@charset "UTF-8";

/* 作者：搭客佬
链接：https://www.mmmhpro.cn/ */

:root {
  --navy: #101c3d;
  --navy-deep: #09122b;
  --coral: #ff6758;
  --coral-dark: #e74d42;
  --ice: #e9f7ff;
  --ice-strong: #c9eaff;
  --bone: #fffaf1;
  --ink: #111827;
  --muted: #687286;
  --line: #b9cddd;
  --white: #ffffff;
  --header-height: 76px;
  --content-width: 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);
  color: var(--ink);
  background: var(--bone);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
  font: inherit;
}

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

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

ul {
  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;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 250, 241, 0.98);
  border-bottom: 1px solid var(--navy);
  transform: translateZ(0);
  backface-visibility: hidden;
}

.header-inner,
.footer-inner,
.section-heading,
.compass-layout,
.archive-table,
.screenshot-grid,
.faq-list,
.official-site,
.review-grid {
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
}

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

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

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

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

.brand-copy span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.site-nav ul,
.site-footer nav ul {
  display: flex;
  align-items: center;
}

.site-nav ul {
  gap: 38px;
}

.site-nav a {
  position: relative;
  display: block;
  padding: 27px 0 23px;
  font-size: 14px;
  font-weight: 700;
}

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

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

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

.mobile-download {
  padding: 10px 14px;
  color: var(--white);
  background: var(--coral);
  border: 1px solid var(--navy);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

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

.i-menu,
.i-download,
.i-search,
.i-archive,
.i-bookmark,
.i-bell,
.i-globe,
.i-avatar,
.i-up {
  display: inline-block;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.i-menu { background-image: url("../icons/menu.svg"); }
.i-download { background-image: url("../icons/download.svg"); }
.i-search { background-image: url("../icons/search.svg"); }
.i-archive { background-image: url("../icons/archive.svg"); }
.i-bookmark { background-image: url("../icons/bookmark.svg"); }
.i-bell { background-image: url("../icons/bell.svg"); }
.i-globe { background-image: url("../icons/globe.svg"); }
.i-avatar { background-image: url("../icons/avatar.svg"); }
.i-up { background-image: url("../icons/up.svg"); }

.hero {
  min-height: 690px;
  background: linear-gradient(90deg, var(--ice) 0 38%, var(--bone) 38% 100%);
  border-bottom: 1px solid var(--navy);
}

.archive-sheet {
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr) 400px;
  width: min(100%, 1480px);
  min-height: 690px;
  margin: 0 auto;
}

.issue-rail {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  background: var(--coral);
  border-right: 1px solid var(--navy);
}

.issue-rail span {
  font-family: Georgia, serif;
  font-size: 86px;
  font-weight: 700;
  line-height: 1;
  writing-mode: vertical-rl;
}

.issue-rail small {
  margin-top: 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.8;
}

.hero-copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: 70px 72px;
  background: var(--bone);
}

.eyebrow,
.section-index,
.download-copy > p {
  color: var(--coral-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.hero-copy h1 {
  max-width: 100%;
  margin-top: 18px;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: clamp(68px, 6.6vw, 112px);
  letter-spacing: -0.06em;
  line-height: 0.95;
  white-space: nowrap;
}

.hero-copy h2 {
  margin-top: 28px;
  font-size: 30px;
  line-height: 1.25;
}

.hero-description {
  max-width: 620px;
  margin-top: 20px;
  color: #465065;
  font-size: 15px;
}

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

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 196px;
  padding: 15px 24px;
  color: var(--white);
  background: var(--navy);
  border: 1px solid var(--navy);
  font-size: 15px;
  font-weight: 700;
}

.primary-link:hover {
  color: var(--navy);
  background: var(--coral);
}

.primary-link .i-download {
  filter: invert(1);
}

.age-label {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.hero-points {
  display: flex;
  width: 100%;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.hero-points li {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 8px;
  padding: 18px 0;
  font-size: 13px;
  font-weight: 700;
}

.hero-points li + li {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.hero-points i {
  width: 18px;
  height: 18px;
}

