:root {
  color-scheme:light;
  --ink:#123b30;
  --muted:#52675b;
  --green:#176d4b;
  --line:#dbe3d7;
  --paper:#f6f8f2;
  --content:1280px;
  --gutter:clamp(22px,5vw,72px);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
}

* {
  box-sizing:border-box;
}

body,h1,h2,h3,p,figure,dl,dd,ol,ul {
  margin:0;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:30px;
}

body {
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

a {
  color:var(--green);
  text-underline-offset:.24em;
}

a:hover {
  text-decoration-thickness:2px;
}

a:focus-visible,summary:focus-visible {
  outline:3px solid #32916d;
  outline-offset:5px;
  border-radius:3px;
}

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

svg {
  flex:none;
}

.wrap {
  width:min(var(--content),calc(100% - var(--gutter)*2));
  margin-inline:auto;
}

.skip {
  position:absolute;
  z-index:5;
  background:white;
  padding:8px 16px;
  transform:translateY(-150%);
}

.skip:focus {
  transform:none;
}

.site-head {
  border-bottom:1px solid var(--line);
}

.head-row,.brand,nav,.site-foot .wrap,.foot-links {
  display:flex;
  align-items:center;
}

.head-row {
  min-height:82px;
  gap:28px;
}

.brand {
  gap:10px;
  text-decoration:none;
  color:var(--ink);
  font-size:23px;
  font-weight:720;
  letter-spacing:-.04em;
  white-space:nowrap;
  margin-right:auto;
}

.brand img {
  width:35px;
  border-radius:8px;
}

nav {
  gap:30px;
  min-width:0;
}

nav a,.foot-links a {
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  text-decoration:none;
  white-space:nowrap;
}

nav a[aria-current=page] {
  color:var(--ink);
}

nav a {
  display:flex;
  align-items:center;
  min-height:40px;
}

.language {
  position:relative;
  font-size:13px;
}

.language summary {
  list-style:none;
  display:flex;
  align-items:center;
  gap:7px;
  cursor:pointer;
  padding:9px 10px;
  min-height:42px;
  border-radius:8px;
}

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

.language summary:hover {
  background:#e8eee3;
}

.language ul {
  list-style:none;
  position:absolute;
  z-index:4;
  top:calc(100% + 8px);
  right:0;
  min-width:180px;
  padding:8px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  box-shadow:0 14px 40px #123b3018;
}

.language li a {
  display:block;
  text-decoration:none;
  color:var(--ink);
  padding:7px 12px;
  border-radius:6px;
  min-height:38px;
}

.language li a:hover,.language a[aria-current=true] {
  background:#eaf3e7;
}

.hero {
  padding-top:62px;
}

.hero-copy {
  text-align:center;
  max-width:900px;
  margin:0 auto 42px;
}

.kicker,.section-label {
  font-size:13px;
  letter-spacing:.1em;
  font-weight:700;
  color:var(--green);
}

.kicker {
  margin-bottom:16px;
}

h1 {
  font-size:clamp(44px,5.15vw,72px);
  line-height:1.12;
  letter-spacing:-.055em;
  font-weight:680;
  text-wrap:balance;
}

h1 span {
  display:block;
  color:#347d58;
  margin-top:9px;
}

.hero-intro {
  max-width:700px;
  font-size:18px;
  line-height:1.8;
  color:var(--muted);
  margin:24px auto 0;
  text-wrap:pretty;
}

.hero-actions {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:18px 28px;
  margin-top:28px;
}

.cta {
  background:var(--ink);
  color:white;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:30px;
  padding:13px 23px;
  text-decoration:none;
  border-radius:7px;
  font-weight:600;
  min-height:50px;
}

.cta:hover {
  background:#206248;
}

.status-link {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  text-decoration:none;
  min-height:44px;
}

.status-dot {
  width:7px;
  height:7px;
  border-radius:50%;
  background:#b17a2d;
  display:inline-block;
  flex:none;
}

.compat {
  font-size:12px;
  color:var(--muted);
  margin-top:17px;
}

.hero-scene {
  position:relative;
  border-radius:18px;
  overflow:hidden;
  background:#d9e3d0;
}

.hero-scene img {
  width:100%;
  aspect-ratio:16/8.3;
  object-fit:cover;
  object-position:50% 55%;
}

.hero-scene figcaption,.feature-scene figcaption {
  position:absolute;
  bottom:12px;
  left:16px;
  max-width:calc(100% - 32px);
  font-size:11px;
  line-height:1.5;
  color:white;
  background:#102e23a8;
  border-radius:4px;
  padding:3px 7px;
  backdrop-filter:blur(4px);
}

