@charset "UTF-8";

:root {
  --ink: #0b2544;
  --ink-soft: #47627d;
  --blue: #1488f4;
  --blue-dark: #086bc9;
  --sky: #eaf6ff;
  --sky-strong: #cfeaff;
  --line: #b7d7ee;
  --paper: #ffffff;
  --off-white: #f8fcff;
  --navy: #071b34;
  --green: #19a978;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

body.menu-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

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

button {
  color: inherit;
}

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

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

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

h1,
h2,
h3 {
  line-height: 1.15;
}

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

.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;
}

.page-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid #dceaf5;
  background: #fff;
}

.header-inner {
  display: flex;
  width: min(1200px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  min-width: 176px;
  align-items: center;
  gap: 11px;
}

.site-brand img {
  width: 48px;
  height: 48px;
  border-radius: 5px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 20px;
  white-space: nowrap;
}

.brand-copy span {
  margin-top: 5px;
  color: #698098;
  font-size: 12px;
  white-space: nowrap;
}

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

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

.main-nav a {
  position: relative;
  display: block;
  padding: 27px 0 25px;
  font-weight: 700;
  white-space: nowrap;
}

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

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

.main-nav a.is-current {
  color: var(--blue-dark);
}

.mobile-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-download {
  display: inline-flex;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--blue);
  border-radius: 5px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #fff;
  background: var(--blue);
  font-weight: 700;
  white-space: nowrap;
}

.header-download:hover {
  color: #fff;
  background: var(--blue-dark);
}

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

.hero {
  position: relative;
  min-height: 760px;
  padding-top: var(--header-height);
  overflow: hidden;
  background:
    linear-gradient(rgba(20, 136, 244, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 136, 244, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, #fff 0, #fff 54%, #eef8ff 54%, #eef8ff 100%);
  background-size: 40px 40px, 40px 40px, auto;
}

.hero-layout {
  display: grid;
  min-height: 684px;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: 56px;
}

.hero-copy {
  padding: 70px 0 60px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 16px;
  font-size: clamp(70px, 8.2vw, 122px);
  letter-spacing: -0.075em;
  white-space: nowrap;
}

.hero-slogan {
  margin-bottom: 22px;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  line-height: 1.25;
}

.hero-intro {
  max-width: 660px;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 2;
}

.hero-points {
  display: flex;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-points span {
  display: inline-flex;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 5px;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.hero-action {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 10px;
}

.primary-link {
  display: inline-flex;
  min-width: 220px;
  min-height: 58px;
  padding: 0 26px;
  border: 1px solid var(--blue);
  border-radius: 5px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #fff;
  background: var(--blue);
  font-size: 16px;
  font-weight: 800;
}

.primary-link:hover {
  color: #fff;
  background: var(--blue-dark);
}

.age-label {
  color: #617b94;
  font-size: 13px;
}

.hero-device {
  position: relative;
  display: flex;
  min-height: 650px;
  align-items: center;
  justify-content: flex-end;
}

.hero-device::before {
  position: absolute;
  top: 50%;
  right: -60px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(20, 136, 244, 0.23);
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.phone-shell {
  position: relative;
  z-index: 1;
  width: 310px;
  height: 610px;
  padding: 14px;
  border: 9px solid #071521;
  border-radius: 46px;
  background: #fff;
}

.phone-shell::before {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  width: 116px;
  height: 28px;
  border-radius: 0 0 17px 17px;
  background: #071521;
  content: "";
  transform: translateX(-50%);
}

.phone-screen {
  height: 100%;
  padding: 8px 14px 14px;
  overflow: hidden;
  border-radius: 29px;
  background: #fff;
}

.phone-status {
  display: flex;
  height: 34px;
  align-items: center;
  justify-content: space-between;
  color: #071521;
  font-size: 12px;
  font-weight: 800;
}

.phone-signal {
  letter-spacing: 0.08em;
}

.phone-brand {
  display: flex;
  margin: 8px 0 14px;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.phone-brand img {
  width: 38px;
  height: 38px;
  border-radius: 5px;
  object-fit: contain;
}

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

.login-heading {
  margin-bottom: 12px;
}

.login-kicker {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.login-heading h2 {
  margin: 4px 0 2px;
  font-size: 27px;
}

.login-heading p,
.phone-note {
  margin-bottom: 0;
  color: #6e8196;
  font-size: 12px;
}

