:root {
  --ink: #1d1d1f;
  --muted: #737379;
  --paper: #f5f5f7;
  --line: #dddde2;
  --blue: #0066cc;
  --radius: 28px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
::selection {
  background: #dce8f8;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 6px;
}
p,
h1,
h2,
h3,
h4,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 600;
}
p {
  line-height: 1.8;
}
img {
  display: block;
  max-width: 100%;
  object-fit: cover;
}
.wrap {
  width: min(1200px, calc(100% - 112px));
  margin-inline: auto;
}
.section {
  padding: 126px 0;
}
.eyebrow {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow-divider {
  height: 12px;
  width: 1px;
  background: #b9b9bf;
}
.tiny-label {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--muted);
}
h2 {
  font-size: clamp(36px, 4.2vw, 56px);
  line-height: 1.3;
  letter-spacing: -0.045em;
}
.muted {
  color: var(--muted);
}
.section-intro {
  color: var(--muted);
  font-size: 18px;
  margin-top: 24px;
  max-width: 680px;
}
.section .eyebrow {
  margin-bottom: 22px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  background: var(--ink);
  color: #fff;
  min-height: 50px;
  padding: 12px 23px;
  font-size: 15px;
  font-weight: 500;
  transition:
    background 0.25s,
    transform 0.25s;
}
.button:hover {
  background: #3a3a3e;
  transform: translateY(-2px);
}
.button span,
.text-link span {
  font-size: 19px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
}
.text-link:hover {
  color: var(--blue);
}
.skip-link {
  position: fixed;
  z-index: 100;
  left: 20px;
  top: -80px;
  background: white;
  padding: 15px;
}
.skip-link:focus {
  top: 15px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 245, 247, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.055);
}
.nav {
  display: flex;
  height: 76px;
  align-items: center;
  gap: 32px;
  justify-content: space-between;
}
.brand {
  display: flex;
  gap: 9px;
  font-weight: 650;
  font-size: 22px;
  align-items: center;
  flex-shrink: 0;
}
.brand-ai {
  font-size: 26px;
  letter-spacing: -0.08em;
  font-weight: 750;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
  margin-right: 24px;
  font-size: 14px;
}
.nav-links a {
  color: #57575c;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: #000;
}
.nav-cta {
  font-size: 13px;
  min-height: 36px;
  padding: 7px 17px;
  gap: 15px;
}
.menu-toggle {
  display: none;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  column-gap: 38px;
  padding-top: 76px;
  align-items: center;
  position: relative;
}
.hero-copy {
  padding-bottom: 25px;
}
.hero h1 {
  font-size: clamp(48px, 5.05vw, 72px);
  line-height: 1.3;
  letter-spacing: -0.06em;
  margin-top: 26px;
  margin-bottom: 25px;
}
.hero h1 > span {
  background: linear-gradient(115deg, #1d1d1f 12%, #777780 105%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-description {
  font-size: 21px;
  line-height: 1.8;
  color: #69696f;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 34px;
}
.hero-note {
  margin-top: 40px;
  font-size: 13px;
  color: #85858b;
  letter-spacing: 0.12em;
}
.hero-note span {
  margin: 0 12px;
  color: #b4b4ba;
}
.hero-portrait {
  height: 530px;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #bcbcc3;
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-position: 50% 33%;
  filter: grayscale(1);
}
.hero-portrait:after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
  pointer-events: none;
}
.portrait-caption {
  position: absolute;
  bottom: 28px;
  left: 28px;
  right: 20px;
  color: #fff;
  z-index: 1;
  display: grid;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.03em;
}
.portrait-name {
  font-size: 25px;
  display: flex;
  align-items: center;
  gap: 13px;
}
.portrait-name small {
  font-size: 10px;
  letter-spacing: 0.22em;
  opacity: 0.65;
}
.portrait-index {
  position: absolute;
  right: 19px;
  top: 23px;
  text-align: right;
  color: rgba(255, 255, 255, 0.75);
