:root {
  --bg: #f7f8fa;
  --bg-warm: #f6f4f1;
  --surface: #ffffff;
  --ink: #141820;
  --ink-muted: #5c6570;
  --brand: #1e6ff2;
  --brand-deep: #1769f4;
  --nav-line: #5296f3;
  --brand-soft: #7d83f6;
  --brand-ink: #041134;
  --accent-mustard: #c4a035;
  --accent-olive: #5f6b3a;
  --line: rgba(20, 24, 32, 0.08);
  --grad: linear-gradient(120deg, #1e6ff2, #1769f4 38%, #06b6d4);
  --max: 1180px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --r-lg: 20px;
  --sh-3: 0 18px 50px rgba(20, 24, 32, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Inter Tight", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-deep);
  margin: 0 0 0.85rem;
}

.display {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 0;
}

.display-en {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 500;
  font-style: italic;
  color: var(--ink-muted);
}

.lede {
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin: 0;
}

.tag-en {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin: 0.35rem 0 1.1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(247, 248, 250, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 248, 250, 0.94);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 1.5rem, calc(var(--max) + 3rem));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 600;
  color: var(--brand-ink);
  margin-left: -0.35rem;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-name {
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

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

/* 一行：三产品名 + 产品 / 能力 / 关于，统一底对齐 */
.nav-menu {
  display: flex;
  align-items: flex-end;
  gap: 0;
}

.nav-item {
  position: relative;
  display: inline-block;
  color: var(--ink);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  padding: 0 0.4rem 0.45rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease);
}

.nav-item--sub {
  font-size: 0.875rem;
}

.nav-item--main {
  font-size: 1.125rem;
}

.nav-item--lined {
  border-bottom-color: var(--nav-line);
}

.nav-item:hover {
  color: var(--brand-ink);
}

.nav-item--product::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--brand-deep);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 560;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease),
    box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 10px 28px rgba(30, 111, 242, 0.22);
}

.btn-contact {
  align-self: flex-end;
  margin-bottom: 0.05rem;
  background: #dfe8ff;
  color: var(--brand-ink);
  border-color: rgba(30, 111, 242, 0.18);
}

.btn-contact:hover {
  background: #cfdcff;
  color: var(--brand-ink);
  box-shadow: 0 8px 20px rgba(30, 111, 242, 0.12);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  background: #fff;
}

/* Hero — full-bleed + Sui-like radial warp (project palette) */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(820px 520px at 78% 22%, rgba(30, 111, 242, 0.14), transparent 58%),
    radial-gradient(640px 440px at 88% 78%, rgba(125, 131, 246, 0.08), transparent 55%),
    linear-gradient(165deg, #e8eef8 0%, #f7f8fa 48%, #eef2f8 100%);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.hero-bg-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 44% 38% at 26% 50%,
      rgba(247, 248, 250, 0.96) 0%,
      rgba(247, 248, 250, 0.82) 36%,
      rgba(247, 248, 250, 0.28) 58%,
      transparent 74%
    );
}

.hero-bg-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: clamp(4rem, 12vh, 8rem) 0 clamp(3rem, 8vh, 5rem);
  max-width: 42rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 5rem);
}

.slogan-en {
  margin-top: 0.9rem;
  font-size: clamp(1.15rem, 2.5vw, 1.6rem);
}

.hero .lede {
  margin-top: 1.35rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .hero-canvas {
    display: none;
  }
}

/* ② Sectors — product cards (Ineo-like hierarchy; 5 products wrap 3+2) */
.sectors {
  padding: clamp(3.5rem, 8vh, 5.5rem) 0 clamp(4rem, 9vh, 6rem);
  background: var(--bg);
  border-top: 1px solid var(--line);
  min-height: auto;
  display: block;
}

.sectors-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.sectors-head .display {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin-bottom: 0.65rem;
}

.sectors-head .lede {
  margin: 0;
  max-width: 42rem;
}

.sectors-all {
  flex-shrink: 0;
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  align-items: stretch;
}

