/* ==========================================
   清境智能 — Global Styles
   Aesthetic: Refined Eco-Tech / Dark Luxury
   ========================================== */

:root {
  --bg: #060a0f;
  --bg-2: #0c1219;
  --bg-3: #111922;
  --surface: #141e28;
  --surface-2: #1c2a38;
  --border: rgba(100, 180, 140, 0.15);
  --border-strong: rgba(100, 180, 140, 0.3);

  --green: #00ff80;
  --green-dim: #2d7a56;
  --green-glow: rgba(78, 203, 141, 0.2);
  --green-text: #7edba8;
  --teal: #2ab5d1;
  --gold: #c9a84c;

  --text-primary: #e8f0eb;
  --text-secondary: #2bded8;
  --text-muted: #e365ce;

  --font-serif: 'Playfair Display', 'Noto Serif SC', serif;
  --font-sans: 'Noto Sans SC', sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 20px 60px rgba(0,0,0,0.4);
  --shadow-green: 0 0 40px rgba(78, 203, 141, 0.15);
  /* 中性无色玻璃层，用于替换带颜色的长方形背景 */
  --glass: rgba(255,255,255,0.03);
  --glass-strong: rgba(255,255,255,0.06);
  /* 可替换为你的背景图路径（相对 workspace） */
  --bg-image: url('asset/image/bg.jpg');
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  position: relative;
  background: none; /* use the pseudo-element below to ensure the background sits underneath all content */
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 固定在页面最底层的背景层，能避免被其他定位元素或覆盖层遮挡 */
/* 背景图（模糊）放在 ::before，暗色遮罩放在 ::after，二者都位于页面内容之下 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2; /* 最底层：背景图 */
  background: var(--bg-image) center/cover no-repeat;
  background-size: cover;
  filter: blur(8px) saturate(0.95);
  transform: scale(1.06); /* 放大以避免模糊边缘露白 */
  will-change: filter, transform;
}

/* 可调暗色叠层，放在背景图之上但在内容之下 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(0,0,0,0.25);
  pointer-events: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  transition: var(--transition);
}

.nav.scrolled {
  background: var(--glass-strong);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--green);
  line-height: 1;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 8px 22px;
  border: 1px solid var(--green-dim);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--green-text);
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.nav-cta:hover {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 20px 40px;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--border);
}

.mobile-menu a {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Language toggle (positioned absolutely so it doesn't alter layout) */
.lang-toggle {
  position: absolute;
  top: 14px;
  right: 110px; /* sits between nav-cta and right edge without affecting flow */
  z-index: 1100;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.18);
  color: var(--text-primary);
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.12s ease;
}

.lang-toggle:hover { background: rgba(255,255,255,0.04); transform: translateY(-1px); }

.lang-toggle.active { background: var(--green); color: var(--bg); border-color: var(--green); }
/* ==========================================
   HERO
   ========================================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  padding: 100px 60px 60px;
  overflow: hidden;
  gap: 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #1a4d35, transparent);
  top: -100px; right: 0;
  animation: orbFloat 12s ease-in-out infinite;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #0d3347, transparent);
  bottom: 0; left: 100px;
  animation: orbFloat 15s ease-in-out infinite reverse;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--green-dim), transparent);
  top: 40%; right: 45%;
  opacity: 0.15;
  animation: orbFloat 10s ease-in-out infinite 3s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(78, 203, 141, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 203, 141, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--green-text);
  letter-spacing: 0.08em;
  margin-bottom: 32px;
  background: var(--glass);
}

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.15;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title .line {
  display: block;
}

.accent-text {
  font-style: italic;
  color: var(--green);
  display: block;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--green);
  color: var(--bg);
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  transition: var(--transition);
  border: 2px solid var(--green);
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--green-text);
  border-color: var(--green-text);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(78, 203, 141, 0.3);
}

.btn-primary.large {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-ghost {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.btn-ghost:hover { color: var(--green); }

