@charset "UTF-8";

:root {
  --blue: #269ddd;
  --blue-dark: #0d2e45;
  --blue-soft: #eaf7fe;
  --blue-line: #b8d9ea;
  --yellow: #ffe85c;
  --ink: #132631;
  --muted: #5e727c;
  --paper: #fbfaf6;
  --white: #ffffff;
  --line: #d7e3e8;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
  max-width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  min-width: 320px;
  max-width: 100%;
  margin: 0;
  padding-top: var(--header-height);
  overflow-x: hidden;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
a {
  font: inherit;
}

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

button {
  color: inherit;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

p,
h1,
h2,
h3,
figure {
  margin: 0;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.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;
}

.container,
.header-inner,
.hero-inner,
.footer-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.icon-menu {
  background-image: url("../icons/menu.svg");
}

.icon-download {
  background-image: url("../icons/download.svg");
}

.icon-search {
  background-image: url("../icons/search.svg");
}

.icon-tag {
  background-image: url("../icons/tag.svg");
}

.icon-lock {
  background-image: url("../icons/lock.svg");
}

.icon-heart {
  background-image: url("../icons/heart.svg");
}

.icon-world {
  background-image: url("../icons/world.svg");
}

.icon-box {
  background-image: url("../icons/box.svg");
}

.icon-arrow {
  background-image: url("../icons/arrow.svg");
}

.icon-top {
  background-image: url("../icons/top.svg");
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  transform: translateZ(0);
  backface-visibility: hidden;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.brand img,
.footer-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border: 1px solid var(--blue-line);
  border-radius: 5px;
  background: var(--white);
}

.brand-copy,
.footer-brand > span {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}

.brand-copy strong,
.footer-brand strong {
  font-size: 19px;
  font-weight: 800;
}

.brand-copy > span,
.footer-brand small {
  overflow: visible;
  color: var(--muted);
  font-size: 12px;
  text-overflow: clip;
  white-space: nowrap;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: stretch;
  gap: 30px;
}

.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  height: 76px;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after,
.main-nav a.is-current::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 28px;
}

.header-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  color: var(--white);
  background: var(--blue-dark);
  border-radius: 5px;
  font-size: 14px;
  font-weight: 800;
}

.header-download .icon-download {
  filter: brightness(0) invert(1);
}

.header-download:hover,
.header-download:focus-visible {
  color: var(--ink);
  background: var(--yellow);
}

.header-download:hover .icon-download,
.header-download:focus-visible .icon-download {
  filter: none;
}

.mobile-download,
.menu-toggle {
  display: none;
}

.hero {
  min-height: 700px;
  border-bottom: 1px solid var(--line);
  background-color: #f7fbfd;
  background-image:
    linear-gradient(rgba(38, 157, 221, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 157, 221, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  min-height: 700px;
  gap: 72px;
}

.hero-copy {
  padding: 76px 0;
}

.eyebrow,
.section-index,
.download-copy > p {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin-top: 14px;
  color: var(--blue-dark);
  font-size: clamp(72px, 7vw, 116px);
  line-height: 0.95;
  letter-spacing: -0.07em;
  white-space: nowrap;
}

.hero h2 {
  margin-top: 28px;
  font-size: clamp(27px, 2.5vw, 40px);
  line-height: 1.25;
}

.hero-intro {
  max-width: 680px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 17px;
  line-height: 2;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--blue-line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.hero-action {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 30px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 236px;
  min-height: 58px;
  padding: 0 24px;
  color: var(--blue-dark);
  border: 2px solid var(--blue-dark);
  border-radius: 5px;
  background: var(--yellow);
  box-shadow: 7px 7px 0 var(--blue-dark);
  font-size: 16px;
  font-weight: 900;
}

.primary-link:hover,
.primary-link:focus-visible {
  color: var(--white);
  background: var(--blue-dark);
  box-shadow: 3px 3px 0 var(--blue);
}