.phone-tabs {
  display: grid;
  margin-bottom: 13px;
  border-bottom: 1px solid #dce7ef;
  grid-template-columns: repeat(2, 1fr);
}

.phone-tab {
  position: relative;
  padding: 9px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.phone-tab::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
}

.phone-tab.is-active {
  color: var(--blue-dark);
}

.phone-tab.is-active::after {
  transform: scaleX(1);
}

.phone-form label > span:first-child {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 700;
}

.phone-input {
  display: flex;
  height: 46px;
  margin-bottom: 9px;
  padding: 0 12px;
  border: 1px solid #d9e4ed;
  border-radius: 5px;
  align-items: center;
  gap: 8px;
  background: #f7fafc;
}

.phone-input input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: none;
  color: var(--ink);
  background: transparent;
  font-size: 12px;
}

.password-toggle,
.phone-options button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.phone-options {
  display: flex;
  margin: 3px 0 12px;
  align-items: center;
  justify-content: space-between;
  color: #6a7e92;
  font-size: 12px;
}

.phone-options label {
  display: flex;
  align-items: center;
  gap: 5px;
}

.phone-options input {
  accent-color: var(--blue);
}

.phone-options button {
  color: var(--blue-dark);
  font-size: 12px;
}

.phone-submit,
.phone-secondary {
  width: 100%;
  height: 46px;
  border: 1px solid var(--blue);
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.phone-submit {
  color: #fff;
  background: var(--blue);
}

.phone-secondary {
  margin-top: 8px;
  color: var(--blue-dark);
  background: #fff;
}

.phone-note {
  margin-top: 10px;
  text-align: center;
}

.section {
  padding: 96px 0;
}

.section-heading {
  margin-bottom: 44px;
}

.section-heading .eyebrow {
  margin-bottom: 12px;
}

.section-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(42px, 5vw, 64px);
  letter-spacing: -0.05em;
}

.section-heading > p:last-child,
.split-heading > p {
  max-width: 470px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.split-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}

.split-heading > div {
  flex: 0 0 auto;
}

.split-heading > div h2 {
  margin-bottom: 0;
}

.shelf-section {
  background: #f3f9fd;
}

.shelf-board {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  grid-template-columns: 230px minmax(0, 1fr);
}

.shelf-tabs {
  display: flex;
  padding: 20px;
  border-right: 1px solid var(--line);
  flex-direction: column;
  gap: 8px;
}

.shelf-tab {
  display: flex;
  width: 100%;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 5px;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}

.shelf-tab span {
  color: #7790a8;
  font-size: 12px;
}

.shelf-tab.is-active {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.shelf-tab.is-active span {
  color: #fff;
}

.shelf-list {
  display: grid;
  padding: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.shelf-item {
  display: grid;
  min-height: 168px;
  padding: 14px;
  border: 1px solid #dce8f1;
  border-radius: 5px;
  grid-template-columns: 82px minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  column-gap: 14px;
}

.shelf-item.is-hidden {
  display: none;
}

.shelf-item img {
  width: 82px;
  height: 110px;
  border-radius: 5px;
  grid-row: 1 / 3;
  object-fit: contain;
  background: #edf5fb;
}

.shelf-item div span {
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 700;
}

.shelf-item h3 {
  margin: 6px 0 5px;
  font-size: 17px;
}

.shelf-item p {
  margin-bottom: 0;
  color: #6f8295;
  font-size: 12px;
}

.shelf-item button {
  justify-self: start;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--blue-dark);
  background: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.update-section {
  background: #fff;
}

.update-panel {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--off-white);
}

.week-strip {
  display: grid;
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(7, 1fr);
}

.week-strip button {
  min-height: 76px;
  padding: 10px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-weight: 700;
}

.week-strip button:last-child {
  border-right: 0;
}

.week-strip button span {
  display: block;
  margin-bottom: 3px;
  color: #7990a7;
  font-size: 12px;
}

.week-strip button.is-active {
  color: #fff;
  background: var(--blue);
}

.week-strip button.is-active span {
  color: #fff;
}

.update-content {
  display: grid;
  padding: 28px;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
}

.update-list {
  border: 1px solid #dce8f1;
  border-radius: 5px;
  background: #fff;
}

.update-list article {
  display: grid;
  min-height: 110px;
  padding: 14px 18px;
  border-bottom: 1px solid #dce8f1;
  align-items: center;
  grid-template-columns: 60px 62px minmax(0, 1fr) auto;
  gap: 16px;
}

