@charset "UTF-8";

/* 作者：搭客佬
官网：https://www.pixivmax.cn/ */

:root {
  --blue: #0096fa;
  --blue-deep: #0069b8;
  --navy: #061827;
  --navy-soft: #0c2840;
  --ivory: #f6f3eb;
  --paper: #fffdf8;
  --white: #ffffff;
  --ink: #101820;
  --muted: #607080;
  --line: #cdd7df;
  --coral: #ff6b61;
  --yellow: #ffd65a;
  --header-height: 76px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

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

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

button,
a,
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%;
}

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

ul,
ol {
  padding: 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;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--line);
  contain: layout paint;
}

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

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
}

.brand > img,
.footer-brand > img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 11px;
}

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

.brand-copy strong,
.footer-brand strong {
  font-size: 20px;
  font-weight: 800;
}

.brand-copy > span,
.footer-brand > span > span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 40px;
}

.primary-nav a {
  position: relative;
  display: block;
  padding: 25px 0 22px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  content: "";
  background: transparent;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--blue-deep);
}

.primary-nav a.is-active::after {
  background: var(--blue);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 8px;
}

.mobile-download {
  padding: 9px 14px;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.menu-toggle {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  background: var(--white);
  border: 1px solid var(--ink);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.hero {
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
  border-bottom: 1px solid #1e3a50;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 390px;
  align-items: center;
  width: min(calc(100% - 40px), var(--container));
  min-height: 680px;
  margin: 0 auto;
}

.hero-inner::before,
.hero-inner::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.hero-inner::before {
  top: 0;
  right: 0;
  width: 440px;
  height: 100%;
  border-right: 1px solid rgba(0, 150, 250, 0.32);
  border-left: 1px solid rgba(0, 150, 250, 0.22);
}

.hero-inner::after {
  right: 42px;
  bottom: 62px;
  width: 12px;
  height: 12px;
  background: var(--coral);
  border-radius: 50%;
}

.hero-rail {
  position: relative;
  z-index: 2;
  display: flex;
  align-self: stretch;
  flex-direction: column;
  justify-content: space-around;
  padding: 80px 0;
  color: #93a9b8;
  font-size: 12px;
}

.hero-rail::before {
  position: absolute;
  top: 80px;
  bottom: 80px;
  left: 24px;
  width: 1px;
  content: "";
  background: #315069;
}

.hero-rail span {
  position: relative;
  z-index: 1;
  width: 28px;
  background: var(--navy);
}

.hero-copy {
  position: relative;
  z-index: 3;
  max-width: 670px;
  padding: 70px 40px 70px 16px;
}

.eyebrow,
.section-number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin-top: 14px;
  font-size: clamp(88px, 8vw, 124px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  white-space: nowrap;
}

.hero h2 {
  margin-top: 28px;
  font-size: clamp(28px, 2.4vw, 38px);
  line-height: 1.3;
}

.hero-description {
  max-width: 620px;
  margin-top: 22px;
  color: #c3cfda;
  font-size: 16px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 28px;
}

.hero-features li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
}

.feature-dot {
  width: 10px;
  height: 10px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.hero-download {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
  margin-top: 34px;
}

.hero-download > a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 210px;
  padding: 15px 20px;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--blue);
  font-weight: 800;
  white-space: nowrap;
}

.hero-download > a:hover {
  color: var(--navy);
  background: var(--white);
}

.age-label {
  color: #93a9b8;
  font-size: 12px;
}

.hero-device {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  height: 100%;
}

.device-studio {
  position: absolute;
  right: -4px;
  bottom: 112px;
  color: #afc0cd;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
}

.device-orbit {
  position: absolute;
  top: 50%;
  right: 30px;
  width: 380px;
  height: 380px;
  transform: translateY(-50%);
  border: 1px solid rgba(0, 150, 250, 0.38);
  border-radius: 50%;
}

.device-orbit::before,
.device-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(255, 107, 97, 0.36);
  border-radius: 50%;
}

.device-orbit::before {
  inset: 38px;
}

.device-orbit::after {
  inset: 78px;
}

.phone-shell {
  position: relative;
  z-index: 2;
  width: 300px;
  padding: 14px;
  background: #05080b;
  border: 1px solid #53606a;
  border-radius: 38px;
  box-shadow: 20px 24px 0 rgba(0, 150, 250, 0.12);
}

