/* ============================================================
   西安国泰华昌电子科技 · 企业官网共享样式
   设计语言：深空蓝 × 青色霓虹 × 玻璃拟态 × 科技光晕
   ============================================================ */

:root {
  /* 深空科技主色 */
  --bg-dark: #060c1a;
  --bg-dark-2: #0a1426;
  --navy: #0b1e3a;
  --navy-2: #102a4e;

  /* 霓虹强调 */
  --blue: #2f7bff;
  --blue-bright: #4f9bff;
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --violet: #7c5cff;

  /* 中性色（浅色内容区） */
  --bg: #f5f8fc;
  --bg-soft: #eef4fb;
  --bg-card: #ffffff;
  --text: #1a2740;
  --text-soft: #4a5d76;
  --muted: #7e8ea3;
  --line: #dde7f3;

  /* 渐变 */
  --grad-neon: linear-gradient(135deg, #2f7bff 0%, #22d3ee 100%);
  --grad-violet: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
  --grad-card: linear-gradient(135deg, #0f2a52 0%, #0a1830 100%);
  --grad-text: linear-gradient(120deg, #4f9bff 0%, #22d3ee 60%, #67e8f9 100%);

  /* 发光 */
  --glow-cyan: 0 0 24px rgba(34, 211, 238, 0.45);
  --glow-blue: 0 10px 30px rgba(47, 123, 255, 0.35);

  /* 排版 */
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --maxw: 1200px;
  --radius: 16px;
  --radius-sm: 10px;

  /* 阴影 */
  --shadow-sm: 0 2px 10px rgba(11, 30, 58, 0.06);
  --shadow: 0 12px 34px rgba(11, 30, 58, 0.12);
  --shadow-lg: 0 28px 70px rgba(8, 20, 42, 0.45);

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

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* 顶部滚动进度条 */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, #2f7bff, #22d3ee, #7c5cff);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.7);
  z-index: 2000; transition: width 0.12s linear;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== 顶部导航 ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(8, 18, 38, 0.55);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.4s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 6px 24px rgba(11, 30, 58, 0.08);
  border-bottom: 1px solid var(--line);
}
.header.menu-open { background: rgba(255, 255, 255, 0.97); border-bottom: 1px solid var(--line); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
  color: #fff;
  transition: color 0.3s;
}
.header.scrolled .brand, .header.menu-open .brand { color: var(--navy); }
.brand .logo-mark {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  display: grid; place-items: center;
  color: #06121f !important; font-weight: 900; font-size: 1.1rem;
  box-shadow: var(--glow-cyan);
}
.brand .brand-sub { font-size: 0.7rem; color: rgba(255,255,255,0.65); font-weight: 600; letter-spacing: 2px; display: block; margin-top: 2px; }
.header.scrolled .brand .brand-sub, .header.menu-open .brand .brand-sub { color: var(--muted); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  position: relative;
  padding: 10px 16px;
  font-size: 0.96rem;
  font-weight: 600;
  color: rgba(255,255,255,0.86);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.header.scrolled .nav-links a, .header.menu-open .nav-links a { color: var(--text-soft); }
.nav-links a:hover { color: var(--cyan); background: rgba(255,255,255,0.06); }
.header.scrolled .nav-links a:hover, .header.menu-open .nav-links a:hover { color: var(--blue); background: var(--bg-soft); }
.nav-links a.active { color: #fff; }
.header.scrolled .nav-links a.active, .header.menu-open .nav-links a.active { color: var(--blue); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 3px; border-radius: 3px;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}

.nav-cta {
  margin-left: 12px;
  background: var(--grad-neon) !important;
  color: #06121f !important;
  padding: 10px 22px !important;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.4);
}
.nav-cta:hover { box-shadow: 0 10px 28px rgba(34, 211, 238, 0.6); transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  border: none; background: transparent;
  cursor: pointer; align-items: center; justify-content: center;
}
.hamburger span {
  width: 24px; height: 2.5px; background: #fff; border-radius: 2px; transition: 0.3s var(--ease);
}
.header.scrolled .hamburger span, .header.menu-open .hamburger span { background: var(--navy); }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===================== 通用区块 ===================== */
.section { padding: 100px 0; position: relative; }
.section.soft {
  background:
    linear-gradient(rgba(34,211,238,0.035) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, rgba(34,211,238,0.035) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--bg-soft);
}
.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.8rem; font-weight: 800; letter-spacing: 3px;
  color: var(--blue); text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: var(--grad-neon); box-shadow: var(--glow-cyan);
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  color: var(--navy);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.text-grad {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.section-head p { margin-top: 18px; color: var(--text-soft); font-size: 1.05rem; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 700; font-size: 0.98rem;
  cursor: pointer; border: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.3s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad-neon); color: #06121f; box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35); }
.btn-primary:hover { box-shadow: 0 12px 32px rgba(34, 211, 238, 0.55); }
.btn-accent { background: var(--grad-violet); color: #fff; box-shadow: 0 8px 24px rgba(124, 92, 255, 0.4); }
.btn-accent:hover { box-shadow: 0 12px 32px rgba(124, 92, 255, 0.6); }
.btn-ghost { background: transparent; color: var(--navy); border: 2px solid var(--line); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

