:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #627083;
  --line: #d9e0ea;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --deep: #071b43;
  --blue: #1d5fd1;
  --cyan: #10a6b7;
  --gold: #f3b21a;
  --green: #1f9d68;
  --shadow: 0 18px 50px rgba(21, 42, 78, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  color: var(--ink);
  background: #f7f9fc;
  line-height: 1.55;
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
  padding: 0 40px;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(217, 224, 234, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--deep);
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-logo {
  display: block;
  width: 168px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #526173;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  flex: 0 0 auto;
  border-radius: 8px;
  padding: 8px 12px;
  white-space: nowrap;
}

.nav a:hover,
.nav a.active {
  color: var(--blue);
  background: #edf4ff;
}

.section,
.section-band {
  padding: 74px 56px;
  scroll-margin-top: 88px;
}

.section {
  max-width: 1280px;
  margin: 0 auto;
}

.section-band {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(244, 247, 251, 0.96)),
    radial-gradient(circle at 12% 12%, rgba(243, 178, 26, 0.18), transparent 34%),
    radial-gradient(circle at 88% 18%, rgba(29, 95, 209, 0.18), transparent 34%);
  border-bottom: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100vh - 68px);
}

.hero-copy,
.hero-visual,
.section > * {
  max-width: 1180px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  color: var(--deep);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  color: var(--deep);
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  color: var(--deep);
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  color: #445266;
  font-size: 20px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.metric {
  min-height: 106px;
  padding: 18px;
  border: 1px solid rgba(217, 224, 234, 0.95);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.metric span {
  display: block;
  color: var(--blue);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: 0;
}

.metric b {
  color: #516172;
  font-size: 14px;
}

.hero-visual,
.case-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: min(62vh, 610px);
  object-fit: contain;
  background: #f2f5f9;
}

figcaption {
  padding: 14px 18px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.section-title {
  max-width: 880px;
  margin-bottom: 42px;
}

.section-title p:last-child {
  color: var(--muted);
  font-size: 18px;
}

.case-block {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.05fr);
  gap: 34px;
  align-items: center;
  margin: 0 0 40px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 34px rgba(21, 42, 78, 0.08);
}

.case-block.image-right {
  grid-template-columns: minmax(420px, 1.05fr) minmax(360px, 0.95fr);
}

.case-media img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  background: #f3f6fa;
}

.media-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 12px;
}

.media-stack img {
  border: 1px solid #e4e9f0;
  border-radius: 6px;
  max-height: 160px;
}

.case-copy {
  min-width: 0;
}

.case-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #052a66;
  background: #f4c02f;
  font-size: 22px;
  font-weight: 900;
}

.case-copy p {
  color: #465568;
  font-size: 18px;
}

.case-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.case-kicker > span:last-child {
  color: #7a8697;
  font-size: 14px;
  font-weight: 900;
}

.case-lead {
  font-size: 19px;
}

.case-proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.case-proof-strip div {
  min-width: 0;
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.case-proof-strip b,
.case-proof-strip span {
  display: block;
}

.case-proof-strip b {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 15px;
}

.case-proof-strip span {
  color: var(--muted);
  font-size: 14px;
}

.case-feature {
  grid-template-columns: minmax(420px, 0.88fr) minmax(520px, 1.12fr);
  align-items: stretch;
  scroll-margin-top: 96px;
}

.case-evidence {
  grid-template-columns: minmax(380px, 0.9fr) minmax(460px, 1.1fr);
  scroll-margin-top: 96px;
}

.case-boundary {
  grid-template-columns: minmax(420px, 0.95fr) minmax(500px, 1.05fr);
  align-items: stretch;
  scroll-margin-top: 96px;
}

.case-feature-copy {
  align-self: center;
}

.case-evidence .case-copy {
  align-self: center;
}

.case-boundary .case-copy {
  align-self: center;
}

.gangji-shot img {
  width: 100%;
  height: 560px;
  object-fit: contain;
  background:
    linear-gradient(135deg, #eef2f7, #f8fafc);
}

.evidence-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.evidence-chain div {
  min-width: 0;
  min-height: 118px;
  padding: 16px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background:
    linear-gradient(180deg, #ffffff, #f7fbff);
}

.evidence-chain b,
.evidence-chain span {
  display: block;
}

.evidence-chain b {
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 15px;
}

.evidence-chain span {
  color: var(--muted);
  font-size: 14px;
}

.dijiu-outcome {
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 14px;
  min-width: 0;
}

.dijiu-metric,
.adoption-map > div,
.constraint-grid {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
}

.dijiu-metric {
  padding: 30px;
  background:
    linear-gradient(145deg, rgba(39, 124, 255, 0.11), rgba(31, 157, 104, 0.09)),
    #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
}

.dijiu-metric p {
  max-width: 420px;
  margin: 12px 0 0;
  color: #5d6b7c;
  font-size: 14px;
}

.adoption-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.adoption-map > div {
  min-width: 0;
  min-height: 178px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.adoption-map > div::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
}

.adoption-map .accepted::before {
  background: #1f9d68;
}

.adoption-map .not-accepted::before {
  background: #f3b21a;
}

.adoption-map b,
.adoption-map strong,
.adoption-map span {
  display: block;
}

.adoption-map b {
  margin-bottom: 10px;
  color: #6b7788;
  font-size: 13px;
  font-weight: 900;
}

.adoption-map strong {
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 23px;
  line-height: 1.2;
}

.adoption-map span {
  color: var(--muted);
  font-size: 14px;
}

.constraint-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px;
  background:
    linear-gradient(180deg, #ffffff, #f8fafc);
}

.constraint-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  color: #334155;
  background: #f8fafc;
  font-size: 13px;
  font-weight: 900;
}

.product-showcase {
  margin-top: 40px;
  padding: 34px;
  border: 1px solid rgba(34, 48, 72, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.96)),
    radial-gradient(circle at 12% 10%, rgba(255, 212, 71, 0.18), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(39, 124, 255, 0.14), transparent 30%);
  box-shadow: 0 22px 70px rgba(29, 46, 73, 0.12);
  scroll-margin-top: 96px;
}

.showcase-title {
  margin-bottom: 24px;
}

.showcase-title h2 {
  margin-bottom: 0;
}

.interaction-wall {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr 0.92fr;
  grid-auto-rows: 260px;
  gap: 14px;
}

.interaction-shot {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid #d7e1ee;
  border-radius: 8px;
  background: #0f1117;
  box-shadow: 0 18px 48px rgba(23, 32, 51, 0.14);
}

.interaction-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.interaction-shot-tall {
  grid-row: span 2;
}

.interaction-shot-wide {
  grid-column: span 2;
}

.case-feature-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.case-flow-shot {
  min-height: 0;
}

.case-flow-shot img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  object-position: top center;
}

.poster-adoption,
.decoration-compare {
  display: grid;
  min-width: 0;
  gap: 10px;
}