  font-size: 9px;
  line-height: 1.7;
  letter-spacing: 0.15em;
}
.hero-bottom {
  grid-column: 1/-1;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  margin-top: 54px;
  padding: 24px 0;
  font-size: 12px;
  color: #77777f;
}
.hero-bottom a {
  display: flex;
  gap: 22px;
}
.hero-bottom a span {
  font-size: 18px;
}
.mindset {
  background: #fff;
  margin-top: 20px;
}
.formula {
  display: flex;
  gap: 50px;
  align-items: center;
  padding: 56px 0 52px;
  position: relative;
}
.formula > div {
  display: flex;
  align-items: baseline;
  gap: 15px;
}
.formula strong {
  font-weight: 550;
  font-size: 100px;
  line-height: 1.1;
  letter-spacing: -0.06em;
}
.formula > div > span {
  font-size: 16px;
  color: #717179;
}
.operator {
  font-size: 36px;
  color: #c4c4cc;
  font-weight: 300;
}
.formula-result {
  position: absolute;
  right: 0;
  bottom: 63px;
  font-size: 14px;
  color: #77777f;
}
.roles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 35px;
  gap: 30px;
}
.roles h3 {
  font-size: 25px;
  margin: 13px 0 12px;
  letter-spacing: -0.02em;
}
.roles p {
  color: var(--muted);
  font-size: 15px;
}
@media (min-width: 1600px) {
  .hero {
    padding-top: 90px;
  }
  .hero-portrait {
    height: 580px;
  }
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .nav-links {
    gap: 20px;
    margin-right: 0;
  }
  .hero {
    column-gap: 20px;
    padding-top: 50px;
  }
  .hero-portrait {
    height: 480px;
  }
  .hero-actions {
    gap: 18px;
    flex-wrap: wrap;
  }
  .hero h1 {
    font-size: 5.15vw;
  }
  .formula {
    gap: 28px;
  }
  .formula-result {
    position: static;
    align-self: flex-end;
    margin-bottom: 15px;
  }
  .formula strong {
    font-size: 84px;
  }
  .formula > div {
    gap: 10px;
  }
  .formula > div > span {
    font-size: 14px;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .section {
    padding: 78px 0;
  }
  .nav {
    height: 64px;
    gap: 15px;
  }
  .brand {
    font-size: 20px;
  }
  .brand-ai {
    font-size: 24px;
  }
  .nav-cta {
    margin-left: auto;
    font-size: 12px;
    gap: 12px;
    min-height: 34px;
    padding: 6px 13px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: none;
    border: 0;
    padding: 10px;
    width: 36px;
    height: 42px;
  }
  .menu-toggle span {
    width: 19px;
    height: 1px;
    background: var(--ink);
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #f5f5f7;
    padding: 15px 24px 30px;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }
  .nav-links.is-open {
    display: flex;
  }
  .nav-links a {
    padding: 15px 0;
    font-size: 18px;
  }
  .hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-top: 40px;
  }
  .hero-copy {
    padding: 0;
  }
  .hero .eyebrow {
    font-size: 11px;
    gap: 9px;
    letter-spacing: 0.03em;
  }
  .hero h1 {
    font-size: clamp(36px, 8.8vw, 60px);
    letter-spacing: -0.065em;
    line-height: 1.38;
    margin: 22px 0;
  }
  .hero-description {
    font-size: 17px;
  }
  .hero-description br {
    display: none;
  }
  .hero-actions {
    gap: 20px;
    margin-top: 26px;
  }
  .hero-actions .button {
    font-size: 14px;
    padding: 11px 18px;
    gap: 14px;
  }
  .hero-actions .text-link {
    font-size: 13px;
    gap: 6px;
  }
  .hero-note {
    margin-top: 26px;
    font-size: 11px;
  }
  .hero-portrait {
    height: 430px;
    width: 100%;
    margin-top: 30px;
    border-radius: 24px;
  }
  .hero-portrait img {
    object-position: 50% 29%;
  }
  .hero-bottom {
    margin-top: 28px;
    padding: 21px 0;
    font-size: 11px;
    gap: 20px;
    align-items: center;
  }
  .hero-bottom > a {
    white-space: nowrap;
    gap: 8px;
  }
  .hero-bottom > span {
    max-width: 220px;
    line-height: 1.8;
  }
  .mindset {
    margin-top: 0;
  }
  h2 {
    font-size: 34px;
    letter-spacing: -0.045em;
  }
  .eyebrow {
    font-size: 12px;
  }
  .section-intro {
    font-size: 16px;
