:root {
  --deep: #081f51;
  --deep-ink: #041b42;
  --blue: #3072df;
  --blue-text: #2a65c8;
  --ink: #192538;
  --muted: #657087;
  --fog: #f4f7fb;
  --paper: #fcfdff;
  --white: #ffffff;
  --line: #d7e0ed;
  --content: 720px;
  --wide: 1120px;
  --page-progress: 0%;
}

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

html {
  max-width: 100%;
  scroll-behavior: smooth;
  background: var(--deep);
}

body {
  margin: 0;
  max-width: 100%;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.78;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--deep);
}

::selection {
  color: var(--white);
  background: var(--blue);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-180%);
  color: var(--white);
  background: var(--deep);
}

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

body.language-gate-open {
  overflow: hidden;
}

.language-gate[hidden],
.language-switcher[hidden] {
  display: none !important;
}

.language-gate {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  overflow-y: auto;
  color: var(--white);
  background: #03163a;
  animation: language-gate-enter 320ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.language-gate.is-leaving {
  pointer-events: none;
  animation: language-gate-leave 240ms cubic-bezier(0.4, 0, 1, 1) both;
}

.language-gate__panel {
  position: relative;
  isolation: isolate;
  width: min(100%, 430px);
  min-height: 100vh;
  min-height: 100svh;
  padding:
    max(26px, env(safe-area-inset-top))
    max(22px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom))
    max(22px, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--deep);
}

.language-gate__panel::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -1px;
  background: var(--fog);
  clip-path: polygon(88% 0, 100% 0, 100% 100%, 45% 100%, 78% 62%);
}

.language-gate__panel::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 77.5%;
  width: 1px;
  opacity: 0.34;
  background: var(--blue);
  transform: rotate(28deg) translateY(-9%);
  transform-origin: top;
}

.language-gate__mast {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 8px;
  font-weight: 760;
  line-height: 1.4;
  letter-spacing: 0.12em;
}

.language-gate__mast span:first-child {
  max-width: 24em;
}

.language-gate__mast span:last-child {
  color: var(--blue-text);
  text-align: right;
}

.language-gate__mark {
  align-self: flex-end;
  margin-top: clamp(60px, 12vh, 105px);
  color: var(--blue-text);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(34px, 11vw, 48px);
  font-weight: 790;
  line-height: 1;
  letter-spacing: -0.07em;
}

.language-gate__eyebrow {
  margin: clamp(58px, 11vh, 96px) 0 11px;
  color: #a9c7ff;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.language-gate h2 {
  width: min(88%, 330px);
  margin: 0;
  font-size: clamp(30px, 8.8vw, 39px);
  font-weight: 780;
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.language-gate h2 span {
  display: block;
}

.language-gate h2 span[lang="en"] {
  margin-top: 10px;
  color: #a9c7ff;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.48em;
  font-weight: 660;
  letter-spacing: -0.025em;
}

.language-gate__description {
  width: min(78%, 288px);
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.65;
}

.language-gate__description span {
  display: block;
}

.language-gate__description span[lang="en"] {
  margin-top: 4px;
  font-size: 11px;
}

.language-gate__choices {
  margin-top: auto;
  padding-top: 42px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.language-gate__choices button {
  min-height: 100px;
  padding: 17px 15px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  color: var(--white);
  background: rgba(8, 31, 81, 0.9);
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.language-gate__choices button.is-recommended {
  color: var(--deep);
  border-color: var(--white);
  background: var(--white);
}

.language-gate__choice-main {
  font-size: 19px;
  font-weight: 760;
  line-height: 1.2;
}

.language-gate__choice-meta {
  opacity: 0.65;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  font-weight: 680;
  letter-spacing: 0.06em;
}

.language-gate__note {
  margin: 13px 0 0;
  color: var(--deep);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-align: right;
}

.language-switcher {
  position: fixed;
  z-index: 45;
  bottom: max(18px, env(safe-area-inset-bottom));
  left: max(14px, env(safe-area-inset-left));
  width: 46px;
  min-width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: rgba(8, 31, 81, 0.92);
  box-shadow: 0 8px 24px rgba(4, 27, 66, 0.2);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  font-weight: 790;
  line-height: 1;
  letter-spacing: 0.06em;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.js .language-switcher:not([hidden]) {
  display: inline-flex;
}

.language-gate__choices button:active,
.language-switcher:active {
  transform: scale(0.97);
}

@keyframes language-gate-enter {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes language-gate-leave {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

