:root {
  --bg: #0f172a;
  --bg-alt: #121d33;
  --bg-light: #1a2847;
  --panel: #172740;
  --panel-soft: #1d2f4b;
  --panel-hover: #1f324f;
  --text-primary: #f8fafc;
  --text-secondary: #9fb0c8;
  --line: #344a67;
  --line-soft: #465c78;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-text: #bfdbfe;
  --ok: #93c5fd;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
  --glow-sm: 0 0 12px rgba(37, 99, 235, 0.2);
  --glow-md: 0 0 24px rgba(37, 99, 235, 0.3);
  --glow-lg: 0 0 40px rgba(37, 99, 235, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  line-height: 1.65;
  font-weight: 400;
  padding-bottom: 78px;
  position: relative;
  overflow-x: hidden;
}

/* 背景网格效果 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(37, 99, 235, 0.02) 25%, rgba(37, 99, 235, 0.02) 26%, transparent 27%, transparent 74%, rgba(37, 99, 235, 0.02) 75%, rgba(37, 99, 235, 0.02) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(37, 99, 235, 0.02) 25%, rgba(37, 99, 235, 0.02) 26%, transparent 27%, transparent 74%, rgba(37, 99, 235, 0.02) 75%, rgba(37, 99, 235, 0.02) 76%, transparent 77%, transparent);
  background-size: 80px 80px;
  background-position: 0 0;
  pointer-events: none;
  z-index: 1;
  will-change: transform;
  contain: layout style paint;
}

.container {
  width: min(1240px, calc(100% - 4.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: background-color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.nav {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: min-height 0.22s ease, padding 0.22s ease;
}

.nav-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.7rem;
}

.mobile-menu-toggle {
  display: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(23, 39, 64, 0.82);
  color: #dbeafe;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.36rem 0.72rem;
  line-height: 1;
  cursor: pointer;
}

.mobile-menu {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 19, 36, 0.98);
}

.mobile-menu-inner {
  padding: 0.72rem 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.48rem 0.72rem;
}

.mobile-menu a {
  text-decoration: none;
  color: #cbd5e1;
  font-size: 0.92rem;
  padding: 0.24rem 0;
}

.logo {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.logo-mark {
  font-family: "Space Grotesk", Arial, sans-serif;
  letter-spacing: 0.14em;
  font-size: 0.88rem;
  color: var(--accent-text);
}

.logo-sub {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  transition: all 0.24s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0.8rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav a:hover {
  color: var(--accent-text);
  text-shadow: 0 0 8px rgba(37, 99, 235, 0.2);
  background: rgba(37, 99, 235, 0.08);
}

.main-nav a:hover::after {
  width: calc(100% - 1.6rem);
}

.region-toggle {
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--accent-text);
  border-radius: 6px;
  padding: 0.48rem 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.translate-widget {
  min-width: 148px;
  max-width: 190px;
  display: flex;
  justify-content: flex-end;
  flex-shrink: 0;
  position: relative;
  z-index: 24;
}

.translate-widget .goog-te-gadget {
  color: var(--text-secondary);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 0.81rem;
  line-height: 1;
}

.translate-widget .goog-te-gadget-simple {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(23, 39, 64, 0.82);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 0.42rem 0.72rem;
  min-height: 34px;
  max-width: 100%;
  overflow: hidden;
  transition: background-color 0.2s ease, border-color 0.2s ease, padding 0.2s ease;
  pointer-events: auto;
}

.translate-widget .goog-te-gadget-simple span {
  color: var(--text-secondary);
}

.translate-widget .goog-te-gadget-simple span:hover {
  color: var(--text-primary);
}

.translate-widget .goog-te-gadget-simple img,
.translate-widget .goog-te-gadget-icon {
  display: none !important;
}

.translate-widget .goog-te-gadget-simple .VIpgJd-ZVi9od-xl07Ob-lTBxed {
  margin-right: 0.2rem;
  color: #dbeafe;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

iframe.goog-te-banner-frame.skiptranslate {
  display: none !important;
}

body {
  top: 0 !important;
}

.site-header.is-scrolled {
  background: rgba(11, 19, 36, 0.97);
  border-bottom-color: #3c5474;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.site-header.is-scrolled .nav {
  min-height: 66px;
}