    margin-top: 20px;
  }
  .formula {
    gap: 14px;
    flex-wrap: wrap;
    padding: 36px 0;
    justify-content: space-between;
  }
  .formula > div {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .formula strong {
    font-size: 70px;
  }
  .formula > div > span {
    font-size: 12px;
  }
  .operator {
    font-size: 25px;
  }
  .formula-result {
    flex-basis: 100%;
    text-align: center;
    margin: 20px 0 0;
    font-size: 13px;
  }
  .roles {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
  }
  .roles article + article {
    border-top: 1px solid #ededf0;
    padding-top: 24px;
  }
  .roles h3 {
    font-size: 23px;
    margin-top: 10px;
  }
  .roles p {
    font-size: 15px;
  }
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 54px;
}
.section-heading .section-intro {
  font-size: 16px;
  max-width: 400px;
  margin: 0 0 4px;
}
.system-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.system-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px 24px 0;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}
.system-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px #00000006;
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.card-top > span {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #7c7c83;
}
.card-top svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: #6b6b73;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.system-card h3 {
  font-size: 27px;
  letter-spacing: -0.04em;
}
.system-card > p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 14px;
}
.system-card .system-question {
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  margin-top: 13px;
}
.system-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 26px;
  min-height: 53px;
  align-content: start;
}
.system-tags span {
  font-size: 11px;
  border-bottom: 1px solid #dedee5;
  padding-bottom: 6px;
  color: #85858a;
}
.system-outcome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #ededf0;
  padding: 20px 0;
  font-size: 12px;
  margin-top: 16px;
}
.system-outcome > span:last-child {
  font-size: 19px;
  color: #a0a0a8;
}
.loop-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  font-size: 13px;
  margin-top: 38px;
  color: #88888f;
}
.loop-note strong {
  font-weight: 500;
  color: #4b4b51;
}
.loop-note > span:nth-child(even) {
  color: #b4b4bc;
}
.programs {
  background: white;
}
.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}
.program-card {
  background: #f5f5f7;
  border-radius: var(--radius);
  padding: 29px 27px 27px;
  position: relative;
  border: 1px solid transparent;
}
.program-card.featured {
  background: linear-gradient(140deg, #f0f2f5, #f6f6f8);
  border-color: #dadde3;
}
.program-label {
  font-size: 11px;
  color: #7f7f86;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 26px;
}
.badge {
  font-size: 10px;
  color: #606068;
  background: #e8e8ed;
  padding: 5px 8px;
  border-radius: 30px;
  white-space: nowrap;
}
.program-card h3 {
  font-size: 24px;
  letter-spacing: -0.04em;
  margin-top: 26px;
}
.program-promise {
  font-size: 15px;
  color: #73737a;
  margin-top: 9px;
}
.price {
  display: flex;
  align-items: baseline;
  font-size: 48px;
  letter-spacing: -0.04em;
  font-weight: 550;
  margin: 25px 0 16px;
  line-height: 1.2;
  gap: 3px;
  white-space: nowrap;
}
.price > span {
  font-size: 22px;
  align-self: flex-start;
  margin-top: 7px;
  font-weight: 500;
}
.price > small {
  font-size: 12px;
  letter-spacing: 0;
  color: #898991;
  font-weight: 400;
  margin-left: 6px;
}
.program-for {
  font-size: 13px;
  color: #75757b;
  margin-bottom: 25px;
}
.check-list {
  margin: 0;
  padding: 24px 0 9px;
  list-style: none;
  border-top: 1px solid #dcdce2;
  min-height: 140px;
}
.check-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 13px;
}
.check-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #85858b;
  font-size: 12px;
}
.program-details {
  border-top: 1px solid #dcdce2;