.page-gauge {
  position: fixed;
  z-index: 40;
  top: max(24px, env(safe-area-inset-top));
  right: max(7px, env(safe-area-inset-right));
  width: 22px;
  height: 96px;
  pointer-events: none;
  mix-blend-mode: multiply;
}

.page-gauge__section {
  display: block;
  color: var(--blue-text);
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
}

.page-gauge__track {
  position: absolute;
  top: 23px;
  right: 8px;
  width: 1px;
  height: 70px;
  background: rgba(8, 31, 81, 0.18);
}

.page-gauge__fill {
  position: absolute;
  inset: 0 0 auto;
  height: var(--page-progress);
  background: var(--blue);
}

.page-gauge__dot {
  position: absolute;
  top: var(--page-progress);
  left: 50%;
  width: 7px;
  height: 7px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(48, 114, 223, 0.14);
  transform: translate(-50%, -50%);
}

.hero {
  --hero-progress: 0;
  position: relative;
  min-height: max(760px, 100vh);
  min-height: max(760px, 100svh);
  overflow: clip;
  isolation: isolate;
  color: var(--white);
  background: var(--fog);
}

.hero__split-plane {
  position: absolute;
  z-index: -1;
  inset: -1px;
  background: var(--deep);
  clip-path: polygon(0 0, 62% 0, 49% 30%, 100% 59%, 100% 89%, 0 93%);
  transform: translate3d(calc(var(--hero-progress) * -7px), 0, 0);
  will-change: transform;
}

.hero__shell {
  position: relative;
  width: min(100%, 430px);
  min-height: max(760px, 100vh);
  min-height: max(760px, 100svh);
  margin: 0 auto;
  padding:
    max(24px, env(safe-area-inset-top))
    max(20px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(20px, env(safe-area-inset-left));
}

.hero__mast {
  position: absolute;
  z-index: 5;
  top: max(25px, env(safe-area-inset-top));
  right: 46px;
  left: 28px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 9px;
  font-weight: 750;
  line-height: 1.45;
  letter-spacing: 0.17em;
}

.hero__mast-brand {
  max-width: 17em;
  color: rgba(255, 255, 255, 0.92);
}

.hero__mast-role {
  color: var(--blue-text);
}

.hero__identity {
  position: absolute;
  z-index: 5;
  top: 94px;
  left: 28px;
  width: min(58%, 224px);
}

.hero__hello {
  margin: 0 0 7px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0;
  color: var(--white);
  font-weight: 790;
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.hero__name-cn,
.hero__name-en {
  display: block;
}

.hero__name-cn {
  font-size: clamp(55px, 16vw, 68px);
}

.hero__name-en {
  margin-top: 11px;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(27px, 7.8vw, 34px);
  font-weight: 680;
  letter-spacing: -0.04em;
}

.hero__role {
  margin: 18px 0 0;
  color: var(--white);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.45;
  white-space: normal;
}

.hero__manifesto {
  position: absolute;
  z-index: 6;
  top: 229px;
  right: 8px;
  width: 128px;
  color: var(--deep-ink);
}

.hero__manifesto p {
  margin: 0;
  font-size: clamp(24px, 6.8vw, 29px);
  font-weight: 790;
  line-height: 1.12;
  letter-spacing: -0.05em;
}

.hero__manifesto p span {
  display: inline-block;
  color: var(--blue-text);
  font-size: 0.84em;
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.hero__manifesto small {
  display: block;
  width: 108px;
  margin-top: 28px;
  margin-left: 16px;
  padding-top: 16px;
  border-top: 1px solid #b9c8db;
  color: #56657f;
  font-size: 10px;
  font-weight: 570;
  line-height: 1.65;
}

.hero__portrait {
  position: absolute;
  z-index: 2;
  top: 251px;
  bottom: 94px;
  left: 14px;
  width: 82%;
  margin: 0;
  overflow: hidden;
  background: transparent;
  transform: translate3d(0, calc(var(--hero-progress) * 15px), 0);
  will-change: transform;
}

.hero__portrait::after {
  content: none;
}

.hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 17%;
  filter: saturate(0.86) contrast(1.04);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 100%);
  transform: scale(1.035);
}

.hero__metric {
  position: absolute;
  z-index: 7;
  top: 422px;
  right: 14px;
  margin: 0;
  color: var(--deep);
}

.hero__metric strong {
  display: block;
  color: var(--blue-text);
  font-size: clamp(41px, 11.5vw, 50px);
  font-weight: 820;
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.hero__metric sup {
  font-size: 0.42em;
  vertical-align: super;
}

