:root {
  --bg: #f4f7fc;
  --surface: #ffffff;
  --surface-soft: #edf3fb;
  --surface-strong: #d7e3f5;
  --line: #d8e1ee;
  --line-strong: #bcc9dc;
  --text: #0e1c32;
  --text-soft: #53627a;
  --text-faint: #7a879b;
  --brand: #0f4fd6;
  --brand-deep: #0a2d7a;
  --brand-soft: rgba(15, 79, 214, 0.1);
  --accent: #2ba89b;
  --accent-soft: rgba(43, 168, 155, 0.12);
  --violet-soft: rgba(123, 92, 255, 0.1);
  --shadow: 0 24px 60px rgba(12, 35, 86, 0.1);
  --radius-xl: 12px;
  --radius-lg: 10px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --content-width: 1180px;
  --content-narrow: 960px;
  --header-height: 82px;
}

/* 侧边悬浮联系条 */
.sticky-contact {
  position: fixed;
  right: 24px;
  bottom: 150px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sticky-item {
  width: 58px;
  height: 58px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.sticky-item:hover {
  background: var(--brand);
  color: white;
  transform: scale(1.1);
}

.sticky-item .tooltip {
  position: absolute;
  right: 72px;
  background: rgba(255, 255, 255, 0.96);
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(191, 211, 246, 0.88);
  box-shadow: 0 18px 34px rgba(16, 35, 63, 0.12);
  width: 208px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all 0.3s ease;
  text-align: left;
  backdrop-filter: blur(12px);
}

.sticky-item:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.sticky-item .tooltip img {
  width: 146px;
  height: 146px;
  border-radius: 8px;
  margin-bottom: 10px;
}

.tooltip-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 8px;
  color: var(--brand-deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sticky-item .tooltip strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.sticky-item .tooltip p {
  color: var(--text-soft);
  line-height: 1.6;
}

.sticky-item-chat {
  border: 0;
  background: transparent;
  color: #fff;
  overflow: visible;
}

.sticky-item-chat:hover {
  background: transparent;
}

.sticky-chat-core {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.38), transparent 35%),
    linear-gradient(135deg, var(--brand) 0%, #4d7fff 45%, var(--accent) 100%);
  box-shadow:
    0 18px 32px rgba(47, 107, 255, 0.34),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sticky-item-chat:hover .sticky-chat-core {
  transform: scale(1.06);
  box-shadow:
    0 24px 40px rgba(47, 107, 255, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.24) inset;
}

.sticky-chat-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(47, 107, 255, 0.24);
  animation: aiPulse 2.8s ease-out infinite;
}

.sticky-chat-ring-2 {
  inset: -12px;
  border-color: rgba(25, 195, 182, 0.18);
  animation-delay: 1.1s;
}

.sticky-chat-mark {
  position: relative;
  z-index: 1;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "HarmonyOS Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.1), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(25, 195, 182, 0.09), transparent 26%),
    radial-gradient(circle at 75% 35%, rgba(123, 92, 255, 0.07), transparent 22%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
  min-height: 100vh;
}

body.has-ai-assistant-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  padding-top: var(--header-height);
}

.section,
.section-tight,
.page-hero {
  content-visibility: auto;
  contain-intrinsic-size: 900px;
}

.container {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.container-narrow {
  width: min(calc(100% - 40px), var(--content-narrow));
  margin: 0 auto;
}

.section {
  padding: 108px 0;
}

.section-tight {
  padding: 72px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 0 14px;
  border-radius: 999px;
  background: transparent;
  border: 0;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
}

.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.section-header {
  max-width: 700px;
  margin-bottom: 44px;
}

.section-header h2,
.page-hero h1,
.hero-copy h1 {
  margin: 16px 0 16px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.section-header h2 {
  font-size: clamp(34px, 5vw, 52px);
}

.section-header p,
.page-hero p,
.hero-copy p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-soft);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: all 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #0a2d7a 0%, var(--brand) 52%, var(--accent) 100%);
  color: #fff;
  box-shadow: 0 10px 22px rgba(15, 79, 214, 0.16);
}

.btn-secondary {
  border-color: rgba(15, 79, 214, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  box-shadow: none;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  background: rgba(248, 251, 255, 0.78);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(15, 79, 214, 0.08);
  box-shadow: 0 6px 18px rgba(12, 35, 86, 0.03);
}

.ai-assistant-modal {
  position: fixed;
  inset: 0;
  z-index: 220;
  pointer-events: none;
}

.ai-assistant-modal.is-open {
  pointer-events: auto;
}

.ai-assistant-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 35, 0.42);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.ai-assistant-modal.is-open .ai-assistant-backdrop {
  opacity: 1;
}

.ai-assistant-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  right: auto;
  bottom: auto;
  width: min(920px, calc(100vw - 36px));
  height: min(920px, calc(100vh - 24px));
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.14), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(25, 195, 182, 0.12), transparent 24%),
    rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(191, 211, 246, 0.85);
  box-shadow:
    0 28px 80px rgba(16, 35, 63, 0.22),
    0 0 0 1px rgba(255, 255, 255, 0.22) inset;
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  border-radius: 28px;
  overflow: hidden;
  transform: translate(-50%, calc(-50% + 24px)) scale(0.98);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.ai-assistant-modal.is-open .ai-assistant-panel {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.ai-assistant-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  z-index: 2;
}

.ai-assistant-head {
  display: flex;
  gap: 14px;
  padding: 26px 28px 22px;
  border-bottom: 1px solid rgba(214, 228, 251, 0.8);
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.18), transparent 34%),
    linear-gradient(180deg, #fbfdff 0%, #f4f8ff 100%);
  position: relative;
}

.ai-assistant-head::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 107, 255, 0), rgba(47, 107, 255, 0.36), rgba(25, 195, 182, 0.22), rgba(47, 107, 255, 0));
}

.ai-assistant-head strong {
  display: block;
  font-size: 18px;
  margin-bottom: 4px;
}

.ai-assistant-head p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
  max-width: 620px;
}

.ai-assistant-badge {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 34%),
    linear-gradient(135deg, var(--brand) 0%, #4d7fff 42%, var(--accent) 100%);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  box-shadow:
    0 16px 28px rgba(47, 107, 255, 0.26),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
  position: relative;
  overflow: hidden;
}