/* ===================== 首页 Hero ===================== */
.hero {
  position: relative;
  padding: 184px 0 120px;
  background:
    radial-gradient(1100px 560px at 82% -12%, rgba(34, 211, 238, 0.20), transparent 60%),
    radial-gradient(900px 620px at -5% 115%, rgba(124, 92, 255, 0.20), transparent 55%),
    linear-gradient(135deg, #06101f 0%, #0a1c38 48%, #060f22 100%);
  color: #fff;
  overflow: hidden;
}
/* 网格 */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120, 180, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 70% 30%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 70% 30%, #000, transparent 78%);
  opacity: 0.8;
  animation: gridFloat 18s linear infinite;
}
/* 漂浮光晕 */
.hero::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px; border-radius: 50%;
  top: -160px; right: -120px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.30), transparent 65%);
  filter: blur(20px);
  animation: orbFloat 14s ease-in-out infinite;
  pointer-events: none;
}
@keyframes gridFloat { from { background-position: 0 0, 0 0; } to { background-position: 48px 48px, 48px 48px; } }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.85; }
  50% { transform: translate(-40px, 50px) scale(1.08); opacity: 1; }
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(34, 211, 238, 0.4);
  box-shadow: inset 0 0 16px rgba(34, 211, 238, 0.12);
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px;
  margin-bottom: 26px; color: #d7f7ff;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(34,211,238,0.3), var(--glow-cyan); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }
.hero h1 {
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  font-weight: 800; line-height: 1.16; letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero h1 .hl {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero p.lead { font-size: 1.16rem; color: rgba(255,255,255,0.82); max-width: 560px; margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-actions .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
.hero-actions .btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(34,211,238,0.08); }

.hero-stats { display: flex; gap: 36px; margin-top: 54px; flex-wrap: wrap; }
.hero-stats .stat { position: relative; }
.hero-stats .stat:not(:last-child)::after {
  content: ""; position: absolute; right: -18px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.18), transparent);
}
.hero-stats .stat .num { font-size: 2.2rem; font-weight: 800; color: #fff; letter-spacing: -1px; }
.hero-stats .stat .num span { color: var(--cyan); }
.hero-stats .stat .label { font-size: 0.9rem; color: rgba(255,255,255,0.66); }

/* Hero 玻璃视觉卡 */
.hero-visual {
  position: relative;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 22px;
  padding: 26px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,0.04);
}
.hero-visual::before {
  content: ""; position: absolute; inset: -1px; border-radius: 22px; padding: 1px;
  background: linear-gradient(135deg, rgba(34,211,238,0.6), transparent 40%, transparent 60%, rgba(124,92,255,0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.hero-visual .vcard {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; padding: 18px; margin-bottom: 14px;
  display: flex; align-items: center; gap: 14px;
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.hero-visual .vcard:hover { transform: translateX(6px); background: rgba(34,211,238,0.12); border-color: rgba(34,211,238,0.4); }
.hero-visual .vicon {
  width: 48px; height: 48px; border-radius: 13px; flex: 0 0 auto;
  display: grid; place-items: center; font-size: 1.3rem;
  background: var(--grad-neon); color: #06121f;
  box-shadow: var(--glow-cyan);
}
.hero-visual .vcard h4 { font-size: 1rem; font-weight: 700; color: #fff; }
.hero-visual .vcard p { font-size: 0.82rem; color: rgba(255,255,255,0.68); }
.hero-visual .vbar { height: 8px; border-radius: 8px; background: rgba(255,255,255,0.12); overflow: hidden; margin-top: 6px; }
.hero-visual .vbar > i { display: block; height: 100%; border-radius: 8px; background: var(--grad-neon); box-shadow: var(--glow-cyan); }

/* ===================== 卡片网格 ===================== */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(11, 30, 58, 0.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 4px 14px rgba(11, 30, 58, 0.05);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute; left: 0; top: 0; height: 3px; width: 100%;
  background: var(--grad-neon);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.card:hover { transform: translateY(-8px); border-color: rgba(34,211,238,0.5); box-shadow: 0 22px 46px rgba(34,211,238,0.16), 0 0 0 1px rgba(34,211,238,0.22); }
.card:hover::after { transform: scaleX(1); }

