:root {
  color-scheme: light;
  --bg: #eef1ef;
  --surface: #f8faf8;
  --surface-soft: #e4ebe7;
  --surface-strong: #d7e2dc;
  --ink: #14211b;
  --ink-soft: #596760;
  --brand: #173f33;
  --brand-2: #2c5d4c;
  --brand-soft: #dbe8e1;
  --accent: #ce852e;
  --accent-ink: #9a570d;
  --accent-soft: #f2dfc7;
  --line: rgba(20, 33, 27, 0.14);
  --line-strong: rgba(20, 33, 27, 0.25);
  --shadow: 0 26px 70px rgba(22, 52, 41, 0.14);
  --max: min(1240px, calc(100% - 64px));
  --radius-control: 12px;
  --radius-card: 18px;
  --radius-media: 22px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100dvh;
  overflow-x: hidden;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 82% 8%, rgba(44, 93, 76, 0.09), transparent 28rem),
    linear-gradient(180deg, #f3f6f4 0%, var(--bg) 52%, #e9eeeb 100%);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.68;
}

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

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

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

button {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

::selection {
  color: #f7faf8;
  background: var(--brand-2);
}

.shell {
  width: var(--max);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 999px;
  color: #f5f8f6;
  background: var(--brand);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-180%);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 68px;
  border-bottom: 1px solid transparent;
  background: rgba(238, 241, 239, 0.86);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.topbar.scrolled {
  border-color: var(--line);
  background: rgba(248, 250, 248, 0.96);
  box-shadow: 0 10px 34px rgba(22, 52, 41, 0.08);
}

.top-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-size: 17px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand img {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(23, 63, 51, 0.13);
  border-radius: 11px;
}

.main-nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 30px);
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink-soft);
}

.main-nav a {
  position: relative;
  padding-block: 8px;
  transition: color 0.25s var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--brand);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav a[aria-current="page"] {
  color: var(--brand);
  font-weight: 720;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.top-action,
.primary-action,
.secondary-action,
.status-action,
.dialog-close {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 720;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.top-action,
.primary-action,
.status-action {
  color: #172019;
  background: var(--accent);
  box-shadow: 0 10px 24px rgba(206, 133, 46, 0.22);
}

.top-action {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 14px;
}

.secondary-action,
.dialog-close {
  border-color: var(--line-strong);
  color: var(--brand);
  background: transparent;
}

.top-action:hover,
.primary-action:hover,
.status-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(206, 133, 46, 0.3);
}

.secondary-action:hover,
.dialog-close:hover {
  border-color: var(--brand-2);
  background: var(--brand-soft);
}

.top-action:active,
.primary-action:active,
.secondary-action:active,
.status-action:active,
.dialog-close:active {
  transform: translateY(1px) scale(0.98);
}

main {
  overflow: clip;
}

section {
  position: relative;
  scroll-margin-top: 88px;
}

.hero {
  min-height: 100dvh;
  padding: 88px 0 28px;
  display: grid;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

.kicker {
  margin: 0 0 18px;
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.hero-title {
  max-width: 10.5em;
  margin: 0;
  color: var(--brand);
  font-size: clamp(50px, 5.6vw, 78px);
  font-weight: 820;
  letter-spacing: -0.075em;
  line-height: 1.05;
}

.hero-title span {
  display: block;
  color: var(--accent);
}

.hero-intro {
  max-width: 34em;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-visual {
  margin: 0;
}

.hero-image-shell {
  position: relative;
  overflow: hidden;
  max-height: calc(100dvh - 200px);
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(23, 63, 51, 0.16);
  border-radius: var(--radius-media);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.hero-image-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: inherit;
  box-shadow: inset 0 0 0 8px rgba(255, 255, 255, 0.04);
}

.hero-image-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 44%;
  transition: transform 0.8s var(--ease);
}

.hero-image-shell:hover img {
  transform: scale(1.018);
}

.hero-caption {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  max-width: 43em;
  margin: 16px 2px 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.hero-caption strong {
  color: var(--brand);
}

.caption-mark {
  width: 28px;
  height: 1px;
  margin-top: 12px;
  background: var(--accent);
}

.section {
  padding: clamp(72px, 7.4vw, 108px) 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: clamp(38px, 5vw, 64px);
}

