/* ========== 基础变量与重置 ========== */
:root {
  --primary: #4f7cff;
  --primary-dark: #3a5fe0;
  --primary-light: #eef3ff;
  --accent: #7b5cff;
  --ink: #18243e;
  --ink-2: #4a5878;
  --ink-3: #8a96b2;
  --bg: #ffffff;
  --bg-alt: #f5f7ff;
  --border: #e6eaf5;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(24, 36, 62, 0.06);
  --shadow-md: 0 8px 30px rgba(24, 36, 62, 0.10);
  --shadow-lg: 0 20px 60px rgba(79, 124, 255, 0.18);
  --gradient: linear-gradient(120deg, #4f7cff, #7b5cff);
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-en: "Inter", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
}
h1, h2, h3, h4 { line-height: 1.28; }
/* 大数字 / 关键指标统一英文数字字体 */
.stat-num,
.triple-head .triple-tag b,
.pie-label b { font-family: var(--font-en); }

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(1160px, 92%); margin: 0 auto; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-lg { padding: 13px 32px; font-size: 16px; }
.btn-primary {
  position: relative;
  overflow: hidden;
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -70%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  animation: btnShine 3.4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes btnShine {
  0% { left: -70%; }
  55% { left: 130%; }
  100% { left: 130%; }
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 70px rgba(79, 124, 255, 0.30); }
.btn-arrow { width: 18px; height: 18px; transition: transform 0.25s ease; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { color: var(--primary); background: var(--primary-light); }
.btn-outline { border-color: rgba(79, 124, 255, 0.45); color: var(--primary); background: #fff; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); box-shadow: var(--shadow-md); }
.btn-light:hover { transform: translateY(-2px); }
.btn-outline-light { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.15); }

/* ========== 导航栏 ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: 800; }
.brand-logo {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28) inset,
              0 4px 14px rgba(8, 16, 40, 0.22),
              0 0 24px rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.brand-accent { color: var(--primary); }
.brand-logo-img {
  overflow: hidden;
  background: transparent;
}
.brand-logo-img img {
  display: block;
  width: 30px;
  height: 30px;
  object-fit: contain;
  border-radius: 0;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.25))
          drop-shadow(0 0 6px rgba(255, 255, 255, 0.18));
}
.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}
.brand-cn {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}
.brand-divider {
  display: inline-block;
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.4);
}
.brand-en {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-en);
  text-transform: uppercase;
}
.navbar:not(.scrolled) .brand-text { color: #fff; }
.navbar:not(.scrolled) .brand-cn { color: #fff; }
.navbar:not(.scrolled) .brand-en { color: rgba(255, 255, 255, 0.82); }
.navbar:not(.scrolled) .brand-divider { background: rgba(255, 255, 255, 0.42); }
.navbar:not(.scrolled) .brand-logo {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28) inset,
              0 4px 14px rgba(8, 16, 40, 0.22),
              0 0 24px rgba(255, 255, 255, 0.06);
}
.navbar.scrolled .brand-logo {
  background: linear-gradient(135deg, #4f7cff 0%, #7b5cff 100%);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 8px 20px rgba(79, 124, 255, 0.35),
              0 0 0 1.5px rgba(255, 255, 255, 0.32) inset;
}
.navbar.scrolled .brand-logo-img img {
  width: 46px;
  height: 46px;
  filter: none;
}
.navbar.scrolled .brand-cn { color: var(--ink); }
.navbar.scrolled .brand-en { color: var(--primary); }
.navbar.scrolled .brand-divider { background: rgba(15, 23, 42, 0.18); }
.footer .brand-cn { color: #fff; }
.footer .brand-en { color: var(--primary); }
.footer .brand-divider { background: rgba(15, 23, 42, 0.18); }

.nav-menu { display: flex; gap: 6px; }
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all 0.2s ease;
}
.navbar:not(.scrolled) .nav-link { color: rgba(255, 255, 255, 0.85); }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.navbar:not(.scrolled) .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.15); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.navbar:not(.scrolled) .nav-link.active { color: #fff; }

.nav-actions { display: flex; align-items: center; gap: 10px; }
.navbar:not(.scrolled) .nav-actions .btn-ghost { color: rgba(255, 255, 255, 0.9); }
.navbar:not(.scrolled) .nav-actions .btn-ghost:hover { background: rgba(255,255,255,0.15); color: #fff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: none;
  background: transparent;
}
.nav-toggle span {
  width: 22px; height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: all 0.3s ease;
}
.navbar:not(.scrolled) .nav-toggle span { background: #fff; }
.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); }