.site-header.is-scrolled .logo-sub {
  opacity: 0;
  transform: translateY(-2px);
}

.site-header.is-scrolled .translate-widget .goog-te-gadget-simple {
  min-height: 32px;
  padding: 0.34rem 0.62rem;
}

.hero {
  padding: 7.5rem 0 6.5rem;
  border-bottom: 1px solid rgba(70, 92, 120, 0.38);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(29, 47, 75, 0.03) 50%, transparent 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
  will-change: transform;
  contain: layout style paint;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.hero-main {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 1.2rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #60a5fa;
  font-size: 0.76rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 1px;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Space Grotesk", Arial, sans-serif;
  line-height: 1.25;
}

h1 {
  max-width: 16ch;
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  margin-bottom: 1.4rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--text-primary) 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h3 {
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.005em;
}

.hero-copy {
  margin: 0;
  max-width: 62ch;
  color: var(--text-secondary);
  font-size: 1.02rem;
}

.exec-bullets {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  color: #dbe6f8;
}

.exec-bullets li {
  margin-bottom: 0.25rem;
  font-size: 0.93rem;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.4rem;
  align-items: center;
}

.btn {
  text-decoration: none;
  border-radius: 6px;
  padding: 0.88rem 1.48rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  font-size: 0.98rem;
  gap: 0.6rem;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: 1px solid rgba(37, 99, 235, 0.4);
  box-shadow: var(--shadow-md), var(--glow-sm);
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
  contain: layout style;
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: var(--shadow-lg), var(--glow-lg);
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.6);
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm), var(--glow-sm);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  color: var(--text-primary);
  border: 1px solid rgba(70, 92, 120, 0.5);
  background: linear-gradient(135deg, rgba(70, 92, 120, 0.08) 0%, rgba(52, 74, 103, 0.08) 100%);
  backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.btn-secondary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
  transition: left 0.5s ease;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, rgba(70, 92, 120, 0.16) 0%, rgba(52, 74, 103, 0.16) 100%);
  border-color: rgba(37, 99, 235, 0.7);
  color: var(--accent-text);
  box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.08), var(--shadow-sm), var(--glow-sm);
  transform: translateY(-2px);
}

.btn-secondary:hover::after {
  left: 100%;
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.hero-metrics {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.executive-snapshot {
  border: 1px solid rgba(37, 99, 235, 0.4);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(29, 47, 75, 0.6) 100%);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transition: all 0.38s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.32s ease-out;
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow, border-color;
  contain: layout style;
}

.executive-snapshot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
  transition: background 0.32s ease-out;
}

.executive-snapshot:hover {
  border-color: rgba(37, 99, 235, 0.8);
  box-shadow: var(--shadow-lg), var(--glow-lg), inset 0 1px 2px rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.16) 0%, rgba(29, 47, 75, 0.7) 100%);
}

.executive-snapshot:hover::before {
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.6), transparent);
}

.executive-snapshot:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.snapshot-header {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}

.snapshot-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 8px;
  color: #60a5fa;
}

.snapshot-icon svg {
  color: inherit;
}

.snapshot-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.snapshot-list {
  margin: 0.4rem 0 0;
  padding-left: 0;
  list-style: none;
}

.snapshot-list li {
  display: flex;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
  list-style: none;
  font-size: 0.92rem;
  line-height: 1.5;
  color: #dbe6f8;
}

.snapshot-list .list-icon {
  min-width: 1.3rem;
  flex-shrink: 0;
  opacity: 0.8;
}

.snapshot-list strong {
  color: #e2e8f0;
}

.snapshot-notes {
  display: flex;
  gap: 0.7rem;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(37, 99, 235, 0.2);
}

.notes-icon {
  min-width: 1.5rem;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.snapshot-notes p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.91rem;
  line-height: 1.5;
}

.metric {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  padding: 1.3rem;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.6) 0%, rgba(29, 47, 75, 0.6) 100%);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.38s cubic-bezier(0.34, 1.56, 0.64, 1), border-color 0.3s ease-out, background 0.36s ease-out;
  position: relative;
  will-change: transform, box-shadow, border-color;
  contain: layout style;
}

.metric::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.metric:hover {
  border-color: rgba(37, 99, 235, 0.7);
  box-shadow: var(--shadow-lg), var(--glow-md), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.8) 0%, rgba(29, 47, 75, 0.8) 100%);
}