.section-title {
  margin: 0;
  color: var(--brand);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 790;
  letter-spacing: -0.055em;
  line-height: 1.14;
}

.section-sub {
  max-width: 42em;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.meaning-section {
  padding-top: clamp(72px, 8vw, 112px);
}

.meaning-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1.2fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 46px;
}

.meaning-intro p {
  max-width: 38em;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.ratio-layout {
  display: grid;
  grid-template-columns: 7fr 3fr;
  min-height: 400px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
  box-shadow: 0 18px 50px rgba(22, 52, 41, 0.08);
}

.ratio-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(34px, 4.4vw, 64px);
}

.ratio-seven {
  color: #eef5f1;
  background:
    radial-gradient(circle at 88% 14%, rgba(206, 133, 46, 0.22), transparent 18rem),
    var(--brand);
}

.ratio-three {
  color: var(--ink);
  background: var(--surface);
}

.ratio-number {
  font-size: clamp(84px, 11vw, 148px);
  font-weight: 830;
  letter-spacing: -0.08em;
  line-height: 0.86;
}

.ratio-seven .ratio-number {
  color: #f0b569;
}

.ratio-three .ratio-number {
  color: var(--brand-2);
}

.ratio-panel h3 {
  margin: 48px 0 10px;
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.2;
}

.ratio-panel p {
  max-width: 33em;
  margin: 0;
  color: inherit;
  opacity: 0.82;
}

.brand-line {
  margin: 28px 0 0;
  color: var(--brand);
  font-size: clamp(20px, 2.4vw, 31px);
  font-weight: 750;
  letter-spacing: -0.025em;
}

.capability-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: -12px 0 clamp(42px, 5vw, 62px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.capability-index a {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 20px 22px;
  border-right: 1px solid var(--line);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.capability-index a:last-child {
  border-right: 0;
}

.capability-index a:hover,
.capability-index a:focus-visible,
.capability-index a[aria-current="location"] {
  color: var(--brand);
  background: var(--brand-soft);
}

.capability-index span {
  font-size: 16px;
  font-weight: 740;
}

.capability-index small {
  color: var(--ink-soft);
  font-size: 12px;
}

.capability-index a[href="#future-services"] small {
  color: var(--accent-ink);
  font-weight: 760;
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.58fr) minmax(0, 1.42fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: stretch;
}

.evidence-tabs {
  display: grid;
  align-content: start;
  gap: 8px;
}

.evidence-tab {
  position: relative;
  display: block;
  align-items: start;
  width: 100%;
  min-height: 78px;
  padding: 18px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  text-align: left;
  background: transparent;
  cursor: pointer;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease), background 0.25s var(--ease);
}

.evidence-tab strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
}

.evidence-tab small {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.5;
}

.evidence-tab.active {
  padding-left: 22px;
  color: var(--brand);
  background: var(--brand-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.evidence-tab.active strong {
  color: var(--brand);
}

.evidence-view {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.evidence-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-strong);
}

.evidence-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.18s ease, transform 0.6s var(--ease);
}

.evidence-view:hover .evidence-media img {
  transform: scale(1.012);
}

.evidence-media img.is-changing {
  opacity: 0.2;
}

.evidence-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.35fr) minmax(0, 0.65fr);
  gap: 28px;
  padding: 26px 30px 30px;
}

.evidence-copy h3 {
  margin: 0;
  color: var(--brand);
  font-size: 24px;
}

.evidence-copy p {
  margin: 0;
  color: var(--ink-soft);
}

.identity-section {
  background: linear-gradient(180deg, transparent 0%, rgba(219, 232, 225, 0.46) 50%, transparent 100%);
}

.identity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(42px, 7vw, 90px);
  align-items: center;
}

.identity-copy .section-head {
  margin-bottom: 30px;
}

.identity-points {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.identity-points li {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.identity-points strong {
  color: var(--brand);
}

.identity-points span {
  color: var(--ink-soft);
}

.identity-note {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
}

.identity-visual {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.identity-visual img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.identity-visual figcaption {
  padding: 18px 20px 21px;
  color: var(--ink-soft);
  font-size: 14px;
}

.growth-section {
  padding-top: clamp(72px, 8vw, 112px);
}

.growth-statement {
  max-width: 900px;
  margin: 0 0 50px;
  color: var(--brand);
  font-size: clamp(32px, 4.3vw, 58px);
  font-weight: 780;
  letter-spacing: -0.05em;
  line-height: 1.18;
}