/* 导航栏底部渐变光带（默认蓝色状态） */
.navbar::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.navbar:not(.scrolled)::after { opacity: 1; }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a2a6c 0%, #2b4a9b 45%, #4f7cff 100%);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 45% at 18% 6%, rgba(255, 255, 255, 0.10), transparent 70%),
    radial-gradient(ellipse 50% 35% at 85% 16%, rgba(123, 92, 255, 0.18), transparent 70%),
    radial-gradient(ellipse 40% 30% at 60% 100%, rgba(0, 201, 255, 0.10), transparent 70%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55; }
.orb-1 { width: 420px; height: 420px; top: -120px; right: -80px; background: #7b5cff; animation: float 9s ease-in-out infinite; }
.orb-2 { width: 340px; height: 340px; bottom: -100px; left: -90px; background: #00c9ff; opacity: 0.4; animation: float 11s ease-in-out infinite reverse; }
.orb-3 { width: 220px; height: 220px; top: 40%; left: 55%; background: #ff7a59; opacity: 0.3; animation: float 13s ease-in-out infinite; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
/* 微纳粒子光点 */
.particles { position: absolute; inset: 0; overflow: hidden; }
.particles i {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--s, 3px);
  height: var(--s, 3px);
  border-radius: 50%;
  background: var(--c, #fff);
  opacity: 0;
  animation: particleFloat 7s ease-in-out infinite;
  animation-delay: var(--d, 0s);
}
@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translate(0, 0) scale(0.6); }
  25% { opacity: 0.85; }
  50% { opacity: 0.25; transform: translate(16px, -24px) scale(1.15); }
  75% { opacity: 0.7; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 140px 0 120px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #cfe0ff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  margin-bottom: 22px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #5dffa0;
  box-shadow: 0 0 0 0 rgba(93, 255, 160, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(93, 255, 160, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(93, 255, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(93, 255, 160, 0); }
}
.hero-title {
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.5px;
}
.gradient-text {
  display: block;
  margin-top: 0.16em;
  font-size: 0.62em;
  font-weight: 700;
  background: linear-gradient(90deg, #9ec4ff, #c7b4ff, #9ec4ff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 4s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.hero-subtitle {
  margin: 20px 0 32px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.82);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero 品牌徽章 */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 20px;
}
.hero-tag .tag-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #5dffa0;
  box-shadow: 0 0 0 4px rgba(93, 255, 160, 0.25);
  animation: pulse 2s infinite;
}
.hero-subtitle .hl {
  font-style: normal;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, transparent 62%, rgba(255, 215, 100, 0.38) 62%);
  padding: 0 2px;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.2s ease, transform 0.2s ease;
}
.chip:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-1px); }
.chip-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c, #4f7cff);
  box-shadow: 0 0 8px var(--c, #4f7cff);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  padding: 8px 6px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease;
}
.stat-item:hover { background: rgba(255, 255, 255, 0.1); }
.stat-icon {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.32), rgba(123, 92, 255, 0.32));
  color: #fff;
}
.stat-icon svg { width: 18px; height: 18px; }
.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff, #cfe0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { font-size: 12.5px; color: rgba(255, 255, 255, 0.72); }

