/* ===== Design Tokens ===== */
:root {
  --bg: #050f1a;
  --bg-alt: #020f1c;
  --bg-card: rgba(255, 255, 255, 0.03);
  --brand: #006BDD;
  --accent: #8FC5FF;
  --cyan: #006BDD;
  --cyan-bright: #8FC5FF;
  --cyan-dim: rgba(0, 107, 221, 0.12);
  --cyan-border: rgba(0, 107, 221, 0.35);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-subtle: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --header-bg: transparent;
  --header-scrolled: rgba(5, 15, 26, 0.95);
  --font: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Inter", "Noto Sans SC", sans-serif;
  --nav-height: 80px;
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 30px rgba(0, 107, 221, 0.45);
}

html.theme-light {
  --bg: #f0f4f8;
  --bg-alt: #e8edf2;
  --bg-card: rgba(255, 255, 255, 0.85);
  --text: #0a1628;
  --text-muted: rgba(10, 22, 40, 0.55);
  --text-subtle: rgba(10, 22, 40, 0.75);
  --glass-border: rgba(10, 22, 40, 0.1);
  --header-scrolled: rgba(240, 244, 248, 0.95);
  --cyan-dim: rgba(0, 107, 221, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Cyber Grid ===== */
.cyber-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 107, 221, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 107, 221, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.4;
  mask-image: radial-gradient(black 20%, transparent 70%);
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  border-color: var(--cyan-border);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--header-bg);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: var(--header-scrolled);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-img { height: 40px; width: auto; }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .nav-mobile-actions .btn-theme:first-child { display: none; }
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-subtle);
  border-radius: 8px;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 首屏透明导航栏：固定浅色文字，避免浅色主题下文字不可见 */
.header:not(.scrolled) .nav-link {
  color: rgba(255, 255, 255, 0.75);
}

.header:not(.scrolled) .nav-link:hover,
.header:not(.scrolled) .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

html.theme-light .header:not(.scrolled) .nav-link {
  color: rgba(10, 22, 40, 0.75);
}

html.theme-light .header:not(.scrolled) .nav-link:hover,
html.theme-light .header:not(.scrolled) .nav-link.active {
  color: #0a1628;
  background: rgba(0, 107, 221, 0.08);
}

.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.icon-sm { width: 14px; height: 14px; }

/* Dropdown */
.nav-dropdown { position: relative; }

.nav-dropdown:hover .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding-top: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition);
}

.dropdown-panel > .dropdown-grid,
.dropdown-panel .dropdown-grid {
  background: rgba(5, 15, 26, 0.95);
  border: 1px solid var(--cyan-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  min-width: 768px;
  box-shadow: 0 0 40px rgba(0, 107, 221, 0.15);
  backdrop-filter: blur(20px);
}

html.theme-light .dropdown-panel .dropdown-grid {
  background: rgba(255, 255, 255, 0.98);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dropdown-col-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-display);
  padding-bottom: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.dropdown-col-label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.dropdown-demo-btn {
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-display);
  line-height: 1.4;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 6px;
  white-space: nowrap;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  appearance: none;
}

a.dropdown-demo-btn:hover,
button.dropdown-demo-btn:hover {
  color: #fff;
  background: var(--cyan);
  border-color: var(--cyan);
}

.dropdown-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 8px;
}

.dropdown-icon svg { width: 16px; height: 16px; color: var(--cyan); }

.dropdown-col ul li a {
  display: block;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all var(--transition);
}

.dropdown-col ul li a:hover {
  color: var(--cyan);
  background: var(--cyan-dim);
}

.btn-nav-cta {
  margin-left: 8px;
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: #ffffff;
  background: var(--cyan);
  border-radius: 8px;
  transition: all var(--transition);
  box-shadow: var(--shadow-glow);
}

.btn-nav-cta:hover {
  background: var(--accent);
  color: #050f1a;
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0, 107, 221, 0.55);
}

.btn-theme {
  margin-left: 8px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 8px;
  color: var(--cyan);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-theme:hover { background: rgba(0, 107, 221, 0.2); }
.btn-theme svg { width: 16px; height: 16px; }
.icon-moon { display: none; }
html.theme-light .icon-sun { display: none; }
html.theme-light .icon-moon { display: block; }

