/* =========================================================
   云圭科技（贵州）官网 · 全局样式 v3.0
   - 设计系统统一：radius/shadow/间距/颜色变量
   - 节奏：section 深浅交替、卡片层级、玻璃态
   - 交互：hover 动效、平滑过渡、移动端优化
   ========================================================= */

:root {
  /* 品牌主色：蓝 → 紫 → 青 渐变链路 */
  --brand: #4F46E5;
  --brand-2: #6366F1;
  --brand-3: #06B6D4;
  --brand-4: #10B981;
  --brand-5: #F59E0B;
  --brand-6: #EC4899;

  /* 文字层级 */
  --text-1: #0F172A;      /* 主标题 */
  --text-2: #334155;      /* 正文主色 */
  --text-3: #64748B;      /* 正文次色 */
  --text-4: #94A3B8;      /* 辅助说明 */
  --text-5: #CBD5E1;      /* 分割线 / 极浅字 */
  --white: #FFFFFF;
  --danger: #EF4444;
  --success: #059669;

  /* 背景层级 */
  --bg-page: #F8FAFC;           /* 页面背景 */
  --bg-soft: #F1F5F9;           /* 浅灰区（交替） */
  --bg-soft-2: #EEF2FF;         /* 品牌淡色区 */
  --bg-card: #FFFFFF;           /* 卡片背景 */
  --bg-glass: rgba(255,255,255,.72);  /* 玻璃态 */
  --bg-dark: #0B1120;           /* 深色 Footer */

  /* 边框 */
  --border: #E2E8F0;
  --border-2: #EAEEF5;

  /* 圆角系统 */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-pill: 999px;

  /* 阴影系统 */
  --s-0: 0 1px 2px rgba(15,23,42,.04);
  --s-sm: 0 2px 8px rgba(15,23,42,.05);
  --s-md: 0 8px 24px -8px rgba(15,23,42,.10);
  --s-lg: 0 20px 48px -16px rgba(79,70,229,.22);
  --s-xl: 0 32px 64px -20px rgba(15,23,42,.25);
  --s-glow: 0 20px 60px -10px rgba(79,70,229,.45);

  /* 间距 (8px grid) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;

  /* 动画 */
  --t-fast: .2s cubic-bezier(.4,0,.2,1);
  --t-base: .35s cubic-bezier(.4,0,.2,1);
  --t-slow: .6s cubic-bezier(.16,1,.3,1);

  /* 主容器 */
  --container: 1200px;
}

/* Reset */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body {
  font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size:16px; line-height:1.7; color:var(--text-2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; transition:color var(--t-fast); }
a:hover { color:var(--brand-2); }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input, textarea, select {
  font-family:inherit; font-size:15px; color:var(--text-1);
  border:1.5px solid var(--border); border-radius:var(--r-md);
  padding:12px 14px; background:#fff; width:100%; outline:none;
  transition:all var(--t-fast);
}
input:focus, textarea:focus, select:focus {
  border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(99,102,241,.10);
  background:#fff;
}
input::placeholder, textarea::placeholder { color:var(--text-4); }
em { font-style:normal; color:var(--danger); margin-left:2px; }

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

/* ==================== 通用按钮 ==================== */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding:12px 24px; border-radius:var(--r-pill);
  font-weight:600; font-size:15px; line-height:1;
  transition:all var(--t-base); white-space:nowrap;
  position:relative; overflow:hidden;
}
.btn-lg { padding:15px 30px; font-size:16px; }
.btn-sm { padding:8px 16px; font-size:14px; }
.w-full { width:100%; }

.btn-primary {
  background:linear-gradient(135deg, #4F46E5 0%, #6366F1 50%, #06B6D4 100%);
  color:#fff;
  background-size:180% 180%;
  box-shadow:0 10px 24px -8px rgba(79,70,229,.55);
}
.btn-primary:hover {
  color:#fff; background-position:100% 0;
  transform:translateY(-2px);
  box-shadow:0 18px 36px -10px rgba(79,70,229,.7);
}
.btn-primary:active { transform:translateY(0); }

.btn-ghost {
  background:#fff; color:var(--brand);
  border:1.5px solid var(--border-2);
  box-shadow:var(--s-sm);
}
.btn-ghost:hover {
  color:var(--brand-2); border-color:var(--brand-2);
  background:#EEF2FF; transform:translateY(-2px);
}

.btn-white {
  background:#fff; color:var(--brand);
  box-shadow:var(--s-md);
}
.btn-white:hover { transform:translateY(-2px); box-shadow:var(--s-lg); }

/* CTA glow */
.btn-glow::after {
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%),
    rgba(255,255,255,.35), transparent 40%);
  opacity:0; transition:opacity var(--t-base); pointer-events:none;
}
.btn-glow:hover::after { opacity:1; }

/* ==================== 通用 Section ==================== */
section { padding:var(--s-20) 0; position:relative; }
.section-alt { background:var(--bg-soft); }
.section-brand {
  background:
    radial-gradient(1200px 600px at 0% -10%, rgba(99,102,241,.10), transparent 60%),
    radial-gradient(1000px 500px at 100% 110%, rgba(6,182,212,.10), transparent 60%),
    var(--bg-soft-2);
}

.sec-head { text-align:center; margin-bottom:var(--s-16); position:relative; }
.sec-head .eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 16px; border-radius:var(--r-pill);
  background:rgba(79,70,229,.08); color:var(--brand);
  font-size:13px; font-weight:600; letter-spacing:.4px;
  margin-bottom:16px;
}
.sec-head .dot { width:6px; height:6px; border-radius:50%; background:var(--brand-2); }
.sec-head h2 {
  font-size:clamp(28px, 4vw, 42px);
  font-weight:800; line-height:1.25; color:var(--text-1);
  letter-spacing:-.5px;
}
.sec-head h2 span {
  background:linear-gradient(135deg, var(--brand), var(--brand-3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sec-head p {
  max-width:680px; margin:16px auto 0; color:var(--text-3);
  font-size:clamp(14px, 1.4vw, 16px); line-height:1.8;
}

