/* ============================================================
   宁波有道网络 · 官网首页样式
   深空科技风 · 电光青 + 科技蓝 + 紫光 · 橙色品牌反差
   ============================================================ */

:root {
  --bg-deep: #020617;
  --bg-navy: #0B1120;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border-soft: rgba(255, 255, 255, 0.09);
  --border-glow: rgba(0, 212, 255, 0.45);
  --cyan: #00D4FF;
  --blue: #3B82F6;
  --purple: #8B5CF6;
  --orange: #FF7A1A;
  --orange-soft: rgba(255, 122, 26, 0.16);
  --text-hi: #E8F1FF;
  --text-mid: #A5B4CC;
  --text-low: #64748B;
  --radius-lg: 20px;
  --radius-md: 14px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text-hi);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

::selection { background: rgba(0, 212, 255, 0.3); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #04070f; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #16233d, #0d1830);
  border-radius: 6px;
  border: 2px solid #04070f;
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #0a3d52, #1d2f6e); }

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ============ 滚动进度条 ============ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  z-index: 300;
  background: linear-gradient(90deg, var(--cyan), var(--purple) 55%, var(--orange));
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.65);
  pointer-events: none;
}

/* ============ 全局噪点纹理（消除平面塑料感） ============ */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.038;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.7'/%3E%3C/svg%3E");
}

/* ============ 全局背景层 ============ */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
  pointer-events: none;
}
.bg-glow-1 {
  width: 640px; height: 640px;
  background: rgba(0, 212, 255, 0.10);
  top: -180px; right: -120px;
  animation: glowDrift 16s ease-in-out infinite alternate;
}
.bg-glow-2 {
  width: 560px; height: 560px;
  background: rgba(139, 92, 246, 0.09);
  bottom: 10%; left: -200px;
  animation: glowDrift 20s ease-in-out infinite alternate-reverse;
}
.bg-glow-3 {
  width: 420px; height: 420px;
  background: rgba(255, 122, 26, 0.06);
  top: 45%; right: -140px;
  animation: glowDrift 24s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.12); }
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(255, 255, 255, 0.015) 4px,
    transparent 5px
  );
}

/* ============ 导航栏 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all 0.4s ease;
  background: transparent;
}
.nav.scrolled {
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-soft);
}
.nav.scrolled::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.55), rgba(139, 92, 246, 0.55), transparent);
}
.nav-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { height: 40px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-mid);
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}
.nav-link:hover { color: var(--text-hi); background: rgba(255, 255, 255, 0.05); }
.nav-link.active { color: var(--cyan); }
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  box-shadow: 0 0 8px var(--cyan);
}

/* ---------- 导航下拉菜单 ---------- */
.nav-dropdown { position: relative; }
/* hover bridge: keep dropdown visible when cursor moves across the 8px gap */
.nav-dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 18px;
  z-index: 999;
}
@media (max-width: 768px) {
  .nav-dropdown::after { display: none; }
}
.nav-dropdown > .nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-dropdown > .nav-link::after {
  content: "";
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.6;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-dropdown:hover > .nav-link::after,
.nav-dropdown.open > .nav-link::after {
  transform: rotate(180deg);
  opacity: 1;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  display: none;
  flex-direction: column;
  gap: 2px;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  padding: 8px;
  background: rgba(2, 6, 23, 0.96);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  z-index: 1000;
}
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: rgba(2, 6, 23, 0.96);
  border-top: 1px solid var(--border-soft);
  border-left: 1px solid var(--border-soft);
  transform: translateX(-50%) rotate(45deg);
  z-index: -1;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-link {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-mid);
  border-radius: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.dropdown-link:hover {
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.06);
}
.dropdown-link.active {
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text-hi);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #FF8A1F 0%, var(--orange) 55%, #FF5C00 100%);
  color: #fff;
  box-shadow: 0 4px 24px rgba(255, 122, 26, 0.35);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 122, 26, 0.5);
}
.btn-primary:hover::after { left: 130%; }

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-hi);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; }
.arrow { transition: transform 0.3s ease; display: inline-block; }
.btn:hover .arrow { transform: translateX(4px); }