  margin: 4px 0 22px;
}
.program-details summary,
.co-accordions summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  cursor: pointer;
  padding: 18px 0;
  font-size: 13px;
}
.program-details summary::-webkit-details-marker,
.co-accordions summary::-webkit-details-marker {
  display: none;
}
.program-details summary > span,
.co-accordions summary > span {
  font-size: 21px;
  font-weight: 300;
  transition: transform 0.2s;
}
details[open] > summary > span {
  transform: rotate(45deg);
}
.program-details p {
  font-size: 13px;
  color: #76767c;
  padding-bottom: 18px;
  line-height: 1.9;
}
.program-card > .button {
  width: 100%;
  min-height: 46px;
  justify-content: space-between;
  font-size: 13px;
  padding-inline: 20px;
}
.program-footnote {
  color: #85858c;
  font-size: 13px;
  text-align: center;
  margin-top: 36px;
}
.program-footnote span {
  color: #4f4f56;
  margin-left: 10px;
}
.cocreate {
  background: #111113;
  color: #f5f5f7;
  position: relative;
  overflow: hidden;
}
.cocreate:before {
  content: "";
  position: absolute;
  pointer-events: none;
  top: -380px;
  right: -280px;
  width: 900px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(ellipse, #34343d70, transparent 65%);
}
.cocreate .wrap {
  position: relative;
}
.cocreate-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 34px;
}
.cocreate-top .eyebrow {
  margin: 0;
  color: #a0a0aa;
  font-size: 12px;
}
.dark-badge {
  border: 1px solid #39393f;
  border-radius: 30px;
  font-size: 11px;
  padding: 7px 13px;
  color: #b8b8c1;
}
.cocreate-lead {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 70px;
  align-items: center;
}
.cocreate h2 {
  font-size: clamp(34px, 3.6vw, 50px);
  line-height: 1.4;
}
.cocreate h2 span {
  color: #8c8c96;
}
.cocreate .section-intro {
  font-size: 17px;
  color: #92929d;
  margin-top: 25px;
}
.cocreate-pricing {
  padding: 15px 0 10px 55px;
  border-left: 1px solid #36363d;
}
.cocreate-pricing > .tiny-label {
  color: #92929d;
  font-size: 13px;
  letter-spacing: 0.05em;
}
.co-price {
  display: flex;
  font-size: 68px;
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.5;
  gap: 6px;
}
.co-price > span {
  font-size: 30px;
  margin-top: 13px;
}
.commission {
  color: #b9b9c1;
  font-size: 15px;
  margin-top: 0;
}
.commission strong {
  font-size: 24px;
  color: #f5f5f7;
  font-weight: 500;
  margin: 0 6px;
}
.pricing-note {
  font-size: 11px;
  color: #82828e;
  margin-top: 12px;
}
.button-white {
  background: #f5f5f7;
  border-color: #f5f5f7;
  color: #1d1d1f;
}
.button-white:hover {
  background: #dcdce4;
}
.cocreate-pricing .button {
  margin-top: 28px;
  font-size: 14px;
}
.co-stages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  padding: 55px 0 44px;
  margin-top: 54px;
  border-top: 1px solid #333339;
  border-bottom: 1px solid #333339;
}
.stage-number {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.03em;
  color: #c7c7d1;
  line-height: 1;
}
.co-stages h3 {
  font-size: 21px;
  margin: 22px 0 12px;
}
.co-stages p {
  font-size: 14px;
  color: #94949f;
  max-width: 310px;
  line-height: 1.9;
}
.co-rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 85px;
  margin-top: 40px;
}
.co-responsibility h3 {
  font-size: 19px;
  margin-bottom: 16px;
}
.co-responsibility p {
  font-size: 14px;
  color: #94949f;
}
.co-responsibility > span {
  display: block;
  font-size: 12px;
  color: #b2b2bb;
  margin-top: 19px;
}
.co-accordions details {
  border-bottom: 1px solid #333339;
}
.co-accordions summary {
  font-size: 14px;
  padding: 18px 0;
}
.co-accordions summary > span {
  color: #8d8d99;
}
.co-accordions p {
  color: #a4a4ad;
  font-size: 13px;
  padding: 0 0 22px;
  line-height: 1.9;
}
.about {
  background: white;
}
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 100px;
  align-items: center;
}
.about-photo {
  height: 585px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background: #b9b7bf;