.ai-assistant-badge::before {
  content: "";
  position: absolute;
  inset: -30% 40% -30% -10%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0));
  transform: rotate(16deg);
  animation: aiSweep 3.4s linear infinite;
}

.ai-assistant-badge span {
  position: relative;
  z-index: 1;
}

.ai-assistant-frame-wrap,
.ai-assistant-fallback {
  flex: 1;
  min-height: 0;
}

.ai-assistant-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: rgba(255, 255, 255, 0.92);
}

.ai-chat-shell {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto auto;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(247, 250, 255, 0.96) 100%);
}

.ai-chat-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 12px;
  color: var(--text-soft);
  border-bottom: 1px solid rgba(214, 228, 251, 0.8);
  background: rgba(255, 255, 255, 0.68);
}

.ai-chat-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 0 0 6px rgba(47, 107, 255, 0.12);
}

.ai-chat-messages {
  min-height: 0;
  overflow-y: auto;
  padding: 28px 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ai-message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 100%;
}

.ai-message-user {
  justify-content: flex-end;
}

.ai-message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.ai-message-assistant .ai-message-avatar {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, #4d7fff 42%, var(--accent) 100%);
  box-shadow: 0 10px 18px rgba(47, 107, 255, 0.2);
}

.ai-message-user .ai-message-avatar {
  order: 2;
  color: var(--brand-deep);
  background: rgba(47, 107, 255, 0.12);
  border: 1px solid rgba(47, 107, 255, 0.14);
}

.ai-message-bubble {
  max-width: min(78%, 540px);
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(214, 228, 251, 0.9);
  box-shadow: 0 10px 22px rgba(16, 35, 63, 0.05);
}

.ai-message-user .ai-message-bubble {
  order: 1;
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.92), rgba(25, 195, 182, 0.9));
  border-color: transparent;
  color: #fff;
  border-top-right-radius: 8px;
}

.ai-message-assistant .ai-message-bubble {
  border-top-left-radius: 8px;
}

.ai-message-meta {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-soft);
  margin-bottom: 6px;
}

.ai-message-user .ai-message-meta {
  color: rgba(255, 255, 255, 0.78);
  text-align: right;
}

.ai-message-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.ai-message-user .ai-message-text {
  color: #fff;
}

.ai-message-typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 20px;
}

.ai-message-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(47, 107, 255, 0.56);
  animation: aiTyping 1.2s infinite ease-in-out;
}

.ai-message-typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.ai-message-typing span:nth-child(3) {
  animation-delay: 0.3s;
}

.ai-chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 0 24px 14px;
  align-items: end;
}

.ai-chat-form.is-busy {
  opacity: 0.72;
}

.ai-chat-input {
  width: 100%;
  min-height: 56px;
  max-height: 160px;
  resize: none;
  border: 1px solid rgba(191, 211, 246, 0.95);
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  line-height: 1.6;
  outline: none;
  font-size: 15px;
}

.ai-chat-input:focus {
  border-color: rgba(47, 107, 255, 0.52);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, 0.08);
}

.ai-chat-send {
  min-width: 100px;
  height: 56px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand) 0%, #4d7fff 42%, var(--accent) 100%);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 14px 24px rgba(47, 107, 255, 0.18);
}

.ai-chat-footnote {
  padding: 0 24px 20px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-faint);
}

.ai-wechat-card {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  background: rgba(237, 244, 255, 0.82);
  border: 1px solid rgba(47, 107, 255, 0.08);
}

.ai-wechat-card img {
  width: 92px;
  height: 92px;
  border-radius: 10px;
  object-fit: cover;
}

.ai-wechat-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text);
}

.ai-wechat-card p {
  margin: 0;
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.6;
}

.ai-assistant-fallback {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.58) 0%, rgba(244, 248, 255, 0.92) 100%);
}

.ai-assistant-fallback p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.ai-assistant-fallback code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--brand-deep);
}

.ai-assistant-wechat {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 14px 28px rgba(47, 107, 255, 0.06);
}

.ai-assistant-wechat img {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  object-fit: cover;
}

.ai-assistant-wechat strong {
  display: block;
  margin-bottom: 8px;
}

.ai-assistant-wechat p {
  margin: 0;
  font-size: 14px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 32px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}

.brand-copy strong,
.footer-brand strong {
  display: block;
  font-size: 22px;
  letter-spacing: -0.04em;
}

.brand-copy span,
.footer-brand span {
  display: block;
  font-size: 13px;
  color: var(--brand-deep);
  font-weight: 700;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  background: transparent;
  border: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px;
  height: var(--header-height);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.nav-item.has-children .nav-link::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.nav-link:hover,
.nav-link.is-active,
.nav-item:hover > .nav-link,
.nav-item:focus-within > .nav-link {
  color: var(--brand-deep);
  border-bottom-color: var(--brand);
  background: transparent;
  transform: translateY(-1px);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  padding: 8px 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(47, 107, 255, 0.1);
  border-top: 2px solid var(--brand);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  display: grid;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-2px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: grid;
  gap: 4px;
  padding: 16px 20px;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(47, 107, 255, 0.06);
  background: transparent;
  transition: background 0.15s ease;
}

.nav-dropdown a:hover {
  border-color: rgba(47, 107, 255, 0.06);
  background: var(--brand-soft);
}

.nav-dropdown a:last-child {
  border-bottom: none;
}

.nav-dropdown strong {
  font-size: 15px;
  color: var(--text);
}

.nav-dropdown span {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-faint);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
}

.mobile-panel {
  display: none;
  padding: 0 0 18px;
}

.mobile-panel nav {
  display: grid;
  gap: 10px;
  padding-top: 12px;
}

.mobile-panel a,
.mobile-group button {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  font-weight: 700;
}

.mobile-group {
  display: grid;
  gap: 8px;
}

.mobile-group button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  cursor: pointer;
}

.mobile-group button::after {
  content: "+";
  color: var(--brand-deep);
  font-size: 18px;
  line-height: 1;
}

.mobile-group.is-open button::after {
  content: "-";
}

.mobile-subnav {
  display: none;
  gap: 8px;
  padding-left: 10px;
}

.mobile-group.is-open .mobile-subnav {
  display: grid;
}

.mobile-subnav a {
  font-size: 13px;
  font-weight: 600;
  background: rgba(237, 244, 255, 0.8);
}

.mobile-panel.is-open {
  display: block;
}

.hero {
  padding: 86px 0 140px;
  position: relative;
}

.hero-grid,
.page-hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
}

.hero-minimal {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 104px 0 96px;
}

