:root {
  --paper: #f3f2eb;
  --ink: #20241e;
  --muted: #72766b;
  --lime: #d3fc60;
  --line: #d9dcd0;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
a,
button {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid #5a8e14;
  outline-offset: 6px;
}
::selection {
  background: var(--lime);
  color: var(--ink);
}
.wrap {
  width: min(1320px, calc(100% - 104px));
  margin-inline: auto;
}
.header {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 25px;
  letter-spacing: -1.2px;
  font-weight: 750;
}
.brand-dot {
  align-self: flex-start;
  font-size: 10px;
  line-height: 22px;
  margin-left: -6px;
}
.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  background: var(--ink);
  border-radius: 9px;
  display: grid;
  place-items: center;
  transform: rotate(-8deg);
}
.brand-mark:before,
.brand-mark:after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid var(--lime);
  border-radius: 3px;
}
.brand-mark i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
}
.header nav {
  display: flex;
  gap: 38px;
  font-size: 13px;
}
.header nav a:hover {
  color: #65802b;
}
.nav-download {
  border-bottom: 1px solid var(--ink);
  padding: 8px 0;
  display: flex;
  gap: 24px;
  font-size: 13px;
}
.hero {
  position: relative;
  isolation: isolate;
  min-height: 720px;
  height: min(820px, calc(100svh - 117px));
  margin: 0 20px;
  overflow: hidden;
  border-radius: 10px;
  color: white;
  background: #1c2c24;
}
.hero-photo,
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-photo {
  background: url("assets/forest.jpg") center 59% / cover;
  animation: photo-enter 2s ease-out both;
  transform: scale(1.02);
}
.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 23, 17, 0.67), rgba(12, 25, 19, 0.22) 70%),
    linear-gradient(0deg, rgba(9, 22, 17, 0.65), transparent 30%);
}
.hero-top,
.hero-bottom {
  position: absolute;
  left: 42px;
  right: 42px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 1.5px;
}
.hero-top {
  top: 30px;
}
.hero-top > span:first-child,
.scene-label {
  display: flex;
  align-items: center;
  gap: 9px;
}
.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px #d3fc6015;
  animation: pulse 3s infinite;
}
.hero-copy {
  position: relative;
  z-index: 1;
  padding: 128px 0 80px max(5vw, 48px);
  max-width: 860px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2px;
  margin: 0 0 27px;
}
.hero .eyebrow {
  color: #e2e9da;
}
.hero h1 {
  font-size: clamp(62px, 6.4vw, 100px);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -5px;
  margin: 0 0 27px;
  animation: enter 0.9s 0.1s both;
}
.frame-word {
  position: relative;
  color: var(--lime);
  display: inline-block;
}
.frame-word svg {
  position: absolute;
  bottom: -15px;
  left: 0;
  width: 100%;
  height: 27px;
  fill: none;
  stroke: var(--lime);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 410;
  stroke-dashoffset: 410;
  animation: draw 1.3s 0.9s forwards;
}
.hero-description {
  font-size: 16px;
  line-height: 1.9;
  color: #e6eade;
  margin-bottom: 28px;
  animation: enter 0.9s 0.25s both;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 58px;
  padding: 18px 25px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}
.button:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px #1113;
}
.lime {
  color: var(--ink);
  background: var(--lime);
}
.button > span:last-child {
  font-size: 22px;
}
.hero-note {
  display: block;
  font-size: 10px;
  letter-spacing: 1px;
  color: #ccd7ca;
  margin-top: 15px;
}
.hero-bottom {
  bottom: 28px;
  align-items: center;
  color: #d9e0d6;
}
.hero-bottom a {
  display: flex;
  gap: 30px;
}
.floating-frame {
  position: absolute;
  right: 7%;
  top: 32%;
  width: 25%;
  height: 37%;
  transform: rotate(8deg);
  animation: float 9s ease-in-out infinite;
  border: 1px solid #edf6dc66;
  padding: 12px;
  box-shadow: 0 20px 50px #0002;
  backdrop-filter: blur(5px);
  background: #fff1;
}
.floating-image {
  height: 100%;
  background: url("assets/forest.jpg") center/cover;