.phone-exhibit {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  padding: 80px 36px 0;
  color: var(--white);
  background-color: var(--navy);
  background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  border-left: 1px solid var(--navy);
}

.phone-exhibit::before {
  position: absolute;
  top: 115px;
  right: -85px;
  width: 260px;
  height: 260px;
  background: var(--coral);
  border-radius: 50%;
  content: "";
}

.exhibit-tag {
  position: absolute;
  z-index: 2;
  top: 34px;
  left: 32px;
  padding-bottom: 6px;
  color: var(--ice-strong);
  border-bottom: 1px solid var(--coral);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.phone-shell {
  position: relative;
  z-index: 2;
  width: 290px;
  padding: 15px;
  background: #0b0e15;
  border: 2px solid #000;
  border-radius: 42px 42px 0 0;
  box-shadow: 22px 24px 0 rgba(255, 103, 88, 0.32);
}

.phone-screen {
  overflow: hidden;
  min-height: 565px;
  color: var(--ink);
  background: var(--white);
  border-radius: 29px 29px 0 0;
}

.phone-status,
.phone-titlebar,
.phone-tabs,
.phone-list-title,
.phone-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-status {
  padding: 14px 16px 7px;
  font-size: 12px;
  font-weight: 700;
}

.phone-titlebar {
  padding: 12px 16px;
}

.phone-titlebar strong {
  color: var(--coral-dark);
  font-size: 21px;
}

.phone-titlebar i {
  width: 18px;
  height: 18px;
}

.phone-search {
  margin: 0 15px;
  padding: 11px 14px;
  color: #8790a2;
  background: #eef2f6;
  border-radius: 24px;
  font-size: 12px;
}

.phone-tabs {
  padding: 15px 22px 9px;
  border-bottom: 1px solid #d9e0e7;
  font-size: 12px;
}

.phone-tabs span {
  padding-bottom: 6px;
}

.phone-tabs .active {
  color: var(--coral-dark);
  border-bottom: 2px solid var(--coral);
}

.phone-feature {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 6px;
  min-height: 118px;
  margin: 12px 15px;
  padding: 20px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy) 0 60%, var(--coral) 60%);
}

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

.phone-feature strong {
  max-width: 165px;
  font-size: 18px;
  line-height: 1.35;
}

.phone-list-title {
  padding: 5px 15px 9px;
  font-size: 12px;
}

.phone-covers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 15px;
}

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

.phone-covers img {
  width: 100%;
  height: 96px;
  object-fit: contain;
  background: #edf3f6;
}

.phone-covers strong {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  font-size: 12px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phone-bottom {
  margin-top: 20px;
  padding: 13px 20px;
  color: #7d8796;
  border-top: 1px solid #d9e0e7;
  font-size: 12px;
}

.phone-bottom span:first-child {
  color: var(--coral-dark);
}

.compass-section,
.updates-section,
.gallery-section,
.faq-section,
.reviews-section {
  padding: 100px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 44px;
}

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

.section-heading h2 {
  margin-top: 7px;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: 52px;
  line-height: 1.1;
}

.section-heading > p {
  max-width: 520px;
  padding-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
  text-align: right;
}

.compass-section {
  color: var(--white);
  background: var(--coral);
}

.section-heading-light .section-index {
  color: var(--navy);
}

.section-heading-light > p {
  color: rgba(255, 255, 255, 0.9);
}

.compass-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--navy);
}

.compass-visual {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  background: var(--ice);
  border-right: 1px solid var(--navy);
}

.compass-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--navy);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ring-one {
  width: 310px;
  height: 310px;
}

.ring-two {
  width: 205px;
  height: 205px;
  border-color: var(--coral);
}

.compass-visual::before,
.compass-visual::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 86%;
  height: 1px;
  background: var(--line);
  content: "";
  transform: translate(-50%, -50%);
}

.compass-visual::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.compass-center {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: 130px;
  height: 130px;
  place-content: center;
  color: var(--white);
  background: var(--navy);
  border: 8px solid var(--white);
  border-radius: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
}

.compass-center strong {
  font-size: 14px;
}

.compass-center span {
  margin-top: 4px;
  color: var(--ice-strong);
  font-size: 12px;
}