/* ==================== 导航 ==================== */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(226,232,240,.8);
  transition:all var(--t-base);
}
.navbar.scrolled {
  box-shadow:0 10px 30px -20px rgba(15,23,42,.25);
}
/* 统一全局 Logo：导航 & Footer 都水平排列 */
a.logo, .logo {
  display:inline-flex; align-items:center; gap:10px;
  font-weight:800; text-decoration:none;
}
.nav-wrap {
  max-width:var(--container); margin:0 auto;
  padding:0 24px; height:68px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.logo-mark {
  width:36px; height:36px; border-radius:var(--r-sm);
  background:linear-gradient(135deg, #4F46E5, #06B6D4);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-size:16px; font-weight:800; letter-spacing:.5px;
  box-shadow:0 6px 16px -6px rgba(79,70,229,.6);
}
.logo-text {
  font-size:18px; color:var(--text-1); letter-spacing:.3px;
}
.nav-links {
  display:flex; align-items:center; gap:4px; list-style:none;
}
.nav-links a {
  display:block; padding:8px 16px; border-radius:var(--r-pill);
  color:var(--text-2); font-size:15px; font-weight:500;
  position:relative; text-decoration:none;
}
.nav-links a:hover, .nav-links a.active {
  color:var(--brand-2); background:rgba(99,102,241,.06);
}
.nav-search {
  position:relative; display:flex; align-items:center; flex:0 0 auto;
}
.nav-search input {
  width:220px; height:40px; padding:0 16px 0 38px;
  border-radius:var(--r-pill); background:var(--bg-soft);
  border:1.5px solid transparent; font-size:14px;
  transition:all var(--t-base);
}
.nav-search input:focus { background:#fff; border-color:var(--brand-2); width:260px; outline:none; }
.nav-search .ns-ico {
  position:absolute; left:12px; top:50%; transform:translateY(-50%);
  width:18px; height:18px; color:#64748B; pointer-events:none;
}

/* 搜索结果面板（新版类名：ns-panel） */
.ns-panel {
  position:absolute; top:calc(100% + 8px); right:0; width:360px;
  max-height:420px; overflow-y:auto;
  background:#fff; border-radius:var(--r-lg); box-shadow:var(--s-xl);
  border:1px solid var(--border-2); padding:10px; z-index:10;
  display:none;
}
.ns-panel.show { display:block; }
.ns-item {
  display:flex; align-items:flex-start; gap:12px;
  padding:12px 14px; border-radius:var(--r-md);
  cursor:pointer; transition:background var(--t-fast);
}
.ns-item:hover { background:var(--bg-soft); }
.ns-icon {
  width:36px; height:36px; border-radius:10px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:14px;
}
.ns-item-body b { font-size:14px; color:var(--text-1); font-weight:600; display:block; margin-bottom:2px; }
.ns-item-body p { font-size:12px; color:var(--text-3); line-height:1.5; margin:0; }
.ns-empty, .ns-hint { padding:14px; text-align:center; color:var(--text-4); font-size:13px; border-radius:var(--r-md); }
.ns-hint { background:var(--bg-soft); color:var(--text-2); margin-bottom:6px; text-align:left; }
.ns-group-title {
  padding:8px 12px 4px; font-size:11.5px; font-weight:700;
  color:var(--text-4); text-transform:uppercase; letter-spacing:.8px;
}
.ns-panel mark { background:rgba(245,158,11,.18); color:#b45309; padding:0 2px; border-radius:3px; }

/* 移动端菜单按钮 */
.menu-toggle {
  display:none; width:40px; height:40px; align-items:center; justify-content:center;
  border-radius:var(--r-sm); background:var(--bg-soft); cursor:pointer;
  flex-direction:column; gap:5px; border:none; padding:0;
}
.menu-toggle span {
  display:block; width:22px; height:2px; border-radius:2px;
  background:var(--text-2); transition:all var(--t-fast);
}
.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); }

/* ==================== HERO 首屏 ==================== */
.hero {
  padding:120px 0 100px; position:relative; overflow:hidden;
  min-height:100vh;
  min-height:100svh;
  min-height:100dvh;
  background:
    /* 顶部高光 */
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99,102,241,.22), transparent 70%),
    /* 右下角光晕 */
    radial-gradient(600px 400px at 95% 90%, rgba(6,182,212,.20), transparent 60%),
    /* 左下角光晕 */
    radial-gradient(500px 400px at 5% 90%, rgba(16,185,129,.15), transparent 60%),
    /* 基础渐变 */
    linear-gradient(180deg, #FFFFFF 0%, #F1F5FF 50%, #F0F9FF 100%);
}
/* 网格点阵背景 */
.hero::before {
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(99,102,241,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.08) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 80%);
  pointer-events:none;
}
/* 浮动装饰 */
.hero-dot {
  position:absolute; border-radius:50%; pointer-events:none;
  filter:blur(40px); opacity:.55; animation:floatY 7s ease-in-out infinite;
}
.hero-dot-1 { width:320px; height:320px; top:8%; right:8%;
  background:radial-gradient(circle, rgba(99,102,241,.65), transparent 60%); }
.hero-dot-2 { width:260px; height:260px; bottom:10%; left:6%;
  background:radial-gradient(circle, rgba(6,182,212,.55), transparent 60%);
  animation-delay:-3s; }
.hero-dot-3 { width:200px; height:200px; top:40%; left:42%;
  background:radial-gradient(circle, rgba(236,72,153,.4), transparent 60%);
  animation-delay:-5s; }

@keyframes floatY {
  0%, 100% { transform:translateY(0); }
  50% { transform:translateY(-24px); }
}

.hero-inner {
  max-width:var(--container); margin:0 auto; padding:0 24px;
  position:relative; z-index:2;
}
.hero-eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 18px 8px 12px; border-radius:var(--r-pill);
  background:var(--bg-glass); backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--s-md);
  font-size:14px; font-weight:600; color:var(--brand-2);
  margin-bottom:28px;
  animation:fadeUp .8s ease both;
}
.hero-eyebrow .hb-pill {
  background:linear-gradient(135deg, var(--brand-4), var(--brand-3));
  color:#fff; font-size:12px; font-weight:700;
  padding:3px 10px; border-radius:var(--r-pill);
  box-shadow:0 6px 14px -6px rgba(16,185,129,.5);
}