.feature .ficon {
  width: 58px; height: 58px; border-radius: 15px;
  display: grid; place-items: center; font-size: 1.6rem;
  background: linear-gradient(135deg, #e7f3ff, #d3ecff);
  color: var(--blue);
  margin-bottom: 22px;
  position: relative; overflow: hidden;
}
.feature .ficon::after {
  content: ""; position: absolute; inset: 0; border-radius: 15px;
  box-shadow: inset 0 0 0 1px rgba(47,123,255,0.18);
}
.feature h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.feature p { color: var(--text-soft); font-size: 0.97rem; }

/* 价值/优势带图标 */
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-item .vnum {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 11px;
  background: var(--grad-card); color: var(--cyan); font-weight: 800;
  display: grid; place-items: center; font-size: 1rem;
  box-shadow: 0 6px 16px rgba(11,30,58,0.25);
}

/* ===================== 关于我们 ===================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-img {
  border-radius: 20px; overflow: hidden; position: relative;
  background: var(--grad-card);
  min-height: 400px; box-shadow: var(--shadow);
  display: grid; place-items: center; color: #fff; text-align: center; padding: 30px;
}
.about-img::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120,180,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,255,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}
.about-img .badge-lg { font-size: 3.6rem; font-weight: 900; letter-spacing: -1px; position: relative; }
.about-img .badge-lg .text-grad { -webkit-text-fill-color: transparent; }
.about-img .badge-sm { opacity: 0.85; margin-top: 10px; letter-spacing: 4px; position: relative; }
.timeline { margin-top: 14px; }
.timeline-item { position: relative; padding-left: 32px; padding-bottom: 30px; }
.timeline-item::before {
  content: ""; position: absolute; left: 8px; top: 8px; bottom: -6px; width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(34,211,238,0.15));
}
.timeline-item:last-child::before { display: none; }
.timeline-item::after {
  content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--navy); border: 3px solid #fff; box-shadow: 0 0 0 3px rgba(34,211,238,0.35), var(--glow-cyan);
}
.timeline-item .year { font-weight: 800; color: var(--blue); font-size: 0.95rem; }
.timeline-item h4 { color: var(--navy); font-size: 1.05rem; margin: 2px 0 4px; }
.timeline-item p { color: var(--text-soft); font-size: 0.93rem; }

/* 团队 */
.team-card { text-align: center; }
.team-photo {
  width: 112px; height: 112px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; font-size: 2.1rem; font-weight: 800; color: #06121f;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.team-card h4 { color: var(--navy); font-size: 1.1rem; }
.team-card .role { color: var(--blue); font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.team-card p { color: var(--text-soft); font-size: 0.9rem; }

/* ===================== 产品与服务 ===================== */
.product-card { position: relative; overflow: hidden; }
.product-card .ptag {
  position: absolute; top: 20px; right: 20px;
  font-size: 0.72rem; font-weight: 700; padding: 4px 12px; border-radius: 999px;
  background: rgba(34,211,238,0.12); color: var(--blue); border: 1px solid rgba(34,211,238,0.3);
}
.product-card .picon {
  width: 62px; height: 62px; border-radius: 17px; margin-bottom: 18px;
  display: grid; place-items: center; font-size: 1.7rem; color: #06121f;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.product-card h3 { color: var(--navy); font-size: 1.2rem; margin-bottom: 10px; }
.product-card p { color: var(--text-soft); font-size: 0.95rem; margin-bottom: 16px; }
.product-card ul.checks { display: grid; gap: 9px; }
.product-card ul.checks li { font-size: 0.9rem; color: var(--text-soft); padding-left: 26px; position: relative; }
.product-card ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan); font-weight: 800;
  text-shadow: var(--glow-cyan);
}

/* 服务流程 */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-step { text-align: center; padding: 30px 18px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); position: relative; overflow: hidden; transition: transform 0.3s var(--ease), box-shadow 0.3s; }
.process-step:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(47,123,255,0.14); }
.process-step .pnum {
  width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.3rem; font-weight: 800; color: #06121f;
  background: var(--grad-violet);
  box-shadow: 0 8px 20px rgba(124,92,255,0.4);
}
.process-step h4 { color: var(--navy); font-size: 1.05rem; margin-bottom: 6px; }
.process-step p { color: var(--text-soft); font-size: 0.88rem; }