.primary-link:hover .icon-download,
.primary-link:focus-visible .icon-download {
  filter: brightness(0) invert(1);
}

.age-label {
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

.phone-stage {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.phone-device {
  position: relative;
  width: 340px;
  height: 642px;
  padding: 14px;
  overflow: hidden;
  border: 9px solid #10171b;
  border-radius: 42px;
  background: #10171b;
}

.phone-notch {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 50%;
  width: 124px;
  height: 28px;
  border-radius: 0 0 18px 18px;
  background: #10171b;
  transform: translateX(-50%);
}

.phone-screen {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 25px;
  background: var(--white);
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 32px;
  padding: 5px 16px 0;
  color: #11181d;
  font-size: 12px;
  font-weight: 800;
}

.status-icons {
  letter-spacing: 2px;
}

.phone-appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid #edf2f5;
}

.phone-logo {
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
}

.phone-search {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.phone-searchbox {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  margin: 8px 14px;
  padding: 0 12px;
  color: #72858f;
  border-radius: 5px;
  background: #eff5f8;
  font-size: 12px;
}

.phone-searchbox .icon {
  width: 15px;
  height: 15px;
  flex-basis: 15px;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 14px 8px;
  border-bottom: 1px solid var(--line);
}

.phone-tabs button {
  position: relative;
  min-height: 34px;
  font-size: 12px;
  font-weight: 700;
}

.phone-tabs button::after {
  position: absolute;
  right: 8px;
  bottom: -1px;
  left: 8px;
  height: 2px;
  content: "";
  background: transparent;
}

.phone-tabs button.is-active {
  color: var(--blue);
}

.phone-tabs button.is-active::after {
  background: var(--blue);
}

.phone-feature {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  margin: 0 14px;
  padding: 10px;
  color: var(--white);
  border-radius: 5px;
  background: var(--blue-dark);
}

.phone-feature figure {
  display: grid;
  width: 92px;
  height: 104px;
  overflow: hidden;
  place-items: center;
  border-radius: 5px;
  background: var(--white);
}

.phone-feature img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.phone-feature > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.feature-label {
  color: var(--yellow);
  font-size: 12px;
}

.phone-feature strong {
  margin-top: 3px;
  font-size: 18px;
}

.phone-feature small {
  margin-top: 5px;
  color: #cee7f3;
  font-size: 12px;
}

.phone-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 6px;
  font-size: 12px;
}

.phone-section-title strong {
  font-size: 14px;
}

.phone-section-title span {
  color: var(--muted);
}

.phone-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  padding: 0 14px;
}

.phone-grid article {
  min-width: 0;
}

.phone-grid figure {
  display: grid;
  width: 100%;
  height: 90px;
  overflow: hidden;
  place-items: center;
  border-radius: 5px;
  background: #edf4f7;
}

.phone-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.phone-grid strong,
.phone-grid small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phone-grid strong {
  margin-top: 4px;
  font-size: 12px;
}

.phone-grid small {
  color: var(--muted);
  font-size: 12px;
}

.phone-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: auto;
  padding: 11px 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.phone-nav .is-active {
  color: var(--blue);
  font-weight: 800;
}

.section {
  padding: 110px 0;
}

.section-heading {
  margin-bottom: 45px;
}

.split-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.section-heading h2 {
  margin-top: 9px;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.section-heading > p:not(.section-index),
.split-heading > p {
  max-width: 520px;
  color: var(--muted);
  font-size: 15px;
}

.publish-section {
  background: var(--white);
}

.publish-console {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  border: 1px solid var(--blue-dark);
  border-radius: 5px;
  background: var(--white);
  box-shadow: 14px 14px 0 var(--blue-soft);
}

.publish-steps,
.visibility-panel {
  padding: 38px;
}

.visibility-panel {
  color: var(--white);
  background: var(--blue-dark);
}

.console-label {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.stage-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 20px;
  border: 1px solid var(--line);
}

.stage-options button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 126px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: var(--white);
  text-align: left;
}

