:root {
  --ink: #13211f;
  --muted: #61716d;
  --line: #dcebe7;
  --paper: #f7fbfa;
  --white: #ffffff;
  --teal: #24b995;
  --teal-dark: #0f6f60;
  --amber: #f5b846;
  --coral: #ec6b5f;
  --shadow: 0 24px 70px rgba(19, 33, 31, 0.12);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

button,
input,
a {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(245, 184, 70, 0.95);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 20px;
  top: 14px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--amber);
  font-weight: 900;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(247, 251, 250, 0.86);
  border-bottom: 1px solid rgba(220, 235, 231, 0.8);
  backdrop-filter: blur(16px);
  animation: headerDrop 0.56s var(--ease-out) both;
}

.brand,
.main-nav,
.hero-actions,
.hero-metrics,
.logo-strip,
.timeline,
.plan-grid,
.demo-form,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
  min-width: 236px;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--teal-dark);
  font-size: 11px;
  font-weight: 900;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  color: var(--white);
  background: var(--ink);
}

.main-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 15px;
}

.main-nav a:hover,
.header-action:hover {
  color: #2b210f;
}

.main-nav a,
.header-action,
.primary-button,
.secondary-button,
.plan a {
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.primary-button:hover,
.secondary-button:hover,
.header-action:hover,
.plan a:hover {
  transform: translateY(-1px);
}

.header-action {
  padding: 11px 18px;
  border: 1px solid rgba(245, 184, 70, 0.9);
  border-radius: 999px;
  color: #2b210f;
  background: var(--amber);
  box-shadow: 0 10px 24px rgba(245, 184, 70, 0.28);
  font-weight: 900;
}

.header-action::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(36, 185, 149, 0.18);
}

.header-action:hover {
  border-color: var(--amber);
  background: #ffd06f;
  box-shadow: 0 14px 30px rgba(245, 184, 70, 0.36);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(24px, 4vw, 58px);
  padding: clamp(18px, 3vw, 32px) clamp(20px, 5vw, 72px) 14px;
  overflow: hidden;
}

.hero-copy {
  max-width: 680px;
  animation: riseIn 0.72s var(--ease-out) both;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 16px;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.hero-lead {
  max-width: 600px;
  color: #42534f;
  font-size: 20px;
  line-height: 1.62;
}

.domain-link {
  display: inline-flex;
  margin-top: 6px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.primary-button,
.secondary-button,
.demo-form button,
.plan a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
}

.primary-button,
.demo-form button,
.plan.featured a {
  color: var(--white);
  background: var(--ink);
}

.secondary-button,
.plan a {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--white);
}

.light-button {
  margin-top: 10px;
  color: #12231f;
  background: var(--amber);
}

.hero-promises {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-promises span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #1e4d43;
  background: #eef8f5;
  font-size: 13px;
  font-weight: 900;
}

.hero-promises span::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(36, 185, 149, 0.13);
}

.hero-metrics {
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.hero-metrics div {
  min-width: 118px;
  transition: transform 0.2s ease;
}

.hero-metrics div:hover {
  transform: translateY(-2px);
}

.hero-metrics strong {
  display: block;
  font-size: 28px;
}

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

.hero-visual {
  position: relative;
  min-width: 0;
  animation: riseIn 0.8s var(--ease-out) 0.08s both;
}

.hero-visual img {
  display: block;
  width: min(640px, 50vw);
  max-width: 100%;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 30px 90px rgba(19, 33, 31, 0.16);
  animation: dashboardFloat 6s ease-in-out infinite;
}

.logo-strip {
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 16px 20px 24px;
  color: #657773;
  font-weight: 800;
  background: var(--white);
}

.logo-strip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f7fbfa;
  font-size: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.logo-strip span:hover {
  transform: translateY(-2px);
  border-color: rgba(36, 185, 149, 0.45);
  box-shadow: 0 10px 26px rgba(19, 33, 31, 0.08);
}

.logo-strip span::before {
  content: attr(data-mini);
  display: inline-grid;
  place-items: center;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border-radius: 9px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(19, 33, 31, 0.12);
}

.logo-strip span:nth-child(1)::before,
.logo-strip span:nth-child(9)::before {
  background: #ff6a00;
}