.nav-mobile-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (min-width: 768px) {
  .nav-mobile-actions { display: none; }
}

.btn-menu {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none;
  color: var(--text-subtle);
  cursor: pointer;
}

.btn-menu svg { width: 24px; height: 24px; }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 24px 24px;
  background: var(--header-scrolled);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  padding: 12px 16px;
  font-size: 0.9375rem;
  color: var(--text-subtle);
  border-radius: 8px;
}

.mobile-menu a:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.mobile-menu .btn-nav-cta { margin: 8px 0 0; text-align: center; color: #ffffff; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  color: #ffffff;
  background: var(--cyan);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--accent);
  color: #050f1a;
  transform: scale(1.05);
  box-shadow: 0 0 50px rgba(0, 107, 221, 0.55);
}

.btn-outline {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--cyan-border);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: var(--cyan-dim);
  border-color: rgba(0, 107, 221, 0.55);
}

.btn-lg { padding: 16px 40px; font-size: 1.0625rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: var(--cyan);
  transition: gap var(--transition);
}

.link-arrow svg { width: 16px; height: 16px; transition: transform var(--transition); }
.link-arrow:hover { gap: 10px; }
.link-arrow:hover svg { transform: translateX(4px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(5,15,26,0.8), rgba(5,15,26,0.6), var(--bg));
}

html.theme-light .hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.82) 0%,
    rgba(255, 255, 255, 0.6) 45%,
    rgba(240, 244, 248, 0.95) 100%
  );
}

html.theme-light .hero-glow {
  background: radial-gradient(rgba(0, 107, 221, 0.12) 0%, transparent 70%);
  opacity: 0.6;
}

html.theme-light .hero-ring {
  border-color: rgba(0, 107, 221, 0.12);
}

html.theme-light .hero-ring-2 {
  border-color: rgba(0, 107, 221, 0.06);
}

html.theme-light .cyber-grid.hero-grid {
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(0, 107, 221, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 107, 221, 0.06) 1px, transparent 1px);
}

.hero-glow {
  position: absolute;
  top: 33%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(rgba(0, 107, 221, 0.25) 0%, transparent 70%);
  opacity: 0.3;
  filter: blur(48px);
  pointer-events: none;
}

.hero-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(0, 107, 221, 0.15);
  pointer-events: none;
  animation: rotate 60s linear infinite;
}

.hero-ring-1 { width: 600px; height: 600px; }
.hero-ring-2 { width: 800px; height: 800px; border-color: rgba(0, 107, 221, 0.08); animation-direction: reverse; animation-duration: 90s; }

@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  margin-bottom: 36px;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(143, 197, 255, 0.35);
  background: rgba(0, 107, 221, 0.1);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

html.theme-light .hero-badge {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 24px rgba(0, 107, 221, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(143, 197, 255, 0.8);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

html.theme-light .pulse-dot {
  background: var(--brand);
  box-shadow: 0 0 6px rgba(0, 107, 221, 0.45);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero-title span { display: block; }
.hero-title span + span { margin-top: 0.1em; }

.gradient-text {
  background: linear-gradient(135deg, #8FC5FF 0%, #006BDD 50%, #4da3ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
  background: linear-gradient(135deg, #4da3ff 0%, #006BDD 50%, #8FC5FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.theme-light .gradient-text {
  background: linear-gradient(180deg, #003d8f 0%, #006BDD 55%, #1a7fe8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

html.theme-light .gradient-text-alt {
  background: linear-gradient(180deg, #006BDD 0%, #3d96f0 50%, #8FC5FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-subtle);
  max-width: 560px;
  margin: 0 auto 44px;
  line-height: 1.75;
}

html.theme-light .hero-subtitle {
  color: rgba(10, 22, 40, 0.62);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

@media (min-width: 640px) {
  .hero-actions { flex-direction: row; justify-content: center; }
  .hero-actions .btn { width: auto; }
}