.phone-shell::before {
  position: absolute;
  z-index: 4;
  top: 10px;
  left: 50%;
  width: 82px;
  height: 20px;
  transform: translateX(-50%);
  content: "";
  background: #05080b;
  border-radius: 0 0 14px 14px;
}

.phone-screen {
  position: relative;
  overflow: hidden;
  min-height: 548px;
  padding: 20px 14px 0;
  color: var(--ink);
  background: var(--white);
  border-radius: 27px;
}

.phone-status,
.phone-title-row,
.phone-section-title,
.phone-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-status {
  font-size: 12px;
  font-weight: 700;
}

.phone-title-row {
  margin-top: 18px;
}

.phone-title-row strong {
  font-size: 24px;
}

.phone-search {
  position: relative;
  width: 20px;
  height: 20px;
  border: 2px solid var(--navy);
  border-radius: 50%;
}

.phone-search::after {
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 2px;
  transform: rotate(45deg);
  content: "";
  background: var(--navy);
}

.phone-searchbar {
  margin-top: 14px;
  padding: 9px 12px;
  color: #7b8792;
  background: #edf3f7;
  border-radius: 20px;
  font-size: 12px;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 13px;
  border-bottom: 1px solid #dce5ec;
}

.phone-tabs span {
  padding: 8px 0;
  text-align: center;
  font-size: 12px;
}

.phone-tabs .is-current {
  color: var(--blue-deep);
  border-bottom: 2px solid var(--blue);
  font-weight: 800;
}

.phone-feature {
  position: relative;
  min-height: 116px;
  margin-top: 12px;
  padding: 18px;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-soft);
  border-radius: 12px;
}

.phone-feature::after {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 130px;
  height: 130px;
  content: "";
  background: var(--blue);
  border-radius: 50%;
}

.phone-feature p,
.phone-feature strong,
.phone-feature span {
  position: relative;
  z-index: 1;
  display: block;
}

.phone-feature p,
.phone-feature span {
  font-size: 12px;
}

.phone-feature strong {
  margin: 7px 0;
  font-size: 21px;
  line-height: 1.2;
}

.phone-section-title {
  margin-top: 13px;
  font-size: 12px;
}

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

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

.phone-books {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}

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

.phone-cover {
  display: grid;
  width: 100%;
  aspect-ratio: 3 / 4;
  place-items: center;
  overflow: hidden;
  background: #edf3f7;
  border-radius: 6px;
}

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

.phone-books strong,
.phone-books article > span:last-child {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phone-books strong {
  margin-top: 5px;
  font-size: 12px;
}

.phone-books article > span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.phone-nav {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 11px 20px;
  background: var(--white);
  border-top: 1px solid #dce5ec;
  font-size: 12px;
}

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

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}

.section-inner,
.download-inner,
.footer-inner {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 50px;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  align-items: end;
  gap: 40px;
}

.section-heading h2,
.download-heading h2 {
  margin-top: 8px;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.split-heading > p {
  color: var(--muted);
  font-size: 15px;
}

.coordinate {
  background: var(--ivory);
}

.coordinate-board {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 260px;
  min-height: 290px;
  background: var(--navy);
  border: 1px solid var(--navy);
}

.coordinate-intro {
  padding: 34px 28px;
  color: var(--white);
  border-right: 1px solid #294257;
}

.coordinate-index {
  display: block;
  margin-bottom: 46px;
  color: var(--blue);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.coordinate-intro h3 {
  font-size: 22px;
}

.coordinate-intro p {
  margin-top: 12px;
  color: #9db0bd;
  font-size: 13px;
}

.coordinate-routes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 24px;
  gap: 12px;
}

.route-option {
  display: flex;
  min-width: 0;
  padding: 20px;
  color: var(--white);
  background: #0a2134;
  border: 1px solid #2f4a5f;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.route-option span {
  font-size: 23px;
  font-weight: 800;
}

.route-option small {
  margin-top: 8px;
  color: #91a8b8;
  font-size: 12px;
}

.route-option:hover,
.route-option.is-active {
  color: var(--navy);
  background: var(--blue);
  border-color: var(--blue);
}

.route-option:hover small,
.route-option.is-active small {
  color: #003355;
}

.route-summary {
  padding: 34px 28px;
  color: var(--white);
  background: #092137;
  border-left: 1px solid #294257;
}

.route-summary > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.route-summary > strong {
  display: block;
  margin-top: 12px;
  font-size: 22px;
}