.poster-adoption {
  grid-template-columns: minmax(0, 1fr) 48px minmax(0, 1fr);
  align-items: stretch;
}

.poster-adoption figure,
.decoration-compare figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.expandable-shot {
  cursor: zoom-in;
}

.expandable-shot::after {
  content: "点击放大";
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  padding: 6px 9px;
  border-radius: 8px;
  color: #ffffff;
  background: rgba(15, 17, 23, 0.74);
  font-size: 12px;
  font-weight: 900;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.expandable-shot:hover::after,
.expandable-shot:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

.expandable-shot:focus-visible {
  outline: 3px solid rgba(39, 124, 255, 0.55);
  outline-offset: 3px;
}

.expandable-shot img {
  transition: transform 180ms ease, filter 180ms ease;
}

.expandable-shot:hover img,
.expandable-shot:focus-visible img {
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.015);
}

.poster-adoption img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #edf2f7;
}

.poster-adoption figcaption {
  padding: 10px 12px;
  color: #445266;
  font-size: 13px;
  font-weight: 900;
}

.adoption-arrow {
  display: grid;
  place-items: center;
  min-width: 0;
  border-radius: 8px;
  color: #0f1117;
  background: #ffd447;
  font-size: 13px;
  font-weight: 900;
  writing-mode: vertical-rl;
  letter-spacing: 0;
}

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

.decoration-compare img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #edf2f7;
}

.decoration-compare span {
  position: absolute;
  left: 10px;
  top: 10px;
  z-index: 1;
  padding: 5px 8px;
  border-radius: 8px;
  color: #ffffff;
  background: rgba(15, 17, 23, 0.72);
  font-size: 12px;
  font-weight: 900;
}

.takeaway-grid,
.component-grid,
.frontier-grid,
.human-points {
  display: grid;
  gap: 16px;
}

.takeaway-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.takeaway-grid div,
.quote-panel,
.component-grid div,
.frontier-grid article,
.human-thesis,
.human-points div,
.evidence-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.takeaway-grid div,
.quote-panel {
  padding: 18px;
}

.takeaway-grid b,
.quote-panel b,
.human-points b {
  display: block;
  margin-bottom: 8px;
  color: var(--deep);
  font-size: 15px;
}

.takeaway-grid span,
.quote-panel span,
.human-points span {
  color: var(--muted);
  font-size: 15px;
}

.evidence-panel {
  padding: 34px;
  color: var(--deep);
  background:
    linear-gradient(145deg, rgba(29, 95, 209, 0.12), rgba(16, 166, 183, 0.08)),
    #ffffff;
}

.evidence-number {
  display: block;
  color: var(--blue);
  font-size: clamp(62px, 8vw, 112px);
  font-weight: 900;
  line-height: 0.95;
}

.evidence-label {
  display: block;
  margin: 10px 0 26px;
  color: #334155;
  font-size: 20px;
  font-weight: 900;
}

.evidence-panel ul {
  margin: 0;
  padding-left: 18px;
  color: #4b5c70;
  font-size: 16px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 34px;
}

.flow-node {
  position: relative;
  min-height: 116px;
  display: grid;
  place-items: center;
  padding: 18px;
  border-radius: 8px;
  color: #0a1e44;
  background: #ffffff;
  border: 1px solid var(--line);
  text-align: center;
  font-size: 19px;
  font-weight: 900;
}

.flow-node:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--blue);
}

.flow-node span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.flow-node.start,
.flow-node.end {
  color: #ffffff;
  background: var(--deep);
  border-color: var(--deep);
}

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

.component-grid div,
.frontier-grid article {
  padding: 22px;
}

.component-grid h3,
.frontier-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.component-grid p,
.frontier-grid p {
  color: var(--muted);
  font-size: 15px;
}

.architecture-section {
  position: relative;
  overflow: hidden;
}

.architecture-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(39, 124, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39, 124, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 86%);
}

.architecture-section > * {
  position: relative;
  z-index: 1;
}

.architecture-visual {
  margin: 0 0 26px;
  overflow: hidden;
  border: 1px solid #cbd7e7;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 17, 23, 0.96), rgba(23, 32, 51, 0.9)),
    #10131b;
  box-shadow: 0 26px 80px rgba(23, 32, 51, 0.18);
}

.architecture-visual img {
  width: 100%;
  max-height: min(62vh, 680px);
  object-fit: contain;
  background: #10131b;
}

.architecture-visual figcaption {
  color: #d7e0ee;
  background: rgba(10, 14, 24, 0.92);
  border-top-color: rgba(255, 255, 255, 0.12);
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 20px;
}

.architecture-step {
  position: relative;
  min-height: 176px;
  padding: 18px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 46px rgba(23, 32, 51, 0.08);
}

.architecture-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 44px;
  width: 10px;
  height: 2px;
  background: linear-gradient(90deg, #277cff, #1ea672);
}

.architecture-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 28px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #10131b;
  background: #ffd447;
  font-size: 12px;
  font-weight: 900;
}

.architecture-step b {
  display: block;
  min-height: 54px;
  color: #10131b;
  font-size: 18px;
  line-height: 1.22;
}

.architecture-step p {
  margin: 12px 0 0;
  color: #59687c;
  font-size: 14px;
  line-height: 1.52;
}

.architecture-step.start,
.architecture-step.end {
  border-color: rgba(16, 19, 27, 0.9);
  background: #10131b;
}

.architecture-step.start b,
.architecture-step.end b {
  color: #ffffff;
}

.architecture-step.start p,
.architecture-step.end p {
  color: #cbd5e1;
}

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

.architecture-pillars article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(23, 32, 51, 0.08);
}

.architecture-pillars span {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 5px 9px;
  border-radius: 8px;
  color: #0f4bb1;
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 900;
}

.architecture-pillars h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.architecture-pillars p {
  margin: 0;
  color: #526173;
  font-size: 16px;
}

.llm-section {
  max-width: 1320px;
}

.section-kicker {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border: 1px solid rgba(39, 124, 255, 0.18);
  border-radius: 8px;
  color: #0f4bb1;
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 900;
}

.llm-feature,
.llm-panel {
  margin: 0 0 34px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 22px 70px rgba(23, 32, 51, 0.1);
  scroll-margin-top: 92px;
}

.llm-feature {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(520px, 1.14fr);
  gap: 28px;
  align-items: center;
  padding: 30px;
}

.llm-copy h3,
.llm-panel-head h3 {
  margin-bottom: 12px;
  font-size: clamp(26px, 2.4vw, 38px);
  text-wrap: balance;
}

.llm-copy p,
.llm-panel-head p {
  color: #445266;
  font-size: 18px;
}

.llm-training-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.llm-training-points div {
  min-height: 116px;
  padding: 16px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #f8fafc;
}

.llm-training-points b,
.llm-training-points span {
  display: block;
}

.llm-training-points b {
  margin-bottom: 8px;
  color: #10131b;
  font-size: 18px;
}