.metric:hover::before {
  opacity: 1;
}

.metric:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.metric-value {
  display: block;
  font-size: 1.6rem;
  font-family: "Space Grotesk", Arial, sans-serif;
  color: #60a5fa;
  text-shadow: 0 0 12px rgba(37, 99, 235, 0.3);
  font-weight: 700;
  animation: float 3s ease-in-out infinite;
  will-change: transform;
  contain: layout style;
}

.metric-label {
  display: block;
  margin-top: 0.2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, var(--bg-alt) 0%, rgba(26, 40, 71, 0.5) 50%, var(--bg-alt) 100%);
  position: relative;
}

.trust-strip::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.15), transparent);
}

.trust-grid {
  padding: 1.5rem 0;
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(4, 1fr);
  color: #cbd5e1;
  font-size: 0.92rem;
  font-weight: 500;
}

.section {
  padding: 5.5rem 0;
  border-top: 1px solid rgba(70, 92, 120, 0.34);
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.value-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.value-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 8px;
  color: #60a5fa;
  margin-bottom: 1rem;
}

.value-icon svg {
  color: inherit;
}

.value-card h3 {
  margin-bottom: 0.6rem;
}

.contact-head {
  max-width: 100%;
}

.contact-header-visual {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.6rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 8px;
  color: #60a5fa;
}

.contact-icon svg {
  color: inherit;
}

.header-spark {
  width: 12px;
  height: 12px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.7) 0%, transparent 70%);
  border-radius: 50%;
  animation: spark-pulse 1.8s ease-in-out infinite;
  margin-left: 0.5rem;
  box-shadow: 0 0 8px rgba(96, 165, 250, 0.6);
  will-change: opacity, box-shadow;
  contain: layout style;
}

.section-head {
  max-width: 74ch;
  position: relative;
  padding-bottom: 1rem;
  margin-bottom: 0.2rem;
}

.section-head::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 2px;
}

.section-head h2 {
  font-size: clamp(1.95rem, 4vw, 2.85rem);
  margin-bottom: 0.9rem;
  letter-spacing: 0.01em;
  max-width: 18ch;
  font-weight: 700;
  line-height: 1.25;
}

.section-head p {
  color: var(--text-secondary);
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
}

.grid {
  display: grid;
  gap: 1.3rem;
  margin-top: 2rem;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.summary-grid {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.summary-item {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.5) 0%, rgba(29, 47, 75, 0.5) 100%);
  backdrop-filter: blur(10px);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.summary-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.summary-item:hover {
  border-color: rgba(37, 99, 235, 0.7);
  box-shadow: var(--shadow-lg), var(--glow-md), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.7) 0%, rgba(29, 47, 75, 0.7) 100%);
}

.summary-item:hover::before {
  opacity: 1;
}

.summary-item h3 {
  margin-bottom: 0.55rem;
}

.summary-item p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 50ch;
  font-size: 0.96rem;
}

.summary-list-card {
  margin-top: 1.8rem;
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.5) 0%, rgba(29, 47, 75, 0.5) 100%);
  backdrop-filter: blur(10px);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.summary-list-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.summary-list-card:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.65) 0%, rgba(29, 47, 75, 0.65) 100%);
}

.summary-list-card:hover::before {
  opacity: 1;
}

.summary-list-card ul {
  margin: 0;
  padding-left: 1rem;
  color: #dbe6f8;
}

.summary-list-card li {
  margin-bottom: 0.45rem;
}

.card,
.pricing-card,
.blueprint-box {
  border: 1px solid rgba(52, 74, 103, 0.6);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.5) 0%, rgba(29, 47, 75, 0.5) 100%);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before,
.pricing-card::before,
.blueprint-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.card:hover,
.pricing-card:hover,
.blueprint-box:hover {
  border-color: rgba(37, 99, 235, 0.8);
  box-shadow: var(--shadow-lg), var(--glow-md), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.7) 0%, rgba(29, 47, 75, 0.7) 100%);
}

.card:hover::before,
.pricing-card:hover::before,
.blueprint-box:hover::before {
  opacity: 1;
}