.route-summary p {
  margin-top: 12px;
  color: #a8bac7;
  font-size: 13px;
}

.route-summary ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 28px;
}

.route-summary li {
  padding: 5px 8px;
  color: #b9c7d1;
  border: 1px solid #385268;
  font-size: 12px;
}

.work-index {
  background: var(--paper);
}

.work-shelf {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 26px;
  padding: 24px 34px 0;
}

.work-shelf::after {
  position: absolute;
  z-index: 0;
  right: 0;
  bottom: 0;
  left: 0;
  height: 42px;
  content: "";
  background: var(--navy);
  border-top: 8px solid var(--blue);
}

.work-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr);
  min-height: 310px;
  background: var(--white);
  border: 1px solid var(--navy);
}

.work-card.is-raised {
  transform: translateY(-32px);
}

.work-cover {
  display: grid;
  min-height: 100%;
  padding: 10px;
  place-items: center;
  overflow: hidden;
  background: #edf4f8;
  border-right: 1px solid var(--line);
}

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

.work-copy {
  display: flex;
  min-width: 0;
  padding: 24px 20px;
  flex-direction: column;
}

.work-state {
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 800;
}

.work-copy h3 {
  margin-top: 10px;
  font-size: 23px;
}

.work-meta {
  margin-top: 2px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 700;
}

.work-copy > p:not(.work-meta) {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

.save-work {
  align-self: flex-start;
  margin-top: auto;
  padding: 8px 12px;
  color: var(--blue-deep);
  background: transparent;
  border: 1px solid var(--blue);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.save-work:hover,
.save-work[aria-pressed="true"] {
  color: var(--white);
  background: var(--blue);
}

.interface {
  color: var(--white);
  background: var(--navy);
}

.interface .split-heading > p {
  color: #9db0bd;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.screen-card {
  display: flex;
  min-width: 0;
  background: var(--white);
  border: 1px solid #3b5366;
  flex-direction: column;
}

.screen-window {
  display: grid;
  width: 100%;
  aspect-ratio: 9 / 16;
  place-items: center;
  overflow: hidden;
  background: var(--white);
}

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

.screen-card figcaption {
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 12px;
  padding: 18px;
  color: var(--ink);
  border-top: 1px solid var(--line);
}

.screen-card figcaption span {
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
}

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

.support {
  background: var(--ivory);
}

.accordion,
.official-site {
  border-top: 1px solid var(--ink);
}

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

.accordion-trigger {
  display: grid;
  width: 100%;
  min-height: 74px;
  padding: 18px 24px;
  grid-template-columns: 52px minmax(0, 1fr) 24px;
  align-items: center;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.accordion-trigger strong {
  font-size: 16px;
}

.accordion-index,
.official-icon {
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 800;
}

.accordion-mark {
  position: relative;
  width: 16px;
  height: 16px;
}

.accordion-mark::before,
.accordion-mark::after {
  position: absolute;
  top: 7px;
  left: 1px;
  width: 14px;
  height: 1px;
  content: "";
  background: var(--ink);
}

.accordion-mark::after {
  transform: rotate(90deg);
}

.accordion-trigger[aria-expanded="true"] .accordion-mark::after {
  display: none;
}

.accordion-panel {
  padding: 0 76px 22px;
  color: var(--muted);
  font-size: 14px;
}

.accordion-panel[hidden] {
  display: none;
}

.official-site {
  margin-top: 28px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.official-site .accordion-trigger {
  grid-template-columns: 52px minmax(0, 1fr) 24px;
}

.official-site .accordion-panel a {
  color: var(--blue-deep);
  font-weight: 700;
}

.reviews {
  background: #eef5f8;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.review-card {
  min-width: 0;
  min-height: 250px;
  padding: 26px;
  background: var(--white);
  border-top: 3px solid var(--blue);
  box-shadow: 0 12px 30px rgba(6, 24, 39, 0.07);
}

.review-card:nth-child(3n + 2) {
  border-top-color: var(--navy);
}

.review-card header {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.avatar {
  display: grid;
  width: 40px;
  height: 40px;
  color: var(--white);
  background: var(--navy);
  border-radius: 50%;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
}

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

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

.review-card > p {
  margin-top: 24px;
  color: #253746;
  font-size: 14px;
  line-height: 2;
}

.download {
  padding: 90px 0;
  color: var(--white);
  background: var(--navy);
}

.download-inner {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 40px;
  align-items: end;
}

.download-heading p:last-child {
  margin-top: 18px;
  color: #9db0bd;
  font-size: 14px;
}