.hero__metric span {
  display: block;
  margin-top: 9px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  font-weight: 690;
  line-height: 1.42;
}

.hero__method-preview {
  position: absolute;
  z-index: 8;
  right: 20px;
  bottom: 146px;
  left: 20px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  color: rgba(255, 255, 255, 0.72);
}

.hero__method-preview::before {
  content: "";
  position: absolute;
  top: 5px;
  right: 6.5%;
  left: 6.5%;
  height: 1px;
  background: rgba(255, 255, 255, 0.38);
}

.hero__method-preview li {
  position: relative;
  min-width: 0;
  font-size: 9px;
  font-weight: 650;
  line-height: 1.25;
  text-align: center;
}

.hero__method-preview li::before {
  content: "";
  position: absolute;
  top: -17px;
  left: 50%;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 50%;
  background: var(--deep);
  transform: translateX(-50%);
}

.hero__method-preview li.is-current {
  color: var(--white);
}

.hero__method-preview li.is-current::before {
  border: 2px solid var(--white);
  background: var(--blue);
  box-shadow: 0 0 0 5px rgba(48, 114, 223, 0.3);
}

.hero__method-preview span {
  display: block;
  margin-bottom: 3px;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.scroll-cue {
  position: absolute;
  z-index: 9;
  right: 20px;
  bottom: max(9px, env(safe-area-inset-bottom));
  left: 20px;
  min-height: 78px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--deep);
  font-size: 16px;
  font-weight: 740;
  line-height: 1.25;
  text-decoration: none;
}

.scroll-cue::before {
  content: "";
  position: absolute;
  top: -25px;
  left: 50%;
  width: 1px;
  height: 31px;
  background: var(--blue);
}

.scroll-cue__arrow {
  margin-top: 2px;
  color: var(--blue-text);
  font-size: 24px;
  font-weight: 450;
}

.eyebrow {
  margin: 0 0 13px;
  color: var(--blue-text);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 11px;
  font-weight: 790;
  line-height: 1.35;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 96px max(22px, env(safe-area-inset-right)) 98px max(22px, env(safe-area-inset-left));
}

.section__head {
  position: relative;
  margin-bottom: 42px;
}

.section__number {
  position: absolute;
  z-index: 0;
  top: -43px;
  right: -2px;
  color: #eaf0f7;
  font-size: 86px;
  font-weight: 810;
  line-height: 1;
  letter-spacing: -0.08em;
  user-select: none;
}

.section__head > *:not(.section__number) {
  position: relative;
  z-index: 1;
}

.section h2,
.statement-section h2,
.essays h2,
.book h2,
.closing h2 {
  margin: 0;
  color: var(--deep);
  font-size: clamp(31px, 8.6vw, 46px);
  font-weight: 790;
  line-height: 1.18;
  letter-spacing: -0.05em;
}

.section__intro {
  max-width: 32em;
  margin: 17px 0 0;
  color: var(--muted);
}

.profile {
  background: var(--paper);
}

.profile__copy {
  display: grid;
  gap: 30px;
}

.profile__lead {
  margin: 0;
  color: var(--ink);
  font-size: clamp(21px, 5.9vw, 29px);
  font-weight: 540;
  line-height: 1.72;
  letter-spacing: -0.025em;
}

.profile__lead::first-letter {
  color: var(--blue-text);
  font-size: 1.72em;
  font-weight: 810;
  line-height: 0;
}

.profile__detail {
  display: grid;
  gap: 16px;
  max-width: 48rem;
}

.profile__detail p {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}

.statement-section {
  color: rgba(255, 255, 255, 0.8);
  background: var(--deep);
}

.statement-section__inner,
.essays__inner,
.book__inner,
.closing__inner {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding: 98px max(22px, env(safe-area-inset-right)) 102px max(22px, env(safe-area-inset-left));
}

.section__head--light .section__number,
.essays .section__number {
  color: rgba(255, 255, 255, 0.055);
}

.section__head--light .eyebrow,
.statement-section .eyebrow,
.essays .eyebrow {
  color: #9bbdff;
}

.statement-section h2,
.essays h2,
.closing h2 {
  color: var(--white);
}

.statement-section__copy {
  display: grid;
  gap: 18px;
}

.statement-section__copy p {
  margin: 0;
}

.statement-section__lead {
  color: var(--white);
  font-size: 23px;
  font-weight: 640;
  line-height: 1.62;
  letter-spacing: -0.02em;
}