.response-track {
  display: grid;
  grid-template-columns: 1.08fr 0.84fr 1.08fr;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.response-item {
  min-height: 260px;
  padding: 32px clamp(24px, 3vw, 42px);
  border-right: 1px solid var(--line);
}

.response-item:last-child {
  border-right: 0;
}

.response-item:nth-child(2) {
  background: var(--brand-soft);
}

.response-item h3 {
  margin: 0 0 18px;
  color: var(--brand);
  font-size: 25px;
}

.response-item p {
  margin: 0;
  color: var(--ink-soft);
}

.response-verb {
  display: inline-block;
  margin-bottom: 62px;
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 790;
  letter-spacing: 0.12em;
}

.growth-disclaimer {
  max-width: 800px;
  margin: 26px 0 0 auto;
  color: var(--ink-soft);
  font-size: 14px;
}

.care-section {
  padding-top: clamp(62px, 7vw, 96px);
}

.care-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(330px, 0.84fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: stretch;
}

.care-ledger {
  display: flex;
  min-height: 560px;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(34px, 5vw, 62px);
  overflow: hidden;
  border: 1px solid rgba(235, 243, 239, 0.16);
  border-radius: var(--radius-media);
  color: #eef5f1;
  background:
    radial-gradient(circle at 92% 8%, rgba(224, 162, 87, 0.28), transparent 18rem),
    linear-gradient(145deg, #214f40 0%, #173f33 56%, #102d24 100%);
  box-shadow: var(--shadow);
}

.care-label {
  display: block;
  margin-bottom: 30px;
  color: #efb46c;
  font-size: 14px;
  font-weight: 780;
  letter-spacing: 0.08em;
}

.care-ledger h3 {
  max-width: 9em;
  margin: 0;
  font-size: clamp(34px, 4.4vw, 58px);
  letter-spacing: -0.055em;
  line-height: 1.13;
}

.care-ledger > div > p {
  max-width: 35em;
  margin: 24px 0 0;
  color: rgba(238, 245, 241, 0.74);
  font-size: 16px;
}

.ledger-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 54px 0 0;
  padding-top: 28px;
  border-top: 1px solid rgba(238, 245, 241, 0.2);
}

.ledger-features div {
  min-width: 0;
}

.ledger-features dt {
  margin-bottom: 6px;
  color: #eef5f1;
  font-weight: 760;
}

.ledger-features dd {
  margin: 0;
  color: rgba(238, 245, 241, 0.65);
  font-size: 13px;
  line-height: 1.55;
}

.care-list {
  align-self: center;
  border-top: 1px solid var(--line-strong);
}

.care-item {
  display: grid;
  grid-template-columns: minmax(108px, 0.35fr) minmax(0, 0.65fr);
  gap: clamp(20px, 3vw, 38px);
  padding: clamp(26px, 3.5vw, 42px) 0;
  border-bottom: 1px solid var(--line);
}

.care-item > span {
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 780;
}

.care-item h3 {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: clamp(21px, 2.1vw, 28px);
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.care-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.care-note {
  max-width: 760px;
  margin: 26px 0 0 auto;
  color: var(--ink-soft);
  font-size: 13px;
}

.discovery-section {
  padding-top: clamp(72px, 8vw, 112px);
}

.discovery-section .section-head {
  max-width: 920px;
}

.discovery-layout {
  display: block;
}

.discovery-principle {
  display: flex;
  min-height: 400px;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid rgba(235, 243, 239, 0.15);
  border-radius: var(--radius-media);
  color: #eef5f1;
  background:
    radial-gradient(circle at 86% 10%, rgba(224, 162, 87, 0.22), transparent 17rem),
    linear-gradient(145deg, #244d3f, #173f33 62%, #122f27);
  box-shadow: var(--shadow);
}

.discovery-principle > span {
  color: #efb46c;
  font-size: 13px;
  font-weight: 780;
}

.discovery-principle h3 {
  max-width: 9em;
  margin: 22px 0 0;
  font-size: clamp(34px, 4.2vw, 56px);
  letter-spacing: -0.05em;
  line-height: 1.12;
}