.hero-minimal .container-narrow {
  position: relative;
  z-index: 2;
}

.hero-minimal-copy {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.hero-premium-copy {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-kicker-visible {
  margin: 0 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(15, 79, 214, 0.1);
  box-shadow: 0 10px 24px rgba(12, 35, 86, 0.05);
  color: rgba(10, 45, 122, 0.84);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-slogan {
  font-size: clamp(21px, 2.4vw, 28px);
  color: rgba(10, 45, 122, 0.92);
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.hero-manifesto {
  margin: 0 0 22px;
  font-size: clamp(17px, 1.8vw, 21px);
  color: rgba(14, 28, 50, 0.72);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.hero-value-title {
  margin: 0 0 22px;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.98;
  color: var(--text);
  text-wrap: balance;
  text-align: center;
  max-width: 900px;
}

.hero-lead {
  font-size: clamp(18px, 1.55vw, 21px);
  color: rgba(14, 28, 50, 0.68);
  line-height: 1.9;
  margin: 0 auto;
  max-width: 760px;
}

.hero-logo-band {
  margin-top: 58px;
}

.hero-chip-nav {
  display: none;
}

.hero-chip-nav a {
  display: none;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-premium-copy .hero-kicker {
  display: none;
}

.hero-kicker::before {
  content: "";
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.hero-brand {
  margin: 0;
  font-size: clamp(72px, 11vw, 160px);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.hero-subcopy {
  max-width: 560px;
  margin: 28px 0 0;
  font-size: 17px;
  line-height: 1.95;
  color: var(--text-soft);
}

.hero-bottom-note {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-bottom-note span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(47, 107, 255, 0.1);
  background: rgba(255, 255, 255, 0.68);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-aura {
  position: absolute;
  right: -3%;
  top: 12%;
  width: min(42vw, 680px);
  height: min(42vw, 680px);
  border-radius: 999px;
  background:
    radial-gradient(circle at 28% 30%, rgba(15, 79, 214, 0.24), transparent 36%),
    radial-gradient(circle at 62% 56%, rgba(43, 168, 155, 0.16), transparent 32%),
    radial-gradient(circle at 56% 24%, rgba(10, 45, 122, 0.12), transparent 28%);
  filter: blur(40px);
  pointer-events: none;
  opacity: 0.36;
}

.metric-strip-hero {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 8px;
}

.metric-strip-hero .mini-card {
  padding: 24px 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 252, 0.92));
  border: 1px solid rgba(15, 79, 214, 0.08);
  box-shadow: 0 14px 30px rgba(12, 35, 86, 0.05);
}

.metric-strip-hero .mini-card strong {
  font-size: 17px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.metric-strip-hero .mini-card span {
  font-size: 15px;
  line-height: 1.65;
  color: rgba(14, 28, 50, 0.64);
}

.ai-logo-band {
  display: grid;
  gap: 20px;
  margin-top: 0;
}

.ai-logo-band-title {
  margin: 0;
  text-align: center;
  font-size: 14px;
  color: rgba(14, 28, 50, 0.58);
  letter-spacing: 0.02em;
}

.ai-logo-row {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 16px;
}

.ai-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 108px;
  padding: 20px 12px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 40px rgba(12, 35, 86, 0.06);
  backdrop-filter: blur(14px);
}

.ai-logo-item img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.ai-logo-item span {
  font-size: 13px;
  font-weight: 700;
  color: rgba(14, 28, 50, 0.76);
  text-align: center;
}

.home-geo-intro {
  position: relative;
}

.home-geo-intro-shell {
  position: relative;
}

.home-geo-intro-shell::before {
  content: "";
  position: absolute;
  inset: 38px 24px -26px;
  border-radius: 40px;
  background:
    radial-gradient(circle at top left, rgba(15, 79, 214, 0.08), transparent 28%),
    radial-gradient(circle at 88% 24%, rgba(43, 168, 155, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(248, 251, 255, 0.96), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(15, 79, 214, 0.06);
  box-shadow: 0 28px 72px rgba(12, 35, 86, 0.07);
  pointer-events: none;
}

.home-geo-intro-header,
.home-geo-intro-grid {
  position: relative;
  z-index: 1;
}

.home-geo-intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.geo-dialog-card {
  position: relative;
  overflow: hidden;
  border-radius: 28px !important;
  background:
    radial-gradient(circle at top left, rgba(15, 79, 214, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(246, 250, 255, 0.98), rgba(238, 244, 255, 0.94)) !important;
  border: 1px solid rgba(15, 79, 214, 0.1) !important;
  box-shadow: 0 22px 48px rgba(10, 32, 76, 0.1);
}

.geo-dialog-card::after {
  content: "AI 搜索场景";
  position: absolute;
  top: 22px;
  right: 24px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 79, 214, 0.08);
  color: rgba(10, 45, 122, 0.72);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.geo-dialog-flow {
  position: relative;
  z-index: 1;
  gap: 18px !important;
}

.geo-dialog-row.is-user {
  justify-content: flex-end;
}

.geo-dialog-bubble {
  backdrop-filter: blur(12px);
}

.geo-dialog-bubble.is-user {
  background: rgba(255, 255, 255, 0.9) !important;
  box-shadow: 0 12px 24px rgba(12, 35, 86, 0.05) !important;
}

.geo-dialog-bubble.is-ai {
  background: rgba(255, 255, 255, 0.96) !important;
  border: 1px solid rgba(15, 79, 214, 0.14) !important;
  box-shadow: 0 16px 28px rgba(15, 79, 214, 0.08) !important;
}

.geo-dialog-avatar.is-ai {
  box-shadow: 0 10px 20px rgba(15, 79, 214, 0.12);
}

.geo-scenario-grid {
  align-items: stretch;
}

.geo-scenario-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 30px !important;
  border-radius: 24px !important;
  background:
    radial-gradient(circle at top right, rgba(15, 79, 214, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.96)) !important;
  box-shadow: 0 18px 42px rgba(12, 35, 86, 0.08) !important;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.geo-scenario-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15, 79, 214, 0.2) !important;
  box-shadow: 0 26px 54px rgba(12, 35, 86, 0.12) !important;
}

.geo-scenario-card .tag {
  padding: 7px 12px;
  border-radius: 999px;
  letter-spacing: 0.06em;
}