.statement-section blockquote {
  position: relative;
  margin: 54px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.statement-section blockquote::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 74px;
  height: 3px;
  background: var(--blue);
}

.statement-section blockquote p {
  margin: 0;
  color: var(--white);
  font-size: clamp(34px, 9.5vw, 50px);
  font-weight: 790;
  line-height: 1.16;
  letter-spacing: -0.05em;
}

.statement-section cite {
  display: block;
  margin-top: 13px;
  color: #a9c6ff;
  font-size: 10px;
  font-style: normal;
  font-weight: 760;
  letter-spacing: 0.14em;
}

.work {
  width: min(100%, var(--wide));
}

.work__grid {
  border-top: 1px solid var(--line);
}

.work-card {
  position: relative;
  min-width: 0;
  padding: 27px 4px 30px;
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  column-gap: 14px;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.work-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 260ms ease;
}

.work-card__index {
  grid-row: span 2;
  padding-top: 5px;
  color: var(--blue-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.work-card h3 {
  margin: 0 0 9px;
  color: var(--deep);
  font-size: 23px;
  line-height: 1.32;
}

.work-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.method {
  width: 100%;
  max-width: none;
  padding-right: max(22px, calc((100% - var(--content)) / 2));
  padding-left: max(22px, calc((100% - var(--content)) / 2));
  background: var(--fog);
}

.method__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.method__list li {
  position: relative;
  min-width: 0;
  padding: 0 0 34px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 17px;
  opacity: 1;
  transition: opacity 220ms ease, transform 220ms ease;
}

.js .method__list li {
  opacity: 1;
}

.method__list li:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 44px;
  bottom: 0;
  left: 22px;
  width: 1px;
  background: #c7d3e4;
}

.method__list li.is-active,
.method__list li.is-complete {
  opacity: 1;
}

.method__list li.is-active {
  transform: translateX(4px);
}

.method__step {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  border: 1px solid #c7d3e4;
  border-radius: 50%;
  color: var(--blue-text);
  background: var(--paper);
  font-size: 10px;
  font-weight: 800;
  transition: color 220ms ease, background-color 220ms ease, box-shadow 220ms ease;
}

.method__list li.is-active .method__step {
  color: var(--white);
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 0 0 7px rgba(48, 114, 223, 0.12);
}

.method__list li.is-complete .method__step {
  color: var(--blue-text);
  border-color: #b8c9e4;
  background: #e6effd;
}

.method__list h3 {
  margin: 3px 0 5px;
  color: var(--deep);
  font-size: 20px;
  line-height: 1.45;
}

.method__list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.method__line {
  margin: 16px 0 0;
  padding: 20px 4px 20px 18px;
  border-left: 3px solid var(--blue);
  color: var(--deep);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  font-weight: 760;
  line-height: 1.8;
  letter-spacing: 0.015em;
}

.essays {
  color: rgba(255, 255, 255, 0.8);
  background: var(--deep);
}

.essays .section__intro {
  color: rgba(255, 255, 255, 0.72);
}

.filter-controls {
  display: none;
}

.js .filter-controls {
  margin: 0 -22px 31px;
  padding: 0 22px 9px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline proximity;
  scrollbar-width: none;
}

.filter-controls::-webkit-scrollbar {
  display: none;
}

.filter-controls button {
  min-height: 44px;
  padding: 0 15px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.77);
  background: transparent;
  font-size: 12px;
  font-weight: 680;
  line-height: 1.3;
  cursor: pointer;
  scroll-snap-align: start;
}

.filter-controls button[aria-pressed="true"] {
  color: var(--deep);
  border-color: var(--white);
  background: var(--white);
}

.essay-list {
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.essay {
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.essay[hidden] {
  display: none !important;
}

.essay summary {
  min-height: 145px;
  padding: 25px 1px 27px;
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr) 34px;
  gap: 12px;
  align-items: start;
  cursor: pointer;
  list-style: none;
}

.essay summary::-webkit-details-marker {
  display: none;
}

.essay__index {
  padding-top: 4px;
  color: #9bbdff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.essay__summary-copy {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.essay__meta {
  color: rgba(255, 255, 255, 0.61);
  font-size: 10px;
  font-weight: 670;
  line-height: 1.5;
  letter-spacing: 0.025em;
}

.essay__title {
  color: var(--white);
  font-size: 19px;
  font-weight: 750;
  line-height: 1.42;
  letter-spacing: -0.025em;
}

.essay__abstract {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  line-height: 1.68;
}