.discovery-principle p {
  max-width: 36em;
  margin: 22px 0 0;
  color: rgba(238, 245, 241, 0.72);
  font-size: 15px;
}

.discovery-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(30px, 4vw, 50px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.discovery-flow article {
  display: block;
  padding: clamp(27px, 3.6vw, 44px) 0;
  padding-right: clamp(22px, 3vw, 38px);
  border-right: 1px solid var(--line);
}

.discovery-flow article + article {
  padding-right: clamp(16px, 2.2vw, 30px);
  padding-left: clamp(22px, 3vw, 38px);
}

.discovery-flow article:last-child {
  border-right: 0;
}

.discovery-flow article > span {
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 780;
}

.discovery-flow h3 {
  margin: 18px 0 10px;
  color: var(--brand);
  font-size: clamp(21px, 2.1vw, 28px);
  letter-spacing: -0.025em;
}

.discovery-flow p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.discovery-note {
  max-width: 780px;
  margin: 26px 0 0 auto;
  color: var(--ink-soft);
  font-size: 13px;
}

.future-section {
  padding-top: clamp(72px, 8vw, 112px);
}

.future-section .section-head {
  max-width: 980px;
}

.future-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
  gap: clamp(24px, 3.2vw, 42px);
  align-items: start;
}

.future-card {
  margin: 0;
}

.future-card:nth-child(2) {
  margin-top: 64px;
}

.future-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
  background: var(--surface-strong);
  box-shadow: 0 18px 52px rgba(22, 52, 41, 0.12);
}

.future-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
}

.future-card:hover .future-media img {
  transform: scale(1.02);
  filter: saturate(1.03) contrast(1.02);
}

.future-copy {
  display: grid;
  grid-template-columns: minmax(104px, 0.28fr) minmax(0, 0.72fr);
  gap: 22px;
  padding: 24px 4px 0;
}

.future-state {
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 780;
}

.future-copy h3 {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: clamp(27px, 3vw, 40px);
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.future-copy p {
  margin: 0;
  color: var(--ink-soft);
}

.future-boundary {
  max-width: 840px;
  margin: 44px 0 0 auto;
  padding-left: 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-size: 14px;
}

.future-boundary strong {
  color: var(--ink);
}

.species-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 22px;
}

.species-card {
  margin: 0;
}

.species-card:nth-child(1) {
  grid-column: span 7;
}

.species-card:nth-child(2) {
  grid-column: span 5;
  margin-top: 72px;
}

.species-card:nth-child(3) {
  grid-column: 2 / span 4;
}

.species-card:nth-child(4) {
  grid-column: 6 / span 7;
  margin-top: -12px;
}

.species-media {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
  background: var(--surface-strong);
  box-shadow: 0 16px 42px rgba(22, 52, 41, 0.1);
}

.species-media img {
  width: 100%;
  height: clamp(230px, 27vw, 370px);
  object-fit: cover;
  transition: transform 0.55s var(--ease), filter 0.55s var(--ease);
}

.species-card:nth-child(3) .species-media img {
  height: clamp(240px, 31vw, 400px);
}

.species-card:hover .species-media img {
  transform: scale(1.025);
  filter: saturate(1.04) contrast(1.02);
}

.species-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 3px 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.species-card figcaption strong {
  color: var(--brand);
  font-size: 17px;
}

.privacy-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(46px, 8vw, 110px);
  align-items: start;
}

.privacy-summary {
  position: sticky;
  top: 112px;
}

.privacy-summary p {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.boundary-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.boundary-list li {
  display: grid;
  grid-template-columns: minmax(150px, 0.38fr) minmax(0, 0.62fr);
  gap: 28px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
}

.boundary-list strong {
  color: var(--brand);
  font-size: 18px;
}

.boundary-list span {
  color: var(--ink-soft);
}

.medical-note {
  margin-top: 28px;
  padding: 24px 26px;
  border: 1px solid rgba(206, 133, 46, 0.36);
  border-radius: var(--radius-card);
  color: var(--ink-soft);
  background: var(--accent-soft);
}

.medical-note strong {
  color: var(--ink);
}

.release-section {
  padding-top: 50px;
}

.release-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid rgba(23, 63, 51, 0.2);
  border-radius: var(--radius-media);
  background:
    radial-gradient(circle at 88% 20%, rgba(206, 133, 46, 0.2), transparent 18rem),
    var(--brand-soft);
}