}
.about-photo img {
  height: 100%;
  width: 100%;
  object-position: 50% 35%;
}
.about-photo:after {
  content: "";
  position: absolute;
  inset: 70% 0 0;
  background: linear-gradient(transparent, #0009);
  pointer-events: none;
}
.about-photo figcaption {
  position: absolute;
  bottom: 26px;
  left: 26px;
  right: 20px;
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.2em;
  z-index: 1;
  display: flex;
  gap: 18px;
  align-items: center;
}
.about-photo figcaption span {
  font-size: 10px;
  letter-spacing: 0;
  opacity: 0.8;
}
.about-copy h2 {
  font-size: 48px;
}
.about-statement {
  font-size: 22px;
  font-weight: 500;
  margin: 28px 0 20px;
  line-height: 1.8;
  letter-spacing: -0.02em;
}
.about-description {
  font-size: 15px;
  color: #7d7d85;
  max-width: 490px;
}
.credentials {
  display: grid;
  gap: 11px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #e3e3e7;
  font-size: 14px;
  color: #595960;
}
.education {
  font-size: 12px;
  color: #9a9aa1;
  margin-top: 22px;
}
.education span {
  margin-left: 14px;
  color: #777780;
}
.about-copy .text-link {
  margin-top: 30px;
  font-size: 14px;
}
.method {
  background: #f5f5f7;
}
.method-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 45px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.method-steps li {
  border-top: 1px solid #d9d9e0;
  padding-top: 28px;
}
.method-number {
  font-size: 54px;
  font-weight: 500;
  letter-spacing: -0.07em;
  color: #b0b0b8;
}
.method-steps h3 {
  font-size: 26px;
  margin: 20px 0 17px;
  letter-spacing: -0.04em;
}
.method-steps p {
  font-size: 15px;
  color: #777780;
}
.method-key {
  font-size: 12px;
  color: #92929b;
  display: block;
  margin-top: 27px;
}
.method-bottom {
  font-size: 18px;
  text-align: center;
  margin-top: 64px;
  padding-top: 35px;
  border-top: 1px solid #dddde3;
  color: #888892;
}
.method-bottom strong {
  color: #33333a;
  font-weight: 500;
}
.vision {
  text-align: center;
  background: white;
}
.vision .eyebrow {
  justify-content: center;
}
.vision h2 {
  font-size: clamp(40px, 4.8vw, 64px);
  line-height: 1.35;
  background: linear-gradient(145deg, #1d1d1f 35%, #aaaab2);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.vision p:not(.eyebrow) {
  margin-top: 30px;
  color: #8a8a92;
  font-size: 16px;
  line-height: 2;
}
.vision-values {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 35px;
  font-size: 13px;
  color: #66666e;
}
.vision-values span + span {
  border-left: 1px solid #d7d7de;
  padding-left: 40px;
}
.contact {
  padding-top: 95px;
  padding-bottom: 95px;
  background: #ececf0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 100px;
  align-items: center;
}
.contact h2 {
  font-size: 48px;
}
.contact .section-intro {
  font-size: 16px;
}
.contact .button {
  margin-top: 28px;
  font-size: 14px;
}
.contact-card {
  background: #ffffff9c;
  border: 1px solid #fff;
  border-radius: 24px;
  padding: 34px;
  box-shadow: 0 8px 36px #00000003;
}
.contact-wechat {
  margin-top: 26px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.contact-wechat > span {
  font-size: 13px;
  color: #888891;
}
.contact-wechat > strong {
  font-size: 31px;
  font-weight: 550;
  letter-spacing: -0.03em;
}
.copy-button {
  margin-left: auto;
  border: 1px solid #d5d5dc;
  background: transparent;
  padding: 9px 11px;
  border-radius: 30px;
  font-size: 11px;
  color: #60606a;
}
.copy-button:hover {
  background: #eaeaef;
}
.contact-channels {
  border-top: 1px solid #dcdce2;
  margin-top: 23px;
  padding-top: 17px;
}
.contact-channels p {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  line-height: 2.7;
}
.contact-channels p > span {
  color: #8a8a93;
}
.contact-channels strong {
  font-weight: 500;
}
.contact-hint {
  font-size: 11px;
  color: #91919a;
  margin-top: 18px;
}
.footer {
  padding: 38px 0 25px;
  background: #ececf0;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 30px;