.llm-training-points span {
  color: #5d6b7f;
  font-size: 14px;
}

.llm-visual-grid {
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: 12px;
}

.llm-visual-single {
  grid-template-rows: 1fr;
}

.llm-visual-triple {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto auto;
}

.llm-visual-triple .llm-shot-primary {
  grid-column: 1 / -1;
}

.llm-shot,
.llm-best-try-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid #d1dbea;
  border-radius: 8px;
  background: #f5f8fc;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.llm-shot img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  background: #f7faff;
}

.llm-shot-primary img {
  height: 310px;
}

.llm-panel {
  padding: 30px;
}

.llm-panel-head {
  max-width: 960px;
  margin-bottom: 24px;
}

.cost-layout {
  display: grid;
  grid-template-columns: minmax(560px, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  align-items: stretch;
}

.cost-bucket-chart {
  grid-column: 1 / -1;
  margin: 0;
  overflow: hidden;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.cost-bucket-chart img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background: #ffffff;
}

.cost-table-wrap {
  overflow-x: auto;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
}

.cost-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 0;
  table-layout: fixed;
}

.cost-table th,
.cost-table td {
  padding: 15px 16px;
  border-bottom: 1px solid #e3eaf4;
  text-align: left;
  vertical-align: top;
}

.cost-table th {
  color: #10131b;
  background: #eef4fb;
  font-size: 14px;
  font-weight: 900;
}

.cost-table th:nth-child(1),
.cost-table td:nth-child(1) {
  width: 39%;
}

.cost-table th:nth-child(2),
.cost-table td:nth-child(2) {
  width: 32%;
}

.cost-table th:nth-child(3),
.cost-table td:nth-child(3) {
  width: 29%;
}

.cost-table td {
  color: #46566a;
  font-size: 15px;
  overflow-wrap: anywhere;
}

.cost-table td:nth-child(2) {
  color: #0f4bb1;
  font-size: 18px;
  font-weight: 900;
}

.cost-table tbody tr:last-child td {
  border-bottom: 0;
}

.cost-metrics {
  display: grid;
  gap: 12px;
}

.cost-metrics div {
  padding: 20px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background:
    linear-gradient(135deg, #f7fbff, #eef6f5);
}

.cost-metrics span,
.best-try-facts span {
  display: block;
  margin-bottom: 8px;
  color: #277cff;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.cost-metrics b,
.best-try-facts b {
  display: block;
  color: #10131b;
  font-size: 15px;
}

.cost-metrics p {
  margin: 8px 0 0;
  color: #637185;
  font-size: 14px;
}

.llm-best-try {
  grid-template-columns: minmax(380px, 0.88fr) minmax(560px, 1.12fr);
  background:
    radial-gradient(circle at 2% 2%, rgba(255, 212, 71, 0.18), transparent 34%),
    #ffffff;
}

.llm-best-try-page {
  align-items: start;
}

.best-try-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0 20px;
}

.best-try-facts div {
  min-height: 98px;
  padding: 16px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #f8fafc;
}

.llm-quote {
  margin: 0;
  padding: 18px;
  border-left: 5px solid #ffd447;
  border-radius: 8px;
  color: #10131b;
  background: #fff8df;
  font-weight: 900;
}

.llm-best-try-visual img {
  width: 100%;
  height: 430px;
  object-fit: contain;
  background: #10131b;
}

.trace-compact {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 253, 0.98));
}

.trace-compact-head {
  display: grid;
  grid-template-columns: auto minmax(0, 0.8fr) minmax(360px, 1.2fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.trace-compact-head span {
  padding: 5px 9px;
  border-radius: 8px;
  color: #0f4bb1;
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 900;
}

.trace-compact-head b {
  color: #10131b;
  font-size: 18px;
}

.trace-compact-head p {
  margin: 0;
  color: #5d6b7f;
  font-size: 14px;
}

.trace-compact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
  gap: 12px;
}

.trace-stage {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
}

.trace-stage h4 {
  margin: 0 0 2px;
  color: #10131b;
  font-size: 16px;
}

.trace-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) minmax(150px, 0.75fr);
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid #e3eaf4;
  border-radius: 8px;
  background: #f8fafc;
}

.trace-row span {
  display: inline-flex;
  justify-content: center;
  padding: 4px 6px;
  border-radius: 8px;
  color: #334155;
  background: #e9eef6;
  font-size: 12px;
  font-weight: 900;
}

.trace-row b {
  min-width: 0;
  color: #10131b;
  font-size: 14px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.trace-row em {
  min-width: 0;
  color: #64748b;
  font-size: 13px;
  font-style: normal;
  overflow-wrap: anywhere;
}

.trace-row.warn {
  border-color: #ffe08a;
  background: #fff8df;
}

.trace-row.risk {
  border-color: #ffc6ce;
  background: #fff1f3;
}

.trace-row.pivot {
  border-color: #b9cff7;
  background: #edf4ff;
}

.trace-row.success {
  border-color: #10131b;
  background: #10131b;
}

.trace-row.success span {
  color: #10131b;
  background: #ffd447;
}

.trace-row.success b,
.trace-row.success em {
  color: #ffffff;
}

.trace-behavior-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.trace-behavior-row span {
  padding: 10px 12px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  color: #10131b;
  background: #ffffff;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.harness-section {
  background:
    radial-gradient(circle at 12% 12%, rgba(12, 91, 222, 0.12), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 52%, #f4f7fb 100%);
}

.harness-hero {
  display: grid;
  grid-template-columns: minmax(620px, 1.55fr) minmax(340px, 0.75fr);
  gap: 26px;
  align-items: stretch;
}

.harness-loop-visual,
.harness-loop-card,
.harness-guardrails article,
.harness-contrast,
.harness-slogan {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 45px rgba(21, 42, 78, 0.08);
}

.harness-loop-visual {
  overflow: hidden;
  min-height: 520px;
  margin: 0;
}

.harness-loop-visual img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: contain;
  background: #10131b;
}

.harness-loop-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
}

.harness-loop-card h3 {
  margin: 12px 0 14px;
  color: #10131b;
  font-size: 28px;
  line-height: 1.14;
}

.harness-loop-card p {
  margin: 0;
  color: #4b5b70;
  font-size: 16px;
  line-height: 1.72;
}

.loop-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.loop-steps span {
  position: relative;
  padding: 12px 12px 12px 34px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  color: #10131b;
  background: #f8fafc;
  font-weight: 900;
}

.loop-steps span::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  transform: translateY(-50%);
}

.harness-guardrails {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.harness-guardrails article {
  padding: 22px;
}

.harness-guardrails span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 13px;
  font-weight: 900;
}

.harness-guardrails h3 {
  margin: 18px 0 10px;
  color: #10131b;
  font-size: 21px;
}