.essay__arrow {
  position: relative;
  min-width: 34px;
  min-height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 50%;
}

.essay__arrow::before {
  content: "+";
  color: #9bbdff;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  transition: transform 180ms ease;
}

.essay[open] {
  margin: 0 -22px;
  padding: 0 22px 8px;
  color: var(--ink);
  border-bottom-color: transparent;
  background: var(--white);
}

.essay[open] summary {
  border-bottom: 1px solid var(--line);
}

.essay[open] .essay__index,
.essay[open] .essay__meta {
  color: var(--blue-text);
}

.essay[open] .essay__title {
  color: var(--deep);
}

.essay[open] .essay__abstract {
  color: var(--muted);
}

.essay[open] .essay__arrow {
  border-color: #bdcbe0;
}

.essay[open] .essay__arrow::before {
  color: var(--blue-text);
  transform: rotate(45deg);
}

.essay__panel {
  transform-origin: top;
}

.essay[open] .essay__panel {
  animation: essay-enter 260ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes essay-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.essay__body {
  width: min(100%, 34em);
  margin: 0 auto 38px;
  padding: 34px 0 0;
  color: #27354a;
  font-size: 17px;
  line-height: 1.88;
}

.essay__body h3 {
  margin: 0 0 27px;
  color: var(--deep);
  font-size: 27px;
  line-height: 1.35;
  letter-spacing: -0.04em;
}

.essay__body h4 {
  margin: 42px 0 12px;
  color: var(--deep);
  font-size: 19px;
  line-height: 1.5;
}

.essay__body p {
  margin: 0 0 1em;
}

.essay__standfirst {
  color: var(--ink);
  font-size: 19px;
  font-weight: 580;
  line-height: 1.8;
}

.essay__closing {
  margin-top: 35px !important;
  padding: 20px 0 20px 18px;
  border-left: 4px solid var(--blue);
  color: var(--deep);
  font-size: 20px;
  font-weight: 750;
}

.essay__return {
  min-height: 44px;
  margin-top: 13px;
  display: inline-flex;
  align-items: center;
  color: var(--blue-text);
  font-size: 13px;
  font-weight: 720;
}

.essay-secondary-entry {
  width: 100%;
  min-height: 62px;
  margin-top: 22px;
  padding: 0 4px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  display: none;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  font-size: 13px;
  font-weight: 660;
  text-align: left;
  cursor: pointer;
}

.js .essay-secondary-entry:not([hidden]) {
  display: flex;
}

.about__copy {
  display: grid;
  gap: 18px;
}

.about__copy p {
  margin: 0;
}

.about__copy p:first-child {
  color: var(--deep);
  font-size: 21px;
  font-weight: 640;
}

.quote-grid {
  margin-top: 56px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.quote-card {
  margin: 0;
  padding: 28px 4px 30px;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.quote-card blockquote {
  margin: 0;
  color: var(--deep);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: 20px;
  font-weight: 730;
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.quote-card figcaption {
  margin-top: 15px;
  color: var(--muted);
  font-size: 14px;
}

.quote-card--primary {
  position: relative;
  padding: 34px 23px 36px;
  color: var(--white);
  border-bottom: 0;
  background: var(--blue);
}

.quote-card--primary blockquote,
.quote-card--primary figcaption {
  color: var(--white);
}

.book {
  color: rgba(255, 255, 255, 0.76);
  background: var(--deep);
}

.book__inner {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 25px;
  align-items: center;
}

.book__cover {
  margin: 0;
  transform: rotate(-2deg);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.36);
}

.book__copy {
  min-width: 0;
}

.book .eyebrow {
  color: #9bbdff;
}

.book h2 {
  color: var(--white);
  font-size: 29px;
}

.book__subtitle {
  margin: 8px 0 18px;
  color: #b9d0fa;
  font-size: 13px;
  font-weight: 670;
}

.book__copy > p:not(.eyebrow, .book__subtitle, .book__author) {
  margin: 0;
  font-size: 13px;
  line-height: 1.76;
}

.book__author {
  margin: 17px 0 0;
  color: var(--white);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.identity__list {
  border-top: 1px solid var(--line);
}

.identity__list p {
  min-height: 74px;
  margin: 0;
  padding: 18px 0;
  display: grid;
  grid-template-columns: 39px minmax(0, 1fr);
  align-items: center;
  border-bottom: 1px solid var(--line);
  color: var(--deep);
  font-size: 16px;
  font-weight: 660;
}