.btn-ghost-white {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}

.btn-ghost-white:hover {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
}



.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-num em {
  font-style: normal;
  font-size: 1rem;
  color: var(--green);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Carousel styles for hero visual */
.carousel { position: relative; width: 560px; max-width: 85vw; }

/* 微调：整体左移，使三张图靠左一点 */
.carousel .slides { position: relative; height: 480px; overflow: visible; transform: translateX(-6%); }
.carousel .slide { position: absolute; top: 50%; left: 50%; width: 70%; transform: translate(-50%, -50%) scale(0.84); opacity: 0; transition: transform 0.6s cubic-bezier(.2,.9,.3,1), opacity 0.45s ease, filter 0.45s ease, box-shadow 0.45s ease; }
.carousel .slide img { width: 100%; height: auto; display: block; border-radius: 10px; }

/* Active (主图)：更大并盖住侧图一部分 */
.carousel .slide.active { transform: translate(-50%, -50%) scale(1.06); opacity: 1; z-index: 6; box-shadow: 0 18px 40px rgba(0,0,0,0.28); filter: brightness(1) saturate(1); }

/* Side slides：稍微向下并缩小，置于主图之下 */
.carousel .slide.prev { transform: translate(-120%, -35%) scale(0.82); opacity: 1; z-index: 2; filter: brightness(0.82) saturate(0.9); box-shadow: 0 6px 20px rgba(0,0,0,0.16); }
.carousel .slide.next { transform: translate(30%, -35%) scale(0.82); opacity: 1; z-index: 2; filter: brightness(0.82) saturate(0.9); box-shadow: 0 6px 20px rgba(0,0,0,0.16); }

.carousel .slide img { transition: transform 0.6s cubic-bezier(.2,.9,.3,1), filter 0.45s ease; }
.carousel .slide.active img { transform: scale(1.03); }
.carousel .slide.prev img, .carousel .slide.next img { transform: scale(0.97); }

/* small screens adjust sizes */
@media (max-width: 1024px) {
  .carousel { width: 460px; }
  .carousel .slides { height: 380px; }
  .carousel .slide { width: 70%; }
}

.carousel-control { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.45); color: #fff; border: none; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1.4rem; z-index: 3; }
.carousel-control.prev { left: -12px; }
.carousel-control.next { right: -12px; }

.carousel-dots { position: absolute; left: 50%; transform: translateX(-50%); bottom: 10px; display: flex; gap: 8px; z-index: 4; }
.carousel-dots .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.35); border: none; cursor: pointer; }
.carousel-dots .dot.active { background: var(--green); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }

@media (max-width: 768px) {
  .carousel { width: 320px; }
  .carousel .slides { height: 260px; }
  .carousel .slide { width: 80%; }
}

@media (max-width: 768px) {
  .hero-visual { display: none; }
}

.bin-showcase {
  display: none;
}

.bin-glow {
  position: absolute;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  width: 240px; height: 80px;
  background: var(--green);
  filter: blur(50px);
  opacity: 0.2;
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.15; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.3; transform: translateX(-50%) scale(1.1); }
}

.bin-body {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  animation: binFloat 4s ease-in-out infinite;
}

@keyframes binFloat {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 15px)); }
}

.bin-lid {
  height: 50px;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border-radius: 12px 12px 4px 4px;
  border: 1px solid var(--border-strong);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bin-sensor {
  position: relative;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sensor-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--green);
  border-radius: 50%;
  animation: sensorPing 2s ease-out infinite;
  opacity: 0;
}

@keyframes sensorPing {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}

.sensor-core {
  width: 12px; height: 12px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green);
}

.bin-screen {
  background: linear-gradient(180deg, #0a1f14, #061510);
  border: 1px solid var(--border);
  border-top: none;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.screen-line {
  height: 2px;
  background: var(--green-dim);
  border-radius: 2px;
  width: 80%;
  opacity: 0.5;
  animation: screenBlink 2s ease-in-out infinite;
}

.screen-line.short { width: 50%; animation-delay: 0.3s; }
.screen-line.medium { width: 65%; animation-delay: 0.6s; }