.harness-guardrails p {
  margin: 0;
  color: #58687d;
  font-size: 15px;
  line-height: 1.65;
}

.harness-contrast {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 18px;
  padding: 0;
  background: #dbe3ee;
}

.harness-contrast div {
  padding: 22px 24px;
  background: #ffffff;
}

.harness-contrast div:nth-child(2) {
  background:
    linear-gradient(135deg, rgba(12, 91, 222, 0.1), rgba(255, 212, 71, 0.14)),
    #ffffff;
}

.harness-contrast b {
  display: block;
  margin-bottom: 8px;
  color: #10131b;
  font-size: 20px;
}

.harness-contrast p {
  margin: 0;
  color: #53657b;
  font-size: 16px;
  line-height: 1.65;
}

.harness-slogan {
  margin: 18px 0 0;
  padding: 20px 24px;
  color: #10131b;
  background: #ffd447;
  font-size: 24px;
  font-weight: 950;
  text-align: center;
}

.evaluation-section {
  background:
    radial-gradient(circle at 82% 18%, rgba(94, 234, 212, 0.16), transparent 28%),
    linear-gradient(180deg, #0b1020 0%, #101827 58%, #f4f7fb 58%, #f8fafc 100%);
}

.evaluation-section .section-title {
  color: #ffffff;
}

.evaluation-section .section-title h2 {
  color: #ffffff;
}

.evaluation-section .section-title p {
  color: rgba(237, 242, 255, 0.78);
}

.evaluation-layout {
  display: grid;
  grid-template-columns: minmax(620px, 1.48fr) minmax(340px, 0.82fr);
  gap: 24px;
  align-items: stretch;
}

.evaluation-visual,
.evaluation-core,
.evaluation-risk-grid article {
  border: 1px solid rgba(219, 227, 238, 0.26);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(7, 14, 31, 0.18);
}

.evaluation-visual {
  overflow: hidden;
  min-height: 510px;
  margin: 0;
  background: #0b1020;
}

.evaluation-visual img {
  width: 100%;
  height: 100%;
  min-height: 510px;
  object-fit: contain;
  background: #0b1020;
}

.evaluation-core {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  background: rgba(255, 255, 255, 0.94);
}

.evaluation-core h3 {
  margin: 12px 0 14px;
  color: #10131b;
  font-size: 30px;
  line-height: 1.15;
}

.evaluation-core p {
  margin: 0;
  color: #4d5e73;
  font-size: 17px;
  line-height: 1.72;
}

.quality-loop {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.quality-loop div {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #f8fafc;
}

.quality-loop span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 12px;
  font-weight: 900;
}

.quality-loop b {
  color: #10131b;
  font-size: 16px;
}

.quality-loop em {
  color: #617287;
  font-size: 13px;
  font-style: normal;
  text-align: right;
}

.evaluation-demo-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 20px;
}

.evaluation-demo-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 15px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  color: #10131b;
  background:
    linear-gradient(135deg, rgba(12, 91, 222, 0.08), rgba(94, 234, 212, 0.1)),
    #ffffff;
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
}

.evaluation-demo-links a::after {
  content: "打开";
  flex: 0 0 auto;
  margin-left: 12px;
  padding: 5px 9px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 12px;
  font-weight: 900;
}

.evaluation-demo-links a:hover {
  border-color: rgba(12, 91, 222, 0.42);
  transform: translateY(-1px);
}

.evaluation-risk-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.evaluation-risk-grid article {
  padding: 18px;
  background: rgba(255, 255, 255, 0.96);
}

.evaluation-risk-grid b {
  display: block;
  margin-bottom: 9px;
  color: #10131b;
  font-size: 17px;
}

.evaluation-risk-grid p {
  margin: 0;
  color: #5b6b80;
  font-size: 14px;
  line-height: 1.6;
}

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

.frontier-grid article {
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(21, 42, 78, 0.07);
}

.frontier-grid b {
  color: var(--deep);
}

.memory-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(39, 124, 255, 0.15), transparent 30%),
    radial-gradient(circle at 88% 16%, rgba(255, 212, 71, 0.2), transparent 24%),
    linear-gradient(180deg, #f8fafc 0%, #eef4fb 50%, #ffffff 100%);
}

.memory-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(620px, 1.14fr);
  gap: 24px;
  align-items: stretch;
}

.memory-thesis,
.memory-visual,
.memory-routes article {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(21, 42, 78, 0.08);
}

.memory-thesis {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  background: #10131b;
}

.memory-thesis h3 {
  margin: 12px 0 16px;
  color: #ffffff;
  font-size: 35px;
  line-height: 1.13;
}

.memory-thesis p {
  margin: 0;
  color: rgba(237, 242, 255, 0.78);
  font-size: 17px;
  line-height: 1.75;
}

.memory-thesis blockquote {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid #ffd447;
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 24px;
  font-weight: 950;
  line-height: 1.28;
}

.memory-impact {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.memory-impact b {
  display: block;
  margin-bottom: 8px;
  color: #ffd447;
  font-size: 16px;
}

.memory-impact p {
  color: rgba(237, 242, 255, 0.82);
  font-size: 15px;
}

.memory-visuals {
  display: grid;
  grid-template-rows: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 16px;
  min-height: 640px;
}

.memory-visual {
  overflow: hidden;
  margin: 0;
  background: #ffffff;
}

.memory-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #ffffff;
}

.memory-visual-primary img {
  background: #f8fafc;
}

.memory-routes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.memory-routes article {
  padding: 22px;
  background: rgba(255, 255, 255, 0.95);
}

.memory-routes span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #10131b;
  background: #ffd447;
  font-size: 13px;
  font-weight: 950;
}

.memory-routes h3 {
  margin: 16px 0 12px;
  color: #10131b;
  font-size: 22px;
}

.memory-routes p {
  margin: 0;
  color: #5b6b80;
  font-size: 15px;
  line-height: 1.65;
}

.memory-routes p + p {
  margin-top: 10px;
}

.memory-routes b {
  color: #0f4bb1;
}

.unified-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 18%, rgba(94, 234, 212, 0.16), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(39, 124, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #0b1020 0%, #111827 46%, #f5f8fc 46%, #ffffff 100%);
}

.unified-section .section-title,
.unified-section .section-title h2 {
  color: #ffffff;
}

.unified-section .section-title p {
  color: rgba(237, 242, 255, 0.78);
}

.unified-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.8fr) minmax(640px, 1.2fr);
  gap: 24px;
  align-items: stretch;
}

.unified-thesis,
.unified-diagram,
.generation-shift article,
.unified-demo-links a {
  border: 1px solid rgba(219, 227, 238, 0.28);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(7, 14, 31, 0.16);
}

.unified-thesis {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  background: rgba(255, 255, 255, 0.95);
}

.unified-thesis h3 {
  margin: 12px 0 14px;
  color: #10131b;
  font-size: 34px;
  line-height: 1.12;
}