/* ===================== 新闻动态 ===================== */
.news-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.news-thumb {
  height: 172px; position: relative;
  background: var(--grad-card);
  display: grid; place-items: center; color: rgba(255,255,255,0.9); font-size: 2.4rem;
  overflow: hidden;
}
.news-thumb::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120,180,255,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,255,0.10) 1px, transparent 1px);
  background-size: 30px 30px;
}
.news-thumb .cat {
  position: absolute; top: 14px; left: 14px; font-size: 0.72rem; font-weight: 700;
  padding: 4px 12px; border-radius: 999px; background: rgba(34,211,238,0.18); color: #aef3ff;
  border: 1px solid rgba(34,211,238,0.4); backdrop-filter: blur(4px);
}
.news-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 0.82rem; color: var(--muted); margin-bottom: 8px; }
.news-card h3 { color: var(--navy); font-size: 1.12rem; line-height: 1.4; margin-bottom: 10px; transition: color 0.2s; }
.news-card:hover h3 { color: var(--blue); }
.news-card p { color: var(--text-soft); font-size: 0.92rem; flex: 1; }
.news-card .more { margin-top: 16px; color: var(--blue); font-weight: 700; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px; }
.news-card .more:hover { color: var(--cyan); }

.news-filter { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.news-filter button {
  padding: 9px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--text-soft); font-weight: 600; cursor: pointer; font-size: 0.9rem;
  transition: 0.2s var(--ease);
}
.news-filter button:hover { border-color: var(--blue); color: var(--blue); box-shadow: 0 6px 16px rgba(47,123,255,0.12); }
.news-filter button.active { background: var(--grad-neon); color: #06121f; border-color: transparent; box-shadow: var(--glow-cyan); }

/* ===================== 联系我们 ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.contact-info .info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info .iicon {
  width: 52px; height: 52px; flex: 0 0 auto; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.3rem; color: #06121f;
  background: var(--grad-neon);
  box-shadow: var(--glow-cyan);
}
.contact-info .info-item h4 { color: var(--navy); font-size: 1.02rem; margin-bottom: 2px; }
.contact-info .info-item p { color: var(--text-soft); font-size: 0.95rem; }

.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; box-shadow: 0 12px 34px rgba(11,30,58,0.08); position: relative; overflow: hidden;
}
.form-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--grad-neon);
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--navy); margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.95rem; color: var(--text); background: var(--bg-soft);
  transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--cyan); background: #fff;
  box-shadow: 0 0 0 3px rgba(34,211,238,0.16);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .err { color: #d64545; font-size: 0.82rem; margin-top: 5px; display: none; }
.field.invalid input, .field.invalid textarea { border-color: #d64545; background: #fff5f5; }
.field.invalid .err { display: block; }
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 8px; }
.form-success {
  display: none; padding: 16px 18px; border-radius: var(--radius-sm);
  background: #e7fbf2; color: #0f7a4a; font-weight: 600; border: 1px solid #a9ecd2; margin-bottom: 18px;
}
.form-success.show { display: block; }

.map-placeholder {
  height: 320px; border-radius: var(--radius); overflow: hidden; margin-top: 50px;
  background:
    linear-gradient(rgba(34,211,238,0.05) 1px, transparent 1px) 0 0 / 38px 38px,
    linear-gradient(90deg, rgba(34,211,238,0.05) 1px, transparent 1px) 0 0 / 38px 38px,
    #eef4fb;
  position: relative; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--muted);
}
.map-placeholder .pin {
  width: 56px; height: 56px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg);
  background: var(--grad-neon); display: grid; place-items: center; box-shadow: var(--glow-blue);
}
.map-placeholder .pin span { transform: rotate(45deg); color: #06121f; font-size: 1.4rem; }

/* ===================== 页脚 ===================== */
.footer {
  background:
    radial-gradient(800px 400px at 85% -20%, rgba(34,211,238,0.14), transparent 60%),
    linear-gradient(135deg, #06101f 0%, #0a1a33 100%);
  color: rgba(255,255,255,0.78); padding: 68px 0 30px; position: relative; overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120,180,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
  mask-image: linear-gradient(180deg, transparent, #000);
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; position: relative; }
.footer .brand { color: #fff; margin-bottom: 18px; }
.footer .brand .logo-mark { background: var(--grad-neon); }
.footer-about p { font-size: 0.92rem; max-width: 320px; line-height: 1.8; }
.footer h5 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 700; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.92rem; color: rgba(255,255,255,0.72); transition: color 0.2s; }
.footer-links a:hover { color: var(--cyan); }
.footer-links li { color: rgba(255,255,255,0.72); font-size: 0.92rem; line-height: 1.8; }
.footer-bottom {
  margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: rgba(255,255,255,0.6); position: relative;
}