@keyframes screenBlink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

.screen-icon {
  font-size: 1.5rem;
  color: var(--green);
  animation: spin 8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.bin-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border: 1px solid var(--border);
  border-top: none;
}

.slot {
  height: 50px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.slot span { color: rgba(255,255,255,0.6); }

.slot-blue { background: rgba(42, 100, 181, 0.2); border-bottom: 2px solid #2a64b5; }
.slot-green { background: rgba(52, 152, 80, 0.2); border-bottom: 2px solid #349850; }
.slot-red { background: rgba(180, 42, 42, 0.2); border-bottom: 2px solid #b42a2a; }
.slot-grey { background: rgba(80, 80, 80, 0.2); border-bottom: 2px solid #555; }

.bin-base {
  height: 30px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
}

.floating-tags {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ftag {
  position: absolute;
  padding: 6px 14px;
  background: var(--glass-strong);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--green-text);
  backdrop-filter: blur(10px);
  animation: tagFloat 4s ease-in-out infinite;
}

.ftag-1 { top: 5%; left: -30%; animation-delay: 0s; }
.ftag-2 { top: 30%; right: -35%; animation-delay: 1s; }
.ftag-3 { bottom: 30%; left: -40%; animation-delay: 2s; }
.ftag-4 { bottom: 10%; right: -30%; animation-delay: 3s; }

@keyframes tagFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.scroll-hint {
  position: absolute;
  bottom: 30px; left: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-line {
  width: 40px;
  height: 1px;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: var(--green);
  animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ==========================================
   FEATURES STRIP
   ========================================== */
.features-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--glass);
  padding: 20px 0;
  overflow: hidden;
}

.strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.strip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.strip-item svg {
  width: 16px; height: 16px;
  fill: var(--green);
  opacity: 0.8;
}

.strip-sep {
  color: var(--border-strong);
}

/* ==========================================
   SECTIONS (shared)
   ========================================== */
.section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
  font-weight: 500;
}

.section-label.light { color: var(--green-text); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section-title.light { color: #fff; }

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 60px;
  line-height: 1.8;
}

/* ==========================================
   PRODUCT PREVIEW
   ========================================== */
.product-preview { background: transparent; }

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.product-demo-video { display:flex; justify-content:center; margin-bottom: 28px; }
.product-demo-video video { width: 100%; max-width: 920px; height: auto; border-radius: 12px; box-shadow: 0 14px 40px rgba(0,0,0,0.18); display: block; }

@media (max-width: 1024px) {
  .product-demo-video video { max-width: 680px; }
}

.main-card {
  background: var(--glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.main-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-green);
}

.card-img {
  height: 280px;
  background: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.card-img .card-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.product-3d {
  position: relative;
  width: 160px;
  height: 220px;
}

.p3d-shadow {
  position: absolute;
  bottom: -10px; left: 50%;
  transform: translateX(-50%);
  width: 100px; height: 20px;
  background: var(--green);
  border-radius: 50%;
  filter: blur(15px);
  opacity: 0.2;
}

.p3d-body {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--glass-strong);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: binFloat 4s ease-in-out infinite;
}

.p3d-panel {
  background: var(--glass);
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.p3d-display {
  text-align: center;
}

.p3d-text {
  font-size: 0.65rem;
  color: var(--green);
  display: block;
  margin-bottom: 8px;
  animation: screenBlink 1.5s ease-in-out infinite;
}

.p3d-bar {
  height: 4px;
  background: rgba(78,203,141,0.15);
  border-radius: 2px;
  overflow: hidden;
}

.p3d-fill {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  animation: fillBar 2s ease-in-out infinite;
}

@keyframes fillBar {
  0% { width: 30%; }
  50% { width: 90%; }
  100% { width: 30%; }
}

.p3d-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  gap: 1px;
}

.p3d-slot {
  opacity: 0.6;
}

.p3d-slot.blue { background: rgba(42, 100, 181, 0.15); }
.p3d-slot.green { background: rgba(52, 152, 80, 0.15); }
.p3d-slot.red { background: rgba(180, 42, 42, 0.15); }
.p3d-slot.grey { background: rgba(80, 80, 80, 0.1); }