.hero-title {
  font-size:clamp(32px, 5.6vw, 64px);
  font-weight:900; letter-spacing:-1.2px;
  color:var(--text-1); line-height:1.12;
  margin-bottom:28px;
  animation:fadeUp .9s .1s ease both;
}
.hero-title .grad {
  background:linear-gradient(135deg, #4F46E5 0%, #6366F1 35%, #06B6D4 70%, #10B981 100%);
  background-size:200% 200%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:gradMove 8s ease infinite;
}
@keyframes gradMove {
  0%,100% { background-position:0% 50%; }
  50% { background-position:100% 50%; }
}
.hero-subtitle {
  max-width:760px;
  font-size:clamp(15px, 1.6vw, 19px);
  line-height:1.8; color:var(--text-2);
  margin-bottom:36px;
  animation:fadeUp 1s .2s ease both;
}
.hero-subtitle b { color:var(--text-1); font-weight:600; }

.hero-ctas {
  display:flex; align-items:center; flex-wrap:wrap;
  gap:14px 16px; margin-bottom:44px;
  animation:fadeUp 1.1s .3s ease both;
}
.hero-ctas .btn-primary svg { transition:transform var(--t-base); }
.hero-ctas .btn-primary:hover svg { transform:translateX(4px); }
.hero-ctas .btn-ghost svg { transition:transform var(--t-base); }
.hero-ctas .btn-ghost:hover svg { transform:rotate(8deg) scale(1.05); }

@keyframes fadeUp {
  from { opacity:0; transform:translateY(20px); }
  to { opacity:1; transform:translateY(0); }
}

/* Hero 信任条 */
.hero-trust {
  display:flex; align-items:center; flex-wrap:wrap; gap:10px 22px;
  margin-bottom:56px; color:var(--text-3); font-size:14px;
  animation:fadeUp 1.2s .4s ease both;
}
.ht-sep { width:1px; height:14px; background:var(--text-5); }
.ht-item { display:inline-flex; align-items:center; gap:8px; }
.ht-item svg { color:var(--brand-4); }

/* Hero 数据卡 · 玻璃态 */
.hero-stats {
  display:grid; grid-template-columns:repeat(4, 1fr);
  gap:16px;
  position:relative; z-index:2;
  animation:fadeUp 1.3s .5s ease both;
}
.stat-card {
  position:relative;
  padding:24px 22px;
  background:var(--bg-glass);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border:1.5px solid rgba(255,255,255,.8);
  border-radius:var(--r-lg);
  box-shadow:var(--s-md);
  transition:all var(--t-base);
  overflow:hidden;
}
.stat-card::before {
  content:""; position:absolute; left:0; top:0; width:4px; height:100%;
  background:linear-gradient(180deg, var(--brand-2), var(--brand-3));
  opacity:.9;
}
.stat-card.c2::before { background:linear-gradient(180deg, var(--brand-3), var(--brand-4)); }
.stat-card.c3::before { background:linear-gradient(180deg, var(--brand-5), var(--brand-6)); }
.stat-card.c4::before { background:linear-gradient(180deg, var(--brand-6), var(--brand-2)); }
.stat-card:hover {
  transform:translateY(-6px);
  box-shadow:var(--s-lg);
  background:rgba(255,255,255,.92);
}
.stat-num {
  font-size:clamp(28px, 3.2vw, 42px);
  font-weight:900; letter-spacing:-.5px; line-height:1;
  background:linear-gradient(135deg, var(--brand), var(--brand-3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:8px;
}
.stat-num sup { font-size:18px; font-weight:700; margin-right:2px; }
.stat-label { font-size:14px; color:var(--text-3); font-weight:500; line-height:1.5; }
.stat-label b { color:var(--text-1); font-weight:600; }
.stat-sub { font-size:12px; color:var(--text-4); margin-top:6px; }

/* ==================== 服务卡 ==================== */
.service-grid {
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:22px; position:relative;
}
.service-card {
  position:relative; padding:32px 28px;
  background:var(--bg-card);
  border:1.5px solid var(--border-2);
  border-radius:var(--r-xl);
  box-shadow:var(--s-0);
  transition:all var(--t-base);
  overflow:hidden;
}
.service-card::after {
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg, var(--brand), var(--brand-3));
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--t-base);
}
.service-card:hover {
  transform:translateY(-8px);
  box-shadow:var(--s-lg);
  border-color:rgba(99,102,241,.25);
}
.service-card:hover::after { transform:scaleX(1); }
.service-card:hover .sc-ico {
  transform:scale(1.08) rotate(-4deg);
  box-shadow:var(--s-glow);
}

.sc-ico {
  width:56px; height:56px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; margin-bottom:20px;
  transition:all var(--t-base);
  position:relative; z-index:1;
}
.sc-ico svg { filter:drop-shadow(0 2px 4px rgba(0,0,0,.15)); }
.ic-1 { background:linear-gradient(135deg,#4F46E5,#6366F1); }
.ic-2 { background:linear-gradient(135deg,#06B6D4,#0EA5E9); }
.ic-3 { background:linear-gradient(135deg,#10B981,#14B8A6); }
.ic-4 { background:linear-gradient(135deg,#F59E0B,#F97316); }
.ic-5 { background:linear-gradient(135deg,#8B5CF6,#A855F7); }
.ic-6 { background:linear-gradient(135deg,#EC4899,#F43F5E); }

.service-card h3 {
  font-size:20px; font-weight:800; color:var(--text-1);
  margin-bottom:10px; letter-spacing:-.2px;
}
.service-card p {
  font-size:14.5px; color:var(--text-3);
  line-height:1.75; margin-bottom:18px;
}

/* 服务亮点列表 */
.sc-hl {
  list-style:none; margin-bottom:18px;
  display:flex; flex-direction:column; gap:8px;
}
.sc-hl li {
  display:flex; align-items:flex-start; gap:8px;
  font-size:13.5px; color:var(--text-2); line-height:1.55;
}
.sc-hl li::before {
  content:""; flex:0 0 18px; width:18px; height:18px; margin-top:1.5px;
  background:var(--bg-soft-2) no-repeat center/14px;
  border-radius:6px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234F46E5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}