/* 导航栏右上角电话按钮：橙色字体、透明背景、斜体、白色描边、立体阴影 */
.nav-cta .btn {
  background: transparent !important;
  color: #FF6B35 !important;
  font-weight: 500 !important;
  font-size: 22px !important;
  font-style: italic !important;
  box-shadow: none !important;
  padding: 8px 12px !important;
  border: none !important;
  -webkit-text-stroke: 0.5px rgba(255,255,255,0.6);
  text-shadow: 
    0 0 3px rgba(255,255,255,0.4),
    1px 1px 2px rgba(0,0,0,0.7),
    2px 2px 4px rgba(0,0,0,0.5),
    3px 3px 6px rgba(0,0,0,0.3);
  letter-spacing: 0.5px;
}
.nav-cta .btn:hover {
  color: #FF8A1F !important;
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
  text-shadow: 
    0 0 5px rgba(255,255,255,0.6),
    1px 1px 2px rgba(0,0,0,0.7),
    2px 2px 4px rgba(0,0,0,0.5),
    3px 3px 6px rgba(0,0,0,0.3);
}
.nav-cta .btn::after {
  display: none !important;
}

/* ============ Hero 首屏 ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  overflow: hidden;
  z-index: 1;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, rgba(0,0,0,1) 0%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, rgba(0,0,0,1) 0%, transparent 100%);
  pointer-events: none;
}

/* 透视网格地面 */
.hero-grid-bg::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 140%;
  height: 38%;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.14) 1.5px, transparent 1.5px),
    linear-gradient(90deg, rgba(139, 92, 246, 0.14) 1.5px, transparent 1.5px);
  background-size: 44px 44px;
  transform-origin: bottom;
  transform: translateX(-50%) perspective(420px) rotateX(62deg);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.9), transparent 90%);
  mask-image: linear-gradient(to top, rgba(0,0,0,0.9), transparent 90%);
  animation: gridMove 6s linear infinite;
}
@keyframes gridMove {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 0 44px, 44px 0; }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.18fr 1fr;
  gap: 50px;
  align-items: center;
}

/* Hero 左侧 */
.hero-badge {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero-badge::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
  transform: skewX(-18deg);
  animation: badgeShine 4.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes badgeShine {
  0%, 55% { left: -60%; }
  100% { left: 135%; }
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(46px, 5.8vw, 74px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 1px;
  margin-bottom: 24px;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.45);
}
.grad-text {
  background: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 45%, var(--purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 0 26px rgba(0, 212, 255, 0.38));
}

.hero-sub {
  font-size: 18px;
  color: var(--text-mid);
  max-width: 560px;
  margin-bottom: 38px;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.35);
}
.hero-sub strong {
  color: var(--text-hi);
  font-weight: 600;
  background: linear-gradient(90deg, #fff 0%, #C9D8EF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-actions { display: flex; gap: 18px; margin-bottom: 52px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 26px;
  padding-top: 30px;
  border-top: 1px solid var(--border-soft);
}
.stat-num {
  font-size: 34px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 0%, #9FB6D4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.stat-suffix {
  font-size: 20px;
  color: var(--cyan);
  margin-left: 2px;
}
.stat-label { font-size: 13px; color: var(--text-low); margin-top: 2px; letter-spacing: 1px; }
.stat-divider {
  width: 1px; height: 34px;
  background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

/* Hero 右侧视觉 */
.hero-visual {
  position: relative;
  height: 760px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.18);
}
.orbit::before {
  content: "";
  position: absolute;
  top: -4px; left: 50%;
  width: 8px; height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.orbit-1 { width: 620px; height: 620px; animation: spin 26s linear infinite; }
.orbit-2 {
  width: 480px; height: 480px;
  border-color: rgba(139, 92, 246, 0.22);
  animation: spin 20s linear infinite reverse;
}
.orbit-2::before { background: var(--purple); box-shadow: 0 0 12px var(--purple); }
.orbit-3 {
  width: 340px; height: 340px;
  border-color: rgba(255, 122, 26, 0.2);
  animation: spin 14s linear infinite;
}
.orbit-3::before { background: var(--orange); box-shadow: 0 0 12px var(--orange); }
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* 机器人视差承载层 */
.robot-parallax {
  position: relative;
  z-index: 2;
  transition: transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
  animation: heroEnter 1.3s cubic-bezier(0.22, 0.61, 0.36, 1) 0.2s backwards;
  will-change: transform;
}
@keyframes heroEnter {
  from { opacity: 0; transform: translateY(46px) scale(0.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* 真实机器人图片视觉 */
.robot-frame {
  position: relative;
  z-index: 2;
  width: 580px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  animation: robotFloat 6s ease-in-out infinite;
}