.identity__list span {
  color: var(--blue-text);
  font-size: 10px;
  font-weight: 800;
}

.identity__note {
  max-width: 48rem;
  margin: 28px 0 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}

.served {
  margin-top: 60px;
}

.served__label {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 770;
  letter-spacing: 0.1em;
}

.served ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.served li {
  min-width: 0;
  min-height: 78px;
  padding: 10px 6px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #435069;
  background: var(--fog);
  font-size: 12px;
  font-weight: 750;
  text-align: center;
  overflow-wrap: anywhere;
}

.closing {
  color: var(--white);
  background: var(--blue);
}

.closing .eyebrow,
.closing p:not(.eyebrow) {
  color: var(--white);
}

.closing p:not(.eyebrow) {
  max-width: 29em;
  margin: 23px 0 31px;
}

.button {
  width: fit-content;
  min-height: 53px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  gap: 25px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  color: var(--deep);
  background: var(--white);
  font-size: 14px;
  font-weight: 790;
  text-decoration: none;
}

.button span {
  color: var(--blue-text);
  font-size: 19px;
}

.footer {
  min-height: 92px;
  padding:
    20px max(22px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  background: var(--white);
  font-size: 12px;
  font-weight: 660;
}

.footer p {
  margin: 0;
  color: var(--deep);
}

.footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

html[lang="en"] .hero__identity {
  width: min(60%, 232px);
}

html[lang="en"] .hero__name-cn {
  font-size: clamp(50px, 14.5vw, 62px);
  letter-spacing: -0.055em;
}

html[lang="en"] .hero__name-en {
  margin-top: 9px;
  font-size: clamp(20px, 5.8vw, 25px);
}

html[lang="en"] .hero__role {
  max-width: 190px;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.4;
}

html[lang="en"] .hero__manifesto {
  top: 220px;
  width: 142px;
}

html[lang="en"] .hero__manifesto p {
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(22px, 6.2vw, 27px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

html[lang="en"] .hero__manifesto p span {
  font-size: 0.86em;
  letter-spacing: -0.045em;
}

html[lang="en"] .hero__manifesto small {
  width: 124px;
  margin-top: 23px;
  margin-left: 8px;
  font-size: 10px;
  line-height: 1.55;
}

html[lang="en"] .hero__metric {
  width: 108px;
}

html[lang="en"] .hero__metric span {
  font-size: 9px;
  line-height: 1.45;
}

html[lang="en"] .hero__method-preview li {
  font-size: 8px;
  line-height: 1.18;
}

html[lang="en"] .essay__title {
  letter-spacing: -0.018em;
}

html[lang="en"] .essay__body h3 {
  letter-spacing: -0.032em;
}

html[lang="en"] .identity__list p {
  line-height: 1.42;
}

@media (max-width: 359px) {
  .hero__mast {
    right: 42px;
    left: 20px;
  }

  .hero__identity {
    left: 20px;
  }

  .hero__manifesto {
    right: 8px;
    width: 112px;
  }

  .hero__manifesto p {
    font-size: 22px;
  }

  .hero__manifesto p span {
    font-size: 0.82em;
  }

  .hero__manifesto small {
    width: 92px;
    margin-top: 22px;
    margin-left: 10px;
    font-size: 9px;
  }

  .hero__role {
    font-size: 13px;
  }

  .hero__metric {
    right: 14px;
  }

  .hero__portrait {
    left: 0;
    width: 86%;
  }

  .hero__method-preview {
    right: 12px;
    left: 12px;
  }

  .section,
  .statement-section__inner,
  .essays__inner,
  .book__inner,
  .closing__inner {
    padding-right: max(17px, env(safe-area-inset-right));
    padding-left: max(17px, env(safe-area-inset-left));
  }

  .js .filter-controls {
    margin-right: -17px;
    margin-left: -17px;
    padding-right: 17px;
    padding-left: 17px;
  }

  .essay summary {
    grid-template-columns: 26px minmax(0, 1fr) 32px;
    gap: 8px;
  }

  .book__inner {
    grid-template-columns: 91px minmax(0, 1fr);
    gap: 18px;
  }

  html[lang="en"] .hero__identity {
    width: 59%;
  }

  html[lang="en"] .hero__name-cn {
    font-size: 46px;
  }

  html[lang="en"] .hero__name-en {
    font-size: 19px;
  }

  html[lang="en"] .hero__role {
    max-width: 165px;
    font-size: 11px;
  }

  html[lang="en"] .hero__manifesto {
    right: 5px;
    width: 119px;
  }

  html[lang="en"] .hero__manifesto p {
    font-size: 20px;
  }

  html[lang="en"] .hero__manifesto small {
    width: 101px;
    margin-left: 5px;
    font-size: 9px;
  }
}