/* 服务场景/案例标签 */
.sc-meta {
  display:flex; flex-wrap:wrap; gap:8px;
  padding-top:16px; border-top:1px dashed var(--border);
  margin-bottom:14px;
}
.sc-meta .chip {
  font-size:12px; font-weight:500;
  padding:4px 10px; border-radius:var(--r-pill);
  background:var(--bg-soft); color:var(--text-3);
  border:1px solid var(--border-2);
}
.sc-meta .chip.case-tag {
  background:rgba(16,185,129,.08);
  color:#047857; border-color:rgba(16,185,129,.2);
  font-weight:600;
}

/* 卡底 CTA：上下排布，彻底解决左右对齐+折行问题 */
.sc-foot {
  display:flex; flex-direction:column; align-items:stretch;
  gap: 10px;
  padding-top:14px;
}
/* 上方「🏷️ 适用场景」标签：占满宽度，可1-2行，柔和背景不刺眼 */
.sc-foot .chip {
  width: 100%;
  font-size:13px; line-height:1.6; font-weight:500;
  padding:7px 13px;
  color:var(--text-2);
  background: var(--bg-soft);
  border:1px solid var(--border-2);
  border-radius: calc(var(--r-md));
  word-break: break-word;
}
/* 下方「免费咨询 →」按钮：靠右对齐，单行显示，点击感强 */
.sc-link {
  align-self: flex-end;
  display:inline-flex; align-items:center; gap:6px;
  font-size:14px; font-weight:700; color:#fff;
  padding: 10px 18px; border-radius:var(--r-pill);
  background: linear-gradient(135deg, var(--brand), var(--brand-3));
  box-shadow: 0 4px 12px rgba(99,102,241,.25);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
.sc-link:hover {
  filter: brightness(1.08);
  transform: translateX(4px);
  box-shadow: 0 6px 16px rgba(99,102,241,.32);
}
.sc-link svg { transition: transform var(--t-fast); flex-shrink: 0; }
.sc-link:hover svg { transform: translateX(2px); }

/* ==================== 行业卡 ==================== */
.industry-grid {
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:22px;
}
.ind-card {
  position:relative; overflow:hidden;
  padding:30px 28px;
  border-radius:var(--r-xl);
  background:#fff;
  border:1.5px solid var(--border-2);
  transition:all var(--t-base);
  box-shadow:var(--s-0);
}
/* 序号水印 */
.ind-card::before {
  content:attr(data-num);
  position:absolute; right:-6px; top:-24px;
  font-size:150px; font-weight:900; line-height:1;
  color:var(--bg-soft); letter-spacing:-6px;
  font-family:"Helvetica Neue", Arial, sans-serif;
  transition:all var(--t-base);
  user-select:none; pointer-events:none;
}
.ind-card::after {
  content:""; position:absolute; inset:0; border-radius:inherit;
  background:linear-gradient(135deg, var(--card-grad-a), var(--card-grad-b));
  opacity:0; transition:opacity var(--t-base); z-index:0;
}
.ind-card > * { position:relative; z-index:1; }
.ind-card.i-1 { --card-grad-a:rgba(59,130,246,.08); --card-grad-b:rgba(99,102,241,.08); }
.ind-card.i-2 { --card-grad-a:rgba(16,185,129,.08); --card-grad-b:rgba(6,182,212,.08); }
.ind-card.i-3 { --card-grad-a:rgba(245,158,11,.08); --card-grad-b:rgba(236,72,153,.08); }

.ind-card:hover {
  transform:translateY(-8px);
  box-shadow:var(--s-lg);
  border-color:transparent;
}
.ind-card:hover::before {
  transform:translate(8px, -8px) scale(1.08);
  color:rgba(99,102,241,.12);
}
.ind-card:hover::after { opacity:1; }

.ind-head {
  display:flex; align-items:flex-start; justify-content:space-between;
  margin-bottom:16px;
}
.ind-head .h-left { display:flex; align-items:center; gap:14px; }
.ind-ico {
  width:52px; height:52px; border-radius:14px;
  background:#fff; box-shadow:var(--s-md);
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border-2);
}
.ind-card.i-1 .ind-ico { color:#3b82f6; }
.ind-card.i-2 .ind-ico { color:#10b981; }
.ind-card.i-3 .ind-ico { color:#f59e0b; }

.ind-head h3 {
  font-size:22px; font-weight:800; color:var(--text-1);
  letter-spacing:-.2px; margin-bottom:2px;
}
.ind-head small { font-size:13px; color:var(--text-3); font-weight:500; }

.ind-scope {
  font-size:14px; color:var(--text-2); line-height:1.8;
  margin-bottom:18px; padding-bottom:16px;
  border-bottom:1px dashed var(--border);
}

.ind-cases { display:flex; flex-direction:column; gap:10px; }
.ic-case {
  display:flex; align-items:flex-start; gap:10px;
  padding:12px 14px; background:var(--bg-soft);
  border-radius:var(--r-md);
  transition:background var(--t-fast);
}
.ind-card:hover .ic-case { background:#fff; box-shadow:var(--s-sm); }
.ic-case-icon {
  flex:0 0 28px; width:28px; height:28px;
  border-radius:8px; display:flex; align-items:center; justify-content:center;
  background:#fff; color:var(--brand-4); font-size:15px; font-weight:800;
  box-shadow:0 2px 6px rgba(15,23,42,.06);
}
.ic-case b {
  display:block; font-size:14px; color:var(--text-1);
  font-weight:700; margin-bottom:2px;
}
.ic-case span { font-size:12.5px; color:var(--text-3); line-height:1.5; }