/* Hero 可视化卡片 */
.hero-visual { position: relative; perspective: 1000px; }
.dash-tilt {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.35s ease-out;
  will-change: transform;
}
.scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  top: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(79, 124, 255, 0.55), transparent);
  animation: scanMove 5s linear infinite;
}
@keyframes scanMove {
  0% { top: 0; opacity: 0; }
  8% { opacity: 0.8; }
  92% { opacity: 0.8; }
  100% { top: 100%; opacity: 0; }
}
.dash-deco {
  position: absolute;
  top: -20px;
  right: -14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(8, 16, 40, 0.28);
  z-index: 3;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.dash-deco-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #5dffa0;
  box-shadow: 0 0 0 4px rgba(93, 255, 160, 0.25);
  animation: pulse 2s infinite;
}
.dashboard-card {
  position: relative;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.98));
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(10, 25, 70, 0.45),
              0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  overflow: hidden;
  animation: cardFloat 6s ease-in-out infinite;
}
.dashboard-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 22px;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(79, 124, 255, 0.06), transparent 35%);
}
@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.dash-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: linear-gradient(180deg, #f4f7ff, #eef3ff);
  border-bottom: 1px solid var(--border);
}
.dash-header .dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.dash-title {
  margin-left: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.dash-title svg { width: 14px; height: 14px; color: var(--primary); }
.dash-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #0d8a4d;
  background: rgba(93, 255, 160, 0.16);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #5dffa0;
  box-shadow: 0 0 0 3px rgba(93, 255, 160, 0.25);
  animation: pulse 1.8s infinite;
  display: inline-block;
}
.dash-body { padding: 22px; }
.dash-row { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; align-items: center; }
.dash-chart {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 168px;
  padding: 14px 12px 14px;
  background: linear-gradient(180deg, #f6f8ff, #eef2ff);
  border-radius: 14px;
  border: 1px solid rgba(79, 124, 255, 0.1);
}
.dash-chart-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: 1px;
}
.dash-bars {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.bar {
  flex: 1;
  position: relative;
  height: var(--h, 50%);
  border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, #7b5cff, #4f7cff);
  opacity: 0.9;
  animation: growBar 1s ease both;
  transform-origin: bottom;
  box-shadow: 0 4px 10px rgba(79, 124, 255, 0.25);
}
.bar::after {
  content: attr(data-v);
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-3);
  white-space: nowrap;
}
@keyframes growBar { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.dash-pie {
  position: relative;
  display: grid;
  place-items: center;
}
.dash-pie-cap {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: 1px;
}
.pie {
  width: 150px; height: 150px;
  border-radius: 50%;
  background: conic-gradient(#4f7cff 0 65%, #7b5cff 65% 85%, #eef1f8 85% 100%);
  display: grid; place-items: center;
  box-shadow: 0 0 0 6px rgba(79, 124, 255, 0.08),
              0 12px 30px rgba(79, 124, 255, 0.3);
  animation: pieSpin 18s linear infinite;
}
@keyframes pieSpin { to { transform: rotate(360deg); } }
.pie::after {
  content: "";
  width: 96px; height: 96px;
  border-radius: 50%;
  background: #fff;
}
.pie-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--ink-3);
  text-align: center;
  pointer-events: none;
}
.pie-label b {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  background: linear-gradient(180deg, #1a2a6c, #4f7cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.pie-label i { font-style: normal; font-size: 12px; color: var(--ink-3); }
.pie-sub {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-3);
  background: rgba(255,255,255,0.92);
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.dash-list { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.dash-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: linear-gradient(180deg, #f8faff, #f1f4fc);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.dash-list-item:hover { transform: translateX(2px); box-shadow: 0 6px 16px rgba(79, 124, 255, 0.12); }
.li-icon {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 8px;
  font-size: 13px;
  background: var(--primary-light);
  color: var(--primary);
}
.li-icon-dot { background: rgba(93, 255, 160, 0.18); }
.li-name { font-weight: 600; color: var(--ink); }
.li-desc { margin-left: auto; font-size: 12px; color: var(--ink-3); }
.dash-foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed rgba(15, 23, 42, 0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-3);
}
.dash-foot-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(79, 124, 255, 0.08);
  color: var(--ink-2);
  font-weight: 600;
}

.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero-wave svg { width: 100%; height: 90px; }

/* 滚动指示器 */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color 0.2s ease;
}
.hero-scroll:hover { color: #fff; }
.hero-scroll-mouse {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.hero-scroll-mouse i {
  display: block;
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: #fff;
  animation: scroll-wheel 1.8s ease-in-out infinite;
}
@keyframes scroll-wheel {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(11px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}
.hero-scroll-text {
  font-size: 12px;
  letter-spacing: 3px;
}

/* ========== 通用区块 ========== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--primary);
  background: linear-gradient(120deg, #eef3ff, #f4efff);
  border: 1px solid rgba(79, 124, 255, 0.16);
  box-shadow: 0 4px 14px rgba(79, 124, 255, 0.10);
  margin-bottom: 16px;
}
.section-tag::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(79, 124, 255, 0.8);
}
.section-title { font-size: clamp(28px, 3.6vw, 38px); font-weight: 800; letter-spacing: -0.5px; line-height: 1.28; text-wrap: balance; }
.section-title .section-sub {
  display: block;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--primary);
  margin-top: 10px;
  letter-spacing: 0;
}
.section-desc { margin-top: 14px; font-size: 16px; color: var(--ink-2); line-height: 1.7; text-wrap: balance; }