.card p,
.pricing-card p {
  color: var(--text-secondary);
  max-width: 48ch;
  font-size: 0.98rem;
}

.card ul,
.pricing-card ul,
.blueprint-box ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: #e2e8f0;
}

.card li,
.pricing-card li,
.blueprint-box li {
  margin-bottom: 0.28rem;
  line-height: 1.5;
}

.pso-card {
  border-color: rgba(79, 102, 135, 0.6);
  background: linear-gradient(135deg, rgba(24, 40, 66, 0.7) 0%, rgba(29, 47, 75, 0.7) 100%);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
}

.pso-card:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.pso-header {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 0.7rem;
}

.pso-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 6px;
  color: #60a5fa;
}

.pso-icon svg {
  color: inherit;
}

.pso-header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.source-note {
  margin-top: 0.8rem;
  font-size: 0.84rem;
  color: #93c5fd;
  line-height: 1.5;
}

.source-note a {
  color: #93c5fd;
  text-decoration: none;
  transition: all 0.24s ease;
  border-bottom: 1px solid rgba(147, 197, 253, 0.3);
}

.source-note a:hover {
  color: #bfdbfe;
  border-bottom-color: #93c5fd;
}

.metric-outcome {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.5) 0%, rgba(23, 39, 64, 0.5) 100%);
  backdrop-filter: blur(8px);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.metric-outcome::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.metric-outcome:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-lg), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.7) 0%, rgba(23, 39, 64, 0.7) 100%);
}

.metric-outcome:hover::before {
  opacity: 1;
}

.metric-outcome h3 {
  margin: 0 0 0.36rem;
  color: #bfdbfe;
  font-size: 1.3rem;
}

.metric-outcome p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.arch-layout {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.95rem;
}

.arch-column {
  padding: 1.8rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.6) 0%, rgba(23, 39, 64, 0.6) 100%);
  border: 1px solid rgba(52, 74, 103, 0.5);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.arch-column::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.arch-column:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-lg), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.8) 0%, rgba(23, 39, 64, 0.8) 100%);
}

.arch-column:hover::before {
  opacity: 1;
}

.arch-column p {
  color: var(--text-secondary);
  margin: 0;
}

.architecture-kpis {
  margin-top: 1rem;
}

.demo-layout {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.demo-visual p {
  max-width: 64ch;
}

/* SVG 性能优化 */
svg {
  max-width: 100%;
  height: auto;
  overflow: visible;
  contain: layout style paint;
}

.product-figure {
  margin: 1.8rem 0 0;
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(11, 19, 36, 0.7) 0%, rgba(20, 31, 54, 0.7) 100%);
  backdrop-filter: blur(10px);
  aspect-ratio: 16 / 9;
  min-height: 320px;
  display: grid;
  place-items: center;
  padding: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  contain: layout style paint;
}

.product-figure::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.product-figure:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-lg), var(--glow-lg), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(11, 19, 36, 0.9) 0%, rgba(20, 31, 54, 0.9) 100%);
}

.product-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 440px;
  object-fit: contain;
}

.demo-panel {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.6) 0%, rgba(29, 47, 75, 0.6) 100%);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.demo-header {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 0.8rem;
}

.demo-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 8px;
  color: #60a5fa;
}

.demo-icon svg {
  color: inherit;
}

.demo-list {
  margin: 0.5rem 0 0;
  padding-left: 0;
  list-style: none;
}

.demo-list li {
  display: flex;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
  font-size: 0.93rem;
  line-height: 1.5;
}

.check-icon {
  color: #60a5fa;
  min-width: 1.2rem;
  flex-shrink: 0;
  font-weight: bold;
}

.demo-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.demo-panel:hover {
  border-color: rgba(37, 99, 235, 0.7);
  box-shadow: var(--shadow-lg), var(--glow-md), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.8) 0%, rgba(29, 47, 75, 0.8) 100%);
}

.demo-panel:hover::before {
  opacity: 1;
}

.demo-panel ul {
  margin: 0.85rem 0 0;
  padding-left: 1rem;
  color: #dbe6f8;
}

.demo-panel li {
  margin-bottom: 0.35rem;
}

.demo-actions {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.demo-gallery-wrap {
  margin-top: 1rem;
}