/* ==================== 核心优势 ==================== */
.adv-grid {
  display:grid; grid-template-columns:repeat(4, 1fr);
  gap:18px;
}
.adv-card {
  position:relative;
  padding:30px 24px;
  border-radius:var(--r-xl);
  background:var(--bg-card);
  border:1.5px solid var(--border-2);
  text-align:center;
  transition:all var(--t-base);
  box-shadow:var(--s-0);
  overflow:hidden;
}
.adv-card::before {
  content:""; position:absolute; top:-60%; left:-20%; right:-20%;
  aspect-ratio:1 / 1; border-radius:50%;
  background:radial-gradient(circle, var(--adv-glow, rgba(99,102,241,.18)), transparent 60%);
  opacity:0; transition:opacity var(--t-base);
  z-index:0;
}
.adv-card > * { position:relative; z-index:1; }
.adv-card.a1 { --adv-glow:rgba(99,102,241,.22); }
.adv-card.a2 { --adv-glow:rgba(6,182,212,.22); }
.adv-card.a3 { --adv-glow:rgba(16,185,129,.22); }
.adv-card.a4 { --adv-glow:rgba(236,72,153,.22); }
.adv-card:hover {
  transform:translateY(-8px);
  box-shadow:var(--s-lg);
  border-color:transparent;
}
.adv-card:hover::before { opacity:1; }
.adv-card:hover .adv-ico {
  transform:rotate(-6deg) scale(1.08);
}
.adv-ico {
  width:64px; height:64px; margin:0 auto 18px;
  border-radius:20px;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  transition:transform var(--t-base);
}
.adv-card.a1 .adv-ico { background:linear-gradient(135deg,#4F46E5,#8B5CF6); }
.adv-card.a2 .adv-ico { background:linear-gradient(135deg,#06B6D4,#3B82F6); }
.adv-card.a3 .adv-ico { background:linear-gradient(135deg,#10B981,#06B6D4); }
.adv-card.a4 .adv-ico { background:linear-gradient(135deg,#EC4899,#F97316); }

.adv-card h4 {
  font-size:18px; font-weight:800; color:var(--text-1);
  margin-bottom:8px;
}
.adv-card p {
  font-size:13.5px; color:var(--text-3); line-height:1.7;
}
.adv-num {
  display:inline-block; margin-top:14px; padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--bg-soft-2); color:var(--brand);
  font-size:13px; font-weight:700;
}

/* ==================== 关于我们 ==================== */
.about { position:relative; overflow:hidden; }
.about::before {
  content:"云圭";
  position:absolute; left:-4%; top:50%; transform:translateY(-52%);
  font-size:clamp(200px, 28vw, 420px);
  font-weight:900; color:rgba(79,70,229,.05);
  letter-spacing:-12px; line-height:1; white-space:nowrap;
  user-select:none; pointer-events:none;
  font-family:"Helvetica Neue", Arial, sans-serif;
}
.about-wrap {
  display:grid; grid-template-columns:1.05fr 1fr;
  gap:60px; align-items:center; position:relative; z-index:1;
}
.about-info h3 {
  font-size:30px; font-weight:800; color:var(--text-1);
  margin-bottom:20px; line-height:1.35; letter-spacing:-.3px;
}
.about-info h3 span {
  background:linear-gradient(135deg, var(--brand), var(--brand-3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.about-info > p {
  font-size:15.5px; color:var(--text-2); line-height:1.9;
  margin-bottom:14px;
}
.about-mission {
  margin-top:26px; display:grid; grid-template-columns:repeat(3, 1fr);
  gap:14px;
}
.mission-item {
  padding:18px 16px; background:#fff;
  border:1.5px solid var(--border-2);
  border-radius:var(--r-md);
  transition:all var(--t-base);
}
.mission-item:hover {
  transform:translateY(-4px);
  box-shadow:var(--s-md);
  border-color:rgba(99,102,241,.25);
}
.mission-item h5 {
  font-size:14px; font-weight:800; color:var(--brand);
  margin-bottom:6px; letter-spacing:.2px;
}
.mission-item p { font-size:13px; color:var(--text-3); line-height:1.6; }

/* 关于视觉卡片 */
.about-visual {
  position:relative;
  display:grid; grid-template-columns:1fr 1fr;
  grid-template-rows:repeat(2, minmax(150px, 1fr));
  gap:16px;
  padding:24px;
  border-radius:var(--r-2xl);
  background:
    radial-gradient(400px 200px at 100% 0%, rgba(99,102,241,.18), transparent 70%),
    linear-gradient(135deg, #EEF2FF 0%, #ECFEFF 100%);
  border:1.5px solid rgba(99,102,241,.18);
}
.vis-card {
  background:#fff; border-radius:var(--r-lg);
  padding:22px 20px; box-shadow:var(--s-md);
  display:flex; flex-direction:column; justify-content:space-between;
  transition:all var(--t-base);
  border:1px solid var(--border-2);
}
.vis-card:hover { transform:translateY(-4px); box-shadow:var(--s-lg); }
.vis-card.v1 { grid-area:1 / 1 / 2 / 2; }
.vis-card.v2 { grid-area:2 / 1 / 3 / 2; background:linear-gradient(135deg,#4F46E5,#6366F1); color:#fff; border:none; }
.vis-card.v2 b, .vis-card.v2 h5, .vis-card.v2 p { color:#fff; }
.vis-card.v3 { grid-area:1 / 2 / 3 / 3; background:linear-gradient(160deg,#06B6D4,#10B981); color:#fff; border:none; }
.vis-card.v3 b, .vis-card.v3 h5, .vis-card.v3 p, .vis-card.v3 small { color:#fff; }
.vis-ico {
  width:42px; height:42px; border-radius:12px;
  background:var(--bg-soft-2); color:var(--brand);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:10px;
}
.vis-card.v2 .vis-ico { background:rgba(255,255,255,.2); color:#fff; }
.vis-card.v3 .vis-ico { background:rgba(255,255,255,.25); color:#fff; }
.vis-card b {
  display:block; font-size:32px; font-weight:900; color:var(--text-1);
  letter-spacing:-.5px; line-height:1; margin-bottom:6px;
}
.vis-card b sup { font-size:18px; margin-right:2px; }
.vis-card h5 { font-size:14px; font-weight:700; color:var(--text-1); margin-bottom:4px; }
.vis-card p { font-size:13px; color:var(--text-3); line-height:1.6; }
.vis-card.v3 .tag {
  display:inline-block; margin-top:10px;
  padding:4px 10px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.25); font-size:12px; font-weight:600;
}
.vis-stack {
  display:flex; flex-wrap:wrap; gap:6px; margin-top:12px;
}
.vis-stack span {
  font-size:11.5px; padding:4px 10px;
  background:rgba(255,255,255,.2);
  border-radius:var(--r-pill); font-weight:500;
}