.release-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--brand-2);
  font-size: 14px;
  font-weight: 760;
}

.status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(206, 133, 46, 0.14);
}

.release-band h2 {
  margin: 0;
  color: var(--brand);
  font-size: clamp(30px, 3.6vw, 48px);
  letter-spacing: -0.045em;
  line-height: 1.18;
}

.release-band p {
  max-width: 46em;
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.release-update {
  display: block;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 13px;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  min-height: 74px;
  padding: 24px 54px 24px 0;
  color: var(--brand);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::before,
.faq-list summary::after {
  content: "";
  position: absolute;
  top: 36px;
  right: 5px;
  width: 17px;
  height: 1px;
  background: var(--brand);
  transition: transform 0.25s var(--ease);
}

.faq-list summary::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary::after {
  transform: rotate(0);
}

.faq-list details p {
  max-width: 54em;
  margin: -4px 0 26px;
  color: var(--ink-soft);
}

footer {
  padding: 54px 0 36px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 760;
}

.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.organizer {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-meta {
  color: var(--ink-soft);
  font-size: 13px;
  text-align: right;
}

.footer-meta p {
  margin: 5px 0;
}

.qr-dialog {
  width: min(420px, calc(100% - 32px));
  padding: 0;
  border: 0;
  border-radius: var(--radius-media);
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(8, 20, 15, 0.35);
}

.qr-dialog::backdrop {
  background: rgba(10, 24, 18, 0.62);
  backdrop-filter: blur(6px);
}

.qr-dialog-inner {
  padding: 28px;
}

.qr-dialog h2 {
  margin: 0;
  color: var(--brand);
  font-size: 27px;
}

.qr-dialog p {
  color: var(--ink-soft);
}

.qr-dialog img {
  width: min(260px, 100%);
  margin: 22px auto;
  border-radius: var(--radius-control);
}

.dialog-close {
  width: 100%;
  background: transparent;
}

.image-error {
  position: relative;
  min-height: 240px;
  background: linear-gradient(135deg, var(--surface-strong), var(--surface));
}

.image-error::after {
  content: "图片暂时无法加载";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--ink-soft);
  font-size: 14px;
}

.has-js .reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
}

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

@media (max-width: 1120px) {
  :root {
    --max: min(100% - 40px, 980px);
  }

  .top-inner {
    gap: 18px;
  }

  .main-nav {
    gap: 16px;
    font-size: 13px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(390px, 0.9fr);
    gap: 44px;
  }
}

@media (max-width: 900px) {
  .top-inner {
    grid-template-columns: auto 1fr auto auto;
  }

  .menu-toggle {
    display: block;
    justify-self: end;
  }

  .main-nav {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: grid;
  }

  .main-nav a {
    min-height: 44px;
    padding: 10px 12px;
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a[aria-current="page"] {
    border-radius: 8px;
    background: var(--brand-soft);
  }

  .hero {
    min-height: auto;
    padding: 92px 0 28px;
  }

  .hero-grid,
  .meaning-intro,
  .identity-layout,
  .privacy-layout,
  .care-layout,
  .discovery-layout,
  .future-grid {
    grid-template-columns: 1fr;
  }

  .future-card:nth-child(2) {
    margin-top: 20px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero-title {
    max-width: 11em;
  }

  .hero-image-shell {
    max-height: 430px;
    aspect-ratio: 16 / 9;
  }

  .hero-image-shell img {
    object-position: center 40%;
  }

  .meaning-intro {
    gap: 18px;
    align-items: start;
  }

  .privacy-summary {
    position: static;
  }
}

@media (max-width: 767px) {
  :root {
    --max: calc(100% - 32px);
  }

  body {
    font-size: 15px;
  }

  .topbar {
    height: 64px;
  }

  .brand span {
    font-size: 15px;
  }

  .top-action {
    display: none;
  }

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

  .hero {
    padding: 84px 0 24px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .kicker {
    margin-bottom: 14px;
    font-size: 12px;
  }

  .hero-title {
    font-size: clamp(43px, 13vw, 58px);
    letter-spacing: -0.07em;
  }

  .hero-intro {
    margin-top: 20px;
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .hero-image-shell {
    max-height: none;
    aspect-ratio: 16 / 9;
  }