.sector-card {
  display: flex;
  flex-direction: column;
  min-height: 620px;
  padding: 1.5rem 1.25rem 1.15rem;
  border-radius: 18px;
  background: #eef3fb;
  border: 1px solid rgba(30, 111, 242, 0.1);
  box-shadow: none;
}

.sector-card-top .eyebrow {
  margin-bottom: 0.55rem;
}

.sector-card-top .display {
  font-size: clamp(1.55rem, 2.4vw, 2.05rem);
  margin-bottom: 0.65rem;
  color: var(--brand-ink);
}

.sector-desc {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.sector-cover {
  flex: 1;
  margin: 1.25rem 0 1.1rem;
  min-height: 260px;
  display: flex;
  align-items: stretch;
  border-radius: 14px;
  overflow: hidden;
}

.sector-cover > * {
  width: 100%;
  border: 0;
  box-shadow: none;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.sector-cta {
  width: auto;
  align-self: flex-start;
  justify-content: flex-start;
  background: #fff;
  color: var(--brand-ink);
  border-color: rgba(20, 24, 32, 0.08);
  border-radius: 999px;
  padding-inline: 1.1rem;
  min-height: 40px;
}

.sector-cta:hover {
  background: var(--brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 10px 28px rgba(30, 111, 242, 0.22);
}

.btn-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}

.glass-card-compact {
  padding: 1.1rem;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.glass-card-compact .wave {
  flex: 1;
  min-height: 100px;
}

.glass-card-compact .ai-chip {
  margin-top: auto;
}

.employee-stage-compact {
  min-height: 100%;
  padding: 0.95rem;
}

.employee-stage.employee-stage-compact {
  min-height: 0;
}

.employee-stage-compact .emp-title-row h4 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1rem;
}

.finance-stage-compact {
  min-height: 100%;
  padding: 0.85rem 0.7rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.finance-stage.finance-stage-compact {
  min-height: 0;
}

.finance-stage-compact .finance-sub {
  text-align: center;
  margin: 0 0 0.85rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--ink-muted);
}

/* 易审财：U 型报销闭环流程图 */
.yscai-flow {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  width: 100%;
}

.yscai-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0.2rem;
}

.yscai-row--bottom {
  direction: ltr;
}

.yscai-turn {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(16.666% - 0.4rem);
  min-height: 1.35rem;
  align-items: center;
}

.yscai-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
  padding: 0.45rem 0.25rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.yscai-node strong {
  font-size: 0.72rem;
  font-weight: 560;
  line-height: 1.35;
  color: var(--ink-muted);
  transition: color 0.35s var(--ease);
}

.yscai-node.is-active {
  background: rgba(30, 111, 242, 0.1);
  border-color: rgba(30, 111, 242, 0.28);
  box-shadow: 0 6px 16px rgba(30, 111, 242, 0.1);
}

.yscai-node.is-active strong {
  color: var(--brand-ink);
}

.yscai-node.is-done strong {
  color: var(--ink);
}

.yscai-ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(30, 111, 242, 0.07);
  border: 1px solid rgba(30, 111, 242, 0.16);
  position: relative;
}

.yscai-node.is-active .yscai-ico {
  background: rgba(30, 111, 242, 0.16);
  border-color: rgba(30, 111, 242, 0.4);
}

.yscai-ico::before,
.yscai-ico::after {
  content: "";
  position: absolute;
}

.yscai-ico--ding::before {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--brand);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.yscai-ico--doc::before {
  inset: 8px 10px;
  border-radius: 2px;
  background: #fff;
  border: 1px solid rgba(30, 111, 242, 0.3);
}

.yscai-ico--doc::after {
  width: 10px;
  height: 2px;
  background: var(--brand-soft);
  top: 13px;
  left: 12px;
  box-shadow: 0 4px 0 var(--brand-soft);
}

.yscai-ico--auto::before {
  width: 12px;
  height: 12px;
  border: 2px solid var(--brand);
  border-top-color: transparent;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: yscai-spin 1.4s linear infinite;
}