.logo-strip span:nth-child(2)::before,
.logo-strip span:nth-child(3)::before,
.logo-strip span:nth-child(5)::before {
  background: #e1251b;
}

.logo-strip span:nth-child(4)::before,
.logo-strip span:nth-child(6)::before {
  background: #111111;
}

.logo-strip span:nth-child(7)::before,
.logo-strip span:nth-child(12)::before {
  color: #2a2107;
  background: #ffd21e;
}

.logo-strip span:nth-child(8)::before {
  background: #287dfa;
}

.logo-strip span:nth-child(10)::before {
  background: #ff4d00;
}

.logo-strip span:nth-child(11)::before {
  background: #00a1d6;
}

.logo-strip span:nth-child(13)::before {
  background: #07c160;
}

.logo-strip span:nth-child(9)::before {
  font-size: 10px;
}

.section,
.growth-lift,
.security-highlight,
.brand-platforms,
.model-section,
.knowledge-lab,
.workflow,
.pricing,
.cta {
  padding: 92px clamp(20px, 5vw, 72px);
}

.growth-lift {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  color: var(--white);
  background: #17372f;
}

.growth-copy {
  position: sticky;
  top: 104px;
}

.growth-copy h2 {
  max-width: 620px;
  color: var(--white);
}

.growth-slogan {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 2px 0 20px;
  padding: 10px 14px;
  border-radius: 999px;
  color: #2b210f;
  background: var(--amber);
  font-size: 16px;
  font-weight: 900;
}

.growth-slogan::before {
  content: "UP";
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: var(--white);
  background: var(--ink);
  font-size: 11px;
}

.growth-copy p:not(.eyebrow) {
  max-width: 620px;
  color: #cfeee6;
  font-size: 18px;
  line-height: 1.8;
}

.growth-copy .eyebrow {
  color: var(--amber);
}

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

.growth-grid article {
  min-height: 218px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.growth-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 184, 70, 0.38);
  background: rgba(255, 255, 255, 0.1);
}

.growth-grid span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 10px;
  color: #2b210f;
  background: var(--amber);
  font-weight: 900;
}

.growth-grid h3 {
  color: var(--white);
}

.growth-grid p {
  margin-bottom: 0;
  color: #cfeee6;
  line-height: 1.7;
}

.security-highlight {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  color: var(--white);
  background: var(--ink);
}

.security-highlight h2 {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--white);
}

.security-highlight .eyebrow {
  color: var(--amber);
}

.security-highlight p:last-child {
  margin: 0;
  color: #cfeee6;
  font-size: 18px;
  line-height: 1.8;
}

.model-section {
  background: #eef6f3;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.model-provider {
  position: relative;
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.model-provider:hover,
.feature-card:hover,
.knowledge-item:hover,
.plan:hover,
.platform-grid > div:hover {
  transform: translateY(-4px);
  border-color: rgba(36, 185, 149, 0.35);
  box-shadow: 0 18px 44px rgba(19, 33, 31, 0.1);
}

.model-provider-head {
  min-height: 112px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.model-provider-head h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 26px;
}

.model-provider-head h3::before {
  content: "AI";
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(19, 33, 31, 0.12);
}

.model-provider:nth-child(2) .model-provider-head h3::before {
  content: "DS";
  background: #1d4ed8;
}

.model-provider:nth-child(3) .model-provider-head h3::before {
  content: "QW";
  background: var(--teal-dark);
}

.model-provider:nth-child(4) .model-provider-head h3::before {
  content: "GLM";
  background: #7c3aed;
  font-size: 11px;
}

.model-provider-head span {
  color: var(--muted);
  font-weight: 800;
}

.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.model-list span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  padding: 9px 11px;
  border-radius: 999px;
  color: #13342e;
  background: #e4f5ef;
  font-size: 13px;
  font-weight: 900;
  overflow-wrap: anywhere;
  transition: transform 0.18s ease, background 0.18s ease;
}

.model-list span:hover {
  transform: translateY(-1px);
  background: #d9f2ea;
}

.model-list span::before {
  content: attr(data-model-icon);
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 22px;
  padding: 0 6px;
  border-radius: 7px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
}