.compass-axis {
  position: absolute;
  z-index: 3;
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
}

.axis-top { top: 38px; left: 50%; transform: translateX(-50%); }
.axis-right { top: 50%; right: 40px; transform: translateY(-50%); }
.axis-bottom { bottom: 38px; left: 50%; transform: translateX(-50%); }
.axis-left { top: 50%; left: 40px; transform: translateY(-50%); }

.filter-panel {
  padding: 48px;
  color: var(--ink);
  background: var(--bone);
}

.filter-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--navy);
}

.filter-title span {
  color: var(--coral-dark);
  font-size: 12px;
  font-weight: 800;
}

.filter-title strong {
  font-size: 22px;
}

.filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.filter-card {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  min-height: 126px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  cursor: pointer;
  text-align: left;
}

.filter-card:hover,
.filter-card.is-selected {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.filter-card span {
  color: var(--coral-dark);
  font-size: 12px;
  font-weight: 800;
}

.filter-card strong {
  margin-top: 14px;
  font-size: 17px;
}

.filter-card small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.filter-card.is-selected small,
.filter-card:hover small {
  color: var(--ice-strong);
}

.filter-result {
  margin-top: 20px;
  padding: 15px 18px;
  color: var(--muted);
  background: var(--ice);
  border-left: 5px solid var(--coral);
  font-size: 13px;
}

.filter-result strong {
  color: var(--navy);
}

.updates-section {
  background: var(--bone);
}

.archive-table {
  border-top: 2px solid var(--navy);
}

.archive-head,
.archive-row {
  display: grid;
  grid-template-columns: 180px 1.4fr 1fr 130px;
  align-items: center;
}

.archive-head {
  padding: 13px 22px;
  color: var(--muted);
  background: var(--ice);
  font-size: 12px;
  font-weight: 700;
}

.archive-row {
  min-height: 84px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
}

.archive-row > span {
  color: var(--muted);
  font-size: 13px;
}

.archive-row > strong {
  font-size: 17px;
}

.remind-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 10px;
  background: var(--white);
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 12px;
}

.remind-toggle i {
  width: 16px;
  height: 16px;
}

.remind-toggle.is-on {
  color: var(--white);
  background: var(--coral);
  border-color: var(--coral);
}

.gallery-section {
  background: var(--ice);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.screenshot-grid figure {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--navy);
}

.screenshot-viewport {
  aspect-ratio: 9 / 16;
  width: 100%;
  overflow: hidden;
  background: var(--white);
}

.screenshot-viewport img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.screenshot-grid figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 66px;
  padding: 14px 18px;
  border-top: 1px solid var(--navy);
}

.screenshot-grid figcaption span {
  color: var(--coral-dark);
  font-family: Georgia, serif;
  font-size: 20px;
  font-weight: 700;
}

.screenshot-grid figcaption strong {
  font-size: 15px;
}

.faq-section {
  background: var(--bone);
}

.faq-list {
  border-top: 2px solid var(--navy);
}

.faq-list details,
.official-site {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.faq-list summary,
.official-site summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 16px 22px;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  width: 55px;
  color: var(--coral-dark);
  font-size: 12px;
  font-weight: 800;
}

.faq-list summary strong {
  flex: 1;
  font-size: 16px;
}

.faq-list summary > i,
.official-site summary > i {
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-list summary > i::before,
.faq-list summary > i::after,
.official-site summary > i::before,
.official-site summary > i::after {
  position: absolute;
  top: 9px;
  left: 3px;
  width: 14px;
  height: 1px;
  background: var(--navy);
  content: "";
}

.faq-list summary > i::after,
.official-site summary > i::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary > i::after,
.official-site[open] summary > i::after {
  transform: rotate(0);
}

.faq-list details > p,
.official-site > p {
  padding: 0 22px 22px 77px;
  color: var(--muted);
  font-size: 14px;
}