.yscai-ico--person::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.yscai-ico--person::after {
  width: 14px;
  height: 8px;
  border-radius: 7px 7px 3px 3px;
  background: var(--brand-soft);
  bottom: 7px;
  left: 50%;
  transform: translateX(-50%);
}

.yscai-ico--result::before {
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--brand-deep);
  border-bottom: 2px solid var(--brand-deep);
  top: 12px;
  left: 11px;
  transform: rotate(-45deg);
}

.yscai-ico--result::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid rgba(220, 38, 38, 0.55);
  top: 11px;
  right: 7px;
}

.yscai-ico--store::before {
  width: 16px;
  height: 12px;
  border-radius: 2px;
  border: 1.5px solid var(--brand);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -42%);
}

.yscai-ico--store::after {
  width: 8px;
  height: 2px;
  background: var(--brand);
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 4px 0 var(--brand-soft);
}

.yscai-arrow {
  display: block;
  position: relative;
  flex-shrink: 0;
}

.yscai-arrow--right,
.yscai-arrow--left {
  width: 14px;
  height: 2px;
  background: linear-gradient(90deg, rgba(30, 111, 242, 0.2), rgba(30, 111, 242, 0.7));
  margin: 0 auto;
}

.yscai-arrow--right::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid var(--brand);
}

.yscai-arrow--left {
  background: linear-gradient(270deg, rgba(30, 111, 242, 0.2), rgba(30, 111, 242, 0.7));
}

.yscai-arrow--left::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  transform: translateY(-50%);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-right: 5px solid var(--brand);
}

.yscai-arrow--down {
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, rgba(30, 111, 242, 0.2), rgba(30, 111, 242, 0.7));
}

.yscai-arrow--down::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  transform: translateX(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--brand);
}

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

/* AI听记 glass + wave (inspired by 聆犀会议 showcase) */
.glass-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.rec-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
  font-size: 0.92rem;
  color: var(--ink);
}

.rec-left {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
}

.rec-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.18);
  animation: asr-pulse 1.6s ease infinite;
}

.rec-time {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.wave {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 64px;
  margin: 0.85rem 0 1.25rem;
}

.wave span {
  flex: 1 1 0%;
  background: var(--grad);
  border-radius: 4px;
  animation: asr-bounce 1.3s ease-in-out infinite;
  opacity: 0.85;
  transform-origin: center bottom;
  min-width: 3px;
}

@keyframes asr-bounce {
  0%,
  100% {
    transform: scaleY(0.35);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes asr-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.18);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0.08);
  }
}

.turn {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px dashed var(--line);
}

.turn .who {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--brand);
  height: fit-content;
  white-space: nowrap;
}

.turn .who.spk2 {
  background: var(--accent-olive);
}

.turn p {
  margin: 0;
  font-size: 14px;
  color: #3a4450;
}

.ai-chip {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  background: rgba(30, 111, 242, 0.08);
  border: 1px solid rgba(30, 111, 242, 0.16);
  padding: 8px 14px;
  border-radius: 12px;
}

/* 数字员工 */
.employee-stage {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  padding: 1.25rem 1.25rem 1rem;
  overflow: hidden;
  min-height: 420px;
}

.emp-aura {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -40px;
  top: -50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 111, 242, 0.18), transparent 68%);
  animation: emp-glow 4.5s ease-in-out infinite;
  pointer-events: none;
}

.emp-nodes span {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  opacity: 0.45;
  animation: emp-float 5s var(--ease) infinite;
}

.emp-nodes span:nth-child(1) {
  left: 12%;
  top: 28%;
  animation-delay: 0s;
}
.emp-nodes span:nth-child(2) {
  left: 22%;
  top: 62%;
  background: var(--accent-mustard);
  animation-delay: 0.8s;
}
.emp-nodes span:nth-child(3) {
  right: 18%;
  top: 36%;
  background: var(--accent-olive);
  animation-delay: 1.4s;
}
.emp-nodes span:nth-child(4) {
  right: 28%;
  bottom: 18%;
  animation-delay: 2s;
}

@keyframes emp-glow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

@keyframes emp-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.emp-title-row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.emp-title-row h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.35rem;
}