  padding-bottom: 26px;
  border-bottom: 1px solid #d7d7df;
}
.footer-top .brand {
  font-size: 18px;
}
.footer-top .brand-ai {
  font-size: 23px;
}
.footer-top p {
  color: #898992;
  font-size: 12px;
}
.back-top {
  margin-left: auto;
  font-size: 12px;
  color: #5d5d66;
  display: flex;
  gap: 14px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 21px;
  color: #93939c;
  font-size: 10px;
}
.footer-bottom > span:last-child {
  letter-spacing: 0.02em;
}
dialog {
  border: 1px solid #fff;
  border-radius: 28px;
  padding: 40px;
  max-width: 480px;
  width: calc(100% - 36px);
  max-height: calc(100dvh - 40px);
  color: var(--ink);
  background: #fbfbfd;
  box-shadow: 0 30px 140px #0003;
  overflow: auto;
}
dialog::backdrop {
  background: #14141966;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 0;
  background: #ededf1;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 25px;
  line-height: 1;
  color: #75757d;
}
.dialog-eyebrow {
  font-size: 12px;
  color: #8c8c94;
}
dialog h2 {
  font-size: 27px;
  margin-top: 17px;
  letter-spacing: -0.04em;
  padding-right: 12px;
}
#dialog-description {
  font-size: 14px;
  color: #787882;
  margin-top: 14px;
  line-height: 1.9;
}
.dialog-wechat {
  margin-top: 28px;
  padding: 23px;
  border: 1px solid #dddde5;
  border-radius: 18px;
  display: grid;
  gap: 8px;
  text-align: center;
}
.dialog-wechat > span {
  font-size: 12px;
  color: #8c8c95;
}
.dialog-wechat > strong {
  font-size: 32px;
  font-weight: 550;
  letter-spacing: -0.03em;
}
.dialog-wechat > .button {
  min-height: 44px;
  margin-top: 10px;
  font-size: 14px;
}
.dialog-preparation {
  margin-top: 24px;
}
.dialog-preparation h3 {
  font-size: 13px;
  font-weight: 500;
}
.dialog-preparation p {
  font-size: 13px;
  line-height: 1.9;
  color: #777781;
  margin-top: 10px;
}
.dialog-note {
  font-size: 11px;
  color: #94949c;
  margin-top: 22px;
}
.toast {
  position: fixed;
  z-index: 100;
  bottom: 25px;
  left: 50%;
  transform: translate(-50%, 15px);
  opacity: 0;
  pointer-events: none;
  background: #26262eef;
  color: #fff;
  border: 1px solid #ffffff22;
  border-radius: 18px;
  box-shadow: 0 10px 30px #0002;
  padding: 14px 22px;
  font-size: 14px;
  line-height: 1.6;
  max-width: calc(100% - 40px);
  width: max-content;
  transition:
    opacity 0.25s,
    transform 0.25s;
}
.toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}
.reveal {
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
}
.reveal.pending {
  opacity: 0;
  transform: translateY(22px);
}
.is-modal-open {
  overflow: hidden;
}
@media (max-width: 1100px) {
  .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .system-card {
    padding: 28px 28px 0;
  }
  .system-tags {
    min-height: 0;
  }
  .system-card > p {
    font-size: 15px;
  }
  .section-heading {
    gap: 30px;
  }
  .section-heading .section-intro {
    font-size: 14px;
  }
  .program-grid {
    gap: 14px;
  }
  .program-card {
    padding: 24px 20px;
  }
  .program-card h3 {
    font-size: 20px;
  }
  .program-label {
    font-size: 10px;
    flex-wrap: wrap;
  }
  .price {
    font-size: 40px;
  }
  .price > small {
    font-size: 10px;
  }
  .program-promise {
    font-size: 13px;
  }
  .program-for {
    font-size: 12px;
    min-height: 44px;
  }
  .check-list {
    min-height: 180px;
  }
  .check-list li {
    font-size: 12px;
  }
  .co-price {
    font-size: 57px;
  }
  .cocreate-lead {
    gap: 30px;
  }
  .cocreate-pricing {
    padding-left: 30px;
  }
  .co-rules {
    gap: 45px;
  }
  .about-grid {
    gap: 55px;
  }
  .about-photo {
    height: 560px;
  }
  .about-copy h2 {
    font-size: 40px;
  }
  .about-statement {
    font-size: 19px;
  }
  .method-steps {
    gap: 27px;
  }
  .method-steps h3 {
    font-size: 22px;
  }
  .contact-grid {
    gap: 45px;
  }
  .contact-card {
    padding: 26px;
  }
  .contact-wechat > strong {
    font-size: 29px;