.card-content {
  padding: 28px;
}

.card-content h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.card-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.card-link {
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.card-link:hover { letter-spacing: 0.05em; }

.feature-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-strong);
  background: var(--glass-strong);
  transform: translateY(-3px);
}

.fc-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.feature-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.product-cta { text-align: center; }

/* ==========================================
   IMPACT SECTION
   ========================================== */
.impact-section {
  background: var(--glass);
  position: relative;
  overflow: hidden;
}

.impact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.impact-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(78,203,141,0.06), transparent 70%);
  border-radius: 50%;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.impact-card {
  text-align: center;
  padding: 40px 20px;
  border: 1px solid rgba(78,203,141,0.1);
  border-radius: var(--radius-lg);
  background: var(--glass);
  transition: var(--transition);
}

.impact-card:hover {
  border-color: var(--border-strong);
  background: var(--glass-strong);
}

.impact-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}

.impact-num span {
  font-size: 1.2rem;
  color: var(--green-text);
}

.impact-label {
  font-size: 0.88rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 500;
}

.impact-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   HOW IT WORKS
   ========================================== */
.howitworks {
  background: transparent;
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 60px;
}

.step {
  flex: 1;
  text-align: center;
  padding: 40px 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--glass-strong);
  transition: var(--transition);
}

.step:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-green);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(78,203,141,0.15);
  line-height: 1;
  margin-bottom: 20px;
}

.step-icon {
  width: 60px; height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--green);
  background: rgba(78,203,141,0.05);
}

.si-scan {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-radius: 50%;
}

.scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--green);
  animation: scanMove 2s ease-in-out infinite;
}

@keyframes scanMove {
  0%, 100% { top: 20%; }
  50% { top: 80%; }
}

.si-ai {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
}

.si-sync {
  font-size: 1.6rem;
  animation: spin 4s linear infinite;
}

.step h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-arrow {
  font-size: 1.5rem;
  color: var(--green-dim);
  align-self: center;
  padding: 0 10px;
  flex-shrink: 0;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials {
  background: var(--glass);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-top: 60px;
}

.testimonial-card {
  background: var(--glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-strong);
}

.testimonial-card.featured {
  border-color: var(--green-dim);
  background: var(--glass-strong);
}

.tq {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--green);
  opacity: 0.3;
  line-height: 0.8;
  margin-bottom: 16px;
}

.testimonial-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.t-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.t-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dim), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--bg);
  flex-shrink: 0;
}

.t-author strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.t-author span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================
   PARTNERS
   ========================================== */
.partners { background: var(--glass); }

.partners-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 50px;
  margin-top: 12px;
}

.partners-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.partner {
  padding: 14px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--glass-strong);
  transition: var(--transition);
  cursor: default;
}

.partner:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--glass-strong);
}

/* ==========================================
   CTA BANNER
   ========================================== */
.cta-banner {
  padding: 100px 40px;
  text-align: center;
  background: transparent;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(78,203,141,0.1), transparent 70%);
  border-radius: 50%;
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.cta-banner p {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
  margin-bottom: 48px;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--bg-3);
  border-top: 1px solid var(--border);
  padding-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 60px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 50px;
}

.social-links a:hover {
  color: var(--green);
  border-color: var(--green-dim);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.fl-col h5 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.fl-col a {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: var(--transition);
}

.fl-col a:hover { color: var(--green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.fb-links {
  display: flex;
  gap: 24px;
}

.fb-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.fb-links a:hover { color: var(--text-secondary); }

/* ==========================================
   PAGE HERO (inner pages)
   ========================================== */
.page-hero {
  padding: 160px 40px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ==========================================
   PRODUCT PAGE SPECIFIC
   ========================================== */
.product-hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 120px 80px;
  max-width: 1300px;
  margin: 0 auto;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(78,203,141,0.1);
  border: 1px solid var(--green-dim);
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.product-name {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
}