@media (max-height: 650px) {
  .language-gate__panel {
    padding-top: max(18px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .language-gate__mark {
    margin-top: 32px;
  }

  .language-gate__eyebrow {
    margin-top: 30px;
  }

  .language-gate__description {
    margin-top: 14px;
  }

  .language-gate__choices {
    padding-top: 22px;
  }

  .language-gate__choices button {
    min-height: 84px;
  }

  .language-gate__note {
    display: none;
  }
}

@media (min-width: 720px) {
  .page-gauge {
    right: 22px;
  }

  .hero__shell {
    width: min(100%, var(--wide));
    max-width: none;
    padding-right: 32px;
    padding-left: 32px;
  }

  .hero__split-plane {
    clip-path: polygon(0 0, 61% 0, 52% 32%, 100% 58%, 100% 88%, 0 94%);
  }

  .hero__mast {
    right: 62px;
    left: 42px;
    font-size: 11px;
  }

  .hero__identity {
    top: 23%;
    left: 6%;
    width: 37%;
  }

  .hero__name-cn {
    font-size: clamp(76px, 9vw, 116px);
  }

  .hero__name-en {
    font-size: clamp(35px, 4.3vw, 55px);
  }

  .hero__role {
    font-size: 18px;
  }

  .hero__manifesto {
    top: 28%;
    right: 6%;
    width: min(28%, 320px);
  }

  .hero__manifesto p {
    font-size: clamp(38px, 4vw, 54px);
  }

  .hero__manifesto p span {
    font-size: 0.9em;
  }

  .hero__manifesto small {
    width: min(82%, 220px);
    margin-left: 18%;
    font-size: 12px;
  }

  .hero__portrait {
    top: 12%;
    bottom: 10%;
    left: 50%;
    width: min(43%, 470px);
    transform: translate3d(-50%, calc(var(--hero-progress) * 15px), 0);
  }

  .hero__metric {
    top: 57%;
    right: 7%;
  }

  .hero__metric strong {
    font-size: 68px;
  }

  .hero__method-preview {
    right: 9%;
    bottom: 11%;
    left: 9%;
  }

  .scroll-cue {
    min-height: 78px;
  }

  .section,
  .statement-section__inner,
  .essays__inner,
  .book__inner,
  .closing__inner {
    padding-top: 122px;
    padding-bottom: 126px;
  }

  .section__number {
    top: -56px;
    font-size: 118px;
  }

  .statement-section__copy {
    grid-template-columns: 1.1fr 0.9fr;
    column-gap: 50px;
  }

  .statement-section__lead {
    grid-row: span 2;
    font-size: 28px;
  }

  .work__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .work-card {
    min-height: 286px;
    padding: 28px 24px;
    display: block;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .work-card__index {
    display: block;
  }

  .work-card h3 {
    margin-top: 82px;
  }

  .quote-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-left: 1px solid var(--line);
  }

  .quote-card {
    padding: 35px 29px;
    border-right: 1px solid var(--line);
  }

  .quote-card--primary {
    grid-column: 1 / -1;
    padding: 46px 37px;
  }

  .quote-card--primary blockquote {
    max-width: 20em;
    font-size: 32px;
  }

  .book__inner {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 60px;
  }

  .book h2 {
    font-size: 44px;
  }

  .book__subtitle {
    font-size: 15px;
  }

  .book__copy > p:not(.eyebrow, .book__subtitle, .book__author) {
    font-size: 16px;
  }

  .identity__list p {
    grid-template-columns: 60px minmax(0, 1fr);
    font-size: 19px;
  }

  .served li {
    min-height: 94px;
    font-size: 15px;
  }

  .footer {
    padding-right: max(32px, calc((100% - var(--wide)) / 2));
    padding-left: max(32px, calc((100% - var(--wide)) / 2));
  }

  html[lang="en"] .hero__identity {
    width: 38%;
  }

  html[lang="en"] .hero__name-cn {
    font-size: clamp(68px, 8vw, 104px);
  }

  html[lang="en"] .hero__name-en {
    font-size: clamp(28px, 3.4vw, 43px);
  }

  html[lang="en"] .hero__role {
    max-width: 320px;
    font-size: 16px;
  }

  html[lang="en"] .hero__manifesto {
    top: 27%;
    width: min(29%, 320px);
  }

  html[lang="en"] .hero__manifesto p {
    font-size: clamp(34px, 3.7vw, 50px);
  }