.unified-thesis p {
  margin: 0;
  color: #516277;
  font-size: 17px;
  line-height: 1.72;
}

.unified-impact {
  margin-top: 24px;
  padding: 18px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
}

.unified-impact b {
  display: block;
  margin-bottom: 8px;
  color: #ffd447;
  font-size: 16px;
}

.unified-impact p {
  color: rgba(237, 242, 255, 0.82);
  font-size: 15px;
}

.unified-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
  gap: 0;
  min-height: 460px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(247, 250, 253, 0.96)),
    #ffffff;
}

.unified-lane {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 26px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
}

.unified-lane span,
.generation-shift span {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 8px;
  color: #0f4bb1;
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 950;
}

.unified-lane b {
  margin: 18px 0;
  color: #10131b;
  font-size: 28px;
  line-height: 1.16;
}

.unified-lane p {
  margin: 18px 0 0;
  color: #5d6b7f;
  font-size: 15px;
  line-height: 1.6;
}

.unified-chip-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.unified-chip-row em,
.unified-stack em {
  display: grid;
  place-items: center;
  min-height: 58px;
  padding: 10px;
  border-radius: 8px;
  color: #10131b;
  background: #ffd447;
  font-style: normal;
  font-weight: 950;
  text-align: center;
}

.unified-stack {
  display: grid;
  gap: 8px;
}

.unified-stack em {
  color: #ffffff;
  background: #10131b;
}

.unified-arrow {
  display: grid;
  place-items: center;
  color: #277cff;
  font-size: 44px;
  font-weight: 950;
}

.generation-shift {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.generation-shift article {
  padding: 22px;
  background: rgba(255, 255, 255, 0.96);
}

.generation-shift .generation-shift-focus {
  color: #ffffff;
  background: #10131b;
}

.generation-shift h3 {
  margin: 16px 0 10px;
  color: #10131b;
  font-size: 22px;
  line-height: 1.2;
}

.generation-shift p {
  margin: 0;
  color: #5b6b80;
  font-size: 15px;
  line-height: 1.65;
}

.generation-shift-focus h3 {
  color: #ffffff;
}

.generation-shift-focus p {
  color: rgba(237, 242, 255, 0.82);
}

.generation-shift-focus span {
  color: #10131b;
  background: #ffd447;
}

.unified-demo-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.unified-demo-links a {
  display: grid;
  gap: 8px;
  min-height: 118px;
  padding: 20px;
  color: #10131b;
  background:
    linear-gradient(135deg, rgba(12, 91, 222, 0.08), rgba(94, 234, 212, 0.12)),
    #ffffff;
  text-decoration: none;
}

.unified-demo-links a::after {
  content: "打开演示";
  width: fit-content;
  margin-top: 4px;
  padding: 6px 10px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 12px;
  font-weight: 950;
}

.unified-demo-links b {
  font-size: 18px;
}

.unified-demo-links span {
  color: #5a6b80;
  font-size: 14px;
  line-height: 1.5;
}

.unified-demo-links a:hover {
  transform: translateY(-1px);
}

.self-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 212, 71, 0.22), transparent 24%),
    radial-gradient(circle at 84% 8%, rgba(39, 124, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f5f8fc 48%, #10131b 48%, #0b1020 100%);
}

.self-loop-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(640px, 1.18fr);
  gap: 24px;
  align-items: stretch;
}

.self-thesis,
.self-timeline,
.self-evidence-grid article,
.self-agent-loop {
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(21, 42, 78, 0.08);
}

.self-thesis {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  color: #ffffff;
  background: #10131b;
}

.self-thesis h3 {
  margin: 12px 0 16px;
  color: #ffffff;
  font-size: 35px;
  line-height: 1.12;
}

.self-thesis p {
  margin: 0;
  color: rgba(237, 242, 255, 0.78);
  font-size: 17px;
  line-height: 1.76;
}

.self-thesis a {
  width: fit-content;
  margin-top: 24px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #10131b;
  background: #ffd447;
  font-size: 14px;
  font-weight: 950;
  text-decoration: none;
}

.self-timeline {
  display: grid;
  gap: 10px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
}

.self-timeline div {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) minmax(160px, 0.7fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #f8fafc;
}

.self-timeline span {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 12px;
  font-weight: 950;
}

.self-timeline b {
  color: #10131b;
  font-size: 17px;
}

.self-timeline em {
  color: #617287;
  font-size: 14px;
  font-style: normal;
}

.self-timeline .timeline-future {
  border-color: #10131b;
  background: #10131b;
}

.self-timeline .timeline-future span {
  color: #10131b;
  background: #ffd447;
}

.self-timeline .timeline-future b,
.self-timeline .timeline-future em {
  color: #ffffff;
}

.self-evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.self-evidence-grid article {
  padding: 22px;
  background: #ffffff;
}

.self-evidence-grid span {
  display: block;
  color: #0f4bb1;
  font-size: 38px;
  font-weight: 950;
  line-height: 1;
}

.self-evidence-grid h3 {
  margin: 14px 0 10px;
  color: #10131b;
  font-size: 20px;
}

.self-evidence-grid p {
  margin: 0;
  color: #5d6b7f;
  font-size: 14px;
  line-height: 1.62;
}

.self-agent-loop {
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(620px, 1.22fr);
  gap: 20px;
  align-items: center;
  margin-top: 18px;
  padding: 26px;
  color: #ffffff;
  background: #10131b;
}

.self-agent-copy h3 {
  margin: 12px 0 12px;
  color: #ffffff;
  font-size: 28px;
  line-height: 1.16;
}

.self-agent-copy p {
  margin: 0;
  color: rgba(237, 242, 255, 0.78);
  font-size: 16px;
  line-height: 1.68;
}

.self-agent-steps {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.self-agent-steps span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 92px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}

.self-agent-steps span:last-child {
  color: #10131b;
  background: #ffd447;
}

.human-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(440px, 1.05fr);
  gap: 24px;
}

.human-thesis,
.human-points div {
  background: #ffffff;
  padding: 26px;
}

.human-thesis {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.human-thesis h3 {
  margin: 0 0 16px;
  font-size: 31px;
  line-height: 1.16;
}

.human-thesis p {
  color: #465568;
  font-size: 20px;
  line-height: 1.72;
}

.human-thesis-tags {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 24px;
}

.human-thesis-tags span {
  display: grid;
  place-items: center;
  min-height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #10131b;
  background: #ffd447;
  font-size: 14px;
  font-weight: 950;
}

.human-points {
  grid-template-columns: 1fr;
}

.human-points div {
  display: grid;
  align-content: center;
  min-height: 150px;
}

.human-points b {
  font-size: 19px;
}

.human-points span {
  line-height: 1.68;
}

.human-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.human-actions article {
  padding: 24px;
  border: 1px solid #dbe3ee;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(23, 32, 51, 0.08);
}