/* ========== 服务卡片 ========== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.service-card {
  display: flex;
  flex-direction: column;
  padding: 36px 26px 0;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-color, var(--primary));
  transition: height 0.3s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 44px rgba(24, 36, 62, 0.12);
  border-color: transparent;
}
.service-card:hover::before { height: 6px; }
.service-icon {
  display: grid; place-items: center;
  width: 60px; height: 60px;
  border-radius: 16px;
  margin-bottom: 22px;
  color: var(--icon-color);
  background: color-mix(in srgb, var(--icon-color) 12%, #fff);
  transition: all 0.3s ease;
}
.service-card:hover .service-icon { transform: rotate(-6deg) scale(1.05); }
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 2px; }
.service-sub { font-size: 13px; font-weight: 600; color: var(--primary); margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--ink-2); margin-bottom: 18px; line-height: 1.7; }
.service-more {
  margin: auto -26px 0;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  border-top: 1px dashed var(--border);
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: space-between;
  transition: all 0.3s ease;
}
.service-card:hover .service-more { background: var(--primary); color: #fff; border-top-color: transparent; }

/* ========== 六多卡片（与三高同体系） ========== */
.six-card { margin-bottom: 0; }
.six-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative; z-index: 1;
}
.triple-icon svg { width: 24px; height: 24px; }
.triple-metric small { display: block; font-size: 12px; font-weight: 600; opacity: 0.75; letter-spacing: 0; }

/* ========== 三高卡片 ========== */
.triple-card {
  background: linear-gradient(120deg, #1a2a6c 0%, #2b4a9b 35%, #4f7cff 70%, #7b5cff 100%);
  border-radius: 24px;
  padding: 56px 50px 60px;
  margin-bottom: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(26, 42, 108, 0.25);
}
.triple-card::before {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.18), transparent 70%);
}
.triple-card::after {
  content: "";
  position: absolute;
  left: -80px; bottom: -80px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(123, 92, 255, 0.35);
  filter: blur(20px);
}
.triple-head {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 10px;
}
.triple-head .triple-tag {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 78px; height: 78px;
  flex-shrink: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,0.55), rgba(255,255,255,0.12) 68%);
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.08),
              0 0 0 1.5px rgba(255, 255, 255, 0.3) inset,
              0 12px 32px rgba(10, 20, 60, 0.35);
  line-height: 1;
}
.triple-head .triple-tag::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px dashed rgba(255, 255, 255, 0.45);
  animation: tag-rotate 18s linear infinite;
}
.triple-head .triple-tag b {
  font-size: 34px; font-weight: 900;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #ffffff 35%, rgba(255,255,255,0.72));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.triple-head .triple-tag em {
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-left: 3px;
  color: rgba(255, 255, 255, 0.85);
}
@keyframes tag-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.triple-head h3 { font-size: 26px; font-weight: 800; letter-spacing: -0.3px; }
.triple-head h3 span { display: block; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.7); margin-top: 4px; letter-spacing: 0; }
.triple-card > .triple-desc {
  position: relative; z-index: 1;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
  max-width: 720px;
}
.triple-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative; z-index: 1;
}
.triple-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
}
.triple-item:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-6px); }
.triple-icon {
  display: grid; place-items: center;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.25);
  font-size: 22px;
  font-weight: 800;
  margin: 0 auto 18px;
  transition: transform 0.3s ease;
}
.triple-item:hover .triple-icon { transform: rotate(-8deg) scale(1.08); }
.triple-item h4 { font-size: 18px; margin-bottom: 6px; color: #ffffff; }
.triple-metric {
  font-size: 34px;
  font-weight: 900;
  margin: 12px 0 16px;
  color: #ffffff;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.22);
  line-height: 1.1;
}
.triple-metric span {
  font-size: 16px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  margin-left: 4px;
  letter-spacing: 0;
}
.triple-item p { font-size: 13.5px; color: rgba(255, 255, 255, 0.82); line-height: 1.7; }