.departure-board {
  display: grid;
  min-height: 260px;
  grid-template-columns: 190px minmax(0, 1fr) 190px;
  background: #0a2439;
  border: 1px solid #355168;
}

.departure-steps {
  padding: 28px;
  border-right: 1px solid #355168;
}

.departure-steps li {
  display: grid;
  position: relative;
  min-height: 58px;
  grid-template-columns: 30px 1fr;
  align-items: center;
  gap: 8px;
  color: #7e95a6;
  font-size: 12px;
}

.departure-steps li::after {
  position: absolute;
  top: 44px;
  bottom: -14px;
  left: 12px;
  width: 1px;
  content: "";
  background: #355168;
}

.departure-steps li:last-child::after {
  display: none;
}

.departure-steps .is-current {
  color: var(--white);
}

.departure-steps .is-current span {
  color: var(--navy);
  background: var(--blue);
}

.departure-steps span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid #5f7586;
  border-radius: 50%;
  font-size: 12px;
}

.departure-copy {
  display: flex;
  padding: 36px;
  flex-direction: column;
  justify-content: center;
}

.departure-copy > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.departure-copy > strong {
  margin-top: 12px;
  font-size: 24px;
  line-height: 1.4;
}

.departure-copy p {
  margin-top: 12px;
  color: #9db0bd;
  font-size: 13px;
}

.departure-action {
  display: flex;
  min-height: 100%;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--white);
  background: var(--blue);
  font-weight: 800;
  white-space: nowrap;
}

.departure-action:hover {
  color: var(--navy);
  background: var(--white);
}

.site-footer {
  color: var(--white);
  background: #020d16;
}

.footer-main {
  display: flex;
  min-height: 132px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.72);
}

.footer-brand > span > span {
  color: #9db0bd;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

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

.footer-nav a:hover {
  color: var(--blue);
}

.footer-bottom {
  padding: 24px 0 30px;
  text-align: center;
}

.footer-bottom p {
  color: #8da1b1;
  font-size: 12px;
}

.back-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: grid;
  width: 50px;
  height: 50px;
  padding: 0;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--white);
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
}

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

.back-top i {
  position: relative;
  width: 18px;
  height: 18px;
}

.back-top i::before,
.back-top i::after {
  position: absolute;
  content: "";
}

.back-top i::before {
  top: 4px;
  left: 4px;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  border-top: 2px solid var(--white);
  border-left: 2px solid var(--white);
}

.back-top i::after {
  top: 5px;
  left: 8px;
  width: 2px;
  height: 11px;
  background: var(--white);
}

@media (max-width: 1080px) {
  .primary-nav ul {
    gap: 24px;
  }

  .hero-inner {
    grid-template-columns: 38px minmax(0, 1fr) 330px;
  }

  .hero-copy {
    padding-right: 24px;
  }

  .phone-shell {
    width: 280px;
  }

  .coordinate-board {
    grid-template-columns: 180px minmax(0, 1fr) 230px;
  }

  .work-shelf {
    gap: 16px;
    padding-inline: 0;
  }

  .work-card {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .download-inner {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .departure-board {
    grid-template-columns: 160px minmax(0, 1fr) 150px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 64px;
  }

  html {
    scroll-behavior: auto;
  }

  body {
    line-height: 1.65;
  }

  a,
  button,
  .primary-nav,
  .primary-nav a,
  .accordion-panel,
  .back-top {
    transition: none !important;
    animation: none !important;
  }

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

  .header-inner,
  .section-inner,
  .download-inner,
  .footer-inner {
    width: min(calc(100% - 28px), var(--container));
  }

  .brand {
    gap: 8px;
  }

  .brand > img {
    width: 38px;
    height: 38px;
    border-radius: 9px;
  }

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

  .brand-copy > span {
    margin-top: 3px;
    font-size: 12px;
    white-space: nowrap;
  }

  .header-actions {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    z-index: 999;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    background: var(--white);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

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

  .primary-nav ul {
    display: block;
    width: min(calc(100% - 28px), var(--container));
    margin: 0 auto;
  }

  .primary-nav li + li {
    border-top: 1px solid var(--line);
  }

  .primary-nav a {
    padding: 15px 4px;
    font-size: 14px;
  }

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

  .hero-inner {
    display: grid;
    width: min(calc(100% - 28px), var(--container));
    min-height: auto;
    padding: 64px 0 72px;
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero-inner::before {
    right: 50%;
    width: min(100%, 420px);
    height: 46%;
    transform: translateX(50%);
  }