.stage-options button:last-child {
  border-right: 0;
}

.stage-options button:hover,
.stage-options button:focus-visible,
.stage-options button.is-active {
  background: var(--yellow);
}

.stage-options span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.stage-options strong {
  margin-top: 22px;
  font-size: 20px;
}

.stage-options small {
  color: var(--muted);
  font-size: 12px;
}

.stage-result {
  display: grid;
  grid-template-columns: 90px 110px 1fr;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 17px 20px;
  border-left: 4px solid var(--blue);
  background: var(--blue-soft);
}

.stage-result span {
  color: var(--muted);
  font-size: 12px;
}

.stage-result strong {
  font-size: 18px;
}

.stage-result p {
  color: var(--muted);
  font-size: 13px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.panel-head h3 {
  margin-top: 7px;
  font-size: 24px;
}

.connection-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #c8dde7;
  font-size: 12px;
}

.connection-state i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #62db9d;
}

.visibility-options {
  display: grid;
  gap: 10px;
  margin-top: 25px;
}

.visibility-options button {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 5px;
  text-align: left;
}

.visibility-options button:hover,
.visibility-options button:focus-visible,
.visibility-options button.is-active {
  color: var(--blue-dark);
  border-color: var(--yellow);
  background: var(--yellow);
}

.visibility-options button:hover .icon,
.visibility-options button:focus-visible .icon,
.visibility-options button.is-active .icon {
  filter: none;
}

.visibility-options .icon {
  filter: brightness(0) invert(1);
}

.visibility-options span {
  display: flex;
  flex-direction: column;
}

.visibility-options strong {
  font-size: 15px;
}

.visibility-options small {
  color: inherit;
  font-size: 12px;
  opacity: 0.75;
}

.visibility-summary {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.visibility-summary span,
.visibility-summary p {
  color: #b6d0dc;
  font-size: 12px;
}

.visibility-summary strong {
  display: block;
  margin: 3px 0;
  color: var(--yellow);
  font-size: 20px;
}

.collection-section {
  color: var(--white);
  background: var(--blue-dark);
}

.collection-section .section-index,
.collection-section .section-heading > p:not(.section-index) {
  color: #8fd9ff;
}

.collection-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 26px;
}

.collection-filter {
  align-self: start;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 5px;
}

.collection-filter > span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.17em;
}

.collection-filter h3 {
  margin: 9px 0 25px;
  font-size: 24px;
  line-height: 1.35;
}

.collection-filter button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 0;
  color: #bdd4df;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  font-size: 14px;
  text-align: left;
}

.collection-filter button:hover,
.collection-filter button:focus-visible,
.collection-filter button.is-active {
  color: var(--yellow);
}

.collection-filter b {
  font-size: 12px;
}

.collection-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.work-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 240px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
}

.work-card figure {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  background: #eef7fa;
}

.work-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.work-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 24px;
}

.work-copy > span {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 800;
}

.work-copy h3 {
  margin-top: 7px;
  font-size: 24px;
}

.work-copy p {
  margin-top: 9px;
  color: #bcd1da;
  font-size: 13px;
}

.reaction-row {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.reaction-row button {
  padding: 7px 10px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 5px;
  font-size: 12px;
}

.reaction-row button:hover,
.reaction-row button:focus-visible,
.reaction-row button[aria-pressed="true"] {
  color: var(--blue-dark);
  border-color: var(--yellow);
  background: var(--yellow);
}

.compact-work {
  grid-template-columns: 120px minmax(0, 1fr);
  min-height: 170px;
}

.compact-work .work-copy h3 {
  font-size: 20px;
}

.screens-section {
  background: #edf8fd;
}

.screen-track {
  display: flex;
  gap: 34px;
  max-width: 100%;
  overflow-x: auto;
  padding: 0 0 18px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--blue) #cfe6f0;
  scrollbar-width: thin;
  cursor: grab;
}

.screen-track.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.screen-card {
  flex: 0 0 250px;
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--blue-line);
  border-radius: 5px;
  background: var(--white);
}