}
.floating-frame > span:not(.frame-corner) {
  position: absolute;
  bottom: 26px;
  left: 26px;
  font-size: 10px;
  letter-spacing: 1px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.frame-corner {
  position: absolute;
  width: 17px;
  height: 17px;
  border-color: var(--lime);
  border-style: solid;
}
.tl {
  top: -2px;
  left: -2px;
  border-width: 2px 0 0 2px;
}
.tr {
  top: -2px;
  right: -2px;
  border-width: 2px 2px 0 0;
}
.bl {
  bottom: -2px;
  left: -2px;
  border-width: 0 0 2px 2px;
}
.br {
  bottom: -2px;
  right: -2px;
  border-width: 0 2px 2px 0;
}
.promise-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 85px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: #63695c;
  letter-spacing: 0.5px;
}
.promise-strip > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}
.promise-strip i {
  width: 7px;
  height: 7px;
  background: #6e8739;
  border-radius: 50%;
}
.promise-strip > span:last-child > span {
  margin-left: 35px;
}
.moments {
  padding-top: 106px;
  padding-bottom: 70px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 42px;
}
.section-heading .eyebrow {
  color: #6d795f;
  margin-bottom: 18px;
}
h2 {
  font-size: clamp(32px, 3.4vw, 49px);
  font-weight: 600;
  letter-spacing: -2px;
  line-height: 1.35;
  margin: 0;
}
h2 span {
  color: #828775;
}
.section-heading > p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 7px;
}
.scene-layout {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 58px;
  align-items: center;
}
.scene-visual {
  position: relative;
  height: 385px;
  border-radius: 7px;
  overflow: hidden;
  background: #373e30;
  color: #fff;
  isolation: isolate;
}
.scene-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition:
    opacity 0.2s,
    transform 0.7s;
}
.scene-visual:hover img {
  transform: scale(1.035);
}
.scene-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, #09130dcc, transparent 60%);
}
.scene-label {
  position: absolute;
  top: 25px;
  left: 25px;
  padding: 8px 11px;
  font-size: 10px;
  border: 1px solid #fff4;
  border-radius: 3px;
  background: #0002;
}
.scene-caption {
  position: absolute;
  bottom: 29px;
  left: 27px;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.4px;
}
.scene-number {
  position: absolute;
  right: 25px;
  top: 18px;
  font-size: 52px;
  font-weight: 300;
  letter-spacing: -4px;
  color: #fff8;
}
.scene-options {
  display: flex;
  flex-direction: column;
}
.scene-option {
  position: relative;
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 25px 18px 25px 12px;
  transition:
    background 0.25s,
    padding 0.25s;
}
.scene-option:last-child {
  border-bottom: 1px solid var(--line);
}
.scene-option.active {
  background: #e7ebdc;
  padding-left: 22px;
}
.scene-option.active:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #719042;
}
.option-no {
  font-size: 10px;
  color: #8a907f;
  margin-top: 6px;
}
.scene-option strong {
  display: block;
  font-size: 20px;
  font-weight: 550;
  letter-spacing: -0.6px;
  margin-bottom: 11px;
}
.scene-option > span:nth-child(2) > span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.option-arrow {
  margin-left: auto;
  font-size: 24px;
  color: #9ca591;
  transition: transform 0.25s;
}
.active .option-arrow {
  color: #465d2c;
  transform: rotate(45deg);
}
.workflow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 45px;
  padding-block: 23px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}
.workflow-title {
  font-weight: 600;
}
.workflow > div {
  display: flex;
  gap: 26px;
}
.workflow b {
  color: #8a947b;
  font-size: 10px;
  margin-right: 7px;
  font-weight: 400;
}
.workflow p {
  font-size: 11px;
  color: var(--muted);
}
.open-source {
  background: #222c23;
  color: var(--paper);
  overflow: hidden;
}
.open-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 110px;
  padding-block: 88px;
}
.open-symbol {
  font-size: 160px;
  letter-spacing: 0;
  font-weight: 200;
  white-space: nowrap;
  color: #677d50;