.geo-scenario-prompt,
.geo-scenario-answer {
  border-radius: 16px !important;
}

.geo-scenario-prompt {
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.98), rgba(242, 247, 255, 0.92)) !important;
  border: 1px solid rgba(15, 79, 214, 0.08);
}

.geo-scenario-answer {
  background: linear-gradient(180deg, rgba(244, 247, 255, 0.98), rgba(237, 243, 255, 0.95)) !important;
  border-left-width: 4px !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.geo-scenario-result {
  margin-top: auto !important;
}

.whitepaper-promo {
  position: relative;
  overflow: hidden;
  border-radius: 28px !important;
  background:
    radial-gradient(circle at top left, rgba(15, 79, 214, 0.09), transparent 28%),
    radial-gradient(circle at 90% 24%, rgba(43, 168, 155, 0.1), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 249, 255, 0.96)) !important;
}

.whitepaper-promo::after {
  content: "";
  position: absolute;
  inset: auto -30px -42px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 79, 214, 0.12), transparent 66%);
  pointer-events: none;
}

.home-cta-band {
  position: relative;
  overflow: hidden;
  padding: 52px 48px !important;
  border: 1px solid rgba(15, 79, 214, 0.1);
  border-radius: 30px;
  background:
    radial-gradient(circle at 10% 10%, rgba(15, 79, 214, 0.16), transparent 24%),
    radial-gradient(circle at 92% 18%, rgba(43, 168, 155, 0.14), transparent 20%),
    linear-gradient(135deg, #ffffff 0%, #f5f9ff 48%, #eef5ff 100%);
  box-shadow: 0 26px 56px rgba(12, 35, 86, 0.1);
}

.home-cta-band::after {
  content: "";
  position: absolute;
  inset: auto 28px 22px auto;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  border: 1px solid rgba(15, 79, 214, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.08));
  transform: rotate(18deg);
  pointer-events: none;
}

.home-cta-band .btn-row {
  position: relative;
  z-index: 1;
}

.home-cta-band .btn-primary {
  min-width: 150px;
  box-shadow: 0 18px 36px rgba(15, 79, 214, 0.2);
}

@media (max-width: 980px) {
  .home-geo-intro-grid,
  .whitepaper-promo {
    grid-template-columns: 1fr !important;
  }

  .home-geo-intro-copy {
    padding: 8px 8px 0 !important;
  }

  .whitepaper-promo-action {
    justify-content: flex-start !important;
  }
}

@media (max-width: 768px) {
  .home-geo-intro-shell::before {
    inset: 24px 16px -18px;
    border-radius: 28px;
  }

  .geo-dialog-card,
  .whitepaper-promo,
  .home-cta-band {
    border-radius: 22px !important;
  }

  .geo-dialog-card,
  .home-cta-band {
    padding: 24px !important;
  }

  .home-geo-intro-copy {
    padding: 0 !important;
  }

  .home-cta-band::after,
  .whitepaper-promo::after {
    display: none;
  }
}

.ai-logo-text-badge {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f4fd6 0%, #2ba89b 100%);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(15, 79, 214, 0.18);
}

.hero-platforms-section {
  padding-top: 8px;
  margin-top: -12px;
}


.hero-copy h1 {
  font-size: clamp(48px, 6vw, 78px);
  max-width: 11ch;
}

.hero-copy p {
  max-width: 560px;
  margin-bottom: 24px;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
}

.hero-highlights div,
.stat-card,
.metric-card,
.mini-card {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(15, 79, 214, 0.1);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.hero-highlights strong,
.stat-card strong,
.metric-card strong {
  display: block;
  font-size: 24px;
  letter-spacing: -0.04em;
  margin-bottom: 6px;
}

.hero-highlights span,
.stat-card span,
.metric-card span {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
}

.hero-visual,
.page-visual,
.panel,
.comparison-table,
.info-card,
.article-shell,
.contact-card,
.form-card,
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(15, 79, 214, 0.1);
  box-shadow: var(--shadow);
}

.hero-visual {
  padding: 24px;
  min-height: 520px;
  isolation: isolate;
}

.hero-visual::before,
.page-visual::before,
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.14), transparent 38%),
    radial-gradient(circle at bottom right, rgba(25, 195, 182, 0.12), transparent 36%),
    radial-gradient(circle at 78% 28%, rgba(123, 92, 255, 0.09), transparent 24%);
  pointer-events: none;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 16px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent);
  border: 1px solid rgba(255, 255, 255, 0.18);
  opacity: 0.6;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(47, 107, 255, 0.12);
  box-shadow: 0 20px 30px rgba(47, 107, 255, 0.1);
}

.floating-card.main {
  inset: 52px 42px 112px 42px;
  padding: 26px;
}

.floating-card.side {
  width: 220px;
  padding: 18px;
  right: 24px;
}

.floating-card.side.top {
  top: 34px;
}

.floating-card.side.bottom {
  left: 26px;
  right: auto;
  bottom: 30px;
}

.chip-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip,
.tag {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(237, 244, 255, 0.95), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(47, 107, 255, 0.14);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.platform-card {
  padding: 22px 18px;
  border-radius: 18px;
  border: 1px solid rgba(47, 107, 255, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  text-align: center;
}

.platform-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
}

.platform-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.platform-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.platform-douyin {
  background: linear-gradient(135deg, #111827, #2b3446);
}

.platform-xiaohongshu {
  background: linear-gradient(135deg, #ff3b63, #ff6f86);
}

.platform-zhihu {
  background: linear-gradient(135deg, #1468ff, #4a8fff);
}

.platform-csdn {
  background: linear-gradient(135deg, #ff6a39, #ff8d65);
}

.platform-wechat {
  background: linear-gradient(135deg, #1aad19, #52c44d);
  font-size: 22px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.model-card {
  padding: 22px 18px;
  border-radius: 18px;
  border: 1px solid rgba(47, 107, 255, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  text-align: center;
}

    .model-icon {
      width: 64px;
      height: 64px;
      margin: 0 auto 16px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: #fff;
      padding: 10px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      border: 1px solid rgba(0,0,0,0.05);
    }
    
    .model-icon img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

.model-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.model-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.model-doubao {
  background: linear-gradient(135deg, #3d6dff, #6b90ff);
}