.screen-image {
  display: grid;
  width: 250px;
  height: 450px;
  overflow: hidden;
  place-items: center;
  background: var(--white);
}

.screen-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.screen-card figcaption {
  display: grid;
  grid-template-columns: 38px 1fr;
  padding: 17px 16px;
  border-top: 1px solid var(--blue-line);
}

.screen-card figcaption span {
  grid-row: span 2;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.screen-card figcaption strong {
  font-size: 16px;
}

.screen-card figcaption small {
  color: var(--muted);
  font-size: 12px;
}

.guide-section {
  background: var(--white);
}

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

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

.faq-item > button {
  display: grid;
  grid-template-columns: 48px 1fr 32px;
  align-items: center;
  width: 100%;
  min-height: 82px;
  padding: 0 20px;
  text-align: left;
}

.faq-item > button:hover,
.faq-item > button:focus-visible,
.faq-item > button[aria-expanded="true"] {
  background: var(--blue-soft);
}

.faq-number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.faq-item strong {
  font-size: 17px;
}

.faq-sign {
  justify-self: end;
  font-size: 25px;
  font-weight: 300;
}

.faq-answer {
  padding: 0 78px 24px;
  color: var(--muted);
  font-size: 14px;
}

.official-site {
  margin-top: 22px;
  border: 1px solid var(--blue-dark);
  border-radius: 5px;
}

.official-site summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 22px;
  cursor: pointer;
  list-style: none;
  font-weight: 800;
}

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

.official-site summary > span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.official-sign::before {
  content: "+";
  font-size: 24px;
  font-weight: 300;
}

.official-site[open] .official-sign::before {
  content: "−";
}

.official-answer {
  padding: 0 56px 22px;
}

.official-answer a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.voices-section {
  color: var(--white);
  background: var(--blue-dark);
}

.voices-section .section-index,
.voices-section .section-heading > p:not(.section-index) {
  color: #8ed7f8;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.voice-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 25px;
  color: var(--ink);
  border-top: 5px solid var(--yellow);
  border-radius: 5px;
  background: var(--white);
}

.voice-head {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 11px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.voice-avatar {
  display: block;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--blue-soft);
  background-image: url("../icons/avatar.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
}

.voice-head > div {
  display: flex;
  flex-direction: column;
}

.voice-head strong {
  font-size: 14px;
}

.voice-head span {
  color: var(--blue);
  font-size: 12px;
}

.voice-head time {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.voice-card > p {
  margin-top: 20px;
  font-size: 14px;
  line-height: 2;
}

.download-section {
  padding: 74px 0;
  color: var(--blue-dark);
  background: var(--yellow);
}

.download-shell {
  display: grid;
  grid-template-columns: 180px 1fr 230px;
  align-items: stretch;
  min-height: 168px;
  border: 2px solid var(--blue-dark);
  border-radius: 5px;
  background: var(--white);
  box-shadow: 10px 10px 0 var(--blue-dark);
}

.download-index {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  border-right: 1px dashed var(--blue-line);
  background: var(--blue-soft);
}

.download-index span {
  color: var(--blue);
  font-size: 58px;
  font-weight: 900;
  line-height: 1;
}

.download-index small {
  margin-top: 7px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.download-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px 38px;
}

.download-copy h2 {
  margin-top: 5px;
  font-size: 30px;
  line-height: 1.25;
}

.download-copy > span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px;
  color: var(--white);
  background: var(--blue);
  font-size: 16px;
  font-weight: 900;
}

.download-link .icon-arrow {
  filter: brightness(0) invert(1);
}

.download-link:hover,
.download-link:focus-visible {
  color: var(--yellow);
  background: var(--blue-dark);
}

.site-footer {
  padding: 46px 0 30px;
  color: var(--white);
  background: #091c27;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px 40px;
}

.footer-brand img {
  border-color: rgba(255, 255, 255, 0.2);
}

.footer-brand small {
  color: #9bb3be;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
}