.update-list article:last-child {
  border-bottom: 0;
}

.update-list time {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 800;
}

.update-list img {
  width: 62px;
  height: 76px;
  border-radius: 5px;
  object-fit: contain;
  background: #eef6fb;
}

.update-list h3 {
  margin-bottom: 4px;
  font-size: 17px;
}

.update-list p {
  margin-bottom: 0;
  color: #71859a;
  font-size: 12px;
}

.update-list article > span {
  padding: 5px 9px;
  border-radius: 5px;
  color: var(--blue-dark);
  background: var(--sky);
  font-size: 12px;
  font-weight: 700;
}

.reminder-card {
  position: relative;
  padding: 28px;
  overflow: hidden;
  border-radius: 5px;
  color: #fff;
  background: var(--navy);
}

.reminder-card::after {
  position: absolute;
  right: -75px;
  bottom: -75px;
  width: 180px;
  height: 180px;
  border: 28px solid rgba(20, 136, 244, 0.3);
  border-radius: 50%;
  content: "";
}

.reminder-index {
  color: #63c1ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.reminder-card h3 {
  margin: 12px 0 10px;
  font-size: 28px;
}

.reminder-card p {
  color: #bdd1e4;
  font-size: 13px;
}

.switch-control {
  display: inline-flex;
  margin-top: 16px;
  padding: 8px 12px;
  border: 1px solid #446681;
  border-radius: 5px;
  align-items: center;
  gap: 9px;
  color: #fff;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
}

.switch-control > span {
  position: relative;
  display: block;
  width: 36px;
  height: 20px;
  border-radius: 20px;
  background: #5b7085;
}

.switch-control > span::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  content: "";
}

.switch-control.is-on > span {
  background: var(--green);
}

.switch-control.is-on > span::after {
  left: 19px;
}

.reminder-stat {
  position: absolute;
  z-index: 1;
  right: 28px;
  bottom: 25px;
  text-align: right;
}

.reminder-stat strong,
.reminder-stat span {
  display: block;
}

.reminder-stat strong {
  color: #63c1ff;
  font-size: 38px;
  line-height: 1;
}

.reminder-stat span {
  color: #bad0e2;
  font-size: 12px;
}

.screen-section {
  background: var(--navy);
}

.screen-section .section-heading h2,
.screen-section .section-heading > p {
  color: #fff;
}

.screen-section .eyebrow {
  color: #63c1ff;
}

.screen-track {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.screen-card {
  width: 250px;
  margin: 0;
  flex: 0 0 250px;
  border: 1px solid #315372;
  border-radius: 5px;
  overflow: hidden;
  background: #fff;
}

.screen-media {
  display: flex;
  width: 250px;
  height: 450px;
  align-items: center;
  justify-content: center;
  background: #fff;
}

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

.screen-card figcaption {
  display: grid;
  min-height: 92px;
  padding: 16px;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 8px;
}

.screen-card figcaption span {
  color: var(--blue);
  font-weight: 800;
  grid-row: 1 / 3;
}

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

.screen-card figcaption small {
  color: #71859a;
  font-size: 12px;
}

.faq-section {
  background: #f4f9fd;
}

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

.faq-item {
  border-bottom: 1px solid #bfd6e7;
  background: #fff;
}

.faq-item > button {
  display: flex;
  width: 100%;
  min-height: 72px;
  padding: 0 24px;
  border: 0;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: transparent;
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}

.faq-item > button span {
  display: flex;
  align-items: center;
  gap: 24px;
}

.faq-item > button b {
  color: var(--blue-dark);
  font-size: 12px;
}

.faq-item > button i,
.details-mark {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.faq-item > button i::before,
.faq-item > button i::after,
.details-mark::before,
.details-mark::after {
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.faq-item > button i::before,
.details-mark::before {
  width: 14px;
  height: 1px;
}

.faq-item > button i::after,
.details-mark::after {
  width: 1px;
  height: 14px;
}

.faq-item.is-open > button i::after,
.official-site[open] .details-mark::after {
  display: none;
}

.faq-answer {
  padding: 0 64px 24px 82px;
  color: var(--ink-soft);
}

.faq-answer p {
  margin-bottom: 0;
}

.official-site {
  width: 100%;
  margin-top: 24px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: #fff;
}

.official-site summary {
  display: flex;
  min-height: 72px;
  padding: 0 24px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

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

.official-site summary > span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.official-site > div {
  padding: 0 56px 24px;
}