/* 顶部聚光舞台光锥 */
.robot-spotlight {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 160%;
  height: 160%;
  z-index: 0;
  background: linear-gradient(to bottom,
    rgba(0, 212, 255, 0.10) 0%,
    rgba(0, 212, 255, 0.04) 45%,
    transparent 75%);
  clip-path: polygon(38% 0, 62% 0, 100% 100%, 0 100%);
  filter: blur(6px);
  pointer-events: none;
}

.robot-frame picture {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.robot-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  filter:
    brightness(0.76)
    contrast(1.22)
    saturate(1.08)
    drop-shadow(0 24px 60px rgba(0, 0, 0, 0.65))
    drop-shadow(0 0 44px rgba(0, 212, 255, 0.22))
    drop-shadow(0 0 80px rgba(139, 92, 246, 0.14));
}

.robot-glow {
  position: absolute;
  z-index: 1;
  width: 640px;
  height: 420px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center,
    rgba(0, 212, 255, 0.30) 0%,
    rgba(139, 92, 246, 0.24) 36%,
    rgba(0, 212, 255, 0.10) 60%,
    transparent 72%);
  filter: blur(36px);
  animation: glowPulse 4s ease-in-out infinite;
}

.robot-frame::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at center,
    rgba(0, 212, 255, 0.38) 0%,
    rgba(139, 92, 246, 0.22) 48%,
    transparent 76%);
  filter: blur(56px);
  opacity: 0.85;
  animation: haloPulse 5s ease-in-out infinite;
}

@keyframes haloPulse {
  0%, 100% { opacity: 0.65; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

.robot-reflection {
  position: absolute;
  bottom: -4%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 400px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center,
    rgba(0, 212, 255, 0.40) 0%,
    rgba(139, 92, 246, 0.22) 45%,
    transparent 75%);
  filter: blur(8px);
  animation: reflectionPulse 4s ease-in-out infinite;
}

.robot-scan {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}
.robot-scan::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(0, 212, 255, 0.0) 20%,
    rgba(0, 212, 255, 0.7) 50%,
    rgba(139, 92, 246, 0.7) 52%,
    rgba(0, 212, 255, 0.0) 80%,
    transparent 100%);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.45);
  animation: scanMove 3.2s ease-in-out infinite;
}

@keyframes robotFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-18px) rotate(1.5deg); }
}
@keyframes chipFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-10px) scale(1.04); }
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.08); opacity: 1; }
}
@keyframes reflectionPulse {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.12); }
}
@keyframes scanMove {
  0% { top: 8%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 88%; opacity: 0; }
}

/* 全息光环底座 */
.robot-halo {
  position: absolute;
  z-index: 1;
  bottom: -6%;
  left: 50%;
  transform: translateX(-50%);
  width: 480px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.20);
  background: radial-gradient(ellipse at center,
    rgba(0, 212, 255, 0.14) 0%,
    rgba(139, 92, 246, 0.08) 45%,
    transparent 70%);
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.14), inset 0 0 36px rgba(0, 212, 255, 0.10);
  animation: haloRotate 8s linear infinite;
}
.robot-halo::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 212, 255, 0.14);
  animation: haloRotate 12s linear infinite reverse;
}

.robot-particles {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
}
.robot-particles span {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  opacity: 0.8;
  animation: particleFloat 4s ease-in-out infinite;
}
.robot-particles span:nth-child(1) { top: 18%; left: 20%; animation-delay: 0s; }
.robot-particles span:nth-child(2) { top: 32%; right: 18%; background: var(--purple); box-shadow: 0 0 8px var(--purple); animation-delay: 0.8s; }
.robot-particles span:nth-child(3) { bottom: 32%; left: 24%; animation-delay: 1.6s; }
.robot-particles span:nth-child(4) { top: 52%; left: 12%; background: var(--orange); box-shadow: 0 0 8px var(--orange); animation-delay: 2.4s; }
.robot-particles span:nth-child(5) { bottom: 40%; right: 20%; animation-delay: 3.2s; }
.robot-particles span:nth-child(6) { top: 42%; left: 4%; background: var(--blue); box-shadow: 0 0 8px var(--blue); animation-delay: 1.2s; }
.robot-particles span:nth-child(7) { top: 10%; right: 8%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation-delay: 2.0s; }