/* ==================== 保障 ==================== */
.guarantee {
  padding:40px; border-radius:var(--r-2xl);
  background:
    radial-gradient(600px 300px at 0% 0%, rgba(16,185,129,.10), transparent 70%),
    radial-gradient(600px 300px at 100% 100%, rgba(6,182,212,.10), transparent 70%),
    #fff;
  border:1.5px solid var(--border-2);
  box-shadow:var(--s-md);
  position:relative; overflow:hidden;
}
.guarantee::before {
  content:"✓"; position:absolute; right:-30px; top:-30px;
  font-size:320px; font-weight:900;
  color:rgba(16,185,129,.04); line-height:1;
  user-select:none; pointer-events:none;
}
.g-head { text-align:center; margin-bottom:40px; }
.g-head .eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 16px; border-radius:var(--r-pill);
  font-size:13px; font-weight:600; margin-bottom:16px;
}
.g-head .dot { width:6px; height:6px; border-radius:50%; }
.g-head h3 {
  font-size:clamp(26px, 3vw, 36px);
  font-weight:900; color:var(--text-1);
  margin-bottom:10px; letter-spacing:-.4px;
}
.g-head p { color:var(--text-3); max-width:640px; margin:0 auto; }

.g-list {
  display:grid; grid-template-columns:repeat(4, 1fr);
  gap:18px; position:relative;
}
.g-item {
  padding:26px 22px; background:#fff;
  border-radius:var(--r-xl);
  border:1.5px solid var(--border-2);
  transition:all var(--t-base);
}
.g-item:hover {
  transform:translateY(-6px);
  box-shadow:var(--s-lg);
  border-color:transparent;
}
.g-ico {
  width:52px; height:52px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; margin-bottom:16px;
}
.g-item h4 {
  font-size:17px; font-weight:800; color:var(--text-1);
  margin-bottom:8px;
}
.g-item p { font-size:13.5px; color:var(--text-3); line-height:1.75; }
.g-item p b { color:var(--text-1); font-weight:700; }

/* ==================== 流程 ==================== */
.flow-wrap {
  margin-top:60px; padding:40px;
  background:#fff; border-radius:var(--r-2xl);
  border:1.5px solid var(--border-2);
  box-shadow:var(--s-md);
}
.flow-title {
  text-align:center; font-size:clamp(22px, 2.6vw, 28px);
  font-weight:800; color:var(--text-1); letter-spacing:-.3px;
}
.flow-sub {
  text-align:center; color:var(--text-3);
  font-size:14.5px; margin:8px 0 32px;
}
.flow {
  display:flex; align-items:stretch; justify-content:center;
  gap:0; flex-wrap:wrap;
}
.flow-step {
  flex:1; min-width:170px;
  padding:22px 18px; border-radius:var(--r-lg);
  text-align:center;
  background:var(--bg-soft);
  border:1.5px solid var(--border-2);
  transition:all var(--t-base);
  position:relative;
}
.flow-step b {
  display:block;
  font-size:28px; font-weight:900; letter-spacing:-.5px;
  background:linear-gradient(135deg, var(--brand), var(--brand-3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:8px; line-height:1;
}
.flow-step span {
  display:block; font-size:16px; font-weight:800;
  color:var(--text-1); margin-bottom:4px;
}
.flow-step em {
  font-size:12.5px; color:var(--text-3); font-style:normal;
  line-height:1.55;
}
.flow-step:hover {
  transform:translateY(-4px);
  box-shadow:var(--s-md);
}
.f-step-1 { --flow-c:#4F46E5; }
.f-step-2 { --flow-c:#06B6D4; }
.f-step-3 { --flow-c:#10B981; }
.f-step-4 { --flow-c:#F59E0B; }
.f-step-5 { --flow-c:#EC4899; }
.flow-step:hover {
  border-color:rgba(99,102,241,.25);
  background:#fff;
}
.flow-step:hover b { filter:brightness(1.05); }

.flow-arrow {
  display:flex; align-items:center; padding:0 2px;
  font-size:22px; color:var(--text-4); font-weight:800;
}

/* ==================== 联系我们 ==================== */
.contact-hero {
  padding:40px; margin-bottom:40px;
  border-radius:var(--r-2xl);
  background:linear-gradient(135deg, #4F46E5 0%, #6366F1 40%, #06B6D4 100%);
  background-size:200% 200%;
  animation:gradMove 10s ease infinite;
  color:#fff;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:24px;
  box-shadow:var(--s-lg);
  position:relative; overflow:hidden;
}
.contact-hero::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(600px 300px at 0% 100%, rgba(255,255,255,.15), transparent 70%),
    radial-gradient(400px 200px at 100% 0%, rgba(16,185,129,.3), transparent 70%);
}
.contact-hero > * { position:relative; z-index:1; }
.contact-hero h2 {
  font-size:clamp(24px, 3vw, 34px); font-weight:800;
  letter-spacing:-.3px; margin-bottom:8px; line-height:1.3;
}
.contact-hero p {
  color:rgba(255,255,255,.9); font-size:15.5px; max-width:520px;
}
.contact-hero .ch-tags {
  display:flex; align-items:center; gap:10px; margin-top:14px;
  flex-wrap:wrap;
}
.ch-tags span {
  padding:6px 14px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  backdrop-filter:blur(8px);
  font-size:13px; font-weight:600;
  border:1px solid rgba(255,255,255,.25);
}
.contact-hero .ch-actions { display:flex; gap:12px; flex-wrap:wrap; }
.contact-hero .btn-white {
  color:var(--brand-2);
}
.contact-hero .btn-ghost-2 {
  background:rgba(255,255,255,.15); color:#fff;
  border:1.5px solid rgba(255,255,255,.4);
  backdrop-filter:blur(8px);
}
.contact-hero .btn-ghost-2:hover {
  background:rgba(255,255,255,.28); color:#fff;
}

/* 联系表单 + 信息网格 */
.contact-grid {
  display:grid; grid-template-columns:1fr 1.1fr;
  gap:28px;
}
.contact-info {
  padding:36px 32px;
  background:#fff;
  border-radius:var(--r-2xl);
  border:1.5px solid var(--border-2);
  box-shadow:var(--s-md);
  height:fit-content;
  position:sticky; top:92px;
}
.info-head h3 {
  font-size:22px; font-weight:800; color:var(--text-1);
  margin-bottom:6px;
}
.info-head p { font-size:13.5px; color:var(--text-3); margin-bottom:26px; }