/* ========== 产品参数 ========== */
.spec-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.spec-block:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.spec-block .spec-intro {
  background: var(--primary-light);
  border: 1px solid #dbe6ff;
  border-radius: 14px;
  padding: 22px 26px;
  margin-bottom: 22px;
}
.spec-intro h3 { font-size: 18px; margin-bottom: 6px; color: var(--ink); }
.spec-intro p { font-size: 14px; color: var(--ink-2); }
.table-wrap { overflow-x: auto; border-radius: 14px; box-shadow: var(--shadow-sm); }
.spec-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--bg);
  font-size: 14px;
}
.spec-table th {
  background: var(--gradient);
  color: #fff;
  font-weight: 600;
  padding: 14px 18px;
  text-align: left;
  white-space: nowrap;
}
.spec-table th:first-child { border-radius: 14px 0 0 0; }
.spec-table th:last-child { border-radius: 0 14px 0 0; }
.spec-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--ink-2);
  white-space: nowrap;
}
.spec-table tbody tr:hover td { background: var(--primary-light); }
.spec-table td:first-child { font-weight: 600; color: var(--ink); }
.spec-table tbody tr:last-child td:first-child { border-radius: 0 0 0 14px; }
.spec-table tbody tr:last-child td:last-child { border-radius: 0 0 14px 0; }

/* 喷头卡片 */
.nozzle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.nozzle-card {
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.nozzle-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.nozzle-icon {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--gradient);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: var(--shadow-lg);
}
.nozzle-card h4 { font-size: 18px; margin-bottom: 12px; }
.nozzle-card ul li {
  position: relative;
  font-size: 14px;
  color: var(--ink-2);
  padding-left: 18px;
  margin-bottom: 8px;
  line-height: 1.7;
}
.nozzle-card ul li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-weight: 800;
  color: var(--primary);
}

/* ========== 关于我们 ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-text > p {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.9;
  margin-bottom: 24px;
}
.about-text strong { color: var(--primary); }
.about-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px; }
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
}
.about-check {
  flex: none;
  display: grid; place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #e5f6ec;
  color: #17a45c;
  font-size: 13px;
  font-weight: 800;
  margin-top: 2px;
}
.about-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.about-cards { display: flex; flex-direction: column; gap: 18px; }
.about-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px 26px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.about-card:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: transparent; }
.about-card-icon {
  flex: none;
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  font-size: 22px;
}
.about-card h3 { font-size: 17px; margin-bottom: 6px; }
.about-card p { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }

/* ========== 合作伙伴 ========== */
.partners { padding-bottom: 80px; }
.partner-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 40px;
}
.partner-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ink-3);
  opacity: 0.7;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.partner-logo:hover { color: var(--primary); opacity: 1; transform: translateY(-2px); }

/* ========== 业务布局（1+2+4+X） ========== */
.field-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.field-card {
  position: relative;
  padding: 26px 24px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.field-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.field-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.field-card:hover::before { opacity: 1; }
.field-top { margin-bottom: 16px; }
.field-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 12px;
}
.field-card h3 { font-size: 20px; margin-bottom: 4px; }
.field-top p { font-size: 13px; color: var(--ink-3); }
.field-list { display: flex; flex-direction: column; gap: 12px; }
.field-list li {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.field-list li:hover {
  background: var(--primary-light);
  border-color: rgba(79, 124, 255, 0.35);
}
.field-list b { display: block; font-size: 14px; color: var(--ink); margin-bottom: 3px; }
.field-list span { font-size: 12.5px; line-height: 1.6; color: var(--ink-3); }

@media (max-width: 991px) {
  .field-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .field-grid { grid-template-columns: 1fr; }
}

/* ========== 关于我们-联系方式 ========== */
.about-contact {
  margin-top: 48px;
  background: linear-gradient(120deg, #1a2a6c 0%, #2b4a9b 35%, #4f7cff 70%, #7b5cff 100%);
  border-radius: 24px;
  padding: 56px 50px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(26, 42, 108, 0.25);
}
.about-contact::before, .about-contact::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.about-contact::before { width: 380px; height: 380px; top: -160px; right: -100px; }
.about-contact::after { width: 300px; height: 300px; bottom: -140px; left: -80px; }