.official-site a {
  color: var(--blue-dark);
  text-decoration: underline;
}

.review-section {
  background: #fff;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.review-card {
  display: flex;
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 5px;
  flex-direction: column;
  background: #fff;
}

.review-card:nth-child(even) {
  border-top-color: var(--navy);
}

.review-head {
  display: grid;
  margin-bottom: 20px;
  align-items: center;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 10px;
}

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

.review-head span {
  color: #f2a900;
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.review-card p {
  margin-bottom: 22px;
  line-height: 1.95;
}

.review-card time {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #d8e5ee;
  color: #71859a;
  font-size: 12px;
  text-align: right;
}

.download-section {
  padding: 76px 0;
  background: #dff2ff;
}

.download-panel {
  display: grid;
  min-height: 190px;
  border: 1px solid #83bfe8;
  border-radius: 5px;
  overflow: hidden;
  background: #fff;
  grid-template-columns: 190px minmax(0, 1fr) 270px;
}

.download-number {
  display: flex;
  padding: 28px;
  border-right: 1px dashed #83bfe8;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #eef8ff;
}

.download-number span {
  color: var(--blue);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
}

.download-number strong {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
}

.download-copy {
  display: flex;
  padding: 32px 40px;
  justify-content: center;
  flex-direction: column;
}

.download-copy .eyebrow {
  margin-bottom: 8px;
}

.download-copy h2 {
  margin-bottom: 10px;
  font-size: 32px;
}

.download-copy p:last-child {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.download-link {
  display: flex;
  padding: 28px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #fff;
  background: var(--blue);
  font-size: 17px;
  font-weight: 900;
  text-align: center;
}

.download-link:hover {
  color: #fff;
  background: var(--blue-dark);
}

.site-footer {
  color: #fff;
  background: var(--navy);
}

.footer-main {
  display: flex;
  min-height: 140px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand .brand-copy span {
  color: #9db5cb;
}

.footer-nav ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-nav a {
  color: #d8e7f5;
  font-size: 13px;
}

.footer-nav a:hover {
  color: #63c1ff;
}

.footer-bottom {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: center;
}

.footer-bottom p {
  margin-bottom: 0;
  color: #9eb4c8;
  font-size: 12px;
}

.back-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: flex;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid #fff;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.i-download,
.i-menu,
.i-search,
.i-book,
.i-bell,
.i-mail,
.i-lock,
.i-eye,
.i-globe,
.i-avatar,
.i-top {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.i-download { background-image: url("../icons/download.svg"); }
.i-menu { background-image: url("../icons/menu.svg"); }
.i-search { background-image: url("../icons/search.svg"); }
.i-book { background-image: url("../icons/book.svg"); }
.i-bell { background-image: url("../icons/bell.svg"); }
.i-mail { background-image: url("../icons/mail.svg"); }
.i-lock { background-image: url("../icons/lock.svg"); }
.i-eye { background-image: url("../icons/eye.svg"); }
.i-globe { background-image: url("../icons/globe.svg"); }
.i-top { background-image: url("../images/top.png"); }

.i-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--sky);
  background-image: url("../icons/avatar.svg");
  background-size: 22px;
}

@media (max-width: 1050px) {
  .main-nav ul {
    gap: 18px;
  }

  .desktop-download {
    padding: 0 15px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 26px;
  }

  .hero-device {
    justify-content: center;
  }

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

  .screen-track {
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 12px;
    scrollbar-width: thin;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 66px;
  }

  .page-shell,
  .header-inner {
    width: min(100% - 28px, 620px);
  }

  .site-brand {
    min-width: 0;
  }

  .site-brand img {
    width: 40px;
    height: 40px;
  }

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

  .brand-copy span {
    max-width: 150px;
    margin-top: 3px;
    overflow: visible;
    font-size: 12px;
    text-overflow: clip;
  }

  .main-nav {
    position: fixed;
    z-index: 999;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    margin: 0;
    border-top: 1px solid #dceaf5;
    border-bottom: 1px solid #dceaf5;
    background: #fff;
  }

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

  .main-nav ul {
    display: block;
    width: min(100% - 28px, 620px);
    margin: 0 auto;
    padding: 8px 0 12px;
  }

  .main-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid #edf3f7;
  }

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

  .desktop-download {
    display: none;
  }

  .mobile-download {
    display: inline-flex;
    min-height: 40px;
    padding: 0 14px;
    font-size: 12px;
  }