/* ===================== 滚动动画 ===================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ===================== 响应式 ===================== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 42px; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 12px 24px 22px;
    transform: translateY(-130%); opacity: 0; pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
    box-shadow: var(--shadow);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 12px; border-radius: 0; border-bottom: 1px solid var(--line); color: var(--text-soft) !important; }
  .nav-links a.active { color: var(--blue) !important; }
  .nav-links a.active::after { display: none; }
  .nav-links .nav-cta { margin: 12px 0 0; text-align: center; }
  .hamburger { display: flex; }
  .hero { padding: 132px 0 84px; }
  .hero-stats { gap: 22px; }
  .hero-stats .stat .num { font-size: 1.7rem; }
  .hero-stats .stat:not(:last-child)::after { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
  .container { padding: 0 18px; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero::before, .hero::after { animation: none !important; }
}

/* ===================== 科技风组件 ===================== */
/* 产品体系 / 授权条 */
.partner-strip { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.partner-strip .chip {
  padding: 10px 22px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; font-weight: 700; color: var(--navy); font-size: 0.94rem;
  box-shadow: var(--shadow-sm); transition: 0.2s var(--ease);
}
.partner-strip .chip:hover { border-color: var(--cyan); color: var(--blue); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(34,211,238,0.18); }

/* 行业标签 */
.tags { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tags .tag {
  padding: 9px 20px; border-radius: 10px; background: #fff; color: var(--blue);
  font-weight: 600; font-size: 0.92rem; border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: 0.2s var(--ease);
}
.tags .tag:hover { color: #06121f; background: var(--grad-neon); border-color: transparent; box-shadow: var(--glow-cyan); transform: translateY(-2px); }

/* 授权荣誉条 */
.license-bar {
  background: var(--grad-card);
  color: #fff; border-radius: var(--radius); padding: 30px 36px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap; justify-content: space-between;
  position: relative; overflow: hidden;
  border: 1px solid rgba(34,211,238,0.18);
  box-shadow: var(--shadow);
}
.license-bar::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120,180,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,255,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
}
.license-bar > * { position: relative; }
.license-bar .lb-icon { font-size: 2.4rem; filter: drop-shadow(0 0 10px rgba(34,211,238,0.6)); }
.license-bar h4 { font-size: 1.18rem; }
.license-bar p { color: rgba(255,255,255,0.8); font-size: 0.92rem; }

/* 宗旨横幅 */
.creed { text-align: center; max-width: 880px; margin: 0 auto; }
.creed p { font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--navy); font-weight: 700; line-height: 1.8; }

/* 大数字区块 */
.bignum { font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 900; color: var(--blue); line-height: 1; }

/* CTA 区块 */
.cta-card {
  position: relative; overflow: hidden; text-align: center; border: none;
  background: var(--grad-card);
  padding: 64px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(120,180,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,180,255,0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}
.cta-card > * { position: relative; }
.cta-card h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
.cta-card p { color: rgba(255,255,255,0.82); max-width: 600px; margin: 0 auto 28px; }

/* ===== LOGO 图片 ===== */
.brand .logo-mark { padding: 0; overflow: hidden; }
.brand .logo-mark img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: inherit; }

/* ===== 首页门店实景与荣誉展示 ===== */
.photo-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; }
.photo-card {
  margin: 0; border-radius: 18px; overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 230, 195, 0.22);
  display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.photo-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 230, 195, 0.5);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 230, 195, 0.15);
}
.photo-card img { width: 100%; height: 380px; object-fit: cover; display: block; transition: transform .5s ease; }
.photo-card:hover img { transform: scale(1.04); }
.photo-card figcaption { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 4px; }
.photo-card figcaption b { color: #eaf6ff; font-size: 1rem; }
.photo-card figcaption span { color: rgba(255, 255, 255, 0.65); font-size: 0.86rem; line-height: 1.6; }
@media (max-width: 760px) {
  .photo-grid { grid-template-columns: 1fr; }
  .photo-card img { height: 240px; }
}

/* ===== 联系页微信二维码 ===== */
.qr-card {
  margin-top: 22px; display: flex; gap: 18px; align-items: center;
  padding: 16px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 230, 195, 0.28);
}
.qr-card .qr-img {
  width: 118px; height: 148px; object-fit: cover; flex: none;
  border-radius: 10px; background: #fff; padding: 5px; box-sizing: border-box;
}
.qr-card h4 { margin: 0 0 6px; color: #fff; font-size: 1.05rem; }
.qr-card p { margin: 0; color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; line-height: 1.7; }