/* ========== CTA（嵌入关于我们） ========== */
.cta-inner {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 50px;
  align-items: center;
}
.cta-text { text-align: left; }
.cta-text h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; color: #fff; line-height: 1.25; letter-spacing: -0.3px; text-wrap: balance; }
.cta-text p { margin: 14px 0 28px; font-size: 16px; color: rgba(255, 255, 255, 0.85); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-qr {
  background: #fff;
  border-radius: 18px;
  padding: 22px 22px 20px;
  text-align: center;
  color: var(--ink);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}
.cta-qr:hover { transform: translateY(-4px); }
.cta-qr img {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 10px;
  margin: 0 auto;
}
.cta-qr h4 { font-size: 16px; font-weight: 700; margin-top: 14px; }
.cta-qr p { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.cta-qr .qr-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #e8f6ed;
  color: #17a45c;
  font-weight: 600;
}

/* ========== 页脚 ========== */
.footer { background: #101a33; color: #9aa7c7; padding-top: 70px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 60px;
  padding-bottom: 50px;
}
.footer .brand-text { color: #fff; }
.footer-site {
  display: inline-block;
  margin-top: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  transition: all 0.25s ease;
}
.footer-site:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: #fff; }
.footer-brand p { margin-top: 18px; font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 1px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: #9aa7c7;
  padding: 5px 0;
  transition: color 0.2s ease;
}
.footer-col a:hover { color: #7fb0ff; }
.footer-address {
  cursor: text;
  white-space: normal;
  line-height: 1.75;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.footer-address:hover { color: rgba(255, 255, 255, 0.7); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0 26px;
  margin-top: 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}
.footer-bottom-inner > span,
.footer-bottom-inner > a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom-inner .fb-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
}
.footer-bottom-inner .fb-icon svg { width: 12px; height: 12px; }
.footer-bottom-inner a {
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease;
}
.footer-bottom-inner a:hover { color: #fff; }

/* ========== 返回顶部 ========== */
.back-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 90;
  width: 46px; height: 46px;
  border: none;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

/* ========== 滚动显现动画 ========== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Hero 内容错峰入场 */
.hero-content .hero-tag,
.hero-content .hero-title,
.hero-content .hero-subtitle,
.hero-content .hero-actions,
.hero-content .hero-chips,
.hero-content .hero-stats { opacity: 0; }
.reveal.visible .hero-tag { animation: riseUp 0.55s 0.00s ease both; }
.reveal.visible .hero-title { animation: riseUp 0.55s 0.08s ease both; }
.reveal.visible .hero-subtitle { animation: riseUp 0.55s 0.16s ease both; }
.reveal.visible .hero-actions { animation: riseUp 0.55s 0.24s ease both; }
.reveal.visible .hero-chips { animation: riseUp 0.55s 0.32s ease both; }
.reveal.visible .hero-stats { animation: riseUp 0.55s 0.40s ease both; }
@keyframes riseUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 60px; }
  .hero-actions, .cta-actions { justify-content: center; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .hero-stats { margin-top: 40px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .triple-card { padding: 36px 28px; }
  .triple-grid { grid-template-columns: repeat(3, 1fr); }
  .six-grid { grid-template-columns: repeat(3, 1fr); }
  .nozzle-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0; right: -280px;
    width: 280px; height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 90px 24px 30px;
    box-shadow: var(--shadow-lg);
    transition: right 0.3s ease;
    z-index: 99;
  }
  .nav-menu.open { right: 0; }
  .nav-link { color: var(--ink-2) !important; }
  .nav-toggle { display: flex; z-index: 100; }
  .nav-toggle span { background: var(--ink) !important; }
  .hero-scroll { display: none; }
  .hero-title { font-size: 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-num { font-size: 26px; }
  .service-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .dash-row { grid-template-columns: 1fr; }
  .dash-deco { top: -14px; right: 8px; font-size: 11px; padding: 6px 12px; }
  .pie { width: 130px; height: 130px; }
  .pie::after { width: 82px; height: 82px; }
  .pie-label b { font-size: 28px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .section { padding: 70px 0; }
  .triple-grid, .six-grid, .nozzle-grid { grid-template-columns: 1fr; }
  .triple-card { padding: 28px 22px; }
  .triple-tag { width: 64px; height: 64px; }
  .triple-tag b { font-size: 28px; }
  .triple-tag em { font-size: 11px; }
  .spec-block { padding: 24px 18px; }
  .about-card { padding: 20px 18px; }
  .cta-inner { grid-template-columns: 1fr; gap: 30px; }
  .about-contact { padding: 36px 26px; }
  .cta-text { text-align: center; }
  .cta-actions { justify-content: center; }
  .cta-qr img { max-width: 180px; }
}