.product-name em {
  font-style: italic;
  color: var(--green);
}

.product-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

.product-specs-quick {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.spec-pill {
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.spec-pill .sp-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}

.spec-pill .sp-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.spec-pill .sp-val em {
  font-style: normal;
  color: var(--green);
}

/* Large product visual */
.product-visual-large {
  position: relative;
  height: 550px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pvl-glow {
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(78,203,141,0.2), transparent 70%);
  border-radius: 50%;
}

.pvl-bin {
  width: 260px;
  height: 420px;
  position: relative;
  animation: binFloat 5s ease-in-out infinite;
}

.pvl-lid {
  height: 70px;
  background: linear-gradient(135deg, #1e3a2a, var(--surface-2));
  border-radius: 16px 16px 6px 6px;
  border: 1px solid var(--border-strong);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pvl-sensor {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pvl-sensor::before {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1px solid var(--green);
  border-radius: 50%;
  animation: sensorPing 2.5s ease-out infinite;
  opacity: 0;
}

.pvl-sensor-dot {
  width: 14px; height: 14px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--green);
}

.pvl-body {
  flex: 1;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-top: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pvl-screen {
  height: 120px;
  background: #030d06;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}

.pvl-screen-title {
  font-size: 0.7rem;
  color: var(--green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pvl-screen-status {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--text-primary);
}

.pvl-screen-bar {
  width: 80%;
  height: 3px;
  background: rgba(78,203,141,0.15);
  border-radius: 2px;
  overflow: hidden;
}

.pvl-screen-fill {
  height: 100%;
  width: 65%;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 2px;
}

.pvl-slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  gap: 1px;
  background: var(--border);
}

.pvl-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 12px 8px;
  gap: 4px;
}

.pvl-slot-icon {
  font-size: 1.4rem;
}

.pvl-slot-label {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

.pvl-slot-fill {
  width: 100%;
  height: 4px;
  border-radius: 2px;
}

.pvl-slot.blue { background: rgba(42, 100, 181, 0.1); }
.pvl-slot.green { background: rgba(52, 152, 80, 0.1); }
.pvl-slot.red { background: rgba(180, 42, 42, 0.1); }
.pvl-slot.grey { background: rgba(80, 80, 80, 0.08); }
.pvl-slot.blue .pvl-slot-fill { background: #2a64b5; }
.pvl-slot.green .pvl-slot-fill { background: #349850; }
.pvl-slot.red .pvl-slot-fill { background: #b42a2a; }
.pvl-slot.grey .pvl-slot-fill { background: #555; }

.pvl-base {
  height: 40px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 12px 12px;
}

/* Specs Table */
.specs-section {
  padding: 80px 0;
  background: var(--bg-2);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
}

.specs-table th {
  text-align: left;
  padding: 14px 24px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.specs-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.specs-table td:first-child {
  color: var(--text-primary);
  font-weight: 500;
  width: 220px;
}

.specs-table td em {
  font-style: normal;
  color: var(--green);
}

.specs-table tr:hover td {
  background: var(--surface);
}

/* ==========================================
   TECHNOLOGY PAGE
   ========================================== */
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.tech-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-dim), var(--teal), transparent);
}

.tech-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}

.tc-icon {
  width: 56px; height: 56px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  background: rgba(78,203,141,0.05);
}

/* Step icon animations */
.si-scan { position: relative; overflow: hidden; }
.si-scan .scan-line { position: absolute; left: -40%; top: 45%; width: 0; height: 4px; background: linear-gradient(90deg, transparent, var(--green), transparent); border-radius: 2px; animation: scanMove 2.2s linear infinite; }

@keyframes scanMove {
  0% { left: -40%; width: 20%; opacity: 0; }
  30% { left: 20%; width: 60%; opacity: 1; }
  70% { left: 60%; width: 20%; opacity: 1; }
  100% { left: 120%; width: 20%; opacity: 0; }
}

.si-ai { font-weight: 700; font-size: 1.1rem; color: var(--green); position: relative; }
.si-ai::after { content: ''; position: absolute; inset: -6px; border-radius: 12px; background: radial-gradient(circle at center, rgba(46, 204, 113, 0.08), transparent 40%); animation: aiPulse 2.6s ease-in-out infinite; }