.scene-links {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-bottom:1px solid var(--line);
  padding:25px 0 26px;
  gap:20px;
}

.scene-links a {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  min-height:40px;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
}

.scene-links svg {
  width:21px;
  height:21px;
  color:var(--green);
}

.tag-arrow {
  margin-left:4px;
  color:#78947c;
  font-size:18px;
}

.scene-links a:hover {
  color:var(--green);
}

.power-section {
  padding-block:105px;
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:8%;
  align-items:center;
}

.section-label {
  margin-bottom:15px;
}

.section-copy h2,.control-heading h2,.availability h2 {
  font-size:clamp(30px,3.1vw,44px);
  line-height:1.25;
  letter-spacing:-.035em;
  font-weight:650;
  text-wrap:balance;
}

.section-intro {
  font-size:17px;
  color:var(--muted);
  margin-top:22px;
  line-height:1.85;
  text-wrap:pretty;
}

.note {
  font-size:12px;
  color:var(--muted);
  line-height:1.8;
  margin-top:24px;
}

.power-readout {
  padding:30px 32px;
  background:#e8efdf;
  border:1px solid #d5e0cb;
  border-radius:16px;
}

.readout-head {
  display:flex;
  align-items:center;
  gap:9px;
  color:#537149;
  font-size:12px;
  letter-spacing:.04em;
}

.readout-head svg {
  width:17px;
  height:17px;
}

.power-readout dl {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:32px;
}

.power-readout dt {
  font-size:12px;
  color:var(--muted);
  flex:1;
}

.power-readout dl > div {
  display:flex;
  flex-direction:column;
}

.power-readout dd {
  font-size:38px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:-.06em;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

.power-readout small {
  font-size:12px;
  font-weight:500;
  margin-left:5px;
  letter-spacing:0;
}

.power-readout dl>div:last-child dd {
  color:#9a5a29;
}

.power-readout figcaption {
  font-size:12px;
  line-height:1.8;
  color:var(--muted);
  border-top:1px solid #cfdcc5;
  margin-top:25px;
  padding-top:19px;
}

.scene-section {
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:8%;
  align-items:center;
  margin-bottom:105px;
}

.feature-scene {
  position:relative;
  overflow:hidden;
  border-radius:16px;
  background:#d9e3d0;
}

.feature-scene img {
  width:100%;
  aspect-ratio:1/1.04;
  object-fit:cover;
}

.feature-list {
  margin-top:25px;
}

.feature-list>div {
  padding:18px 0;
  border-bottom:1px solid var(--line);
}

.feature-list>div:first-child {
  border-top:1px solid var(--line);
}

.feature-list dt {
  font-size:15px;
  font-weight:650;
}

.feature-list dd {
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
  margin-top:5px;
}

.flow-section {
  grid-template-columns:.95fr 1.05fr;
}

.flow-section .feature-scene img {
  aspect-ratio:1.06/1;
  object-position:48% 50%;
}

.task-tags {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:25px;
}

.task-tags span {
  font-size:12px;
  padding:5px 12px;
  border:1px solid #d0ddc9;
  background:#edf3e7;
  border-radius:30px;
  color:#42643f;
}

.control-section {
  background:#123d31;
  color:#edf5e6;
  padding:75px 0 80px;
}

.control-heading {
  max-width:730px;
}

.control-section .section-label {
  color:#a5cca7;
}

.control-section .section-intro {
  color:#bad0bd;
}

.control-features {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:55px;
  margin-top:44px;
}

.control-features>div {
  border-top:1px solid #ffffff30;
  padding-top:22px;
}

.feature-number {
  font-size:12px;
  color:#a5cca7;
}

.control-features h3 {
  font-size:19px;
  font-weight:600;
  margin-top:13px;
  line-height:1.4;
}

.control-features p {
  font-size:14px;
  color:#bad0bd;
  margin-top:12px;
  line-height:1.9;
}

.availability {
  padding-block:85px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:9%;
  align-items:center;
}

.availability .section-label {
  display:flex;
  align-items:center;
  gap:9px;
}

.availability h2 {
  font-size:34px;
}

.availability .section-intro {
  font-size:15px;
}

.release-plan {
  padding:27px 30px;
  border-left:2px solid #c6d4be;
  background:#edf1e6;
  border-radius:0 10px 10px 0;
}

.release-plan h3 {
  font-size:18px;
  font-weight:620;
}

.release-plan p {
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  margin:13px 0 22px;
}

.text-link {
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  display:inline-flex;
  gap:14px;
  align-items:center;
  min-height:30px;
}

.privacy-band {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}

.privacy-band .wrap {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
}

.privacy-band h2 {
  font-size:20px;
  letter-spacing:-.025em;
  font-weight:600;
}