.info-list { display:flex; flex-direction:column; gap:12px; margin-bottom:28px; }
.info-item {
  display:flex; align-items:center; gap:14px;
  padding:16px; border-radius:var(--r-lg);
  background:var(--bg-soft);
  border:1.5px solid var(--border-2);
  transition:all var(--t-base);
  position:relative;
}
a.info-item { cursor:pointer; text-decoration:none; color:inherit; }
a.info-item:hover {
  background:#fff;
  transform:translateX(6px);
  box-shadow:var(--s-md);
  border-color:rgba(99,102,241,.25);
  color:inherit;
}
.info-ico {
  width:44px; height:44px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  flex:0 0 44px;
  transition:transform var(--t-base);
}
.call-bg { background:rgba(16,185,129,.12); color:#059669; }
.mail-bg { background:rgba(99,102,241,.12); color:#4F46E5; }
.loc-bg  { background:rgba(245,158,11,.12); color:#b45309; }
.time-bg { background:rgba(139,92,246,.12); color:#7c3aed; }
a.info-item:hover .info-ico { transform:scale(1.08); }
.info-item .label { font-size:12px; color:var(--text-4); margin-bottom:2px; }
.info-item b {
  font-size:15.5px; color:var(--text-1); font-weight:700;
  display:block; line-height:1.35;
}
.info-go {
  margin-left:auto; font-size:13px; font-weight:700;
  color:var(--brand); opacity:0; transform:translateX(-6px);
  transition:all var(--t-base);
  flex:0 0 auto;
}
a.info-item:hover .info-go { opacity:1; transform:translateX(0); }

/* 微信卡片 */
.wechat-card {
  padding:20px; border-radius:var(--r-lg);
  background:linear-gradient(135deg, rgba(16,185,129,.08), rgba(6,182,212,.08));
  border:1.5px solid rgba(16,185,129,.2);
  display:flex; gap:16px; align-items:center;
}
.wc-left { flex:1; }
.wc-left h5 {
  font-size:15px; font-weight:800; color:var(--text-1);
  margin-bottom:10px;
}
.wc-left ul { list-style:none; display:flex; flex-direction:column; gap:5px; }
.wc-left li {
  font-size:12.5px; color:var(--text-2);
  display:flex; align-items:center;
}
.wc-tip {
  margin-top:12px; padding-top:10px;
  border-top:1px dashed rgba(16,185,129,.3);
  font-size:13px; color:var(--text-3);
}
.wc-tip b { color:#047857; font-weight:700; }
.wc-qr { flex:0 0 auto; }
.qr-placeholder {
  width:88px; height:88px; border-radius:10px;
  background:#fff; border:1px dashed rgba(16,185,129,.4);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  text-align:center; padding:6px;
}
.qr-placeholder span {
  font-size:11px; font-weight:700; color:#059669;
  line-height:1.2; margin-bottom:2px;
}
.qr-placeholder small {
  font-size:10px; color:var(--text-4); line-height:1.2;
}

/* 表单 */
.contact-form {
  padding:36px 32px;
  background:#fff;
  border-radius:var(--r-2xl);
  border:1.5px solid var(--border-2);
  box-shadow:var(--s-md);
}
.form-head h3 {
  font-size:22px; font-weight:800; color:var(--text-1);
  margin-bottom:6px;
}
.form-head .form-sub {
  font-size:14px; color:var(--text-3); margin-bottom:28px;
}
.form-head .form-sub b { color:var(--text-1); font-weight:700; }

.form-row {
  display:grid; grid-template-columns:1fr 1fr;
  gap:16px; margin-bottom:16px;
}
.form-item { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.form-col-2 { grid-column:1 / -1; }
.form-item:last-child { margin-bottom:0; }
.form-item label {
  font-size:13.5px; font-weight:600; color:var(--text-1);
  padding-left:2px;
}
.form-submit-btn { margin-top:4px; }
.form-submit-btn span { font-weight:700; }
.form-submit-btn svg { transition:transform var(--t-fast); }
.form-submit-btn:hover svg { transform:translateX(4px); }
.form-tip {
  margin-top:14px; text-align:center;
  font-size:12.5px; color:var(--text-4);
}

/* ==================== Footer ==================== */
.footer {
  background:linear-gradient(180deg, #0B1120 0%, #0F172A 100%);
  color:#CBD5E1; padding-top:64px;
  position:relative; overflow:hidden;
}
.footer::before {
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(500px 260px at 0% 0%, rgba(99,102,241,.14), transparent 70%),
    radial-gradient(500px 260px at 100% 0%, rgba(6,182,212,.12), transparent 70%);
  pointer-events:none;
}
.footer > * { position:relative; z-index:1; }

/* 外层 4 列结构：品牌 1.4 + 右侧业务/行业/关于 2.2 */
.footer-inner {
  max-width:var(--container); margin:0 auto;
  padding:0 24px 48px;
  display:grid; grid-template-columns:1.4fr 2.2fr;
  gap:56px;
}

/* 品牌介绍列 */
.foot-brand .logo {
  display:inline-flex; align-items:center; gap:10px;
  font-weight:800; margin-bottom:16px; text-decoration:none;
}
.foot-brand .logo-text {
  color:#fff; font-size:18px; letter-spacing:.3px;
}
.foot-brand p {
  font-size:14.5px; line-height:1.85;
  color:#94A3B8; margin-bottom:22px;
}
.socials { display:flex; gap:10px; flex-wrap:wrap; }
.socials a {
  width:42px; height:42px; border-radius:12px;
  background:rgba(255,255,255,.05);
  display:flex; align-items:center; justify-content:center;
  color:#CBD5E1; border:1px solid rgba(255,255,255,.08);
  transition:all var(--t-base); text-decoration:none;
}
.socials a:hover {
  color:#fff;
  background:linear-gradient(135deg, var(--brand), var(--brand-3));
  border-color:transparent;
  transform:translateY(-3px);
}