.emp-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--accent-olive);
  font-family: "JetBrains Mono", monospace;
}

.emp-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
  animation: asr-pulse 1.8s ease infinite;
}

.emp-carousel {
  position: relative;
  z-index: 1;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f4f6f9;
}

.emp-track {
  display: flex;
  width: 300%;
  transition: transform 0.65s var(--ease);
}

.emp-track img {
  width: 33.333%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
}

.emp-dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 0 0.15rem;
}

.emp-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(20, 24, 32, 0.18);
  cursor: pointer;
}

.emp-dots button.is-active {
  width: 22px;
  background: var(--brand);
}

/* AI 互动课堂 — GIF 轮播 */
.edu-stage {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 0.85rem;
}

.edu-carousel {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f4f6f9;
}

.edu-track {
  display: flex;
  width: 400%;
  transition: transform 0.65s var(--ease);
}

.edu-slide {
  width: 25%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.edu-slide img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  display: block;
  background: #e8eef8;
}

.edu-slide figcaption {
  padding: 0.55rem 0.75rem 0.15rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.02em;
}

.edu-dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0 0.75rem;
}

.edu-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(20, 24, 32, 0.18);
  cursor: pointer;
}

.edu-dots button.is-active {
  width: 22px;
  background: var(--brand);
}

/* AIFlow — 工作流智能体动效 */
.aiflow-stage {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding: 1rem 1.1rem 1.15rem;
  position: relative;
}

.aiflow-sub {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.aiflow-pipeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 0.15rem;
}

.af-node {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 0.7rem;
  padding: 0.45rem 0.65rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.af-node strong {
  font-size: 0.9rem;
  font-weight: 560;
  color: var(--ink-muted);
  transition: color 0.35s var(--ease);
}

.af-node.is-active {
  background: rgba(30, 111, 242, 0.08);
  border-color: rgba(30, 111, 242, 0.22);
  box-shadow: 0 6px 18px rgba(30, 111, 242, 0.08);
}

.af-node.is-active strong {
  color: var(--brand-ink);
}

.af-node.is-done strong {
  color: var(--ink);
}

.af-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(30, 111, 242, 0.07);
  border: 1px solid rgba(30, 111, 242, 0.14);
  position: relative;
}

.af-icon::before,
.af-icon::after {
  content: "";
  position: absolute;
}

.af-icon-user::before {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.af-icon-user::after {
  width: 16px;
  height: 9px;
  border-radius: 8px 8px 4px 4px;
  background: var(--brand-soft);
  bottom: 7px;
  left: 50%;
  transform: translateX(-50%);
}

.af-icon-kb::before {
  inset: 9px 8px 9px 8px;
  border-radius: 3px;
  background: linear-gradient(180deg, #fff, #dbe7fb);
  border: 1px solid rgba(30, 111, 242, 0.25);
  box-shadow: 3px 2px 0 rgba(30, 111, 242, 0.12);
}

.af-icon-sys::before {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 2px solid var(--brand);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.af-icon-sys::after {
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--brand-deep);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.af-icon-report::before {
  inset: 8px 10px 8px 10px;
  border-radius: 2px;
  background: #fff;
  border: 1px solid rgba(30, 111, 242, 0.28);
}

.af-icon-report::after {
  width: 12px;
  height: 2px;
  background: var(--brand);
  top: 14px;
  left: 12px;
  box-shadow: 0 5px 0 var(--brand-soft), 0 10px 0 rgba(30, 111, 242, 0.35);
}

.af-edge {
  width: 2px;
  height: 14px;
  margin: 0 0 0 17px;
  background: linear-gradient(180deg, rgba(30, 111, 242, 0.15), rgba(30, 111, 242, 0.45));
  position: relative;
  border-radius: 2px;
}

.af-edge i {
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid rgba(30, 111, 242, 0.45);
  transform: translateX(-50%);
}

.af-packet {
  position: absolute;
  left: 14px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 12px rgba(30, 111, 242, 0.65);
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition: top 0.55s var(--ease), opacity 0.25s ease;
}