.human-actions span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
  font-size: 13px;
  font-weight: 950;
}

.human-actions h3 {
  margin: 16px 0 10px;
  color: #10131b;
  font-size: 22px;
}

.human-actions p {
  margin: 0;
  color: #5b6b80;
  font-size: 15px;
  line-height: 1.65;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 56px;
  background: rgba(7, 27, 67, 0.82);
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  max-width: min(1180px, 94vw);
  max-height: 86vh;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.lightbox-close {
  position: fixed;
  right: 28px;
  top: 22px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.18);
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1080px) {
  .topbar {
    padding: 0 20px;
  }

  .nav {
    overflow-x: auto;
    max-width: 68vw;
  }

  .section,
  .section-band {
    padding: 56px 24px;
  }

  .hero,
  .case-block,
  .case-block.image-right,
  .llm-feature,
  .llm-best-try,
  .harness-hero,
  .evaluation-layout,
  .memory-layout,
  .unified-layout,
  .self-loop-layout,
  .self-agent-loop,
  .human-layout {
    grid-template-columns: 1fr;
  }

  .flow,
  .component-grid,
  .architecture-flow,
  .architecture-pillars,
  .llm-training-points,
  .harness-guardrails,
  .evaluation-risk-grid,
  .memory-routes,
  .generation-shift,
  .unified-demo-links,
  .self-evidence-grid,
  .self-agent-steps,
  .human-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .trace-compact-head,
  .trace-compact-grid,
  .harness-contrast,
  .trace-behavior-row {
    grid-template-columns: 1fr;
  }

  .harness-loop-visual,
  .harness-loop-visual img {
    min-height: 440px;
  }

  .memory-visuals {
    min-height: 560px;
  }

  .unified-diagram {
    min-height: 420px;
  }

  .self-agent-steps span {
    min-height: 72px;
  }

  .flow-node:not(:last-child)::after,
  .architecture-step:not(:last-child)::after {
    display: none;
  }

  .case-evidence .case-copy {
    order: -1;
  }
}

@media (max-width: 720px) {
  .topbar {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

  .nav {
    max-width: 100%;
    width: 100%;
    flex-wrap: nowrap;
  }

  .nav a {
    padding: 8px 10px;
  }

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

  h1 {
    font-size: 36px;
    line-height: 1.08;
  }

  .metric-row,
  .takeaway-grid,
  .frontier-grid,
  .flow,
  .component-grid,
  .architecture-flow,
  .architecture-pillars,
  .llm-training-points,
  .harness-guardrails,
  .evaluation-risk-grid,
  .memory-routes,
  .generation-shift,
  .unified-demo-links,
  .self-evidence-grid,
  .self-agent-steps,
  .human-thesis-tags,
  .human-actions,
  .best-try-facts,
  .trace-compact-head,
  .trace-compact-grid,
  .harness-contrast,
  .trace-behavior-row {
    grid-template-columns: 1fr;
  }

  .trace-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .trace-row em {
    grid-column: 2;
  }

  .architecture-visual img {
    max-height: 360px;
  }

  .harness-loop-card {
    padding: 24px;
  }

  .harness-loop-card h3 {
    font-size: 25px;
  }

  .loop-steps {
    grid-template-columns: 1fr;
  }

  .harness-loop-visual,
  .harness-loop-visual img {
    min-height: 320px;
  }

  .evaluation-core {
    padding: 24px;
  }

  .evaluation-core h3 {
    font-size: 25px;
  }

  .evaluation-visual,
  .evaluation-visual img {
    min-height: 300px;
  }

  .memory-thesis {
    padding: 24px;
  }

  .memory-thesis h3 {
    font-size: 28px;
  }

  .memory-thesis blockquote {
    font-size: 20px;
  }

  .memory-visuals {
    grid-template-rows: 260px 320px;
    min-height: auto;
  }

  .unified-thesis {
    padding: 24px;
  }

  .unified-thesis h3 {
    font-size: 27px;
  }

  .unified-diagram {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: auto;
    padding: 18px;
  }

  .unified-arrow {
    min-height: 34px;
    font-size: 30px;
    transform: rotate(90deg);
  }

  .unified-lane {
    padding: 18px;
  }

  .unified-lane b {
    font-size: 23px;
  }

  .unified-chip-row {
    grid-template-columns: 1fr;
  }

  .self-thesis {
    padding: 24px;
  }

  .self-thesis h3 {
    font-size: 28px;
  }

  .self-timeline {
    padding: 18px;
  }

  .self-timeline div {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .self-timeline em {
    grid-column: 2;
  }

  .self-agent-loop {
    padding: 20px;
  }

  .self-agent-copy h3 {
    font-size: 24px;
  }

  .quality-loop div {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .quality-loop em {
    grid-column: 2;
    text-align: left;
  }

  .llm-feature,
  .llm-panel {
    padding: 18px;
  }

  .llm-shot img,
  .cost-bucket-chart img,
  .llm-best-try-visual img {
    height: 300px;
  }

  .llm-visual-triple {
    grid-template-columns: 1fr;
  }

  .llm-visual-triple .llm-shot-primary {
    grid-column: auto;
  }

  .architecture-step {
    min-height: auto;
  }

  .architecture-step b {
    min-height: auto;
  }

  .case-block {
    padding: 18px;
  }

  .lightbox {
    padding: 20px;
  }
}

/* Premium visual refresh */
body {
  background:
    linear-gradient(180deg, #0f1117 0, #0f1117 640px, #eef2f7 640px, #f8fafc 100%);
  color: #172033;
}

.topbar {
  height: 74px;
  color: #edf2ff;
  background: rgba(13, 15, 22, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.brand {
  color: #ffffff;
}

.nav {
  color: #b8c2d4;
}

.nav a:hover,
.nav a.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.hero.section-band {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 74px);
  background:
    linear-gradient(135deg, rgba(15, 17, 23, 0.98), rgba(20, 30, 48, 0.94)),
    linear-gradient(90deg, rgba(255, 212, 71, 0.16), transparent 44%),
    linear-gradient(270deg, rgba(38, 124, 255, 0.18), transparent 48%);
  border-bottom: 0;
}

.hero.section-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 80%);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 212, 71, 0.45);
  border-radius: 8px;
  color: #ffe08a;
  background: rgba(255, 212, 71, 0.1);
}

.hero h1 {
  color: #ffffff;
  max-width: 650px;
  font-size: clamp(42px, 4.6vw, 64px);
  line-height: 1.08;
  text-wrap: balance;
}

.hero .lead {
  color: #cbd5e1;
  max-width: 650px;
}

.metric {
  min-height: 112px;
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.metric span {
  color: #ffd447;
}

.metric b {
  color: #dbe4f0;
}

.hero-visual {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

.hero-visual img {
  height: min(64vh, 620px);
  background: #151a24;
}

.hero-visual figcaption {
  color: #cbd5e1;
  border-top-color: rgba(255, 255, 255, 0.12);
  background: rgba(10, 12, 18, 0.72);
}