.model-qwen {
  background: linear-gradient(135deg, #6b47ff, #906dff);
}

.model-zhipu {
  background: linear-gradient(135deg, #00a67e, #3fc69c);
}

.model-minimax {
  background: linear-gradient(135deg, #101828, #344054);
}

.model-deepseek {
  background: linear-gradient(135deg, #0f62fe, #3f8cff);
}

.grid-2,
.grid-3,
.grid-4,
.cards-grid,
.card-grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* FAQ 瀑布流布局 - 自动平衡左右高度 */
.faq-grid {
  column-count: 2;
  column-gap: 24px;
}

.faq-grid .faq-item {
  break-inside: avoid;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .faq-grid {
    column-count: 1;
  }
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.feature-card,
.timeline-card,
.pricing-card,
.stack-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(47, 107, 255, 0.1);
  box-shadow: var(--shadow);
}

.card:hover,
.feature-card:hover,
.stack-card:hover {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

.icon-badge {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
  border: 1px solid rgba(47, 107, 255, 0.12);
  font-weight: 800;
  color: var(--brand-deep);
  margin-bottom: 18px;
}

.card h3,
.feature-card h3,
.timeline-card h3,
.stack-card h3,
.info-card h3 {
  margin: 0 0 14px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.card p,
.feature-card p,
.timeline-card p,
.stack-card p,
.info-card p,
.list-copy,
.meta-copy {
  margin: 0 0 18px;
  color: var(--text-soft);
  line-height: 1.75;
}

.feature-list,
.clean-list,
.compare-list,
.meta-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.feature-list li,
.clean-list li,
.compare-list li,
.meta-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
  line-height: 1.7;
}

.feature-list li::before,
.clean-list li::before,
.compare-list li::before,
.meta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.architecture-board,
.diagram-board {
  padding: 24px;
}

.layer-stack {
  display: grid;
  gap: 18px;
}

.layer {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 107, 255, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(237, 244, 255, 0.88));
}

.layer strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.layer p {
  margin: 0 0 14px;
  color: var(--text-soft);
}

.comparison-table {
  padding: 0;
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.comparison-head,
.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
}

.comparison-head {
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
}

.comparison-row {
  border-bottom: 1px solid var(--line);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-head div,
.comparison-row div {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  min-height: 72px;
}

.comparison-head div {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.comparison-row div {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}

.comparison-row div:first-child {
  font-weight: 600;
  color: var(--text);
  background: rgba(47, 107, 255, 0.02);
}

.comparison-row div.highlight {
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.08), rgba(25, 195, 182, 0.05));
  color: var(--brand-deep);
  font-weight: 600;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.comparison-head div:last-child {
  background: linear-gradient(135deg, #0a2d7a 0%, var(--brand) 56%, var(--accent) 100%);
  color: white;
}

@media (max-width: 768px) {
  .comparison-head,
  .comparison-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .comparison-head div:nth-child(2),
  .comparison-row div:nth-child(2) {
    display: none;
  }
  
  .comparison-head div,
  .comparison-row div {
    padding: 16px;
    min-height: 60px;
  }
}

.page-hero {
  padding: 36px 0 56px;
}

.page-hero h1 {
  font-size: clamp(38px, 5vw, 60px);
}

.page-visual {
  min-height: 420px;
  padding: 26px;
}

.visual-panel {
  position: absolute;
  inset: 28px;
  padding: 26px;
  border-radius: 14px;
  border: 1px solid rgba(47, 107, 255, 0.12);
  background: rgba(255, 255, 255, 0.96);
}

.visual-panel .mini-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  height: 100%;
}

.mini-stack {
  display: grid;
  gap: 14px;
}

.mini-card h4,
.metric-card h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.mini-card p,
.metric-card p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
  font-size: 14px;
}

.story-block,
.content-block,
.panel {
  padding: 28px;
}

.panel-dark {
  background: linear-gradient(135deg, #11284a 0%, #173f78 100%);
  color: #fff;
}

.panel-dark p,
.panel-dark li,
.panel-dark span {
  color: rgba(255, 255, 255, 0.76);
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 22px;
  align-items: start;
}

.timeline-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 68px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-soft), var(--accent-soft));
  border: 1px solid rgba(47, 107, 255, 0.12);
  font-size: 13px;
  font-weight: 800;
  color: var(--brand-deep);
}

.industry-card,
.case-card,
.article-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.case-meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quote-box {
  padding: 24px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(23, 103, 255, 0.1), rgba(15, 178, 163, 0.12));
  border: 1px solid rgba(191, 209, 229, 0.8);
}

.quote-box strong {
  display: block;
  margin-bottom: 10px;
  font-size: 22px;
}

.cta-band {
  padding: 44px;
  background:
    radial-gradient(circle at top left, rgba(15, 79, 214, 0.12), transparent 28%),
    radial-gradient(circle at 88% 16%, rgba(43, 168, 155, 0.1), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 246, 252, 0.94));
}

.metric-strip {
  margin-top: 0;
}

.metric-strip .mini-card {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 24px rgba(12, 35, 86, 0.05);
}

.metric-strip .mini-card strong {
  font-size: 18px;
}

.card,
.soft-panel,
.cta-band,
.comparison-table,
.info-card {
  box-shadow: 0 14px 34px rgba(12, 35, 86, 0.06);
}

.cta-band h2 {
  margin: 12px 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.04em;
}

.cta-band p {
  margin: 0 0 22px;
  color: var(--text-soft);
  line-height: 1.8;
  max-width: 680px;
}

.site-footer {
  padding: 20px 0 44px;
}

.footer-shell {
  padding: 34px 28px 22px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.96));
  border: 1px solid rgba(47, 107, 255, 0.1);
  box-shadow: var(--shadow);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(300px, 1.35fr) minmax(170px, 0.8fr) minmax(190px, 0.9fr);
  gap: 30px;
}

.footer-grid h4 {
  margin: 0 0 16px;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.footer-grid ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid li,
.footer-grid p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 15px;
}

.footer-grid a {
  color: inherit;
}

.footer-grid a:hover {
  color: var(--brand);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand strong {
  font-size: 22px;
  letter-spacing: -0.04em;
}

.footer-brand span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
}

.footer-brand-mark {
  width: 52px;
  height: 52px;
  object-fit: contain;
  display: block;
}

.footer-lead {
  max-width: 360px;
}

.footer-group {
  display: grid;
  align-content: start;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(191, 209, 229, 0.7);
  color: var(--text-faint);
  font-size: 14px;
}