  transform: rotate(-10deg);
}
.open-symbol span {
  display: inline-block;
  font-size: 100px;
  color: var(--lime);
  transform: translateY(-10px);
}
.open-source .eyebrow {
  color: #b3bca5;
  margin-bottom: 20px;
}
.open-source h2 {
  font-size: clamp(34px, 3.5vw, 50px);
  margin-bottom: 20px;
}
.open-source h2 span {
  color: var(--lime);
}
.open-source p:not(.eyebrow) {
  font-size: 12px;
  line-height: 1.9;
  color: #b9c1b1;
}
.source-link {
  display: inline-block;
  font-size: 13px;
  border-bottom: 1px solid #7b8b6b;
  padding-bottom: 10px;
  margin-top: 15px;
}
.source-link > span {
  margin-left: 38px;
  color: var(--lime);
}
.source-link small {
  display: block;
  font-size: 10px;
  margin-top: 7px;
  color: #9cae8f;
  letter-spacing: 0.5px;
}
.open-seal {
  position: absolute;
  right: 5px;
  top: 60px;
  width: 90px;
  height: 90px;
  border: 1px solid #81966d;
  border-radius: 50%;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #c2d6ac;
  transform: rotate(15deg);
}
.open-seal span {
  position: absolute;
  bottom: 7px;
  right: 17px;
}
.download {
  text-align: center;
  padding-top: 100px;
  padding-bottom: 85px;
}
.download .eyebrow {
  color: #727c63;
  margin-bottom: 24px;
}
.download h2 {
  font-size: clamp(32px, 3.6vw, 54px);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
}
.download h2 > span:first-child {
  color: var(--ink);
}
.record-icon {
  width: 34px;
  height: 34px;
  border: 1px solid #7d8970;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  margin-left: 20px;
  flex-shrink: 0;
}
.record-icon:after {
  content: "";
  width: 12px;
  height: 12px;
  background: #7e9b4b;
  border-radius: 50%;
}
.download-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 35px;
}
.dark {
  color: var(--paper);
  background: var(--ink);
  gap: 24px;
  text-align: left;
  padding: 20px 24px;
}
.download-actions svg {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
}
.download-actions small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  margin-top: 6px;
  opacity: 0.65;
}
.dark > span:nth-child(2) {
  font-size: 14px;
}
.ios-status {
  display: flex;
  align-items: center;
  gap: 17px;
  min-width: 270px;
  padding: 18px 24px;
  border: 1px solid #d2d6ca;
  border-radius: 5px;
  text-align: left;
  color: #7e8376;
  font-size: 14px;
}
.download-note {
  font-size: 10px;
  color: #868b7d;
  margin: 21px 0 0;
  line-height: 1.8;
}
.download-feedback {
  font-size: 12px;
  line-height: 1.7;
  min-height: 20px;
  margin-bottom: 0;
  color: #63724e;
}
footer {
  min-height: 100px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
footer .brand {
  font-size: 18px;
}
footer .brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
}
footer > span,
footer > a:last-child {
  font-size: 11px;
  color: var(--muted);
}
.reveal {
  opacity: 1;
  transform: none;
}
.motion-ready .reveal {
  opacity: 0;
  transform: translateY(25px);
  transition:
    opacity 0.75s,
    transform 0.75s;
}
.motion-ready .reveal.visible {
  opacity: 1;
  transform: none;
}
@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes photo-enter {
  from {
    transform: scale(1.1);
    filter: brightness(0.65);
  }
  to {
    transform: scale(1.02);
    filter: brightness(1);
  }
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(8deg);
  }
  50% {
    transform: translateY(-14px) rotate(5deg);
  }
}
@keyframes pulse {
  50% {
    box-shadow: 0 0 0 6px #d3fc6000;
  }
}
@media (min-width: 1600px) {
  .hero-copy {
    padding-left: calc((100vw - 1320px) / 2 - 20px);
  }
  .floating-frame {
    right: calc((100vw - 1320px) / 2);
    max-width: 350px;
  }
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .hero {
    min-height: 660px;
    height: 720px;
  }
  .hero-copy {
    padding-top: 140px;
  }
  .hero h1 {
    font-size: 74px;
  }
  .floating-frame {
    right: 5%;
    width: 25%;
    height: 29%;
    top: 35%;
    opacity: 0.8;
  }
  .scene-layout {
    gap: 28px;
  }
  .scene-option strong {