/* 右侧三列：业务 / 行业 / 关于 */
.foot-cols {
  display:grid; grid-template-columns:repeat(3, 1fr);
  gap:40px;
}
.foot-cols > div { min-width:0; }
.foot-cols h4 {
  color:#fff; font-size:15px; font-weight:700;
  margin-bottom:18px; letter-spacing:.2px;
  position:relative; padding-bottom:10px;
}
.foot-cols h4::after {
  content:""; position:absolute; left:0; bottom:0;
  width:28px; height:2px; border-radius:2px;
  background:linear-gradient(90deg, var(--brand), var(--brand-3));
}
.foot-cols ul { list-style:none; display:flex; flex-direction:column; gap:12px; padding:0; margin:0; }
.foot-cols li { margin:0; padding:0; }
.foot-cols a {
  color:#94A3B8; font-size:14px;
  transition:all var(--t-fast);
  display:inline-flex; align-items:center; gap:6px;
  text-decoration:none;
}
.foot-cols a:hover {
  color:#fff; transform:translateX(4px);
}
.foot-cols a::before {
  content:""; width:4px; height:4px; border-radius:50%;
  background:currentColor; opacity:.5; flex:0 0 auto;
}

/* 底部版权栏 */
.foot-bottom {
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
}
.foot-bottom p {
  font-size:13px; color:#64748B; text-align:center;
  margin:0; line-height:1.7;
}
.foot-bottom a:hover { color:#fff; }

/* 顶部信息栏 */
.topbar {
  background:linear-gradient(90deg,#0F172A,#1E293B);
  color:#94A3B8; padding:8px 0; font-size:13px;
  position:relative; z-index:101;
}
.topbar .container {
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; flex-wrap:wrap;
}
.topbar-left, .topbar-right {
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
}
.topbar a { color:#cbd5e1; display:inline-flex; align-items:center; gap:6px; }
.topbar a:hover { color:#fff; }
.topbar svg { width:14px; height:14px; opacity:.9; }
.tb-tag {
  display:inline-flex; align-items:center; gap:6px;
}
.tb-tag .ico-dot {
  width:8px; height:8px; border-radius:50%;
  background:#10B981;
  box-shadow:0 0 0 3px rgba(16,185,129,.18);
  animation:pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { transform:scale(1); opacity:1; }
  50% { transform:scale(1.4); opacity:.7; }
}

/* ==================== 移动端响应式 ==================== */
@media (max-width: 960px) {
  section { padding:64px 0; }
  .hero { padding:110px 0 70px; }
  .nav-links, .nav-search { display:none; }
  .menu-toggle { display:flex; }
  .nav-links.open {
    display:flex; position:fixed;
    top:68px; left:0; right:0;
    background:#fff; flex-direction:column;
    padding:16px 20px 24px; gap:2px;
    border-bottom:1px solid var(--border);
    box-shadow:var(--s-md);
    max-height:calc(100svh - 68px); overflow-y:auto;
  }
  .nav-links.open a {
    padding:14px 16px; font-size:16px;
    border-radius:var(--r-md);
  }
  .nav-search.open {
    display:flex; margin:12px 20px 4px;
  }
  .nav-search.open input { width:100%; }

  .hero-stats { grid-template-columns:repeat(2, 1fr); gap:12px; }
  .service-grid { grid-template-columns:1fr; gap:16px; }
  .industry-grid { grid-template-columns:1fr; gap:16px; }
  .adv-grid { grid-template-columns:repeat(2, 1fr); gap:14px; }
  .g-list { grid-template-columns:repeat(2, 1fr); gap:14px; }
  .about-wrap { grid-template-columns:1fr; gap:32px; }
  .about-mission { grid-template-columns:1fr; }
  .contact-grid { grid-template-columns:1fr; gap:20px; }
  .contact-info { position:static; padding:28px 24px; }
  .contact-form { padding:28px 24px; }
  .guarantee, .flow-wrap { padding:28px 20px; }
  .flow { gap:10px; }
  .flow-arrow { display:none; }
  .flow-step { min-width:calc(50% - 5px); }
  .footer-inner { grid-template-columns:1fr; gap:36px; padding:0 24px 40px; }
  .foot-cols { grid-template-columns:repeat(3, 1fr); gap:24px; }
  .contact-hero { padding:28px 24px; }
  .wechat-card { flex-direction:column; align-items:flex-start; }
  .about-visual { grid-template-columns:1fr 1fr; grid-template-rows:repeat(2, 160px); padding:16px; }
}

@media (max-width: 560px) {
  body { font-size:15px; }
  .nav-wrap { padding:0 16px; height:60px; gap:12px; }
  .container { padding:0 16px; }
  .hero-inner { padding:0 16px; }
  .logo-text { font-size:16px; }
  .hero { padding:96px 0 60px; }
  .hero-title { letter-spacing:-.6px; }
  .hero-subtitle { font-size:15px; }
  .hero-stats { grid-template-columns:1fr 1fr; }
  .stat-card { padding:20px 18px; }
  .stat-num { font-size:32px; }
  .service-card, .ind-card, .adv-card, .g-item { padding:24px 20px; }
  .adv-grid { grid-template-columns:repeat(2, 1fr); }
  .g-list { grid-template-columns:1fr 1fr; }
  .form-row { grid-template-columns:1fr; gap:0; margin-bottom:0; }
  .form-item { margin-bottom:16px; }
  .flow-step { min-width:100%; }
  .footer-inner { grid-template-columns:1fr; gap:32px; padding:0 16px 36px; }
  .foot-cols { grid-template-columns:1fr 1fr; gap:24px; }
  .foot-bottom { padding:18px 16px; }
  .foot-bottom p { font-size:12px; }
  .guarantee::before { font-size:180px; right:-10px; top:-10px; }
  .contact-hero .btn { width:100%; }
  .ch-tags { width:100%; }
  .about::before { font-size:180px; left:-8%; }
  .ind-card::before { font-size:110px; top:-14px; right:0; }
  .sec-head { margin-bottom:42px; }

  /* 移动端卡底：略缩小内边距，更紧凑 */
  .sc-foot { gap: 9px; padding-top: 12px; }
  .sc-foot .chip { font-size: 12.5px; padding: 6px 11px; line-height: 1.55; }
  .sc-link { padding: 9px 16px; font-size: 13.5px; }
}