  html[lang="en"] .hero__manifesto small {
    width: min(84%, 230px);
    margin-left: 14%;
    font-size: 11px;
  }

  html[lang="en"] .hero__metric {
    width: 170px;
  }
}

@media (min-width: 900px) {
  .language-gate {
    place-items: stretch;
  }

  .language-gate__panel {
    width: 100%;
    padding:
      clamp(38px, 4.8vw, 72px)
      max(48px, calc((100vw - 1240px) / 2));
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
    grid-template-rows: auto minmax(34px, 1fr) auto auto auto auto minmax(20px, 0.72fr);
    column-gap: clamp(58px, 7.4vw, 118px);
  }

  .language-gate__panel::before {
    clip-path: polygon(56% 0, 100% 0, 100% 100%, 47% 100%);
  }

  .language-gate__panel::after {
    top: -12%;
    bottom: -12%;
    left: 51%;
    opacity: 0.26;
    transform: rotate(8deg);
    transform-origin: center;
  }

  .language-gate__mast {
    grid-column: 1 / -1;
    grid-row: 1;
    font-size: 10px;
    letter-spacing: 0.18em;
  }

  .language-gate__mark {
    grid-column: 1;
    grid-row: 2 / 8;
    align-self: center;
    justify-self: start;
    margin: 0;
    color: var(--blue-text);
    font-size: clamp(88px, 10vw, 148px);
    letter-spacing: -0.075em;
  }

  .language-gate__eyebrow {
    grid-column: 2;
    grid-row: 3;
    margin: 0 0 16px;
    color: var(--blue);
    font-size: 11px;
  }

  .language-gate h2 {
    grid-column: 2;
    grid-row: 4;
    width: 100%;
    max-width: 540px;
    color: var(--deep);
    font-size: clamp(40px, 3.4vw, 50px);
    line-height: 1.08;
  }

  .language-gate h2 span[lang="en"] {
    margin-top: 13px;
    color: rgba(8, 31, 81, 0.58);
    font-size: 0.4em;
  }

  .language-gate__description {
    grid-column: 2;
    grid-row: 5;
    width: 100%;
    max-width: 440px;
    margin-top: 25px;
    color: rgba(8, 31, 81, 0.7);
    font-size: 14px;
  }

  .language-gate__description span[lang="en"] {
    margin-top: 6px;
    font-size: 12px;
  }

  .language-gate__choices {
    grid-column: 2;
    grid-row: 6;
    margin-top: 38px;
    padding-top: 0;
    gap: 14px;
  }

  .language-gate__choices button {
    min-height: 128px;
    padding: 21px 19px;
    color: var(--deep);
    border-color: rgba(8, 31, 81, 0.22);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 18px 48px rgba(8, 31, 81, 0.08);
  }

  .language-gate__choices button.is-recommended {
    color: var(--white);
    border-color: var(--deep);
    background: var(--deep);
  }

  .language-gate__choice-main {
    font-size: 23px;
  }

  .language-gate__note {
    grid-column: 2;
    grid-row: 7;
    align-self: start;
    margin-top: 16px;
    color: rgba(8, 31, 81, 0.68);
    font-size: 10px;
    text-align: left;
  }
}

@media (hover: hover) {
  .work-card:hover::before {
    width: 100%;
  }

  .filter-controls button,
  .essay summary,
  .essay-secondary-entry,
  .button,
  .footer a {
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
  }

  .language-gate__choices button,
  .language-switcher {
    transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
  }

  .language-gate__choices button:not(.is-recommended):hover,
  .language-switcher:hover {
    border-color: var(--white);
    background: var(--blue);
  }

  .filter-controls button:not([aria-pressed="true"]):hover {
    border-color: rgba(255, 255, 255, 0.76);
    color: var(--white);
  }

  .filter-controls button[aria-pressed="true"]:hover {
    color: var(--deep);
  }

  .essay:not([open]) summary:hover .essay__title,
  .essay-secondary-entry:hover {
    color: #b8d0ff;
  }

  .essay[open] summary:hover .essay__title {
    color: var(--deep);
  }

  .button:hover {
    border-color: var(--deep);
    background: #e8f0fd;
  }

  .footer a:hover {
    color: var(--blue-text);
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .hero__split-plane,
  .hero__portrait {
    transform: none !important;
  }
}