.hero-actions .btn { width: 100%; max-width: 280px; }

html.theme-light .hero-actions .btn-primary {
  box-shadow: 0 8px 28px rgba(0, 107, 221, 0.35);
}

html.theme-light .hero-actions .btn-outline {
  color: rgba(10, 22, 40, 0.72);
  border-color: rgba(10, 22, 40, 0.14);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(8px);
}

html.theme-light .hero-actions .btn-outline:hover {
  color: var(--brand);
  border-color: rgba(0, 107, 221, 0.35);
  background: rgba(255, 255, 255, 0.85);
}

html.theme-light .scroll-indicator {
  color: rgba(10, 22, 40, 0.35);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(143, 197, 255, 0.55);
  font-size: 10px;
  letter-spacing: 0.3em;
  font-family: var(--font-display);
  z-index: 10;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator svg { width: 20px; height: 20px; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.hero-fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 128px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

/* ===== Sections ===== */
.section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.section-grid { opacity: 0.3; mask-image: radial-gradient(black 0%, transparent 70%); }

.section-glow {
  position: absolute;
  top: 50%; left: 0;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 107, 221, 0.25) 0%, transparent 70%);
  opacity: 0.1;
  filter: blur(48px);
  pointer-events: none;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
}

.label-bar {
  width: 4px; height: 20px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 107, 221, 0.55);
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Advantages ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) { .advantages-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .advantages-grid { grid-template-columns: repeat(4, 1fr); } }

.advantage-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: "";
  position: absolute;
  top: -64px; right: -64px;
  width: 128px; height: 128px;
  border-radius: 50%;
  background: rgba(0, 107, 221, 0);
  filter: blur(48px);
  transition: background var(--transition);
}

.advantage-card:hover::before { background: rgba(0, 107, 221, 0.12); }

.card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 12px;
  transition: all var(--transition);
}

.advantage-card:hover .card-icon {
  border-color: rgba(0, 107, 221, 0.55);
  box-shadow: 0 0 16px rgba(0, 107, 221, 0.3);
}

.card-icon svg { width: 20px; height: 20px; color: var(--cyan); }

.advantage-card h3 {
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 8px;
}

.advantage-card p { font-size: 0.75rem; color: var(--text-muted); line-height: 1.6; }

/* ===== Products ===== */
.product-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 64px;
}

@media (min-width: 768px) { .product-cards { grid-template-columns: repeat(2, 1fr); } }

.product-card { overflow: hidden; }

.product-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.product-card:hover .product-image img { transform: scale(1.05); }

.product-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,15,26,0.8), transparent);
  opacity: 0.6;
  transition: opacity var(--transition);
}

.product-card:hover .product-image-overlay { opacity: 0.8; }

.product-tag {
  position: absolute;
  top: 16px; left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: var(--cyan);
  background: rgba(0, 107, 221, 0.12);
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.product-body {
  padding: 24px;
  position: relative;
}

.product-body::before {
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(0, 107, 221, 0.2), transparent);
}

.product-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 8px;
  transition: color var(--transition);
}

.product-card:hover .product-body h3 { color: var(--cyan); }

.product-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.subsection { margin-bottom: 48px; }

.subsection-title {
  font-size: 1.125rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 8px;
}

.subsection-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Workflow */
.workflow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) { .workflow { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .workflow { grid-template-columns: repeat(5, 1fr); } }

.workflow-step {
  padding: 20px;
  text-align: center;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: border-color var(--transition);
}

.workflow-step:hover { border-color: var(--cyan-border); }

.workflow-num {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 50%;
}

.workflow-step h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.workflow-step p { font-size: 0.75rem; color: var(--text-muted); line-height: 1.5; }

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

@media (min-width: 768px) { .feature-modules { grid-template-columns: repeat(2, 1fr); } }

.feature-module { padding: 24px; }
.feature-module h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-module p { font-size: 0.875rem; color: var(--text-muted); }

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

@media (min-width: 768px) { .deploy-cards { grid-template-columns: repeat(2, 1fr); } }

.deploy-card { padding: 24px; position: relative; }

.deploy-card-shot {
  aspect-ratio: 16 / 9;
  margin: -24px -24px 16px;
  width: calc(100% + 48px);
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  background: var(--cyan-dim);
}

.deploy-card-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.deploy-badge {
  display: inline-block;
  padding: 2px 10px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
}

.deploy-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.deploy-card p { font-size: 0.875rem; color: var(--text-muted); }

/* ===== Solutions ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) { .solutions-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .solutions-grid { grid-template-columns: repeat(3, 1fr); } }