.demo-gallery-head h3 {
  margin: 0.15rem 0 0;
}

.demo-gallery {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, 1fr);
}

.demo-shot {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.5) 0%, rgba(29, 47, 75, 0.5) 100%);
  backdrop-filter: blur(8px);
  padding: 0.9rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.demo-shot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
  z-index: 1;
}

.demo-shot:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-lg), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.7) 0%, rgba(29, 47, 75, 0.7) 100%);
}

.demo-shot:hover::before {
  opacity: 1;
}

.demo-shot img {
  display: block;
  width: 100%;
  height: 180px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(47, 67, 95, 0.6);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.demo-shot:hover img {
  transform: scale(1.04);
}

.demo-shot p {
  margin: 0.55rem 0 0.1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.architecture-overview {
  margin-top: 1.9rem;
  display: grid;
  gap: 0.55rem;
  position: relative;
}

.layer-box {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.6) 0%, rgba(23, 39, 64, 0.6) 100%);
  backdrop-filter: blur(10px);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.layer-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.layer-box:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-lg), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.8) 0%, rgba(23, 39, 64, 0.8) 100%);
}

.layer-box:hover::before {
  opacity: 1;
}

.layer-box h3,
.optional-region h3 {
  margin-bottom: 0.46rem;
  font-size: 1.02rem;
}

.layer-box p,
.optional-region p {
  margin: 0;
  color: var(--text-secondary);
}

.layer-arrow {
  width: 2px;
  height: 20px;
  margin-left: 1.15rem;
  background: var(--line-soft);
  position: relative;
}

.layer-arrow::after {
  content: "";
  position: absolute;
  left: -4px;
  bottom: -2px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--line-soft);
}

.optional-region {
  margin-top: 0.8rem;
  margin-left: 2.5rem;
  max-width: 560px;
  border: 1px dashed rgba(70, 92, 120, 0.5);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.4) 0%, rgba(29, 47, 75, 0.4) 100%);
  backdrop-filter: blur(6px);
  padding: 1.3rem;
  position: relative;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.03);
  transition: all 0.32s ease;
}

.optional-region:hover {
  border-color: rgba(70, 92, 120, 0.7);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.55) 0%, rgba(29, 47, 75, 0.55) 100%);
}

.optional-region::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 25px;
  width: 22px;
  height: 2px;
  background: var(--line-soft);
}

.price {
  display: inline-block;
  font-size: 0.82rem;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #bfdbfe;
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: 999px;
  padding: 0.26rem 0.62rem;
  margin: 0.5rem 0 0.95rem;
}

.pricing-card.featured {
  border-color: rgba(37, 99, 235, 0.7);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(29, 47, 75, 0.6) 100%);
  box-shadow: var(--shadow-lg), var(--glow-lg), inset 0 1px 3px rgba(37, 99, 235, 0.2);
  position: relative;
  animation: glow-pulse 3s ease-in-out infinite;
}

.blueprint-box {
  margin-top: 1rem;
  background: var(--panel-soft);
}

.soft-cta-section {
  padding: 2.2rem 0;
}

.soft-cta-box {
  border: 1px solid rgba(52, 74, 103, 0.5);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.5) 0%, rgba(29, 47, 75, 0.5) 100%);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  box-shadow: var(--shadow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.soft-cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.soft-cta-box:hover {
  border-color: rgba(37, 99, 235, 0.6);
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(23, 39, 64, 0.65) 0%, rgba(29, 47, 75, 0.65) 100%);
}

.soft-cta-box:hover::before {
  opacity: 1;
}

.soft-cta-box p {
  margin: 0;
  color: var(--text-secondary);
}

.final-cta-section {
  padding: 5.2rem 0;
}

.final-cta-box {
  border: 1px solid rgba(52, 74, 103, 0.6);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.6) 0%, rgba(23, 39, 64, 0.6) 100%);
  backdrop-filter: blur(10px);
  padding: 2rem;
  max-width: 900px;
  box-shadow: var(--shadow-md), var(--glow-sm), inset 0 1px 2px rgba(255, 255, 255, 0.05);
  transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.final-cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.3), transparent);
}

.final-cta-box:hover {
  border-color: rgba(37, 99, 235, 0.7);
  box-shadow: var(--shadow-lg), var(--glow-lg), inset 0 1px 2px rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
  background: linear-gradient(135deg, rgba(29, 47, 75, 0.8) 0%, rgba(23, 39, 64, 0.8) 100%);
}