.privacy-band p {
  font-size:13px;
  color:var(--muted);
  margin-top:6px;
}

.site-foot .wrap {
  justify-content:space-between;
  gap:20px;
  padding-block:24px;
  font-size:12px;
  color:var(--muted);
}

.foot-links {
  gap:24px;
}

.foot-links a {
  font-size:12px;
}

.doc {
  display:grid;
  grid-template-columns:minmax(0,760px) 280px;
  gap:40px 80px;
  max-width:1120px;
  padding-block:65px 85px;
}

.doc>header {
  grid-column:1;
}

.doc h1 {
  font-size:46px;
  line-height:1.25;
  letter-spacing:-.04em;
}

.doc .lead {
  font-size:18px;
  color:var(--muted);
  margin-top:20px;
  line-height:1.8;
}

.updated {
  font-size:12px;
  color:var(--muted);
  margin-bottom:14px;
}

.contact {
  grid-column:2;
  grid-row:1/3;
  border-top:2px solid #b2c4a7;
  padding-top:20px;
  align-self:start;
  margin-top:8px;
}

.contact h2 {
  font-size:17px;
  font-weight:650;
}

.contact p {
  font-size:14px;
  color:var(--muted);
  margin:12px 0;
}

.contact a {
  font-size:14px;
  overflow-wrap:anywhere;
}

.faq,.prose {
  grid-column:1;
}

.faq details {
  border-top:1px solid var(--line);
  padding-block:21px;
}

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

.faq summary {
  font-weight:600;
  font-size:17px;
  cursor:pointer;
  padding-right:12px;
}

.faq details p {
  margin-top:15px;
  color:var(--muted);
  line-height:1.9;
  font-size:15px;
}

.prose h2 {
  font-size:21px;
  font-weight:650;
  line-height:1.4;
  margin:28px 0 12px;
}

.prose h2:first-child {
  margin-top:0;
}

.prose p {
  font-size:15px;
  line-height:1.95;
  color:var(--muted);
}

@media(min-width:1500px) {
  .hero {
    padding-top:72px;
  }
  .hero-copy {
    margin-bottom:48px;
  }
}

@media(max-width:1100px) {
  .head-row {
    gap:18px;
  }
  nav {
    gap:20px;
  }
  .power-section,.scene-section {
    gap:5%;
  }
  .power-readout {
    padding:25px 24px;
  }
  .power-readout dd {
    font-size:32px;
  }
  .power-readout dl {
    gap:12px;
  }
  .control-features {
    gap:32px;
  }
  .doc {
    gap:40px;
    grid-template-columns:minmax(0,1fr) 245px;
  }
  .hero-copy {
    max-width:800px;
  }
  h1 {
    font-size:60px;
  }
  .section-copy h2 {
    font-size:36px;
  }
  .feature-scene img {
    aspect-ratio:1/1.23;
  }
}

@media(max-width:800px) {
  :root {
    --gutter:26px;
  }
  .head-row {
    min-height:76px;
    flex-wrap:wrap;
    gap:0 16px;
    padding-block:14px;
  }
  .brand {
    font-size:21px;
  }
  .brand img {
    width:31px;
    height:31px;
  }
  .language {
    order:2;
  }
  nav {
    order:3;
    width:100%;
    justify-content:center;
    gap:36px;
    border-top:1px solid var(--line);
    padding-top:11px;
    margin-top:12px;
  }
  nav a {
    font-size:13px;
  }
  .hero {
    padding-top:45px;
  }
  .hero-copy {
    margin-bottom:30px;
  }
  h1 {
    font-size:clamp(38px,6.6vw,54px);
  }
  .hero-intro {
    font-size:16px;
    max-width:590px;
  }
  .hero-scene img {
    aspect-ratio:1.5;
    object-position:57% 50%;
  }
  .scene-links {
    gap:10px;
    padding:18px 0;
  }
  .scene-links a {
    font-size:12px;
    gap:7px;
  }
  .scene-links svg {
    width:17px;
    height:17px;
  }
  .tag-arrow {
    display:none;
  }
  .power-section {
    grid-template-columns:1fr;
    gap:30px;
    padding-block:64px;
  }
  .section-copy h2,.control-heading h2,.availability h2 {
    font-size:34px;
  }
  .section-intro {
    font-size:16px;
    margin-top:18px;
  }
  .power-readout {
    padding:26px 30px;
  }
  .power-readout dd {
    font-size:40px;
  }
  .scene-section {
    grid-template-columns:1fr;
    gap:28px;
    margin-bottom:64px;
  }
  .scene-section .section-copy {
    grid-row:1;
  }
  .feature-scene img,.flow-section .feature-scene img {
    aspect-ratio:1.5;
    object-position:center;
  }
  .note {
    margin-top:20px;
    font-size:12px;
  }
  .feature-list {
    margin-top:18px;
  }
  .control-section {
    padding:55px 0;
  }
  .control-features {
    gap:25px;
    margin-top:35px;
  }
  .control-features h3 {
    font-size:17px;
  }
  .availability {
    padding-block:58px;
    grid-template-columns:1fr;
    gap:30px;
  }
  .release-plan {
    padding:23px 26px;
  }
  .privacy-band .wrap {
    align-items:flex-start;
  }
  .privacy-band h2 {
    font-size:18px;
  }
  .privacy-band .text-link {
    white-space:nowrap;
  }
  .doc {
    grid-template-columns:1fr;
    padding-block:45px 60px;
    gap:30px;
  }
  .doc>header,.faq,.prose,.contact {
    grid-column:1;
  }
  .contact {
    grid-row:3;
    margin-top:12px;
  }
  .doc h1 {
    font-size:38px;
  }
  .doc .lead {
    font-size:17px;
  }
}