    font-size: 17px;
  }
  .workflow {
    flex-wrap: wrap;
  }
  .workflow p {
    margin: 0;
  }
  .open-inner {
    gap: 55px;
  }
  .open-symbol {
    font-size: 120px;
  }
  .open-symbol span {
    font-size: 70px;
  }
  .open-seal {
    width: 70px;
    height: 70px;
    font-size: 11px;
  }
  .section-heading > p {
    font-size: 12px;
  }
}
@media (max-width: 700px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .header {
    height: 77px;
    gap: 12px;
  }
  .brand {
    font-size: 22px;
  }
  .header nav {
    gap: 0;
  }
  .header nav a:first-child {
    display: none;
  }
  .header nav a {
    font-size: 12px;
  }
  .nav-download {
    font-size: 11px;
    gap: 12px;
  }
  .brand-dot {
    display: none;
  }
  .hero {
    margin: 0 10px;
    min-height: 650px;
    height: calc(100svh - 90px);
    max-height: 780px;
    border-radius: 7px;
  }
  .hero-top,
  .hero-bottom {
    left: 22px;
    right: 22px;
    font-size: 9px;
    letter-spacing: 0.5px;
  }
  .hero-top {
    top: 24px;
  }
  .hero-index {
    display: none;
  }
  .hero-copy {
    padding: 120px 22px 100px;
    max-width: 100%;
  }
  .hero .eyebrow {
    font-size: 10px;
    letter-spacing: 1px;
    margin-bottom: 26px;
  }
  .hero h1 {
    font-size: clamp(47px, 10.5vw, 70px);
    letter-spacing: -2.8px;
    line-height: 1.3;
    margin-bottom: 26px;
  }
  .hero-description {
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 25px;
  }
  .hero .button {
    min-height: 54px;
    padding: 16px 21px;
    font-size: 12px;
    gap: 32px;
  }
  .hero-note {
    font-size: 9px;
  }
  .floating-frame {
    width: 115px;
    height: 140px;
    top: auto;
    bottom: 90px;
    right: 7%;
    opacity: 0.65;
    z-index: 0;
    padding: 7px;
  }
  .floating-frame > span:not(.frame-corner) {
    display: none;
  }
  .hero-shade {
    background:
      linear-gradient(90deg, #08170fbb, #0c191335),
      linear-gradient(0deg, #091611a6, transparent 50%);
  }
  .hero-photo {
    background-position: 57% center;
  }
  .promise-strip {
    min-height: 76px;
    gap: 10px;
    font-size: 9px;
  }
  .promise-strip > span:last-child {
    display: none;
  }
  .moments {
    padding-top: 70px;
    padding-bottom: 40px;
  }
  .section-heading {
    display: block;
    margin-bottom: 28px;
  }
  .eyebrow {
    font-size: 10px;
  }
  h2 {
    font-size: 34px;
    letter-spacing: -1.5px;
  }
  .section-heading > p {
    margin-top: 23px;
    font-size: 12px;
  }
  .scene-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .scene-visual {
    width: 100%;
    height: 300px;
  }
  .scene-caption {
    font-size: 17px;
    left: 22px;
  }
  .scene-options {
    width: 100%;
  }
  .scene-option {
    padding: 22px 12px;
    gap: 12px;
  }
  .scene-option strong {
    font-size: 18px;
  }
  .scene-option > span:nth-child(2) > span {
    font-size: 12px;
  }
  .workflow {
    margin-top: 28px;
    gap: 20px;
    flex-direction: column;
    align-items: flex-start;
  }
  .workflow > div {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }
  .workflow-title {
    font-size: 13px;
  }
  .open-inner {
    padding-block: 60px;
    gap: 0;
  }
  .open-symbol {
    position: absolute;
    right: -20px;
    bottom: 15px;
    font-size: 90px;
    opacity: 0.15;
  }
  .open-symbol span {
    font-size: 60px;
  }
  .open-source h2 {
    font-size: 34px;
  }
  .open-source p:not(.eyebrow) {
    font-size: 11px;
  }
  .open-seal {
    right: 4px;
    top: 40px;
    width: 57px;
    height: 57px;
    font-size: 9px;
    letter-spacing: 2px;
  }
  .open-seal span {
    right: 9px;
    bottom: 3px;
  }
  .download {
    padding-top: 65px;
    padding-bottom: 50px;
  }
  .download h2 {
    font-size: clamp(25px, 6.4vw, 37px);
    letter-spacing: -1.5px;
  }
  .record-icon {
    width: 25px;
    height: 25px;
    margin-left: 9px;
  }
  .record-icon:after {
    width: 9px;
    height: 9px;
  }
  .download-actions {
    flex-direction: column;
    align-items: stretch;