.section {
  padding-top: 92px;
  padding-bottom: 92px;
}

.section-band:not(.hero) {
  max-width: none;
  background:
    linear-gradient(180deg, #ffffff, #eef3f8);
  border-top: 1px solid #dbe3ee;
  border-bottom: 1px solid #dbe3ee;
}

.section-title {
  max-width: 960px;
}

.section-title .eyebrow {
  color: #a36d00;
}

.section-title h2 {
  font-size: clamp(34px, 3.4vw, 52px);
  text-wrap: balance;
}

.case-block {
  position: relative;
  overflow: hidden;
  gap: 40px;
  padding: 34px;
  border-color: rgba(34, 48, 72, 0.12);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 22px 70px rgba(29, 46, 73, 0.12);
}

.case-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, #ffd447, #277cff, #1ea672);
}

.case-index {
  color: #0f1117;
  background: #ffd447;
  box-shadow: 0 10px 24px rgba(255, 212, 71, 0.25);
}

.case-copy h3 {
  font-size: clamp(26px, 2.4vw, 36px);
  text-wrap: balance;
}

.case-copy p {
  color: #3e4b5f;
  font-size: 19px;
}

.case-media {
  border-color: #cdd7e6;
  background: #10131b;
  box-shadow: 0 24px 70px rgba(23, 32, 51, 0.18);
}

.case-media img {
  background: #f0f4f8;
}

.media-stack {
  background: #10131b;
}

.media-stack img {
  border-color: rgba(255, 255, 255, 0.14);
}

.takeaway-grid div,
.quote-panel,
.evidence-panel {
  background: #f8fafc;
  border-color: #dbe3ee;
}

.evidence-panel {
  color: #111827;
  background:
    linear-gradient(145deg, #f5f8ff, #e8f6f4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.evidence-number {
  color: #277cff;
  letter-spacing: 0;
}

.flow-node {
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(23, 32, 51, 0.08);
}

.flow-node.start,
.flow-node.end {
  color: #ffffff;
  background: #10131b;
}

.component-grid div,
.frontier-grid article,
.human-thesis,
.human-points div {
  background: #ffffff;
  border-color: #dbe3ee;
  box-shadow: 0 18px 42px rgba(23, 32, 51, 0.08);
}

.frontier-grid article {
  position: relative;
  overflow: hidden;
}

.frontier-grid article::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: 99px;
  background: #277cff;
}

.human-thesis {
  color: #ffffff;
  background: #10131b;
}

.human-thesis h3,
.human-thesis p {
  color: #ffffff;
}

.human-points div {
  border-left: 5px solid #ffd447;
}

#human.section {
  padding-top: 52px;
  padding-bottom: 48px;
}

#human .section-title {
  margin-bottom: 24px;
}

#human .section-title h2 {
  font-size: clamp(34px, 3vw, 46px);
}

#human .section-title p:last-child {
  font-size: 17px;
  line-height: 1.55;
}

#human .human-layout {
  gap: 18px;
}

#human .human-thesis,
#human .human-points div {
  padding: 20px 24px;
}

#human .human-thesis h3 {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.14;
}

#human .human-thesis p {
  font-size: 17px;
  line-height: 1.58;
}

#human .human-thesis-tags {
  margin-top: 18px;
}

#human .human-thesis-tags span {
  min-height: 40px;
}

#human .human-points {
  gap: 12px;
}

#human .human-points div {
  min-height: 112px;
}

#human .human-points b {
  margin-bottom: 6px;
  font-size: 18px;
}

#human .human-points span {
  font-size: 14px;
  line-height: 1.55;
}

#human .human-actions {
  gap: 14px;
  margin-top: 14px;
}

#human .human-actions article {
  padding: 18px;
}

#human .human-actions span {
  width: 32px;
  height: 32px;
  font-size: 12px;
}

#human .human-actions h3 {
  margin: 10px 0 8px;
  font-size: 20px;
}

#human .human-actions p {
  font-size: 14px;
  line-height: 1.52;
}

#human.human-section {
  padding-top: 68px;
  padding-bottom: 72px;
}

#human.human-section .section-title {
  max-width: 1040px;
  margin-bottom: 28px;
}

#human.human-section .section-title h2 {
  font-size: clamp(38px, 3.4vw, 56px);
}

#human.human-section .section-title p:last-child {
  max-width: 980px;
  font-size: 18px;
  line-height: 1.62;
}

.human-intro {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(280px, 0.42fr);
  gap: 18px;
  align-items: stretch;
}

#human .human-intro .human-thesis {
  min-height: 292px;
  padding: 34px;
}

#human .human-intro .human-thesis h3 {
  font-size: clamp(30px, 2.8vw, 42px);
}

#human .human-intro .human-thesis p {
  max-width: 760px;
  font-size: 19px;
  line-height: 1.68;
}

.human-intro-points {
  display: grid;
  gap: 12px;
}

.human-intro-points span {
  display: grid;
  place-items: center;
  min-height: 86px;
  border: 1px solid #dbe3ee;
  border-left: 5px solid #ffd447;
  border-radius: 8px;
  color: #10131b;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(23, 32, 51, 0.08);
  font-size: 20px;
  font-weight: 950;
}

.human-stories {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.human-story {
  display: grid;
  grid-template-columns: minmax(330px, 0.68fr) minmax(560px, 1.32fr);
  gap: 22px;
  align-items: stretch;
  padding: 22px;
  border: 1px solid rgba(219, 227, 238, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 24px 70px rgba(23, 32, 51, 0.11);
}

.human-story-reverse .human-story-copy {
  order: 2;
}

.human-story-reverse {
  grid-template-columns: minmax(650px, 1.55fr) minmax(300px, 0.85fr);
}

.human-story-reverse .human-visual {
  order: 1;
}

.human-story-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.human-story-copy h3 {
  margin: 12px 0 12px;
  color: #10131b;
  font-size: clamp(26px, 2.4vw, 36px);
  line-height: 1.16;
}

.human-story-copy p {
  margin: 0;
  color: #465568;
  font-size: 17px;
  line-height: 1.72;
}

.human-story-line {
  margin-top: 18px;
  padding: 18px;
  border-radius: 8px;
  color: #ffffff;
  background: #10131b;
}

.human-story-line b {
  display: block;
  margin-bottom: 8px;
  color: #ffd447;
  font-size: 15px;
}

.human-story-line span {
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  line-height: 1.55;
}

.human-visual {
  display: block;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(16, 19, 27, 0.14);
  border-radius: 8px;
  background: #10131b;
  box-shadow: 0 22px 52px rgba(16, 19, 27, 0.16);
  cursor: zoom-in;
}