@keyframes haloRotate {
  from { transform: translateX(-50%) rotateX(60deg) rotateZ(0deg); }
  to { transform: translateX(-50%) rotateX(60deg) rotateZ(360deg); }
}
@keyframes particleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.5; }
  50% { transform: translateY(-16px) scale(1.3); opacity: 1; }
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  background: rgba(11, 17, 32, 0.75);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  animation: cardFloat 5s ease-in-out infinite;
}
.float-card-icon {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid rgba(0, 212, 255, 0.25);
}
.float-card-title { font-size: 14px; font-weight: 700; color: var(--text-hi); }
.float-card-sub { font-size: 12px; color: var(--text-mid); }
.float-card-1 { top: 12%; left: 2%; animation-delay: 0s; }
.float-card-2 { top: 44%; right: 0%; animation-delay: 1.2s; }
.float-card-3 { bottom: 16%; left: 4%; animation-delay: 2.4s; }
.float-card-icon svg { width: 20px; height: 20px; }
.float-card-2 .float-card-icon { background: rgba(139, 92, 246, 0.14); border-color: rgba(139, 92, 246, 0.3); }
.float-card-3 .float-card-icon { background: rgba(255, 122, 26, 0.14); border-color: rgba(255, 122, 26, 0.3); }
@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.mouse {
  display: block;
  width: 26px; height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 14px;
  position: relative;
}
.wheel {
  position: absolute;
  top: 8px; left: 50%;
  width: 3px; height: 8px;
  margin-left: -1.5px;
  border-radius: 3px;
  background: var(--cyan);
  animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}

/* ============ 通用区块 ============ */
.section { position: relative; z-index: 1; padding: 120px 0; }
.section-head { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--cyan);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-head .section-tag { position: relative; padding: 0 32px; }
.section-head .section-tag::before,
.section-head .section-tag::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.6));
}
.section-head .section-tag::before { left: 0; }
.section-head .section-tag::after { right: 0; background: linear-gradient(90deg, rgba(0, 212, 255, 0.6), transparent); }
.section-title {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 800;
  margin-bottom: 16px;
}
.section-desc { font-size: 17px; color: var(--text-mid); }

/* ============ 产品服务 ============ */
.services { background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.5) 30%, transparent 100%); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-bottom: 60px;
}

.service-card {
  position: relative;
  padding: 34px 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.45), transparent 40%, transparent 60%, rgba(139, 92, 246, 0.45));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.35;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.service-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 212, 255, 0.08), transparent 45%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.08);
}
.service-card:hover::before { opacity: 1; }
.service-card:hover::after { opacity: 1; }

/* 卡片顶部高光线（玻璃质感关键） */
.card-topline {
  position: absolute;
  top: 0; left: 14%;
  width: 72%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
  transition: left 0.5s ease, width 0.5s ease, opacity 0.5s ease;
}
.card-topline.soft { opacity: 0.55; }
.service-card:hover .card-topline { left: 5%; width: 90%; }
.solution-card:hover .card-topline { left: 8%; width: 84%; }

/* 产品卡片用 a 包裹时保持无下划线、继承文字色 */
a.service-card,
a.service-card:hover {
  text-decoration: none;
  color: inherit;
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 22px;
}
.service-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all 0.4s ease;
}
.service-icon svg { width: 30px; height: 30px; }
.icon-data { color: var(--purple); background: rgba(139, 92, 246, 0.08); border-color: rgba(139, 92, 246, 0.22); }
.icon-ecom { color: var(--orange); background: rgba(255, 122, 26, 0.08); border-color: rgba(255, 122, 26, 0.22); }
.icon-it { color: var(--blue); background: rgba(59, 130, 246, 0.08); border-color: rgba(59, 130, 246, 0.22); }
.service-card:hover .service-icon { transform: scale(1.08) rotate(-4deg); box-shadow: 0 0 24px currentColor; }