.af-node.is-active .af-icon {
  background: rgba(30, 111, 242, 0.14);
  border-color: rgba(30, 111, 242, 0.35);
}

/* 易审财 */
.finance-stage {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  padding: 1.75rem 1.5rem 1.5rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.finance-stage::before {
  content: "";
  position: absolute;
  inset: auto -20% -30% 40%;
  height: 55%;
  background: radial-gradient(circle, rgba(196, 160, 53, 0.16), transparent 70%);
  pointer-events: none;
}

.finance-name {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.8rem;
  position: relative;
}

.finance-sub {
  margin: 0.35rem 0 1.75rem;
  color: var(--ink-muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  position: relative;
}

.finance-pipeline {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.5rem;
  align-items: center;
  position: relative;
}

.fin-step {
  text-align: center;
  display: grid;
  gap: 0.45rem;
  justify-items: center;
}

.fin-step strong {
  font-size: 0.95rem;
}

.fin-step small {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.fin-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(30, 111, 242, 0.06);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.fin-scan .doc {
  position: absolute;
  inset: 14px 16px 12px;
  border-radius: 4px;
  background: linear-gradient(180deg, #fff, #e8eef8);
  border: 1px solid rgba(30, 111, 242, 0.2);
}

.scan-line {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--brand);
  top: 18%;
  z-index: 1;
  box-shadow: 0 0 10px rgba(30, 111, 242, 0.55);
  animation: scan-move 2.2s ease-in-out infinite;
}

@keyframes scan-move {
  0%,
  100% {
    top: 22%;
  }
  50% {
    top: 72%;
  }
}

.fin-check .ring {
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  border: 2px solid rgba(95, 107, 58, 0.35);
}

.fin-check .tick {
  position: absolute;
  left: 24px;
  top: 28px;
  width: 16px;
  height: 9px;
  border-left: 2.5px solid var(--accent-olive);
  border-bottom: 2.5px solid var(--accent-olive);
  transform: rotate(-45deg);
  animation: tick-pop 1.8s var(--ease) infinite;
}

@keyframes tick-pop {
  0%,
  100% {
    opacity: 0.45;
    transform: rotate(-45deg) scale(0.9);
  }
  40%,
  60% {
    opacity: 1;
    transform: rotate(-45deg) scale(1);
  }
}

.fin-book .sheet {
  position: absolute;
  inset: 14px 16px 12px;
  border-radius: 4px;
  background: #fff;
  border: 1px solid rgba(196, 160, 53, 0.35);
  box-shadow: 3px 3px 0 rgba(196, 160, 53, 0.2);
}

.fin-book .pulse {
  position: absolute;
  right: 10px;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-mustard);
  animation: asr-pulse 1.5s ease infinite;
}

.fin-arrow {
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  position: relative;
}

.fin-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  border: 4px solid transparent;
  border-left-color: var(--brand);
}

.finance-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
  position: relative;
}

.finance-chips span {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(20, 24, 32, 0.04);
  border: 1px solid var(--line);
  color: var(--ink-muted);
}

/* ③ Expertise scroll panels — full-bleed stacked bars */
.expertise {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-top: clamp(3.5rem, 8vh, 5rem);
}

.expertise-intro {
  margin-bottom: 1.75rem;
  max-width: 42rem;
}

.expertise-intro .display {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  margin-bottom: 0.75rem;
}

.xp-panels {
  overflow: hidden;
}

.xp-panel {
  --scroll-progress: 0;
  --color: #ffffff;
  position: relative;
  z-index: 1;
  transform-origin: center bottom;
  background-color: var(--color);
  transition: background-color 1s var(--ease);
  width: 100%;
}

.xp-panel-inner {
  position: relative;
  z-index: 1;
  min-height: 26rem;
  padding: clamp(2.25rem, 5.5vh, 3.5rem) 0;
  border-top: 1px solid rgba(20, 24, 32, 0.06);
}

.xp-copy {
  max-width: 48rem;
}

.xp-copy .display {
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  margin-bottom: 1rem;
  color: var(--brand-ink);
}