  }
  .copy-button {
    margin-left: 0;
  }
  .formula-result {
    font-size: 12px;
  }
}
@media (max-width: 760px) {
  .section-heading {
    display: block;
    margin-bottom: 32px;
  }
  .section-heading .section-intro {
    font-size: 15px;
    margin-top: 22px;
  }
  .system-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .system-card {
    padding: 25px 25px 0;
  }
  .card-top {
    margin-bottom: 18px;
  }
  .card-top > span {
    font-size: 11px;
  }
  .system-card h3 {
    font-size: 27px;
  }
  .system-card > p {
    font-size: 15px;
    margin-top: 12px;
  }
  .system-tags {
    margin-top: 24px;
    gap: 14px;
  }
  .system-tags span {
    font-size: 12px;
  }
  .system-outcome {
    font-size: 13px;
    margin-top: 12px;
    padding: 18px 0;
  }
  .loop-note {
    flex-wrap: wrap;
    gap: 11px;
    font-size: 12px;
    margin-top: 30px;
    line-height: 2;
  }
  .loop-note strong {
    order: -1;
    flex-basis: 100%;
    text-align: center;
  }
  .loop-note > span:nth-child(2) {
    display: none;
  }
  .program-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .program-card {
    padding: 27px;
  }
  .program-label {
    font-size: 11px;
    flex-wrap: nowrap;
  }
  .badge {
    font-size: 10px;
  }
  .program-card h3 {
    font-size: 26px;
    margin-top: 23px;
  }
  .program-promise {
    font-size: 15px;
  }
  .price {
    font-size: 49px;
    margin: 24px 0 17px;
  }
  .price > small {
    font-size: 12px;
  }
  .program-for {
    font-size: 14px;
    min-height: 0;
  }
  .check-list {
    min-height: 0;
    padding: 21px 0 10px;
  }
  .check-list li {
    font-size: 14px;
    line-height: 1.8;
  }
  .program-details summary {
    font-size: 14px;
  }
  .program-details p {
    font-size: 14px;
  }
  .program-card > .button {
    font-size: 14px;
    min-height: 48px;
  }
  .program-footnote {
    font-size: 13px;
    text-align: left;
    margin-top: 26px;
    line-height: 2;
  }
  .program-footnote span {
    display: block;
    margin: 3px 0 0;
  }
  .cocreate-top {
    align-items: flex-start;
    gap: 20px;
    flex-direction: column;
    margin-bottom: 28px;
  }
  .cocreate-top .eyebrow {
    font-size: 11px;
    margin: 0;
  }
  .dark-badge {
    font-size: 10px;
  }
  .cocreate-lead {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .cocreate h2 {
    font-size: 32px;
    line-height: 1.45;
    letter-spacing: -0.05em;
  }
  .cocreate .section-intro {
    font-size: 15px;
    line-height: 2;
  }
  .cocreate-pricing {
    padding: 26px 0 0;
    border-left: 0;
    border-top: 1px solid #34343d;
  }
  .co-price {
    font-size: 64px;
  }
  .co-price > span {
    font-size: 27px;
    margin-top: 15px;
  }
  .commission {
    font-size: 14px;
  }
  .pricing-note {
    font-size: 11px;
  }
  .co-stages {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
    padding: 36px 0;
  }
  .co-stages article + article {
    padding-top: 30px;
    border-top: 1px solid #2c2c34;
  }
  .stage-number {
    font-size: 31px;
  }
  .co-stages h3 {
    font-size: 22px;
    margin-top: 15px;
  }
  .co-stages p {
    font-size: 15px;
    max-width: none;
  }
  .co-rules {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 32px;
  }
  .co-responsibility p {
    font-size: 15px;
  }
  .co-responsibility > span {
    font-size: 12px;
    line-height: 1.9;
  }
  .co-accordions summary {
    font-size: 14px;
    line-height: 1.7;
  }
  .co-accordions p {
    font-size: 14px;
  }
  .about-grid {
    display: flex;
    flex-direction: column;
    gap: 35px;
    align-items: stretch;
  }
  .about-photo {
    height: 440px;
    border-radius: 24px;
  }
  .about-photo img {
    object-position: 50% 30%;
  }
  .about-photo figcaption {
    font-size: 12px;
    left: 24px;
  }
  .about-photo figcaption span {
    font-size: 10px;
  }
  .about-copy h2 {
    font-size: 37px;
  }
  .about-statement {
    font-size: 19px;