.service-no {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.14);
  font-variant-numeric: tabular-nums;
}

.service-title { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.service-desc { font-size: 15px; color: var(--text-mid); margin-bottom: 20px; }

.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 9px;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.5);
}
.service-list li:nth-child(2)::before { background: linear-gradient(135deg, var(--purple), var(--blue)); }
.service-list li:nth-child(3)::before { background: linear-gradient(135deg, var(--orange), var(--orange)); box-shadow: 0 0 6px rgba(255, 122, 26, 0.5); }

.service-more {
  display: inline-block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
  transition: all 0.3s ease;
}
.service-more:hover { color: #fff; transform: translateX(4px); }

/* 核心业务入口标签 */
.service-tags {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.tags-title {
  font-size: 15px;
  color: var(--text-low);
  font-weight: 600;
  letter-spacing: 2px;
  padding-right: 10px;
  border-right: 1px solid var(--border-soft);
}
.tags-list { display: flex; gap: 12px; flex-wrap: wrap; }
.tag {
  padding: 9px 22px;
  font-size: 14px;
  color: var(--text-mid);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.02);
}
.tag:hover {
  color: #fff;
  border-color: rgba(0, 212, 255, 0.6);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.15);
  transform: translateY(-2px);
}

/* ============ 行业解决方案 ============ */
.solutions { background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.45) 50%, transparent 100%); }

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.solution-card {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  transition: all 0.4s ease;
}
.solution-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at 50% 0%, rgba(0, 212, 255, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.solution-card:hover .solution-bg { opacity: 1; }
.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.solution-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 18px;
  filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.3));
}
.solution-icon svg { width: 32px; height: 32px; }

.solution-card:nth-child(2) .solution-icon { color: var(--purple); filter: drop-shadow(0 4px 12px rgba(139, 92, 246, 0.3)); }
.solution-card:nth-child(3) .solution-icon { color: var(--orange); filter: drop-shadow(0 4px 12px rgba(255, 122, 26, 0.3)); }
.solution-card:nth-child(4) .solution-icon { color: var(--blue); filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.3)); }
.solution-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.solution-card p { font-size: 14px; color: var(--text-mid); margin-bottom: 16px; }
.solution-meta {
  font-size: 12px;
  color: var(--text-low);
  padding-top: 14px;
  border-top: 1px dashed var(--border-soft);
  letter-spacing: 0.5px;
}

/* ============ 关于我们 ============ */
.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-text { font-size: 16px; color: var(--text-mid); margin-bottom: 18px; }
.about-text strong { color: var(--cyan); font-weight: 700; }
.about-left .btn { margin-top: 14px; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.about-stat {
  padding: 28px 22px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  text-align: center;
  transition: all 0.4s ease;
}
.about-stat:hover {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
  transform: translateY(-4px);
}
.about-num {
  font-size: 40px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.about-suffix { font-size: 20px; }
.about-label { font-size: 13px; color: var(--text-low); margin-top: 6px; letter-spacing: 1px; }

/* ============ 新闻动态 ============ */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.news-card {
  position: relative;
  display: block;
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  transition: all 0.4s ease;
  overflow: hidden;
}
.news-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--purple));
  opacity: 0;
  transition: opacity 0.4s ease;
}
.news-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 212, 255, 0.3);
}
.news-card:hover::before { opacity: 1; }
.news-main {
  grid-row: span 1;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.07), rgba(139, 92, 246, 0.07));
  border-color: rgba(0, 212, 255, 0.25);
}
.news-date {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.news-day {
  font-size: 30px;
  font-weight: 800;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.news-date.small .news-day { font-size: 22px; color: var(--purple); }
.news-month { font-size: 13px; color: var(--text-low); letter-spacing: 1px; }
.news-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.news-main .news-title { font-size: 24px; }
.news-excerpt {
  font-size: 14px;
  color: var(--text-mid);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
}

/* ============ 联系我们 ============ */
.contact { background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.5) 40%, transparent 100%); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact-desc { font-size: 16px; color: var(--text-mid); margin-bottom: 34px; }