.xp-copy > p {
  margin: 0 0 1rem;
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.xp-label {
  margin: 1.15rem 0 0.55rem !important;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem !important;
  letter-spacing: 0.04em;
  color: var(--brand-deep) !important;
}

.xp-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  display: grid;
  gap: 0.45rem;
}

.xp-list strong {
  color: var(--ink);
  font-weight: 600;
}

.xp-cases {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.95rem;
}

.xp-cases li {
  color: var(--ink-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  padding-left: 0.95rem;
  border-left: 2px solid rgba(30, 111, 242, 0.35);
}

.xp-cases strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.2rem;
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
}

.xp-schools {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.xp-schools li {
  font-size: 0.88rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(20, 24, 32, 0.08);
  color: var(--ink);
}

@media (min-width: 1025px) {
  .xp-panel {
    opacity: calc(1 - var(--scroll-progress));
    transform: translateY(calc(100% * var(--scroll-progress)));
  }
}

@media (max-width: 1024px) {
  .xp-copy {
    opacity: calc(1 - var(--scroll-progress) * 0.55);
  }

  .xp-panel-inner {
    min-height: 0;
  }
}

.about-strip {
  padding: clamp(3.5rem, 8vh, 5rem) 0;
  background: var(--bg-warm);
  border-top: 1px solid var(--line);
}

.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: end;
}

.about-inner .display {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.85rem;
}

.about-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.about-stats li {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.about-stats strong {
  font-family: "JetBrains Mono", monospace;
  color: var(--brand-deep);
  min-width: 3.2rem;
}

.about-stats span {
  color: var(--ink-muted);
}

/* Footer */
.site-footer {
  background: var(--brand-ink);
  color: rgba(255, 255, 255, 0.78);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.site-footer .brand {
  color: #fff;
}

.footer-slogan {
  margin: 1rem 0 0;
  max-width: 28rem;
}

.footer-slogan .display-en {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
}

.site-footer h3 {
  margin: 0 0 0.85rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
}

.site-footer a:hover {
  color: #fff;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.45);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .sectors {
    min-height: auto;
    align-items: stretch;
  }

  .sectors-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .sectors-grid {
    grid-template-columns: 1fr;
  }

  .sector-card {
    min-height: 0;
  }

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

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav {
    position: fixed;
    inset: var(--nav-h) 1rem auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(20, 24, 32, 0.1);
  }

  .nav.is-open {
    display: flex;
  }

  .nav-menu {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .nav-item,
  .nav .btn {
    width: 100%;
    padding: 0.75rem 0.85rem;
  }

  .nav-item {
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .nav-item--lined {
    border-left-color: var(--nav-line);
  }

  .nav-item--product {
    border-left-color: var(--brand-deep);
  }

  .nav-item--product::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .finance-pipeline {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .fin-arrow {
    width: 2px;
    height: 22px;
    margin: 0 auto;
    background: linear-gradient(180deg, transparent, var(--brand), transparent);
  }

  .fin-arrow::after {
    display: none;
  }

  .yscai-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .yscai-arrow--right,
  .yscai-arrow--left {
    width: 2px;
    height: 14px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(30, 111, 242, 0.2), rgba(30, 111, 242, 0.7));
  }

  .yscai-arrow--right::after,
  .yscai-arrow--left::after {
    left: 50%;
    right: auto;
    top: auto;
    bottom: -1px;
    transform: translateX(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--brand);
    border-bottom: 0;
  }

  .yscai-turn {
    justify-content: center;
    padding-right: 0;
  }

  .yscai-row--bottom {
    display: flex;
    flex-direction: column-reverse;
  }

  .yscai-row--bottom .yscai-arrow--left {
    order: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .wave span,
  .rec-dot,
  .emp-aura,
  .emp-nodes span,
  .scan-line,
  .fin-check .tick,
  .fin-book .pulse,
  .emp-live i {
    animation: none !important;
  }

  .btn:hover {
    transform: none;
  }

  .xp-panel {
    opacity: 1 !important;
    transform: none !important;
  }

  .xp-copy {
    opacity: 1 !important;
  }
}