.human-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: contain;
}

.human-story-reverse .human-visual img {
  min-height: 430px;
}

.human-close {
  margin-top: 24px;
  padding: 28px 32px;
  border-radius: 8px;
  color: #ffffff;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 212, 71, 0.22), transparent 34%),
    linear-gradient(135deg, #10131b, #182133);
  box-shadow: 0 26px 78px rgba(16, 19, 27, 0.18);
}

.human-close h3 {
  margin: 12px 0 10px;
  color: #ffffff;
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 1.18;
}

.human-close p {
  max-width: 980px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.68;
}

#human.human-section .human-actions {
  margin-top: 20px;
}

#human.human-section .human-actions article {
  border-color: rgba(219, 227, 238, 0.95);
  background: rgba(255, 255, 255, 0.94);
}

@media (max-width: 1080px) {
  .human-intro,
  .human-story {
    grid-template-columns: 1fr;
  }

  .human-story-reverse .human-story-copy,
  .human-story-reverse .human-visual {
    order: initial;
  }

  .human-visual img {
    min-height: 300px;
  }
}

@media (max-width: 720px) {
  #human.human-section {
    padding-top: 48px;
    padding-bottom: 54px;
  }

  #human .human-intro .human-thesis,
  .human-story,
  .human-close {
    padding: 18px;
  }

  .human-intro-points span {
    min-height: 64px;
    font-size: 17px;
  }

  .human-visual img {
    min-height: 220px;
  }
}

@media (max-width: 1080px) {
  body {
    background:
      linear-gradient(180deg, #0f1117 0, #0f1117 860px, #eef2f7 860px, #f8fafc 100%);
  }

  .hero h1 {
    max-width: 820px;
  }
}

@media (max-width: 720px) {
  body {
    background:
      linear-gradient(180deg, #0f1117 0, #0f1117 980px, #eef2f7 980px, #f8fafc 100%);
  }

  .topbar {
    height: auto;
    background: rgba(13, 15, 22, 0.94);
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.12;
  }

  .hero .lead {
    font-size: 18px;
  }

  .case-block {
    padding: 22px;
  }
}

/* Course agenda hero */
.hero.section-band {
  display: block;
  padding: 34px 56px 28px;
}

.hero-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero-copy {
  max-width: 1040px;
}

.hero-copy .eyebrow {
  margin-bottom: 14px;
}

.hero-copy h1 {
  max-width: 980px;
  margin-bottom: 14px;
  font-size: clamp(38px, 3.9vw, 54px);
  line-height: 1.06;
}

.hero-copy .lead {
  max-width: 950px;
  margin-bottom: 22px;
  color: #d6deeb;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.62;
}

.agenda-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.96fr 0.96fr;
  gap: 16px;
}

.agenda-card {
  display: flex;
  min-width: 0;
  min-height: 370px;
  flex-direction: column;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.115), rgba(255, 255, 255, 0.065)),
    rgba(255, 255, 255, 0.045);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.agenda-card-primary {
  border-color: rgba(255, 212, 71, 0.42);
  background:
    linear-gradient(180deg, rgba(255, 212, 71, 0.15), rgba(255, 255, 255, 0.07)),
    rgba(255, 255, 255, 0.045);
}

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

.agenda-index {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  color: #0f1117;
  background: #ffd447;
  font-size: 18px;
  font-weight: 900;
}

.agenda-label {
  color: #aebbd0;
  font-size: 13px;
  font-weight: 900;
}

.agenda-card h2 {
  margin: 0 0 10px;
  color: #ffffff;
  font-size: clamp(23px, 1.8vw, 28px);
  line-height: 1.16;
}

.agenda-question {
  margin-bottom: 10px;
  color: #ffd447;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.45;
}

.agenda-description {
  margin-bottom: 12px;
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.5;
}

.agenda-card ul {
  display: grid;
  gap: 7px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.agenda-card li {
  position: relative;
  padding-left: 16px;
  color: #e7edf7;
  font-size: 13px;
  line-height: 1.42;
}

.agenda-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7dd3fc;
}

.agenda-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: auto;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 900;
}

.agenda-link:hover {
  border-color: rgba(255, 212, 71, 0.52);
  background: rgba(255, 212, 71, 0.12);
}

.hero-transition {
  display: grid;
  grid-template-columns: 1fr 46px 1fr 46px 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(4, 9, 20, 0.34);
}

.hero-transition div {
  min-width: 0;
}

.hero-transition b,
.hero-transition span {
  display: block;
}

.hero-transition b {
  color: #ffffff;
  font-size: 14px;
}

.hero-transition span {
  color: #aebbd0;
  font-size: 13px;
}

.hero-transition i {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 212, 71, 0.25), rgba(125, 211, 252, 0.95));
}

@media (max-width: 1080px) {
  .hero.section-band {
    padding: 44px 24px;
  }

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

  .agenda-card {
    min-height: auto;
  }

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

  .hero-transition i {
    width: 2px;
    height: 18px;
    margin-left: 8px;
    background: linear-gradient(180deg, rgba(255, 212, 71, 0.35), rgba(125, 211, 252, 0.95));
  }
}

@media (max-width: 720px) {
  .topbar {
    min-height: 62px;
  }

  .topbar .nav {
    display: none;
  }

  .hero.section-band {
    padding: 22px 16px 28px;
  }

  .hero-copy h1 {
    margin-bottom: 10px;
    font-size: 28px;
    line-height: 1.12;
  }

  .hero-copy .lead {
    display: -webkit-box;
    overflow: hidden;
    max-height: 3.2em;
    margin-bottom: 14px;
    font-size: 14px;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .agenda-card {
    padding: 12px;
  }

  .agenda-card-head {
    margin-bottom: 8px;
  }

  .agenda-index {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .agenda-card h2 {
    margin-bottom: 5px;
    font-size: 20px;
  }

  .agenda-question {
    margin-bottom: 8px;
    font-size: 13px;
    line-height: 1.35;
  }

  .agenda-description,
  .agenda-link {
    display: none;
  }

  .agenda-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 0;
  }

  .agenda-card li {
    padding: 3px 6px;
    border: 1px solid rgba(125, 211, 252, 0.18);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
    font-size: 11px;
    line-height: 1.22;
  }

  .agenda-card li::before {
    display: none;
  }

  .hero-transition {
    display: none;
  }

  .evidence-chain,
  .case-proof-strip {
    grid-template-columns: 1fr;
  }

  .evidence-chain div,
  .case-proof-strip div {
    min-height: auto;
  }

  .gangji-shot img {
    height: 420px;
  }

  .adoption-map {
    grid-template-columns: 1fr;
  }

  .adoption-map > div {
    min-height: auto;
  }

  .dijiu-metric {
    padding: 22px;
  }

  .product-showcase {
    padding: 20px;
  }

  .interaction-wall {
    grid-template-columns: 1fr;
    grid-auto-rows: 340px;
  }

  .interaction-shot-tall,
  .interaction-shot-wide {
    grid-column: auto;
    grid-row: auto;
  }
}