.brand-platforms {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 20px;
  padding-top: 36px;
}

.partner-block,
.platform-block {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.partner-block h2,
.platform-block h2 {
  font-size: clamp(28px, 3vw, 40px);
}

.platform-source {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.partner-grid,
.platform-grid {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.trust-metrics div {
  padding: 18px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
}

.trust-metrics strong {
  display: block;
  margin-bottom: 8px;
  color: var(--amber);
  font-size: 28px;
  line-height: 1;
}

.trust-metrics span {
  color: #bdebe0;
  font-size: 14px;
  font-weight: 800;
}

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

.partner-grid span,
.platform-grid > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fbfa;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.partner-grid span {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: flex-start;
  gap: 9px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.25;
  text-align: left;
}

.partner-grid span::before {
  content: attr(data-logo);
  display: inline-grid;
  place-items: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: var(--white);
  background: #0f6f60;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(19, 33, 31, 0.12);
}

.partner-grid span:hover {
  transform: translateY(-2px);
  border-color: rgba(36, 185, 149, 0.4);
  box-shadow: 0 10px 24px rgba(19, 33, 31, 0.08);
}

.partner-grid span:nth-child(4n + 1)::before {
  background: #0f6f60;
}

.partner-grid span:nth-child(4n + 2)::before {
  background: #e1251b;
}

.partner-grid span:nth-child(4n + 3)::before {
  color: #2b210f;
  background: #f5b846;
}

.partner-grid span:nth-child(4n)::before {
  background: #1d4ed8;
}

.partner-grid span[data-logo="HP"]::before,
.partner-grid span[data-logo="TCL"]::before,
.partner-grid span[data-logo="1688"]::before {
  font-size: 10px;
}

.tech-partners {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.tech-partners p {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.tech-partners div {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.tech-partners span {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fbfa;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.tech-partners span::before {
  content: attr(data-tech-logo);
  display: inline-grid;
  place-items: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: var(--white);
  background: var(--ink);
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(19, 33, 31, 0.12);
}

.tech-partners span:hover {
  transform: translateY(-2px);
  border-color: rgba(36, 185, 149, 0.4);
  box-shadow: 0 10px 24px rgba(19, 33, 31, 0.08);
}

.tech-partners span:nth-child(2)::before {
  background: #4285f4;
}

.tech-partners span:nth-child(3)::before {
  background: #1d4ed8;
}

.tech-partners span:nth-child(4)::before {
  background: #ff6a00;
}

.tech-partners span:nth-child(5)::before {
  background: var(--teal-dark);
}

.tech-partners span:nth-child(6)::before {
  background: #7c3aed;
}

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

.platform-grid > div {
  min-height: 108px;
  padding: 16px;
}

.platform-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.platform-logo {
  display: inline-grid;
  place-items: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--white);
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(19, 33, 31, 0.12);
}

.logo-qn,
.logo-1688 {
  background: #ff6a00;
}

.logo-jd,
.logo-pdd,
.logo-xhs {
  background: #e1251b;
}

.logo-douyin,
.logo-doudian {
  background: #111111;
}

.logo-meituan,
.logo-xianyu {
  color: #2a2107;
  background: #ffd21e;
}

.logo-ctrip {
  background: #287dfa;
}

.logo-kuaishou {
  background: #ff4d00;
}

.logo-bilibili {
  background: #00a1d6;
}

.logo-wechat {
  background: #07c160;
}

.platform-grid strong {
  display: block;
  margin-bottom: 0;
  font-size: 18px;
}

.platform-grid > div > span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 40px;
}

.section-heading.compact {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.plan {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.feature-card-wide {
  grid-column: span 3;
}

.feature-card p,
.knowledge-item p,
.knowledge-lab .section-heading p,
.timeline p,
.split p,
.plan p {
  color: var(--muted);
  line-height: 1.7;
}

.feature-card h3,
.knowledge-item h3 {
  display: flex;
  align-items: center;
  gap: 9px;
}

.feature-card h3::before,
.knowledge-item h3::before {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border-radius: 4px;
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(245, 184, 70, 0.14);
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 12px;
  color: var(--white);
  background: var(--teal-dark);
  font-weight: 900;
}