@media(max-width:520px) {
  :root {
    --gutter:21px;
  }
  .language summary {
    padding-inline:5px;
    font-size:12px;
  }
  .language summary svg {
    width:16px;
  }
  .hero {
    padding-top:36px;
  }
  .kicker {
    font-size:11px;
    letter-spacing:.06em;
  }
  .hero h1 {
    font-size:38px;
    line-height:1.2;
    letter-spacing:-.04em;
  }
  .hero-intro {
    font-size:15px;
    margin-top:20px;
    line-height:1.8;
  }
  .hero-actions {
    gap:12px 18px;
    margin-top:22px;
  }
  .cta {
    font-size:14px;
    padding:11px 19px;
    gap:22px;
    min-height:46px;
  }
  .status-link {
    font-size:12px;
  }
  .compat {
    font-size:11px;
    margin-top:14px;
  }
  .hero-scene {
    border-radius:12px;
  }
  .hero-scene img {
    aspect-ratio:1.18;
    object-position:61% 50%;
  }
  .hero-scene figcaption,.feature-scene figcaption {
    font-size:9px;
    left:10px;
    bottom:10px;
    max-width:calc(100% - 20px);
  }
  .scene-links {
    gap:10px;
  }
  .scene-links a {
    flex-direction:column;
    text-align:center;
    gap:6px;
    font-size:11px;
    line-height:1.55;
  }
  .scene-links svg {
    width:20px;
    height:20px;
  }
  .power-section {
    padding-block:52px;
  }
  .section-copy h2,.control-heading h2,.availability h2 {
    font-size:29px;
    line-height:1.3;
  }
  .section-label {
    font-size:11px;
    letter-spacing:.07em;
    margin-bottom:12px;
  }
  .section-intro {
    font-size:15px;
    line-height:1.9;
    margin-top:17px;
  }
  .power-readout {
    padding:22px 20px;
  }
  .power-readout dl {
    gap:9px;
    margin-top:25px;
  }
  .power-readout dt {
    font-size:10px;
  }
  .power-readout dd {
    font-size:30px;
    letter-spacing:-.055em;
  }
  .power-readout small {
    font-size:10px;
    margin-left:3px;
  }
  .power-readout figcaption {
    font-size:11px;
    margin-top:20px;
    padding-top:15px;
  }
  .readout-head {
    font-size:11px;
  }
  .feature-scene {
    border-radius:12px;
  }
  .scene-section {
    gap:25px;
    margin-bottom:52px;
  }
  .control-features {
    grid-template-columns:1fr;
    gap:24px;
    margin-top:30px;
  }
  .control-features>div {
    padding-top:18px;
  }
  .control-features h3 {
    display:inline;
    margin-left:11px;
    font-size:17px;
  }
  .control-features p {
    margin-top:10px;
    font-size:14px;
  }
  .control-heading .section-intro {
    font-size:15px;
  }
  .availability {
    padding-block:49px;
  }
  .privacy-band {
    padding:28px 0;
  }
  .privacy-band .wrap {
    display:block;
  }
  .privacy-band .text-link {
    margin-top:16px;
  }
  .site-foot .wrap {
    align-items:flex-start;
    flex-direction:column;
    gap:12px;
    padding-block:23px;
  }
  .foot-links {
    gap:22px;
  }
  .doc h1 {
    font-size:34px;
  }
  .doc {
    padding-top:36px;
  }
  .faq summary {
    font-size:16px;
  }
  .faq details p,.prose p {
    font-size:14px;
  }
}

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