.official-site {
  margin-top: 22px;
  border: 1px solid var(--navy);
}

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

.official-site summary strong {
  font-size: 15px;
}

.official-site > p a {
  color: var(--coral-dark);
  word-break: break-all;
}

.reviews-section {
  background: var(--coral);
}

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

.review-card {
  position: relative;
  display: flex;
  min-height: 240px;
  padding: 26px;
  flex-direction: column;
  color: var(--ink);
  background: var(--bone);
  border-top: 5px solid var(--navy);
}

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

.review-head {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.review-head .i-avatar {
  width: 38px;
  height: 38px;
  padding: 9px;
  background-color: var(--navy);
  background-size: 20px;
  border-radius: 50%;
}

.review-head strong {
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-rating {
  display: flex;
  align-items: center;
  min-height: 24px;
  margin-left: auto;
  color: var(--coral-dark);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.review-rating .fa {
  margin-left: 2px;
  font-style: normal;
}

.fa-star::before { content: "★"; }
.fa-star-o::before { content: "☆"; }

.review-card > p {
  margin-top: 24px;
  padding-top: 20px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.review-card time {
  position: absolute;
  right: 26px;
  bottom: 22px;
  color: var(--muted);
  font-size: 12px;
}

.download-section {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 260px;
  align-items: stretch;
  width: min(calc(100% - 40px), var(--content-width));
  min-height: 220px;
  margin: 90px auto;
  color: var(--white);
  background: var(--navy-deep);
  border: 1px solid var(--navy);
}

.download-index {
  display: grid;
  place-items: center;
  color: transparent;
  border-right: 1px solid rgba(255, 255, 255, 0.28);
  font-family: Georgia, serif;
  font-size: 116px;
  font-weight: 700;
  line-height: 1;
  -webkit-text-stroke: 1px var(--coral);
}

.download-copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: 38px 46px;
}

.download-copy > p {
  color: var(--coral);
}

.download-copy h2 {
  max-width: 620px;
  margin-top: 10px;
  font-size: 28px;
  line-height: 1.3;
}

.download-copy > span {
  margin-top: 10px;
  color: var(--ice-strong);
  font-size: 13px;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--navy);
  background: var(--coral);
  border-left: 1px solid var(--navy);
  font-size: 18px;
  font-weight: 800;
}

.download-link:hover {
  background: var(--ice-strong);
}

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

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 36px 0;
  border-top: 1px solid var(--navy);
}

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

.site-footer nav ul {
  gap: 26px;
}

.site-footer nav a {
  font-size: 13px;
  font-weight: 700;
}

.site-footer nav a:hover {
  color: var(--coral-dark);
}

.site-footer p {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

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

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

@media (max-width: 1100px) {
  .site-nav ul {
    gap: 24px;
  }

  .archive-sheet {
    grid-template-columns: 100px minmax(0, 1fr) 340px;
  }

  .hero-copy {
    padding: 56px 42px;
  }

  .phone-exhibit {
    padding-inline: 24px;
  }

  .archive-head,
  .archive-row {
    grid-template-columns: 150px 1.25fr 1fr 120px;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  body {
    font-size: 14px;
  }

  .header-inner,
  .footer-inner,
  .section-heading,
  .compass-layout,
  .archive-table,
  .screenshot-grid,
  .faq-list,
  .official-site,
  .review-grid,
  .download-section {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .brand {
    gap: 8px;
  }

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

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

  .brand-copy span {
    display: block;
    max-width: 150px;
    overflow: visible;
    font-size: 12px;
    text-overflow: clip;
    white-space: nowrap;
  }

  .mobile-actions {
    display: flex;
  }

  .site-nav {
    position: fixed;
    z-index: 999;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: var(--bone);
    border-bottom: 1px solid var(--navy);
    transform: translateZ(0);
  }

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

  .site-nav ul {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    width: min(calc(100% - 28px), var(--content-width));
    margin: 0 auto;
  }

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

  .site-nav a {
    padding: 16px 4px;
  }

  .site-nav a::after {
    right: auto;
    width: 44px;
  }

  .hero {
    min-height: 0;
    background: var(--ice);
  }

  .archive-sheet {
    display: flex;
    width: 100%;
    min-height: 0;
    flex-direction: column;
  }

  .issue-rail {
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    min-height: 66px;
    padding: 10px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--navy);
  }