.knowledge-lab {
  background: linear-gradient(180deg, #ffffff 0%, #eef8f5 100%);
}

.knowledge-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1fr);
  gap: 22px;
  align-items: stretch;
}

.knowledge-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.panel-topline,
.knowledge-proof span,
.knowledge-item span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 900;
}

.panel-topline {
  margin-bottom: 28px;
  color: #bdebe0;
}

.panel-topline strong {
  color: var(--amber);
}

.layer-map {
  display: grid;
  gap: 12px;
}

.layer-map div {
  position: relative;
  padding: 18px;
  padding-left: 58px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.layer-map div::before {
  content: attr(data-layer-icon);
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: #2b210f;
  background: var(--amber);
  font-size: 10px;
  font-weight: 900;
}

.layer-map span {
  display: block;
  margin-bottom: 8px;
  color: #9ed8cb;
  font-size: 13px;
  font-weight: 800;
}

.layer-map strong {
  display: block;
  line-height: 1.45;
}

.knowledge-proof,
.evolution-proof {
  margin-top: 18px;
  padding: 20px;
  border-radius: 8px;
}

.knowledge-proof {
  color: #2b210f;
  background: var(--amber);
}

.evolution-proof {
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #dff6ef;
  background: rgba(255, 255, 255, 0.08);
}

.evolution-proof span {
  color: var(--amber);
  font-weight: 900;
}

.knowledge-proof p,
.evolution-proof p {
  margin: 10px 0 0;
  line-height: 1.65;
}

.knowledge-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.knowledge-item {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.knowledge-item span {
  justify-content: flex-start;
  margin-bottom: 28px;
  color: var(--teal-dark);
}

.workflow {
  color: var(--white);
  background: var(--ink);
}

.workflow .eyebrow,
.workflow p {
  color: #a6c5bd;
}

.timeline {
  align-items: stretch;
  gap: 16px;
}

.timeline div {
  position: relative;
  flex: 1;
  padding: 26px;
  padding-top: 76px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.timeline div:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 184, 70, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.timeline div::before {
  content: attr(data-flow-icon);
  position: absolute;
  top: 24px;
  left: 24px;
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 34px;
  padding: 0 8px;
  border-radius: 11px;
  color: #2b210f;
  background: var(--amber);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.timeline span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--amber);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
}

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

.scene-list div {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0 20px 54px;
  border-bottom: 1px solid var(--line);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.scene-list div:hover {
  transform: translateX(4px);
  border-color: rgba(36, 185, 149, 0.42);
}

.scene-list div::before {
  content: attr(data-scene-icon);
  position: absolute;
  left: 0;
  top: 16px;
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 36px;
  padding: 0 6px;
  border-radius: 11px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.scene-list span {
  color: var(--muted);
  text-align: right;
}

.pricing {
  background: #eef6f3;
}

.plan-grid {
  align-items: stretch;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.plan {
  position: relative;
  flex: 1;
  min-width: 0;
  padding-top: 78px;
}

.plan::before {
  content: attr(data-plan-icon);
  position: absolute;
  top: 28px;
  left: 28px;
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(19, 33, 31, 0.12);
}

.plan strong {
  display: block;
  margin: 28px 0;
  font-size: 30px;
}

.plan.featured {
  color: var(--white);
  background: var(--teal-dark);
  border-color: var(--teal-dark);
}

.plan.featured::before {
  color: #2b210f;
  background: var(--amber);
}

.plan.featured p {
  color: #d7f6ee;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.64fr);
  gap: 34px;
  align-items: center;
  color: var(--white);
  background: linear-gradient(135deg, #13211f 0%, #164c42 58%, #8a6420 100%);
}

.cta .eyebrow {
  color: #8febd2;
}

.cta p:not(.eyebrow) {
  max-width: 620px;
  color: #d7f6ee;
  font-size: 18px;
  line-height: 1.7;
}

.demo-panel {
  display: grid;
  gap: 16px;
  justify-items: end;
}

.qr-card {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  width: min(100%, 520px);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.qr-card img {
  display: block;
  width: 116px;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  background: var(--white);
}

.qr-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--white);
  font-size: 22px;
}

