
  .process-detail-left h3 { font-size: 20px; }
  .process-detail-btns { flex-direction: column; }
  .adv-cards { grid-template-columns: 1fr; }
  .adv-big-card { padding: 20px; overflow: hidden; }
  .adv-big-card img { width: 100%; height: 180px; }
  .contact-left h2 { font-size: 26px; }
  .contact-left-btns { flex-direction: column; align-items: flex-start; }
  .contact-card { padding: 24px; }
  .logo-arrow { display: none; }
  .logo-marquee-wrap { padding: 0; }
}

@media (max-width: 480px) {
  .hero-slider { height: 600px; }
  .hero-title { font-size: 26px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .logo-item { height: 58px; min-width: 124px; margin-right: 14px; padding: 0 14px; border-radius: 10px; }
  .logo-item svg { height: 28px; }
  .logo-item img { max-height: 30px; max-width: 92px; }
}
.footer-new .logo-img{filter:brightness(0) invert(1);opacity:0.9}

/* ========== 咨询弹窗（与内页保持一致，首页原本漏了这段，弹窗裸露在页面底部） ========== */
.consult-modal{position:fixed;inset:0;background:rgba(10,22,40,0.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:all .3s}
.consult-modal.show{opacity:1;visibility:visible}
.consult-box{width:520px;max-width:90vw;background:#fff;border-radius:20px;overflow:hidden;transform:scale(0.9) translateY(20px);transition:all .4s var(--ease-bounce);box-shadow:var(--shadow-lg)}
.consult-modal.show .consult-box{transform:scale(1) translateY(0)}
.consult-header{padding:28px 32px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;position:relative}
.consult-header h3{font-size:22px;font-weight:900;margin-bottom:6px}
.consult-header p{font-size:14px;color:rgba(255,255,255,0.7)}
.consult-close{position:absolute;top:20px;right:20px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s}
.consult-close:hover{background:rgba(255,255,255,0.3);transform:rotate(90deg)}
.consult-close svg{width:16px;height:16px;fill:#fff}
.consult-body{padding:32px}
.consult-form-group{margin-bottom:18px}
.consult-form-group label{display:block;font-size:14px;font-weight:600;color:var(--dark);margin-bottom:8px}
.consult-form-group input,.consult-form-group textarea{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;transition:all .3s;outline:none}
.consult-form-group input:focus,.consult-form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(21,101,192,0.1)}
.consult-form-group textarea{resize:vertical;min-height:80px}
.consult-form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consult-submit{width:100%;padding:14px;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;border-radius:10px;font-size:16px;font-weight:700;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer}
.consult-submit:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(245,124,0,0.4)}
.consult-submit svg{width:18px;height:18px;fill:#fff}
@media (max-width:600px){
  .consult-header{padding:22px}
  .consult-body{padding:22px}
  .consult-form-row{grid-template-columns:1fr;gap:0}
}

/* ===== index 原第 2 个 <style> 块 ===== */
/* ===== PB 补丁（勿删） ===== */
.reveal-up.revealed,.reveal-left.revealed,.reveal-right.revealed,.reveal-scale.revealed{opacity:1!important;transform:none!important}
@media (max-width:768px){
  /* 手机端 banner 走后台「幻灯片 → 手机图片」字段（mobile_pic），留空则沿用电脑端图 */
  .hero-slide-bg.has-m-bg{background-image:var(--m-bg)!important;background-size:cover;background-position:center center}

  /* ===== 应用领域：横向折叠条 → tab 切换单卡（6 个系列全部可见） ===== */
  .app-tabs{display:flex;gap:6px;overflow-x:auto;margin:0 0 14px;padding:2px 0 4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .app-tabs::-webkit-scrollbar{display:none}
  .app-tab{flex:1 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:9px 8px;border-radius:999px;background:#fff;border:1px solid var(--border);font-family:inherit;font-size:12.5px;font-weight:600;line-height:1;color:var(--text-light);white-space:nowrap;cursor:pointer;transition:background .25s,color .25s,border-color .25s;-webkit-tap-highlight-color:transparent}
  .app-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}

  .app-accordion{display:block!important;overflow:visible!important;height:auto!important;box-shadow:none!important;border-radius:0!important}
  .app-item{display:none!important;width:100%!important;flex:none!important;min-width:0!important;height:400px;border-right:0!important;border-radius:14px!important;box-shadow:var(--shadow-md);overflow:hidden}
  .app-item.active{display:block!important;flex:none!important}
  .app-item-title-collapsed{display:none!important}
  .app-item.active .app-item-num{top:20px;left:20px;transform:none;font-size:38px}
  .app-item-content{padding:22px}
  .app-item-content h3{font-size:22px}
  .app-item-content p{max-width:none}
}

/* ===== index 原第 3 个 <style> 块 ===== */
/* ===== 英文站手机端 Hero 排版补丁（英文比中文长，原 560/600 装不下，会顶到固定头部下面；勿删） ===== */
@media (max-width:768px){
  .hero .hero-slider{height:800px}
  .hero .hero-slide-content{padding-bottom:32px}
  .hero .hero-tag{font-size:12px;padding:7px 15px;margin-bottom:14px}
  .hero .hero-title{font-size:27px;line-height:1.22;margin-bottom:14px}
  .hero .hero-desc{font-size:13px;line-height:1.65;margin-bottom:18px}
  .hero .hero-buttons{margin-bottom:24px}
  .hero .hero-stat{padding:0 12px}
  .hero .hero-stat-num{font-size:22px;margin-bottom:4px}
  .hero .hero-stat-num .unit{font-size:13px}
  .hero .hero-stat-label{font-size:10.5px;line-height:1.4;display:block}
}

/* ===== 英文站桌面端 Hero 排版补丁（英文标题会排到 4 行，撑破 680px 并压住左右轮播箭头；勿删） ===== */
@media (min-width:993px){
  .hero .hero-slider{height:700px}
  .hero .hero-slide-inner{padding-left:96px;padding-right:96px}
  .hero .hero-slide-inner > *{max-width:700px}
  .hero .hero-tag{font-size:14px;padding:9px 20px;margin-bottom:22px}
  .hero .hero-title{font-size:clamp(38px,3.1vw,52px);line-height:1.18;letter-spacing:1px;margin-bottom:20px}
  .hero .hero-desc{font-size:clamp(15px,1.1vw,16.5px);line-height:1.75;max-width:580px;margin-bottom:30px}
  .hero .hero-buttons{margin-bottom:40px}
  .hero .hero-stats{max-width:780px;width:100%}
  .hero .hero-stat{flex:1 1 0;min-width:0;padding:0 26px}
  .hero .hero-stat-num{font-size:clamp(26px,2.3vw,34px)}
  .hero .hero-stat-label{font-size:12.5px;line-height:1.5}
  .hero .hero-arrow{width:46px;height:46px}
  .hero .hero-arrow.prev{left:22px}
  .hero .hero-arrow.next{right:22px}
}