.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-item-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--cyan);
}
.contact-item-icon svg { width: 22px; height: 22px; }
.contact-item-label { font-size: 13px; color: var(--text-low); }
.contact-item-value { font-size: 16px; font-weight: 600; }

.contact-qrcode {
  margin-top: 28px;
  padding: 18px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-soft);
}
.contact-qrcode img {
  width: 110px; height: 110px;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
  display: block;
}
.contact-qrcode-text { display: flex; flex-direction: column; gap: 4px; }
.contact-qrcode-text strong {
  font-size: 15px;
  color: var(--text-hi);
  font-weight: 600;
}
.contact-qrcode-text span {
  font-size: 13px;
  color: var(--text-low);
}

.contact-form {
  padding: 36px 34px;
  border-radius: var(--radius-lg);
  background: rgba(11, 17, 32, 0.7);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-mid);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  outline: none;
  transition: all 0.3s ease;
}
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: var(--bg-navy); color: var(--text-hi); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-low); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12), 0 0 20px rgba(0, 212, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 12px; color: var(--text-low); text-align: center; margin-top: 14px; }

/* ============ 页脚 ============ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-soft);
  background: rgba(2, 6, 23, 0.8);
  padding-top: 60px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 60px;
  padding-bottom: 50px;
}
.footer-logo { height: 38px; width: auto; margin-bottom: 14px; }
.footer-slogan { font-size: 14px; color: var(--text-low); }
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-hi);
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 10px;
  transition: color 0.3s ease;
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--text-low);
}

/* ============ 滚动动画 ============ */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.visible {
  animation: revealPop 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes revealPop {
  0% { opacity: 0.72; transform: translateY(16px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 560px; }
  .robot-frame { width: 480px; height: 300px; }
  .robot-glow { width: 520px; height: 340px; }
  .robot-halo { width: 380px; height: 64px; }
  .robot-reflection { width: 320px; }
  .orbit-1 { width: 520px; height: 520px; }
  .orbit-2 { width: 400px; height: 400px; }
  .orbit-3 { width: 280px; height: 280px; }
  .hero-stats { flex-wrap: wrap; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 50px; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-qrcode { margin-top: 22px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 6%;
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-130%);
    transition: transform 0.4s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 14px 10px; font-size: 16px; }
  .nav-dropdown > .nav-link { justify-content: space-between; }
  .dropdown-menu {
    position: static;
    display: none;
    flex-direction: column;
    gap: 2px;
    transform: none;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    padding: 0 8px;
    margin-left: 12px;
    background: transparent;
    backdrop-filter: none;
    border: none;
    border-left: 2px solid var(--border-soft);
    border-radius: 0;
    box-shadow: none;
    transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease, padding 0.3s ease;
    overflow: hidden;
  }
  .dropdown-menu::before { display: none; }
  .nav-dropdown.open .dropdown-menu,
  .nav-dropdown:hover .dropdown-menu {
    display: flex;
    opacity: 1;
    visibility: visible;
    max-height: 320px;
    padding: 8px;
    margin-top: 4px;
  }
  .dropdown-link { padding: 12px 14px; font-size: 15px; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .hero { padding: 110px 0 60px; }
  .hero-title { font-size: 40px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-visual { height: 420px; }
  .robot-frame { width: 360px; height: 230px; }
  .robot-glow { width: 380px; height: 250px; }
  .robot-halo { width: 300px; height: 54px; }
  .robot-reflection { width: 250px; }
  .orbit-1 { width: 400px; height: 400px; }
  .orbit-2 { width: 300px; height: 300px; }
  .orbit-3 { width: 220px; height: 220px; }
  .float-card-1 { left: 2%; top: 4%; }
  .float-card-2 { right: 0%; top: 22%; }
  .float-card-3 { left: 2%; bottom: 10%; }

  .section { padding: 80px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .contact-qrcode {
    width: 100%;
    justify-content: flex-start;
    box-sizing: border-box;
  }
  .service-tags { flex-direction: column; }
  .tags-title { border-right: none; border-bottom: 1px solid var(--border-soft); padding: 0 0 8px; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 18px; }
  .stat-num { font-size: 28px; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
}