.cta-content {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.cta-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: 10px;
  color: #60a5fa;
}

.cta-icon svg {
  color: inherit;
}

.cta-text h2 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  line-height: 1.25;
}

.cta-text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-items: flex-start;
  min-width: max-content;
}

.cta-note {
  margin: 0;
  font-size: 0.82rem;
  color: #9fb0c8;
  line-height: 1.4;
}

.final-cta-box p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
}

.final-cta-box h2 {
  margin-bottom: 0.75rem;
}

.contact-form {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 900px;
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.contact-form button {
  font: inherit;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 0.88rem 0.94rem;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--panel) 0%, var(--panel-soft) 100%);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.28s ease-out, background 0.32s ease-out;
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 8px rgba(37, 99, 235, 0.08);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: linear-gradient(135deg, var(--panel-soft) 0%, var(--panel) 100%);
}

.contact-form textarea {
  min-height: 100px;
  resize: vertical;
  grid-column: 1 / -1;
}

.contact-form button {
  grid-column: 1 / -1;
}

.qualification-result {
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
  background: var(--panel-soft);
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.qualification-result.qualified {
  border-color: rgba(37, 99, 235, 0.45);
  color: #dbeafe;
}

.qualification-result.nurture {
  border-color: rgba(148, 163, 184, 0.5);
  color: #cbd5e1;
}

.qualification-resource {
  justify-self: start;
}

.form-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  grid-column: 1 / -1;
  line-height: 1.5;
}

.qualification-result {
  grid-column: 1 / -1;
  margin: 0.5rem 0;
}

.qualification-resource {
  grid-column: 1 / -1;
}

.contact-form button {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0.88rem 1.2rem;
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.24s ease;
  font-size: 0.98rem;
}

.contact-form button:hover {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.contact-form button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  border-top: 1px solid var(--line);
  background: rgba(11, 19, 36, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
}

.sticky-cta-inner {
  width: min(1240px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.sticky-cta-inner span {
  color: #cbd5e1;
  font-size: 0.92rem;
}

footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #0b1324 0%, #0a0f1f 100%);
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
}

.footer-content {
  padding: 2.8rem 0 5.6rem;
  color: #cbd5e1;
  font-size: 0.91rem;
}

.footer-content p {
  margin: 0.3rem 0;
  line-height: 1.6;
}

.footer-content a {
  color: #60a5fa;
  text-decoration: none;
  transition: color 0.24s ease;
}

.footer-content a:hover {
  color: #93c5fd;
  text-decoration: underline;
}

@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .nav {
    min-height: 74px;
  }

  .hero {
    padding: 6rem 0 4.8rem;
  }

  .section {
    padding: 4.8rem 0;
  }

  .section-head::after {
    width: 48px;
  }

  .grid {
    gap: 1.1rem;
    margin-top: 1.8rem;
  }

  .arch-layout {
    gap: 1.1rem;
  }

  .trust-grid {
    gap: 0.9rem;
    padding: 1.1rem 0;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-form textarea,
  .contact-form button,
  .form-note,
  .qualification-result,
  .qualification-resource {
    grid-column: 1;
  }
}

@media (max-width: 900px) {
  /* 移动设备性能优化 */
  body {
    padding-bottom: 104px;
  }

  /* 简化移动设备上的背景网格 */
  body::before {
    background-size: 100px 100px;
  }

  /* 减少移动设备上的动画复杂度 */
  .metric-value {
    animation-duration: 3.5s;
  }

  .btn,
  .btn-primary,
  .btn-secondary {
    will-change: auto;
  }

  .nav {
    min-height: 68px;
    padding: 0.72rem 0;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
  }

  .logo-sub {
    display: none;
  }

  .nav-tools {
    width: auto;
    min-width: 0;
    justify-content: flex-end;
  }

  .translate-widget {
    min-width: 124px;
    max-width: 152px;
    justify-content: flex-end;
  }

  .translate-widget .goog-te-gadget-simple {
    width: 100%;
    max-width: 100%;
    min-height: 32px;
    padding: 0.36rem 0.58rem;
  }