.footer-nav a {
  font-size: 13px;
}

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

.copyright {
  grid-column: 1 / -1;
  color: #9bb3be;
  font-size: 12px;
  text-align: center;
}

.back-top {
  position: fixed;
  z-index: 800;
  right: 28px;
  bottom: 26px;
  display: grid;
  width: 50px;
  height: 50px;
  visibility: hidden;
  place-items: center;
  border: 2px solid var(--blue-dark);
  border-radius: 50%;
  background: var(--yellow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.back-top.is-visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.back-top:hover,
.back-top:focus-visible {
  background: var(--white);
}

:focus-visible {
  outline: 3px solid #ffb91f;
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1100px) {
  .main-nav ul {
    gap: 18px;
  }

  .main-nav li:nth-child(6) {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 38px;
  }

  .publish-console {
    grid-template-columns: 1fr;
  }

  .visibility-panel {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 28px;
  }

  .visibility-options {
    margin-top: 0;
  }

  .visibility-summary {
    grid-column: 1 / -1;
  }

  .collection-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .collection-cards {
    grid-template-columns: 1fr;
  }

  .voice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .container,
  .header-inner,
  .hero-inner,
  .footer-inner {
    width: min(100% - 32px, 680px);
  }

  .site-header {
    height: var(--header-height);
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .main-nav {
    position: absolute;
    z-index: 1001;
    top: 70px;
    right: 0;
    left: 0;
    display: none;
    margin: 0;
    padding: 12px 16px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--white);
    box-shadow: 0 18px 28px rgba(13, 46, 69, 0.12);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .main-nav li:nth-child(6) {
    display: block;
  }

  .main-nav a {
    justify-content: center;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: #f7fbfd;
  }

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

  .header-actions {
    margin-left: auto;
  }

  .header-download {
    min-height: 42px;
    padding: 0 15px;
    white-space: nowrap;
  }

  .header-download .icon {
    display: none;
  }

  .desktop-download {
    display: none;
  }

  .mobile-download,
  .menu-toggle {
    display: inline-flex;
  }

  .menu-toggle {
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--blue-dark);
    border-radius: 5px;
    background: var(--white);
  }

  .hero {
    min-height: 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 10px;
  }

  .hero-copy {
    padding: 70px 0 30px;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(58px, 16vw, 86px);
  }

  .hero-intro {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-points,
  .hero-action {
    justify-content: center;
    align-items: center;
  }

  .phone-stage {
    justify-content: center;
    padding: 12px 0 58px;
  }

  .section {
    padding: 82px 0;
  }

  .split-heading {
    display: block;
  }

  .split-heading > p {
    margin-top: 16px;
  }

  .visibility-panel {
    display: block;
  }

  .visibility-options {
    margin-top: 22px;
  }

  .collection-layout {
    grid-template-columns: 1fr;
  }

  .collection-filter {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .collection-filter > span,
  .collection-filter h3 {
    grid-column: 1 / -1;
  }

  .collection-filter button {
    flex-direction: column;
    align-items: center;
    gap: 3px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 5px;
    text-align: center;
  }

  .download-shell {
    grid-template-columns: 130px 1fr;
  }

  .download-link {
    grid-column: 1 / -1;
    min-height: 72px;
  }
}

@media (max-width: 640px) {
  .container,
  .header-inner,
  .hero-inner,
  .footer-inner {
    width: calc(100% - 28px);
  }

  .brand {
    gap: 7px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy > span {
    font-size: 12px;
  }

  .header-actions {
    gap: 7px;
  }

  .header-download {
    min-height: 40px;
    padding: 0 12px;
    font-size: 12px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .hero-copy {
    padding-top: 56px;
  }

  .eyebrow,
  .section-index,
  .download-copy > p {
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(52px, 18vw, 72px);
    white-space: normal;
  }