@keyframes aiPulse {
  0% { transform: scale(0.96); opacity: 0.6; }
  50% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(0.96); opacity: 0.6; }
}

.si-sync { font-size: 1.2rem; color: var(--green); display: inline-block; animation: syncRotate 4s linear infinite; }

@keyframes syncRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.tech-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.tech-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.tech-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
}

.mission-visual {
  position: relative;
}

.mv-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.mv-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(78,203,141,0.06), transparent 60%);
  pointer-events: none;
}

.mv-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.mv-stat {
  text-align: center;
  padding: 20px;
  background: var(--bg-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.mv-stat .num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--green);
  display: block;
}

.mv-stat .label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.mission-text blockquote {
  border-left: 3px solid var(--green);
  padding-left: 24px;
  margin: 32px 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--bg);
}

.team-avatar.g1 { background: linear-gradient(135deg, #4ecb8d, #2ab5d1); }
.team-avatar.g2 { background: linear-gradient(135deg, #c9a84c, #e8c460); }
.team-avatar.g3 { background: linear-gradient(135deg, #b55bff, #7c3aed); }
.team-avatar.g4 { background: linear-gradient(135deg, #ff6b6b, #ee5a24); }

.team-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.team-card .title {
  font-size: 0.78rem;
  color: var(--green);
  margin-bottom: 12px;
  display: block;
}

.team-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  margin-top: 60px;
}

.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ci-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.ci-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.ci-item strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.ci-item span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.contact-form h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-dim);
  box-shadow: 0 0 0 3px rgba(78,203,141,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select option {
  background: var(--bg-2);
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* ==========================================
   ANIMATIONS ON SCROLL
   ========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 100px 40px 60px; }
  .hero-visual { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-mission { grid-template-columns: 1fr; }
  .product-hero-section { grid-template-columns: 1fr; padding: 80px 40px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero { padding: 90px 24px 60px; }
  .container { padding: 0 24px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .impact-grid { grid-template-columns: 1fr 1fr; }
  .feature-cards { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 60px 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .product-specs-quick { grid-template-columns: 1fr; }
}

/* ==========================================
   IMAGE / BACKGROUND UPGRADE
   ========================================== */

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  background:
    linear-gradient(rgba(6,10,15,0.4), rgba(6,10,15,0.4)),
    url("https://imgapi.xl0408.top/index.php?t=111") center center / cover no-repeat;

  z-index: -1;

  opacity: 1;

  pointer-events: none;
}

/* 首页背景图 */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right,
      rgba(6,10,15,0.56) 15%,  /* 如何提高透明度 */
      rgba(6,10,15,0.48) 55%,
      rgba(6,10,15,0.40) 100%),
    url('https://imgapi.xl0408.top/index.php?t=666') center/cover no-repeat;
  z-index: 0;
}

.hero-content,
.hero-visual {
  position: relative;
  z-index: 2;
}

/* 产品图替换 */
.bin-showcase {
  background: url('https://imgapi.xl0408.top/index.php?t=7') center/contain no-repeat;
}

.bin-body,
.bin-lid,
.bin-screen,
.bin-slots,
.bin-base {
  opacity: 0;
}

/* 页面顶部 Banner */
.page-hero {
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(6,10,15,0.82), rgba(6,10,15,0.88)),
    url('https://imgapi.xl0408.top/index.php?t=8') center/cover no-repeat;
  z-index: 0;
}

.page-hero > * {
  position: relative;
  z-index: 2;
}

/* 产品大图 */
.product-visual-large {
  position: relative;
}

.product-visual-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://imgapi.xl0408.top/index.php?t=9') center/contain no-repeat;
  filter: drop-shadow(0 0 50px rgba(78,203,141,0.25));
  animation: floatImage 5s ease-in-out infinite;
}

.pvl-bin {
  opacity: 0;
}

@keyframes floatImage {
  0%,100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
}