  .site-header.is-scrolled .logo-sub {
    opacity: 0;
    transform: none;
  }

  .grid-3,
  .arch-layout,
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2,
  .hero-metrics,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .demo-layout {
    grid-template-columns: 1fr;
  }

  .demo-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-figure {
    min-height: 260px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2rem, 8vw, 2.85rem);
  }

  .section-head h2 {
    max-width: 100%;
    font-size: clamp(1.65rem, 5.4vw, 2.2rem);
  }

  .hero-actions {
    width: 100%;
    gap: 0.62rem;
  }

  .hero-actions .btn,
  .demo-actions .btn {
    width: 100%;
    text-align: center;
  }

  .final-cta-box {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .contact-header-visual {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.4rem;
  }

  .hero-metrics .metric {
    padding: 0.92rem;
  }

  .optional-region {
    margin-left: 0;
    max-width: none;
  }

  .optional-region::before {
    display: none;
  }

  .soft-cta-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .sticky-cta-inner {
    width: min(1240px, calc(100% - 1.6rem));
    flex-direction: column;
    align-items: flex-start;
    gap: 0.58rem;
  }

  .sticky-cta-inner .btn {
    width: 100%;
    text-align: center;
  }

  .mobile-menu-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    padding-bottom: 120px;
  }

  .container {
    width: min(1240px, calc(100% - 1.6rem));
  }

  .nav {
    min-height: 64px;
    padding: 0.62rem 0;
  }

  .translate-widget {
    min-width: 112px;
    max-width: 136px;
  }

  .mobile-menu-toggle {
    padding: 0.36rem 0.68rem;
    font-size: 0.78rem;
  }

  .hero {
    padding: 4.8rem 0 4rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-head {
    margin-bottom: 0.4rem;
  }

  .section-head h2 {
    font-size: clamp(1.6rem, 6vw, 2rem);
    margin-bottom: 0.7rem;
  }

  .section-head::after {
    width: 40px;
    height: 2px;
  }

  .grid-3,
  .arch-layout,
  .trust-grid,
  .demo-gallery {
    grid-template-columns: 1fr;
  }

  .grid {
    gap: 0.95rem;
    margin-top: 1.6rem;
  }

  .product-figure {
    min-height: 220px;
    padding: 0.6rem;
  }

  .demo-shot img {
    height: 152px;
  }

  .soft-cta-section {
    padding: 1.8rem 0;
  }

  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }

  .card,
  .card p {
    font-size: 0.93rem;
  }

  .contact-form {
    gap: 0.85rem;
    margin-top: 1.4rem;
  }

  .hero-actions {
    gap: 0.6rem;
    margin-top: 2rem;
  }

  .hero-metrics {
    margin-top: 1.6rem;
    gap: 0.75rem;
  }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse-glow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.7;
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: var(--shadow-md), var(--glow-sm);
  }
  50% {
    box-shadow: var(--shadow-lg), var(--glow-md);
  }
}

@keyframes border-glow {
  0%, 100% {
    border-color: rgba(52, 74, 103, 0.5);
  }
  50% {
    border-color: rgba(37, 99, 235, 0.6);
  }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slide-in-left {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes rotate-in {
  from {
    opacity: 0;
    transform: rotate(-6deg) scale(0.95);
  }
  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

@keyframes subtle-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes spark-pulse {
  0%, 100% {
    opacity: 0.4;
    box-shadow: 0 0 8px rgba(96, 165, 250, 0.4);
  }
  50% {
    opacity: 0.9;
    box-shadow: 0 0 16px rgba(96, 165, 250, 0.8);
  }
}

/* 动画实用类 */
.animate-fade-in-up {
  animation: fade-in-up 0.68s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-fade-in {
  animation: fade-in 0.64s ease-out forwards;
}

.animate-slide-in-right {
  animation: slide-in-right 0.66s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-slide-in-left {
  animation: slide-in-left 0.66s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-scale-in {
  animation: scale-in 0.58s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-float {
  animation: float 3.2s ease-in-out infinite;
}

.animate-subtle-bounce {
  animation: subtle-bounce 2s ease-in-out infinite;
}

.section {
  animation: fade-in 0.7s ease-out forwards;
  opacity: 0.98;
}

.card,
.metric,
.summary-item,
.demo-shot,
.layer-box,
.metric-outcome,
.arch-column,
.soft-cta-box {
  animation: fade-in-up 0.72s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  animation-timeline: view();
  animation-range: entry 15% cover 35%;
  opacity: 0.95;
}