  .menu-toggle {
    display: flex;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--ink);
    border-radius: 5px;
    align-items: center;
    justify-content: center;
    background: #fff;
    cursor: pointer;
  }

  .hero {
    min-height: auto;
    background:
      linear-gradient(rgba(20, 136, 244, 0.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(20, 136, 244, 0.055) 1px, transparent 1px),
      #fff;
    background-size: 32px 32px;
  }

  .hero-layout {
    display: flex;
    padding: 54px 0 64px;
    align-items: center;
    flex-direction: column;
    gap: 42px;
  }

  .hero-copy {
    width: 100%;
    padding: 0;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(54px, 19vw, 86px);
  }

  .hero-slogan {
    font-size: 26px;
  }

  .hero-intro {
    margin-right: auto;
    margin-left: auto;
    font-size: 14px;
  }

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

  .hero-device {
    width: 100%;
    min-height: auto;
  }

  .hero-device::before {
    right: auto;
    left: 50%;
    width: 390px;
    height: 390px;
    transform: translate(-50%, -50%);
  }

  .phone-shell {
    width: 290px;
    height: 590px;
  }

  .section {
    padding: 70px 0;
  }

  .split-heading {
    display: block;
  }

  .split-heading > p {
    margin-top: 14px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

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

  .shelf-board {
    display: block;
  }

  .shelf-tabs {
    display: grid;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    grid-template-columns: repeat(4, minmax(120px, 1fr));
    overflow-x: auto;
  }

  .shelf-list {
    grid-template-columns: 1fr;
  }

  .update-content {
    grid-template-columns: 1fr;
  }

  .week-strip {
    overflow-x: auto;
    grid-template-columns: repeat(7, minmax(90px, 1fr));
  }

  .reminder-card {
    min-height: 270px;
  }

  .screen-track {
    margin-right: -14px;
    margin-left: -14px;
    padding: 0 14px 14px;
    gap: 16px;
    scroll-snap-type: x mandatory;
  }

  .screen-card {
    scroll-snap-align: start;
  }

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

  .review-card {
    min-height: 0;
  }

  .download-panel {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .download-link {
    min-height: 68px;
    grid-column: 1 / 3;
  }

  .download-copy {
    padding: 26px;
  }

  .download-number span {
    font-size: 48px;
  }

  .footer-main {
    padding: 34px 0;
    align-items: center;
    flex-direction: column;
  }

  .footer-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .page-shell,
  .header-inner {
    width: calc(100% - 24px);
  }

  .header-inner {
    gap: 7px;
  }

  .site-brand {
    gap: 7px;
  }

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

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy span {
    max-width: 115px;
  }

  .mobile-actions {
    gap: 7px;
  }

  .mobile-download {
    padding: 0 11px;
  }

  .hero-layout {
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .hero-slogan {
    font-size: 23px;
  }

  .hero-points span {
    min-height: 40px;
    padding: 0 10px;
    font-size: 12px;
  }

  .phone-shell {
    width: min(290px, calc(100vw - 46px));
  }

  .section-heading h2 {
    font-size: 38px;
  }

  .shelf-list,
  .update-content {
    padding: 14px;
  }

  .shelf-item {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .shelf-item img {
    width: 72px;
    height: 102px;
  }

  .update-list article {
    padding: 12px;
    grid-template-columns: 48px 52px minmax(0, 1fr);
    gap: 10px;
  }

  .update-list img {
    width: 52px;
    height: 68px;
  }

  .update-list article > span {
    display: none;
  }

  .faq-item > button {
    padding: 0 14px;
  }

  .faq-item > button span {
    gap: 12px;
  }

  .faq-answer {
    padding: 0 44px 20px 48px;
  }

  .official-site summary {
    padding: 0 14px;
  }

  .official-site > div {
    padding: 0 46px 20px;
  }

  .review-card {
    padding: 20px;
  }

  .review-head {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .review-head span {
    grid-column: 2;
  }

  .download-panel {
    display: block;
  }

  .download-number {
    min-height: 110px;
    border-right: 0;
    border-bottom: 1px dashed #83bfe8;
  }

  .download-copy {
    text-align: center;
  }

  .download-copy h2 {
    font-size: 27px;
  }

  .download-link {
    min-height: 70px;
  }

  .footer-nav ul {
    gap: 14px 22px;
  }

  .back-top {
    right: 14px;
    bottom: 14px;
  }
}

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