.footer-bottom span:last-child {
  white-space: nowrap;
}

.form-card {
  padding: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-soft);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field-full {
  grid-column: 1 / -1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 22px;
}

.contact-card,
.info-card {
  padding: 28px;
}

.info-pair {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(191, 209, 229, 0.72);
}

.info-pair:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.info-pair span {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.info-pair strong {
  font-size: 18px;
}

.map-placeholder {
  min-height: 220px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px dashed var(--line-strong);
  background: linear-gradient(135deg, rgba(47, 107, 255, 0.08), rgba(25, 195, 182, 0.08), rgba(123, 92, 255, 0.08));
  color: var(--text-soft);
  text-align: center;
  padding: 24px;
}

.article-shell {
  padding: 36px;
}

.hero-pillars,
.feature-band,
.story-grid,
.showcase-grid {
  display: grid;
  gap: 20px;
}

.clarity-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.clarity-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 107, 255, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.clarity-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.position-switch {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(47, 107, 255, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(237, 244, 255, 0.84));
  box-shadow: var(--shadow);
  padding: 24px;
}

.position-switch-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.position-switch-head strong {
  font-size: 18px;
  letter-spacing: -0.02em;
}

.position-switch-head span {
  color: var(--text-faint);
  font-size: 13px;
}

.position-switch-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.position-tab {
  border: 1px solid rgba(47, 107, 255, 0.14);
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.position-tab:hover,
.position-tab.is-active {
  color: var(--brand-deep);
  background: var(--brand-soft);
  border-color: rgba(47, 107, 255, 0.3);
}

.position-switch-body h3 {
  margin: 0 0 8px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.position-switch-body p {
  margin: 0 0 10px;
  color: var(--text-soft);
  line-height: 1.75;
}

.hero-pillars {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 42px;
}

.feature-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.story-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.showcase-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.soft-panel {
  padding: 40px;
  border-radius: 24px;
  border: 1px solid rgba(15, 79, 214, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 245, 252, 0.88));
  box-shadow: 0 20px 44px rgba(12, 35, 86, 0.08);
}

.soft-panel h3 {
  margin: 0 0 14px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.soft-panel p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.metric-banner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-banner .mini-card strong {
  font-size: 30px;
}

.split-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.line-list {
  display: grid;
  gap: 14px;
}

.line-item {
  padding: 22px 0;
  border-bottom: 1px solid rgba(47, 107, 255, 0.12);
}

.line-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

.line-item p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.article-shell h1 {
  margin: 18px 0;
  font-size: clamp(34px, 5vw, 54px);
  letter-spacing: -0.04em;
}

.article-shell h2 {
  margin-top: 38px;
  margin-bottom: 14px;
  font-size: 28px;
}

.article-shell p {
  color: var(--text-soft);
  line-height: 1.9;
}

.article-shell blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--brand);
  background: rgba(47, 107, 255, 0.06);
  border-radius: 0 10px 10px 0;
}

.table-of-contents {
  padding: 22px;
  border-radius: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.table-of-contents ol {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text-soft);
  line-height: 1.9;
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.empty-state {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line-strong);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-soft);
  text-align: center;
}

.trust-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 0 0;
  border-top: 1px solid rgba(47, 107, 255, 0.1);
}

.trust-strip p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.8;
}

.trust-metrics {
  display: flex;
  gap: 32px;
  align-items: center;
}

.trust-metrics strong {
  display: block;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.trust-metrics span {
  display: block;
  margin-top: 4px;
  color: var(--text-faint);
  font-size: 13px;
}

.showcase-frame {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
  position: relative;
  z-index: 2;
}

.frame-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(47, 107, 255, 0.12);
}

.frame-head strong {
  font-size: 15px;
}

.frame-head span {
  color: var(--text-faint);
  font-size: 13px;
}

.frame-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  min-height: 100%;
}

.hero-motion {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.motion-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(6px);
  opacity: 0.9;
}

.motion-orb.one {
  width: 260px;
  height: 260px;
  right: -50px;
  top: 28px;
  background: radial-gradient(circle, rgba(25, 195, 182, 0.28), transparent 70%);
  animation: floatDrift 7s ease-in-out infinite;
}

.motion-orb.two {
  width: 300px;
  height: 300px;
  left: -60px;
  bottom: -70px;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.22), transparent 72%);
  animation: floatDrift 10s ease-in-out infinite reverse;
}

.motion-orb.three {
  width: 180px;
  height: 180px;
  right: 110px;
  bottom: 60px;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.18), transparent 72%);
  animation: pulseAura 4.4s ease-in-out infinite;
}

.signal-lines {
  position: absolute;
  inset: 34px;
  border-radius: 16px;
  overflow: hidden;
  opacity: 0.6;
}

.signal-lines::before,
.signal-lines::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.24), transparent);
  animation: scanLine 5.5s linear infinite;
}

.signal-lines::after {
  transform: rotate(90deg);
  animation-duration: 7.5s;
}

.floating-signal {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #fff;
  box-shadow:
    0 0 0 6px rgba(255, 255, 255, 0.12),
    0 0 26px rgba(255, 255, 255, 0.4);
}

.floating-signal.a {
  top: 88px;
  left: 56%;
  animation: signalHop 5s ease-in-out infinite;
}

.floating-signal.b {
  top: 220px;
  left: 20%;
  animation: signalHop 6.2s ease-in-out infinite 1s;
}

.floating-signal.c {
  bottom: 84px;
  right: 74px;
  animation: signalHop 4.8s ease-in-out infinite 0.4s;
}

.frame-panel {
  display: grid;
  gap: 14px;
}

.frame-block {
  padding: 18px;
  border: 1px solid rgba(47, 107, 255, 0.12);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(237, 244, 255, 0.92));
}

.frame-block h4,
.case-visual h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.frame-block p,
.case-visual p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-strip .mini-card {
  padding: 16px;
}

.editorial-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.editorial-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.case-showcase {
  padding: 0;
  overflow: hidden;
}

.product-matrix {
  display: grid;
  gap: 32px;
}

.product-card-premium {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
  min-height: 320px;
}

.product-card-premium:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}

.product-card-premium:nth-child(even) .product-card-media {
  order: 2;
}

.product-card-media {
  width: 100%;
  height: 100%;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.product-card-body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 768px) {
  .product-card-premium, .product-card-premium:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .product-card-premium:nth-child(even) .product-card-media {
    order: 0;
  }
  .product-card-body {
    padding: 24px;
  }
}