/* 级联延迟 */
.metric:nth-child(1),
.summary-item:nth-child(1),
.layer-box:nth-child(1),
.arch-column:nth-child(1),
.soft-cta-box:nth-child(1) {
  animation-delay: 0s;
}

.metric:nth-child(2),
.summary-item:nth-child(2),
.layer-box:nth-child(2),
.arch-column:nth-child(2),
.soft-cta-box:nth-child(2) {
  animation-delay: 0.08s;
}

.metric:nth-child(3),
.summary-item:nth-child(3),
.layer-box:nth-child(3),
.arch-column:nth-child(3),
.soft-cta-box:nth-child(3) {
  animation-delay: 0.16s;
}

.metric:nth-child(4),
.summary-item:nth-child(4),
.layer-box:nth-child(4),
.arch-column:nth-child(4),
.soft-cta-box:nth-child(4) {
  animation-delay: 0.24s;
}

/* ========================================
   Modal & Dialog Styles
   ======================================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.3s ease-out;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-alt);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: 12px;
  padding: 2.5rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--glow-md);
  animation: scale-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(52, 74, 103, 0.3);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.24s ease;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--accent);
}

/* ========================================
   Badge Styles
   ======================================== */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

/* ========================================
   Alert/Notification Styles
   ======================================== */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  border-left: 4px solid;
  margin: 1rem 0;
  animation: slide-in-right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.alert-info {
  background: rgba(37, 99, 235, 0.1);
  border-left-color: var(--accent);
  color: var(--accent);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-left-color: #22c55e;
  color: #22c55e;
}

/* ========================================
   Dark Mode Theme Variables
   ======================================== */
.dark-mode {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --bg-light: #f1f3f7;
  --panel: #ffffff;
  --panel-soft: #f8f9fa;
  --panel-hover: #f1f3f7;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --line: #e2e8f0;
  --line-soft: #cbd5e1;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-text: #1e40af;
  --ok: #3b82f6;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.12);
  --glow-sm: 0 0 12px rgba(37, 99, 235, 0.1);
  --glow-md: 0 0 24px rgba(37, 99, 235, 0.15);
  --glow-lg: 0 0 40px rgba(37, 99, 235, 0.2);
}

.dark-mode body::before {
  background-image:
    linear-gradient(0deg, transparent 24%, rgba(37, 99, 235, 0.01) 25%, rgba(37, 99, 235, 0.01) 26%, transparent 27%, transparent 74%, rgba(37, 99, 235, 0.01) 75%, rgba(37, 99, 235, 0.01) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(37, 99, 235, 0.01) 25%, rgba(37, 99, 235, 0.01) 26%, transparent 27%, transparent 74%, rgba(37, 99, 235, 0.01) 75%, rgba(37, 99, 235, 0.01) 76%, transparent 77%, transparent);
}

.dark-mode .btn-secondary {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(52, 74, 103, 0.1) 100%);
  border-color: rgba(37, 99, 235, 0.3);
}

.dark-mode .btn-secondary:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(52, 74, 103, 0.15) 100%);
  border-color: rgba(37, 99, 235, 0.6);
}

.dark-mode .card,
.dark-mode .metric,
.dark-mode .executive-snapshot {
  background: linear-gradient(135deg, rgba(241, 243, 247, 0.8) 0%, rgba(241, 243, 247, 0.6) 100%);
  border-color: rgba(0, 0, 0, 0.08);
}

.dark-mode .card:hover,
.dark-mode .metric:hover,
.dark-mode .executive-snapshot:hover {
  border-color: rgba(37, 99, 235, 0.5);
}

.dark-mode .site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

.dark-mode .site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

/* ========================================
   Reduced Motion Mode
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .site-header,
  .nav,
  .logo-sub,
  .translate-widget .goog-te-gadget-simple,
  .section,
  .card,
  .metric,
  .summary-item,
  .demo-shot,
  .layer-box,
  .metric-outcome,
  .btn,
  .btn:hover,
  .header-spark,
  .metric-value {
    animation: none !important;
    transition: none !important;
  }
}