  .hero h2 {
    font-size: 27px;
  }

  .hero-intro {
    font-size: 15px;
    line-height: 1.85;
  }

  .hero-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
  }

  .hero-points li {
    flex-direction: column;
    padding: 10px 5px;
  }

  .primary-link {
    min-width: min(280px, 80vw);
  }

  .phone-device {
    width: min(330px, calc(100vw - 38px));
    height: 620px;
  }

  .section {
    padding: 68px 0;
  }

  .section-heading {
    margin-bottom: 30px;
    text-align: center;
  }

  .section-heading h2 {
    font-size: 42px;
  }

  .section-heading > p:not(.section-index),
  .split-heading > p {
    margin-right: auto;
    margin-left: auto;
    font-size: 14px;
  }

  .publish-console {
    box-shadow: 7px 7px 0 var(--blue-soft);
  }

  .publish-steps,
  .visibility-panel {
    padding: 22px;
  }

  .stage-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .stage-options button:nth-child(2) {
    border-right: 0;
  }

  .stage-options button:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .stage-result {
    grid-template-columns: 1fr 1fr;
  }

  .stage-result p {
    grid-column: 1 / -1;
  }

  .collection-filter {
    grid-template-columns: repeat(2, 1fr);
    padding: 22px;
  }

  .collection-cards {
    grid-template-columns: 1fr;
  }

  .work-card,
  .compact-work {
    grid-template-columns: 115px minmax(0, 1fr);
    min-height: 176px;
  }

  .work-copy {
    padding: 18px;
  }

  .work-copy h3,
  .compact-work .work-copy h3 {
    font-size: 19px;
  }

  .reaction-row {
    flex-wrap: wrap;
  }

  .screen-track {
    width: calc(100vw - 14px);
    margin-left: 0;
    gap: 16px;
    padding-right: 28px;
  }

  .faq-item > button {
    grid-template-columns: 34px 1fr 24px;
    min-height: 76px;
    padding: 0 12px;
  }

  .faq-item strong {
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 46px 20px;
  }

  .official-site summary {
    padding: 0 15px;
  }

  .official-answer {
    padding: 0 47px 20px;
  }

  .voice-grid {
    grid-template-columns: 1fr;
  }

  .voice-card {
    min-height: 0;
    padding: 22px;
  }

  .voice-head {
    grid-template-columns: 42px 1fr;
  }

  .voice-head time {
    grid-column: 2;
    justify-self: start;
  }

  .download-section {
    padding: 56px 0;
  }

  .download-shell {
    grid-template-columns: 88px 1fr;
    box-shadow: 6px 6px 0 var(--blue-dark);
  }

  .download-index {
    padding: 16px;
  }

  .download-index span {
    font-size: 42px;
  }

  .download-index small {
    writing-mode: vertical-rl;
  }

  .download-copy {
    padding: 24px 18px;
  }

  .download-copy h2 {
    font-size: 24px;
  }

  .download-link {
    padding: 22px;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .footer-nav ul {
    justify-content: center;
    gap: 14px 20px;
  }

  .copyright {
    width: 100%;
  }

  .back-top {
    right: 14px;
    bottom: 16px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 370px) {
  .container,
  .header-inner,
  .hero-inner,
  .footer-inner {
    width: calc(100% - 20px);
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .brand-copy strong {
    font-size: 13px;
  }

  .brand-copy > span {
    font-size: 12px;
  }

  .header-download {
    padding: 0 9px;
  }

  .main-nav ul {
    grid-template-columns: 1fr;
  }

  .hero-points li {
    font-size: 12px;
  }

  .phone-device {
    width: calc(100vw - 24px);
    height: 600px;
  }

  .phone-feature {
    grid-template-columns: 78px 1fr;
  }

  .phone-feature figure {
    width: 78px;
  }
}

@media (hover: none) {
  a,
  button,
  summary {
    transition: none !important;
    animation: none !important;
  }

  a:active,
  button:active,
  summary:active {
    opacity: 1;
    filter: none;
    transform: none;
  }
}