.product-card-body h3 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.product-card-body p {
  margin: 0 0 16px;
  color: var(--text-soft);
  line-height: 1.8;
}

.product-card-body .btn {
  margin-top: 8px;
}

.product-matrix > :last-child {
  grid-column: 1 / -1;
}

.product-matrix > :last-child .product-card-media {
  min-height: 280px;
}

.product-matrix > :last-child .product-card-body {
  max-width: 820px;
}

.hero-minimal {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-bottom: 56px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: -60px;
  position: relative;
  z-index: 5;
}

.metric-strip .mini-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(47, 107, 255, 0.1);
}

.metric-strip .mini-card strong {
  font-size: 20px;
  color: var(--brand);
}

.metric-strip .mini-card span {
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.5;
}

.hero-media-card {
  min-height: 420px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(47, 107, 255, 0.12);
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.hero-media-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(9, 25, 51, 0.08), rgba(9, 25, 51, 0.62)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.18), transparent 30%);
}

.hero-media-copy {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 2;
  color: #fff;
}

.hero-media-copy strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.74);
}

.hero-media-copy p {
  margin: 0;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.product-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-kpis .mini-card strong {
  font-size: 26px;
}

.case-visual {
  min-height: 220px;
  padding: 28px;
  display: grid;
  align-content: end;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.12), transparent 20%),
    linear-gradient(160deg, #1849c6 0%, #225cf1 44%, #1298e8 72%, #16c0ae 100%);
  color: #fff;
  position: relative;
}

.case-visual p {
  color: rgba(255, 255, 255, 0.76);
}

.case-visual::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% 35%;
  height: 140px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), transparent 70%);
  filter: blur(10px);
}

.case-copy {
  padding: 28px;
}

.section-line {
  height: 1px;
  background: rgba(47, 107, 255, 0.12);
  margin-top: 32px;
}

.ai-demo-shell {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 20px;
  padding: 24px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.14), transparent 22%),
    linear-gradient(135deg, #163ea8 0%, #225cf1 38%, #1f8cff 66%, #17c1b4 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.ai-demo-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 10%, rgba(255, 255, 255, 0.1) 32%, transparent 50%);
  transform: translateX(-100%);
  pointer-events: none;
  opacity: 0.18;
}

.ai-demo-copy {
  display: grid;
  align-content: start;
  gap: 18px;
  padding: 8px 8px 8px 4px;
}

.ai-demo-copy p,
.ai-response p,
.ai-response li,
.ai-meta span,
.prompt-chip {
  color: rgba(255, 255, 255, 0.72);
}

.ai-demo-copy h3,
.ai-response h3 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.prompt-list {
  display: grid;
  gap: 12px;
}

.prompt-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.prompt-chip:hover,
.prompt-chip.is-active {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.ai-demo-panel {
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.07));
  border: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.ai-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.ai-panel-head strong {
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-panel-body {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.ai-demo-shell .ai-message,
.ai-demo-shell .ai-response,
.ai-demo-shell .ai-meta {
  padding: 16px 18px;
  border-radius: 12px;
}

.ai-demo-shell .ai-message {
  margin-left: auto;
  max-width: 78%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.ai-demo-shell .ai-response {
  background: #fff;
  color: var(--text);
  box-shadow: 0 10px 18px rgba(21, 74, 203, 0.08);
  transform-origin: top left;
}

.ai-demo-shell .ai-response p,
.ai-demo-shell .ai-response li {
  color: var(--text-soft);
}

.ai-demo-shell .ai-response ul {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.ai-demo-shell .ai-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ai-demo-shell .ai-meta span {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 12px;
  letter-spacing: 0.04em;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="left"].is-visible {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(30px);
}

[data-reveal="right"].is-visible {
  transform: translateX(0);
}

.parallax-shell {
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
}

.parallax-shell .showcase-frame,
.parallax-shell .motion-orb,
.parallax-shell .signal-lines {
  transition: transform 0.18s ease-out;
}

@keyframes floatDrift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -16px, 0) scale(1.04);
  }
}

@keyframes pulseAura {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.72;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

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

@keyframes signalHop {
  0%,
  100% {
    transform: translateY(0) scale(1);
    opacity: 0.88;
  }
  50% {
    transform: translateY(-10px) scale(1.12);
    opacity: 1;
  }
}

@keyframes aiPulse {
  0% {
    transform: scale(0.94);
    opacity: 0.72;
  }
  70% {
    transform: scale(1.24);
    opacity: 0;
  }
  100% {
    transform: scale(1.24);
    opacity: 0;
  }
}

@keyframes aiSweep {
  0% {
    transform: translateX(-180%) rotate(16deg);
  }
  100% {
    transform: translateX(220%) rotate(16deg);
  }
}

@keyframes aiTyping {
  0%,
  80%,
  100% {
    transform: scale(0.7);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shellSweep {
  0%,
  100% {
    transform: translateX(-120%);
  }
  50% {
    transform: translateX(120%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1199px) {
  .cards-grid,
  .grid-4,
  .grid-3,
  .footer-grid,
  .clarity-grid,
  .platform-grid,
  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .page-hero-grid,
  .split-grid,
  .editorial-grid,
  .ai-demo-shell,
  .story-grid,
  .contact-grid,
  .product-matrix,
  .comparison-head,
  .comparison-row {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .page-visual {
    min-height: 480px;
  }
}

@media (max-width: 991px) {
  :root {
    --header-height: 74px;
  }

  .nav-desktop,
  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-minimal {
    min-height: auto;
    padding-top: 40px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-highlights,
  .hero-pillars,
  .feature-band,
  .metric-banner,
  .metric-strip,
  .product-kpis,
  .grid-2,
  .showcase-grid,
  .split-feature,
  .card-grid,
  .form-grid,
  .kpi-strip,
  .timeline-card,
  .visual-panel .mini-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .sticky-contact {
    right: 14px;
    bottom: 118px;
  }

  .container,
  .container-narrow {
    width: min(calc(100% - 32px), var(--content-width));
  }