.solution-card { overflow: hidden; }

.solution-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.solution-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.solution-card:hover .solution-image img { transform: scale(1.05); }

.solution-body { padding: 24px; }

.solution-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 4px;
}

.solution-tagline {
  font-size: 0.8125rem;
  color: var(--cyan);
  margin-bottom: 12px;
}

.solution-body > p:not(.solution-tagline) {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.solutions-more {
  text-align: center;
  margin-top: 48px;
  padding-top: 16px;
}

.solutions-more p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ===== Cases ===== */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card { overflow: hidden; }

.case-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.case-card:hover .case-image img { transform: scale(1.05); }

.case-body { padding: 24px; }

.case-tag {
  display: inline-block;
  padding: 2px 10px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
}

.case-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.case-details {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-detail {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.case-detail-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
  color: var(--accent);
}

.case-detail-icon svg {
  width: 16px;
  height: 16px;
}

.case-detail-highlight {
  padding: 12px;
  color: var(--cyan);
  background: var(--cyan-dim);
  border-left: 3px solid var(--cyan);
  border-radius: 0 8px 8px 0;
}

.case-detail-highlight .case-detail-icon {
  color: var(--cyan);
}

/* ===== About ===== */
.about-content {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

.about-content p {
  font-size: 0.9375rem;
  color: var(--text-subtle);
  margin-bottom: 16px;
  line-height: 1.8;
}

.brand-slogan {
  text-align: center;
  margin-bottom: 48px;
}

.section-label-sm {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.slogan-text {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  font-family: var(--font-display);
  background: linear-gradient(to right, var(--accent), var(--brand), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

@media (min-width: 768px) { .values-grid { grid-template-columns: repeat(3, 1fr); } }

.value-card { padding: 24px; text-align: center; }
.value-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; color: var(--cyan); }
.value-card p { font-size: 0.8125rem; color: var(--text-muted); line-height: 1.6; }

/* ===== CTA ===== */
.section-cta {
  background: linear-gradient(135deg, rgba(0, 107, 221, 0.08) 0%, transparent 50%, rgba(143, 197, 255, 0.08) 100%);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.cta-inner {
  text-align: center;
  padding: 48px 0;
}

.cta-inner h2,
.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15em;
}

.cta-title-line {
  color: var(--text);
}

.cta-title-gradient {
  background: linear-gradient(90deg, var(--accent) 0%, var(--brand) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1.2fr; } }

.contact-info h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  margin-bottom: 12px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.contact-item:hover { border-color: var(--cyan-border); }

.contact-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan-border);
  border-radius: 12px;
}

.contact-icon svg { width: 20px; height: 20px; color: var(--cyan); }

.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-item a, .contact-item p {
  font-size: 0.9375rem;
  color: var(--text);
}

.contact-item a:hover { color: var(--cyan); }

.contact-form-wrap {
  padding: 32px;
  position: relative;
}

.contact-form-wrap h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

html.theme-light .form-group input,
html.theme-light .form-group textarea {
  background: rgba(255, 255, 255, 0.8);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan-border);
  box-shadow: 0 0 0 3px rgba(0, 107, 221, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-group textarea { resize: vertical; min-height: 100px; }

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

.btn-submit svg { width: 18px; height: 18px; }

.toast {
  position: absolute;
  bottom: 24px;
  left: 24px; right: 24px;
  padding: 12px 16px;
  font-size: 0.875rem;
  text-align: center;
  background: var(--cyan);
  color: #050f1a;
  border-radius: 10px;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Footer ===== */
.footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 0;
}

html.theme-light .footer { background: rgba(0, 0, 0, 0.03); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer-logo { height: 36px; width: auto; margin-bottom: 16px; }

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 280px;
}

.footer-nav h4, .footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-nav ul li, .footer-contact ul li {
  margin-bottom: 8px;
}

.footer-nav a, .footer-contact li {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-nav a:hover { color: var(--cyan); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

@media (min-width: 768px) {
  .footer-legal {
    flex-direction: row;
    gap: 16px;
    align-items: center;
  }
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.beian-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.beian-link:hover {
  color: var(--cyan);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-ring, .scroll-indicator, .pulse-dot { animation: none; }
}