  .hero-inner::after {
    right: 18px;
    bottom: 34px;
  }

  .hero-rail,
  .device-studio {
    display: none;
  }

  .hero-copy {
    max-width: 680px;
    margin: 0 auto;
    padding: 0;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(68px, 24vw, 104px);
    white-space: normal;
  }

  .hero h2 {
    font-size: clamp(26px, 7vw, 36px);
  }

  .hero-description {
    margin-inline: auto;
  }

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

  .hero-download {
    align-items: center;
  }

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

  .device-orbit {
    right: 50%;
    width: 340px;
    height: 340px;
    transform: translate(50%, -50%);
  }

  .phone-shell {
    width: min(290px, calc(100vw - 56px));
  }

  .section {
    padding: 74px 0;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-heading {
    margin-bottom: 34px;
    text-align: left;
  }

  .section-heading h2,
  .download-heading h2 {
    font-size: clamp(34px, 10vw, 48px);
  }

  .coordinate-board {
    grid-template-columns: 1fr;
  }

  .coordinate-intro {
    border-right: 0;
    border-bottom: 1px solid #294257;
  }

  .coordinate-index {
    margin-bottom: 18px;
  }

  .route-summary {
    border-top: 1px solid #294257;
    border-left: 0;
  }

  .work-shelf {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 0 32px;
  }

  .work-shelf::after {
    height: 24px;
  }

  .work-card,
  .work-card.is-raised {
    min-height: 270px;
    transform: none;
    grid-template-columns: 132px minmax(0, 1fr);
  }

  .screen-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .screen-card figcaption {
    min-height: 64px;
    padding: 14px;
  }

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

  .download-inner {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .download-heading {
    text-align: left;
  }

  .departure-board {
    grid-template-columns: 1fr;
  }

  .departure-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-right: 0;
    border-bottom: 1px solid #355168;
  }

  .departure-steps li {
    display: flex;
    min-height: auto;
    flex-direction: column;
    text-align: center;
  }

  .departure-steps li::after {
    top: 12px;
    right: -50%;
    bottom: auto;
    left: 50%;
    width: 100%;
    height: 1px;
  }

  .departure-action {
    min-height: 74px;
  }

  .footer-main {
    min-height: auto;
    padding: 34px 0;
    flex-direction: column;
    gap: 26px;
    text-align: center;
  }

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

@media (max-width: 560px) {
  .mobile-download {
    padding: 9px 10px;
  }

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

  .hero-inner {
    padding-top: 52px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .hero h2 {
    font-size: 28px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-features {
    gap: 12px 18px;
  }

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

  .coordinate-routes {
    grid-template-columns: 1fr;
  }

  .work-card,
  .work-card.is-raised {
    grid-template-columns: 116px minmax(0, 1fr);
  }

  .work-copy {
    padding: 18px 14px;
  }

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

  .work-copy > p:not(.work-meta) {
    font-size: 12px;
  }

  .screen-grid {
    gap: 8px;
  }

  .screen-card figcaption {
    display: grid;
    min-height: 66px;
    grid-template-columns: 24px 1fr;
    gap: 6px;
    padding: 10px;
  }

  .screen-card figcaption strong {
    font-size: 13px;
  }

  .accordion-trigger,
  .official-site .accordion-trigger {
    min-height: 68px;
    padding: 14px 16px;
    grid-template-columns: 36px minmax(0, 1fr) 20px;
  }

  .accordion-trigger strong {
    font-size: 14px;
  }

  .accordion-panel {
    padding: 0 52px 18px;
    font-size: 13px;
  }

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

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

  .review-card header {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .avatar {
    width: 38px;
    height: 38px;
  }

  .review-card > p {
    margin-top: 20px;
    font-size: 13px;
  }

  .departure-steps {
    padding: 20px 14px;
  }

  .departure-steps li strong {
    font-size: 12px;
  }

  .departure-copy {
    padding: 28px 20px;
    text-align: center;
  }

  .departure-copy > strong {
    font-size: 20px;
  }

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

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

@media (max-width: 380px) {
  .header-inner {
    width: calc(100% - 20px);
  }

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

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

  .mobile-download {
    padding-inline: 8px;
  }

  .header-actions {
    gap: 6px;
  }

  .hero-features {
    flex-direction: column;
  }

  .work-card,
  .work-card.is-raised {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .review-card time {
    font-size: 12px;
  }
}