  .section {
    padding: 64px 0;
  }

  .section-tight {
    padding: 42px 0;
  }

  .page-hero,
  .hero {
    padding-bottom: 48px;
  }

  .hero-visual,
  .page-visual {
    min-height: 430px;
    padding: 18px;
  }

  .hero-brand {
    font-size: clamp(54px, 18vw, 92px);
  }

  .hero-premium-copy {
    padding: 24px 20px 28px;
    border-radius: 24px;
  }

  .hero-chip-nav a {
    width: 100%;
    justify-content: center;
  }

  .hero-manifesto {
    font-size: clamp(18px, 5.5vw, 24px);
  }

  .hero-value-title {
    font-size: clamp(34px, 10vw, 48px);
    line-height: 1.08;
  }

  .hero-kicker-visible {
    margin-bottom: 16px;
    font-size: 11px;
    letter-spacing: 0.1em;
  }

  .hero-slogan {
    font-size: 22px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .metric-strip-hero {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ai-logo-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }


  .hero-subcopy {
    font-size: 16px;
  }

  .hero-aura {
    width: 86vw;
    height: 86vw;
    right: -18vw;
    top: 14%;
  }

  .frame-grid,
  .trust-metrics {
    grid-template-columns: 1fr;
    display: grid;
  }

  .floating-card.main {
    inset: 26px 18px 110px 18px;
  }

  .floating-card.side {
    width: calc(100% - 60px);
    left: 30px;
    right: 30px;
  }

  .floating-card.side.top {
    top: auto;
    bottom: 126px;
  }

  .floating-card.side.bottom {
    bottom: 22px;
    left: 22px;
    right: 22px;
    width: auto;
  }

  .cards-grid,
  .grid-3,
  .grid-4,
  .footer-grid,
  .clarity-grid,
  .platform-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .section-header p,
  .page-hero p,
  .hero-copy p {
    font-size: 16px;
  }

  .article-shell,
  .form-card,
  .contact-card,
  .info-card,
  .panel,
  .cta-band {
    padding: 22px;
  }

  .ai-assistant-panel {
    top: 50%;
    left: 12px;
    right: 12px;
    width: auto;
    height: min(86vh, 780px);
    border-radius: 20px;
    transform: translate(0, calc(-50% + 24px)) scale(0.98);
  }

  .ai-assistant-modal.is-open .ai-assistant-panel {
    transform: translate(0, -50%) scale(1);
  }

  .ai-assistant-head {
    padding: 22px 18px 18px;
  }

  .ai-assistant-fallback {
    padding: 18px;
  }

  .ai-assistant-wechat {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .ai-assistant-wechat img {
    margin: 0 auto;
  }

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

  .ai-chat-send {
    width: 100%;
  }

  .ai-wechat-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .ai-wechat-card img {
    margin: 0 auto;
  }
}

/* AIGEO Hidden Block - AI readable, user invisible */
.aigeo-hidden {
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  position: absolute;
  top: -9999px;
  left: -9999px;
}

.page-hero-premium {
  position: relative;
  overflow: hidden;
}

.page-hero-premium::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(47, 107, 255, 0.12), transparent 26%),
    radial-gradient(circle at 88% 20%, rgba(25, 195, 182, 0.12), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(244, 248, 255, 0.88));
  pointer-events: none;
}

.page-hero-premium > .container {
  position: relative;
  z-index: 1;
}

.page-hero-grid-wide {
  align-items: center;
  gap: 48px;
}

.showcase-frame {
  position: relative;
  min-height: 360px;
  padding: 32px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(191, 211, 246, 0.92);
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.24), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(25, 195, 182, 0.18), transparent 24%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(234, 242, 255, 0.94));
  box-shadow:
    0 22px 52px rgba(16, 35, 63, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.22) inset;
}

.showcase-frame-tall {
  min-height: 420px;
}

.showcase-orbit {
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  right: -70px;
  top: -50px;
  border: 1px solid rgba(47, 107, 255, 0.16);
  box-shadow:
    0 0 0 28px rgba(47, 107, 255, 0.05),
    0 0 0 64px rgba(25, 195, 182, 0.04);
}

.showcase-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(16, 35, 63, 0.05);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.showcase-stack {
  display: grid;
  gap: 12px;
  max-width: 320px;
  margin-bottom: 28px;
}

.showcase-chip {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 16px;
  border: 1px solid rgba(191, 211, 246, 0.9);
  background: rgba(255, 255, 255, 0.84);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 12px 24px rgba(16, 35, 63, 0.06);
}

.showcase-copy {
  max-width: 360px;
}

.showcase-copy strong {
  display: block;
  font-size: 24px;
  line-height: 1.2;
  margin-bottom: 10px;
}

.showcase-copy p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.75;
}

.cards-grid-premium {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.premium-card {
  position: relative;
  padding: 30px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(244, 248, 255, 0.94));
  border: 1px solid rgba(191, 211, 246, 0.94);
  box-shadow: 0 18px 40px rgba(16, 35, 63, 0.08);
}

.premium-card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  border-radius: 14px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.premium-card h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.15;
}

.premium-card p {
  margin: 0 0 18px;
  color: var(--text-soft);
  line-height: 1.8;
}

.section-soft {
  background: rgba(255, 255, 255, 0.46);
}

.narrative-grid {
  align-items: stretch;
  gap: 24px;
}

.contact-grid-premium {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: stretch;
}

.contact-card-premium {
  padding: 34px;
  border-radius: 24px;
  border: 1px solid rgba(191, 211, 246, 0.94);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 247, 255, 0.95));
  box-shadow: 0 18px 42px rgba(16, 35, 63, 0.08);
}

.contact-card-premium h2 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.15;
}

.contact-card-premium > p {
  margin: 0 0 22px;
  color: var(--text-soft);
  line-height: 1.8;
}

.contact-list {
  display: grid;
  gap: 16px;
}

.contact-list-item {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(214, 228, 251, 0.9);
}

.contact-list-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
}

.contact-list-item p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.contact-card-qr {
  text-align: center;
}

.qr-stage {
  margin: 8px auto 22px;
  width: min(100%, 320px);
  padding: 18px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(236, 244, 255, 0.96));
  border: 1px solid rgba(191, 211, 246, 0.9);
  box-shadow: 0 18px 34px rgba(16, 35, 63, 0.08);
}

.qr-stage img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 18px;
}

@media (max-width: 980px) {
  .cards-grid-premium,
  .contact-grid-premium {
    grid-template-columns: 1fr;
  }

  .showcase-frame,
  .contact-card-premium {
    min-height: auto;
  }
}