  .issue-rail span {
    font-size: 38px;
    writing-mode: horizontal-tb;
  }

  .issue-rail small {
    margin: 0;
    text-align: right;
  }

  .hero-copy {
    align-items: center;
    padding: 58px 24px 48px;
    text-align: center;
  }

  .hero-copy h1 {
    margin-top: 15px;
    font-size: clamp(54px, 17vw, 76px);
    white-space: normal;
  }

  .hero-copy h2 {
    margin-top: 22px;
    font-size: 25px;
  }

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

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

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

  .hero-points li {
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 14px 6px;
    font-size: 12px;
  }

  .hero-points li + li {
    padding-left: 6px;
  }

  .phone-exhibit {
    align-items: center;
    min-height: 620px;
    padding: 76px 20px 0;
    border-top: 1px solid var(--navy);
    border-left: 0;
  }

  .phone-exhibit::before {
    right: -60px;
  }

  .phone-shell {
    width: min(290px, 86vw);
  }

  .compass-section,
  .updates-section,
  .gallery-section,
  .faq-section,
  .reviews-section {
    padding: 72px 0;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 32px;
  }

  .section-heading h2 {
    font-size: 40px;
  }

  .section-heading > p {
    max-width: 100%;
    font-size: 13px;
    text-align: left;
  }

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

  .compass-visual {
    min-height: 370px;
    border-right: 0;
    border-bottom: 1px solid var(--navy);
  }

  .ring-one {
    width: 250px;
    height: 250px;
  }

  .ring-two {
    width: 165px;
    height: 165px;
  }

  .filter-panel {
    padding: 26px 20px;
  }

  .filter-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .filter-grid {
    gap: 8px;
  }

  .filter-card {
    min-height: 116px;
    padding: 14px;
  }

  .filter-card strong {
    font-size: 15px;
  }

  .archive-head {
    display: none;
  }

  .archive-row {
    grid-template-columns: 1fr auto;
    gap: 6px 14px;
    padding: 18px 14px;
  }

  .archive-row > span:first-child,
  .archive-row > span:nth-child(3) {
    grid-column: 1;
  }

  .archive-row > strong {
    grid-column: 1;
    grid-row: 2;
    font-size: 16px;
  }

  .archive-row .remind-toggle {
    grid-column: 2;
    grid-row: 1 / 4;
  }

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

  .screenshot-grid figcaption {
    gap: 8px;
    min-height: 56px;
    padding: 10px;
  }

  .screenshot-grid figcaption span {
    font-size: 17px;
  }

  .screenshot-grid figcaption strong {
    font-size: 12px;
  }

  .faq-list summary,
  .official-site summary {
    min-height: 66px;
    padding: 14px;
  }

  .faq-list summary span {
    width: 40px;
  }

  .faq-list summary strong,
  .official-site summary strong {
    font-size: 14px;
  }

  .faq-list details > p,
  .official-site > p {
    padding: 0 14px 18px 54px;
    font-size: 13px;
  }

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

  .review-card {
    min-height: 220px;
    padding: 22px;
  }

  .review-card time {
    right: 22px;
  }

  .download-section {
    grid-template-columns: 1fr;
    margin-block: 64px;
    text-align: center;
  }

  .download-index {
    min-height: 100px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
    font-size: 72px;
  }

  .download-copy {
    align-items: center;
    padding: 34px 22px;
  }

  .download-copy h2 {
    font-size: 23px;
  }

  .download-link {
    min-height: 76px;
    border-top: 1px solid var(--navy);
    border-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .site-footer nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 22px;
  }

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

@media (max-width: 430px) {
  .header-inner {
    width: calc(100% - 20px);
  }

  .brand-copy span {
    max-width: 118px;
  }

  .mobile-download {
    padding-inline: 10px;
  }

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

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

  .filter-card {
    min-height: 98px;
  }

  .screenshot-grid {
    gap: 8px;
  }

  .screenshot-grid figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }

  .review-rating {
    font-size: 12px;
  }
}

@media (hover: none) and (pointer: coarse) {
  a:active,
  button:active {
    opacity: 1;
    transition: none;
  }
}

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