.qr-card span {
  display: block;
  color: #d7f6ee;
  line-height: 1.65;
}

.demo-form {
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
  width: min(100%, 520px);
}

.demo-form input {
  width: 180px;
  min-height: 48px;
  padding: 0 16px;
  color: var(--ink);
  border: 0;
  border-radius: 999px;
}

.demo-form input[name="message"] {
  width: min(100%, 372px);
}

.demo-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.demo-form button {
  border: 0;
  background: var(--amber);
  color: #2b210f;
  cursor: pointer;
}

.demo-form button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.form-status {
  display: block;
  width: 100%;
  min-height: 20px;
  color: #d7f6ee;
  font-size: 13px;
  text-align: right;
}

.form-status[data-state="success"] {
  color: #bdf7d2;
}

.form-status[data-state="error"] {
  color: #ffd2c7;
}

.site-footer {
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--white);
  user-select: none;
}

.download-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px clamp(20px, 5vw, 72px) 24px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  background: #eef8f5;
}

.download-panel[hidden] {
  display: none;
}

.download-panel strong {
  margin-right: 4px;
  color: var(--teal-dark);
}

.download-panel a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-weight: 900;
}

.download-panel a::before {
  content: "DL";
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-right: 8px;
  border-radius: 8px;
  color: var(--white);
  background: var(--teal-dark);
  font-size: 10px;
  font-weight: 900;
}

@keyframes headerDrop {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .hero,
  .split,
  .growth-lift,
  .security-highlight,
  .brand-platforms,
  .knowledge-layout,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual img {
    width: min(100%, 520px);
  }

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

  .feature-card-wide {
    grid-column: span 2;
  }

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

  .growth-copy {
    position: static;
  }

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

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

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

  .knowledge-panel {
    box-shadow: none;
  }

  .timeline,
  .plan-grid {
    flex-direction: column;
  }

  .demo-form {
    justify-content: flex-start;
  }

  .demo-panel {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .section,
  .growth-lift,
  .security-highlight,
  .brand-platforms,
  .model-section,
  .knowledge-lab,
  .workflow,
  .pricing,
  .cta {
    padding: 64px 20px;
  }

  .site-header {
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
  }

  .brand {
    min-width: 0;
    font-size: 15px;
  }

  .header-action {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  .hero {
    gap: 18px;
    padding: 26px 20px 18px;
  }

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

  .hero .eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    font-size: 12px;
    line-height: 1.3;
  }

  h1 {
    margin-bottom: 10px;
    font-size: 34px;
    line-height: 1.1;
  }

  .hero-lead {
    margin-bottom: 0;
    font-size: 16px;
    line-height: 1.55;
  }

  .domain-link {
    margin-top: 10px;
    font-size: 12px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
  }

  .hero-actions .primary-button,
  .hero-actions .secondary-button {
    min-height: 44px;
    padding: 0 12px;
    font-size: 14px;
  }

  .hero-promises {
    gap: 8px;
    margin-top: 14px;
  }

  .hero-promises span {
    padding: 7px 10px;
    font-size: 12px;
  }

  .hero-visual img {
    width: min(100%, 285px);
    margin-inline: auto;
    border-radius: 16px;
    box-shadow: 0 18px 46px rgba(19, 33, 31, 0.14);
  }

  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
  }

  .hero-metrics div {
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
  }

  .hero-metrics strong {
    font-size: 22px;
    line-height: 1.05;
  }

  .hero-metrics span {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    line-height: 1.35;
  }

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

  .feature-card-wide {
    grid-column: span 1;
  }

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

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

  .partner-grid,
  .trust-metrics,
  .platform-grid {
    grid-template-columns: 1fr;
  }

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

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

  .knowledge-stack {
    grid-template-columns: 1fr;
  }

  .scene-list div {
    display: block;
  }

  .scene-list span {
    display: block;
    margin-top: 6px;
    text-align: left;
  }

  .qr-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .qr-card img {
    width: min(180px, 100%);
  }

  .demo-form,
  .demo-form input,
  .demo-form button {
    width: 100%;
  }

  .site-footer {
    display: block;
  }

  .site-footer span {
    display: block;
    margin-bottom: 8px;
  }
}