    margin: 28px auto 0;
    max-width: 350px;
    gap: 12px;
  }
  .dark {
    justify-content: flex-start;
    gap: 18px;
  }
  .dark > span:last-child {
    margin-left: auto;
  }
  .ios-status {
    min-width: 0;
    justify-content: flex-start;
    gap: 18px;
  }
  .download-note {
    max-width: 300px;
    margin-inline: auto;
    font-size: 10px;
  }
  .download .eyebrow {
    font-size: 10px;
  }
  footer {
    min-height: 100px;
    flex-wrap: wrap;
    padding-block: 22px;
    gap: 15px;
  }
  footer > span {
    display: none;
  }
  footer > a:last-child {
    font-size: 10px;
  }
  .desktop-br {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
  .frame-word svg {
    stroke-dashoffset: 0;
  }
}
/* 开源与隐私说明 */
.gitcode-link {
  margin-left: 28px;
}
.open-source .privacy-note {
  max-width: 530px;
  font-size: 10px !important;
  line-height: 1.9;
  margin-top: 20px;
  color: #abb69f !important;
}
.privacy-note a {
  display: inline-block;
  margin-left: 6px;
  border-bottom: 1px solid #748267;
}
.open-inner {
  gap: 65px;
}
.faq {
  padding-block: 70px;
  border-top: 1px solid var(--line);
}
.faq h2 {
  margin-bottom: 28px;
}
.faq details {
  border-top: 1px solid var(--line);
  padding-block: 20px;
}
.faq details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  font-size: 15px;
  line-height: 1.7;
}
.faq details p {
  max-width: 800px;
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}
.privacy-page {
  max-width: 840px;
  padding-block: 45px 80px;
}
.privacy-page .eyebrow {
  margin-top: 55px;
}
.privacy-page h1 {
  font-size: 38px;
  line-height: 1.4;
}
.privacy-page h2 {
  font-size: 23px;
  letter-spacing: -0.5px;
  margin-top: 40px;
}
.privacy-page p,
.privacy-page li {
  font-size: 15px;
  line-height: 2;
  color: #626b58;
}
.privacy-page li {
  margin-block: 12px;
}
footer > a:not(.brand) {
  font-size: 11px;
  color: var(--muted);
}
@media (max-width: 1100px) {
  .open-symbol {
    display: none;
  }
  .open-inner {
    padding-right: 80px;
  }
}
@media (max-width: 700px) {
  .gitcode-link {
    margin-left: 0;
    display: block;
    width: max-content;
    margin-top: 20px;
  }
  .open-inner {
    padding-right: 0;
  }
  .open-source .privacy-note {
    max-width: 95%;
    font-size: 10px !important;
  }
  .faq {
    padding-block: 45px;
  }
  .faq h2 {
    font-size: 30px;
  }
  .faq summary {
    font-size: 14px;
  }
  .privacy-page h1 {
    font-size: 30px;
  }
  footer {
    column-gap: 12px;
  }
  footer .brand {
    margin-right: auto;
  }
}
.knowledge-page {
  max-width: 900px;
  padding-block: 60px 90px;
}
.knowledge-page h1 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.35;
  letter-spacing: -2px;
}
.knowledge-lead {
  font-size: 17px;
  line-height: 1.9;
  color: #56634c;
}
.knowledge-meta {
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
}
.question-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 25px;
  padding: 28px;
  background: #e8ecdf;
  border-radius: 6px;
  margin: 35px 0 50px;
}
.question-index a {
  font-size: 12px;
  line-height: 1.8;
  border-bottom: 1px solid #c9d2bc;
  padding-bottom: 8px;
}
.answer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 35px;
}
.answer h2,
.knowledge-sources h2 {
  font-size: 24px;
  letter-spacing: -0.6px;
}
.answer p,
.knowledge-sources p {
  font-size: 14px;
  line-height: 2.1;
  color: #626b58;
}
.answer a,
.knowledge-sources p a {
  color: #385e27;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.knowledge-sources {
  padding-top: 45px;
}
.knowledge-sources .button {
  margin-top: 20px;
  font-size: 12px;
}
@media (max-width: 700px) {
  .knowledge-page {
    padding-top: 35px;
  }
  .knowledge-page h1 {
    font-size: 31px;
    letter-spacing: -1px;
  }
  .knowledge-lead {
    font-size: 14px;
  }
  .question-index {
    grid-template-columns: 1fr;
    padding: 22px;
    gap: 12px;
  }
  .answer h2,
  .knowledge-sources h2 {
    font-size: 21px;
  }
  .answer p {
    font-size: 13px;
  }
}