    margin-top: 22px;
  }
  .about-description {
    font-size: 15px;
  }
  .credentials {
    font-size: 14px;
    gap: 14px;
  }
  .education {
    font-size: 11px;
  }
  .education span {
    margin-left: 10px;
  }
  .method-steps {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .method-steps li {
    position: relative;
    padding: 24px 0 0 64px;
    min-height: 175px;
  }
  .method-number {
    position: absolute;
    left: 0;
    top: 25px;
    font-size: 38px;
  }
  .method-steps h3 {
    font-size: 23px;
    margin: 6px 0 14px;
  }
  .method-steps p {
    font-size: 14px;
  }
  .method-key {
    margin-top: 18px;
    font-size: 11px;
  }
  .method-bottom {
    margin-top: 35px;
    padding-top: 30px;
    font-size: 16px;
    line-height: 1.9;
  }
  .method-bottom strong {
    display: block;
  }
  .vision h2 {
    font-size: 37px;
    line-height: 1.45;
  }
  .vision p:not(.eyebrow) {
    font-size: 15px;
    margin-top: 24px;
  }
  .vision-values {
    gap: 21px;
    font-size: 12px;
  }
  .vision-values span + span {
    padding-left: 21px;
  }
  .desktop-break {
    display: none;
  }
  .contact {
    padding: 72px 0;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .contact h2 {
    font-size: 39px;
  }
  .contact .section-intro {
    font-size: 15px;
  }
  .contact .button {
    font-size: 13px;
  }
  .contact-card {
    padding: 27px 24px;
  }
  .contact-wechat > strong {
    font-size: 30px;
  }
  .copy-button {
    margin-left: auto;
  }
  .contact-channels p {
    font-size: 14px;
  }
  .contact-hint {
    font-size: 11px;
  }
  .footer {
    padding: 6px 0 25px;
  }
  .footer-top {
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
    padding-bottom: 22px;
  }
  .footer-top p {
    order: 3;
    flex-basis: 100%;
    font-size: 11px;
  }
  .back-top {
    font-size: 12px;
  }
  .footer-bottom {
    font-size: 10px;
    flex-direction: column;
    gap: 13px;
    line-height: 1.8;
  }
  .footer-bottom > span:last-child {
    font-size: 11px;
  }
  dialog {
    padding: 33px 24px 27px;
    border-radius: 24px;
  }
  dialog h2 {
    font-size: 24px;
  }
  .dialog-wechat {
    padding: 20px;
  }
  .toast {
    font-size: 13px;
    bottom: 18px;
  }
}
@media (min-width: 560px) and (max-width: 760px) {
  .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-portrait {
    height: 560px;
  }
  .about-photo {
    height: 600px;
  }
  .method-steps li {
    min-height: 170px;
  }
}
@media (max-width: 360px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .hero-actions {
    gap: 14px;
  }
  .hero-actions .text-link {
    font-size: 12px;
  }
  .nav-cta {
    font-size: 11px;
    padding: 5px 10px;
  }
  .hero h1 {
    font-size: 8.5vw;
  }
  .hero-portrait {
    height: 385px;
  }
  .cocreate h2 {
    font-size: 29px;
  }
  .program-card {
    padding: 24px;
  }
  .contact-wechat {
    gap: 10px;
  }
  .contact-wechat > strong {
    font-size: 27px;
  }
  .copy-button {
    font-size: 10px;
    padding: 8px;
  }
}
.hero-portrait img,
.about-photo img {
  object-position: 50% 10%;
}
.hero-bottom,
.hero-note,
.hero .eyebrow,
.tiny-label,
.portrait-caption,
.portrait-name small,
.portrait-index,
.card-top > span,
.system-tags span,
.system-outcome,
.program-label,
.badge,
.program-for,
.price > small,
.dark-badge,
.cocreate-top .eyebrow,
.pricing-note,
.co-responsibility > span,
.about-photo figcaption span,
.education,
.method-key,
.contact-hint,
.copy-button,
.dialog-note,
.footer-top p,
.footer-bottom {
  font-size: max(12px, 0.75rem);
}
.roles p,
.system-card > p,
.check-list li,
.co-stages p,
.co-responsibility p,
.about-description,
.method-steps p {
  font-size: 1rem;
}
.program-details summary,
.program-details p,
.co-accordions p,
.contact-channels p,
.dialog-preparation p {
  font-size: 0.875rem;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .reveal.pending {
    opacity: 1;
    transform: none;
  }
}