  .hero-image-shell img {
    object-position: center 42%;
  }

  .section {
    padding: 58px 0;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .section-title {
    font-size: clamp(34px, 10vw, 46px);
  }

  .section-sub {
    margin-top: 16px;
    font-size: 16px;
  }

  .meaning-section {
    padding-top: 58px;
  }

  .ratio-layout,
  .evidence-layout,
  .response-track,
  .release-band,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .ratio-layout {
    min-height: 0;
  }

  .ratio-panel {
    min-height: 300px;
    padding: 34px 28px;
  }

  .ratio-panel h3 {
    margin-top: 32px;
  }

  .evidence-layout {
    gap: 24px;
  }

  .capability-index {
    grid-template-columns: repeat(4, minmax(172px, 1fr));
    overflow-x: auto;
    margin: -4px 0 38px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .capability-index a {
    scroll-snap-align: start;
    padding: 17px 16px;
  }

  .evidence-tabs {
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
  }

  .evidence-tab {
    scroll-snap-align: start;
    border: 1px solid var(--line);
    border-radius: var(--radius-control);
  }

  .evidence-tab.active {
    padding-left: 16px;
  }

  .evidence-copy {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px;
  }

  .identity-layout {
    gap: 34px;
  }

  .care-layout,
  .discovery-layout,
  .future-grid {
    grid-template-columns: 1fr;
  }

  .care-ledger {
    min-height: 0;
    padding: 34px 28px;
  }

  .ledger-features {
    margin-top: 44px;
  }

  .care-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .discovery-principle {
    min-height: 380px;
  }

  .discovery-flow {
    grid-template-columns: 1fr;
  }

  .discovery-flow article {
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .discovery-flow article + article {
    padding-right: 0;
    padding-left: 0;
  }

  .discovery-flow article:last-child {
    border-bottom: 0;
  }

  .future-card:nth-child(2) {
    margin-top: 18px;
  }

  .future-copy {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .future-media img {
    aspect-ratio: 4 / 3;
  }

  .future-section .section-title {
    font-size: clamp(34px, 9.6vw, 42px);
  }

  .identity-points li,
  .boundary-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .response-item {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .response-item:last-child {
    border-bottom: 0;
  }

  .response-verb {
    margin-bottom: 32px;
  }

  .species-gallery {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .species-card:nth-child(n) {
    grid-column: auto;
    margin-top: 0;
  }

  .species-media img,
  .species-card:nth-child(3) .species-media img {
    height: auto;
    aspect-ratio: 7 / 5;
  }

  .release-band {
    gap: 24px;
    padding: 30px 24px;
  }

  .status-action {
    width: 100%;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-image-shell {
    aspect-ratio: 5 / 4;
  }

  .hero-actions {
    display: grid;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .hero-caption {
    grid-template-columns: 20px 1fr;
  }

  .ledger-features {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #101914;
    --surface: #17231d;
    --surface-soft: #1c2b24;
    --surface-strong: #24362d;
    --ink: #eaf1ed;
    --ink-soft: #abb9b1;
    --brand: #c5dccf;
    --brand-2: #9fc2b0;
    --brand-soft: #20372d;
    --accent: #e0a257;
    --accent-ink: #efb46c;
    --accent-soft: #3c3021;
    --line: rgba(235, 243, 239, 0.14);
    --line-strong: rgba(235, 243, 239, 0.25);
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.3);
  }

  body {
    background-color: var(--bg);
    background-image:
      radial-gradient(circle at 82% 8%, rgba(86, 136, 112, 0.12), transparent 28rem),
      linear-gradient(180deg, #111c16 0%, var(--bg) 52%, #0f1713 100%);
  }

  .topbar,
  .topbar.scrolled {
    background: rgba(16, 25, 20, 0.92);
  }

  .top-action,
  .primary-action,
  .status-action {
    color: #172019;
  }

  .ratio-seven {
    color: #eef5f1;
    background: #173f33;
  }

  .ratio-three {
    color: var(--ink);
  }

  .medical-note {
    border-color: rgba(224, 162, 87, 0.32);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .topbar,
  .topbar.scrolled,
  .main-nav {
    background: var(--surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .qr-dialog::backdrop {
    backdrop-filter: none;
  }
}

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

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

  .has-js .reveal {
    opacity: 1;
    transform: none;
  }
}