@charset "UTF-8";

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

:root {
  --coral: #ff5c57;
  --coral-dark: #e94242;
  --violet: #6f44e8;
  --blue: #3796e8;
  --amber: #f2a629;
  --ink: #171719;
  --muted: #66666f;
  --line: #deddd9;
  --cream: #faf8f2;
  --paper: #ffffff;
  --soft: #f4f1ec;
  --dark: #171d24;
  --content: 1200px;
  --header-height: 76px;
}

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

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

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

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

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
}

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

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

.site-brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  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;
}

.main-navigation ul,
.footer-navigation ul {
  display: flex;
  align-items: center;
  gap: 38px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-navigation a {
  position: relative;
  display: block;
  padding: 25px 0 22px;
  font-size: 15px;
  font-weight: 700;
}

.main-navigation a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--coral);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.main-navigation a:hover,
.main-navigation a:focus-visible,
.main-navigation a.is-active {
  color: var(--coral-dark);
}

.main-navigation a:hover::after,
.main-navigation a:focus-visible::after,
.main-navigation a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

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

.hero {
  position: relative;
  overflow: hidden;
  background-color: #fff;
  background-image: linear-gradient(rgba(55, 150, 232, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(55, 150, 232, 0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  position: absolute;
  top: 0;
  right: -90px;
  width: 330px;
  height: 330px;
  background: var(--coral);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  min-height: 690px;
}

.hero-copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  max-width: 690px;
  padding: 80px 40px 70px 0;
}

.eyebrow,
.section-index,
.download-copy > p {
  margin: 0 0 12px;
  color: var(--coral-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(74px, 7vw, 112px);
  line-height: 1;
  letter-spacing: -0.05em;
  white-space: nowrap;
}

.hero h2 {
  margin: 28px 0 18px;
  font-size: 30px;
  line-height: 1.35;
}

.hero-description {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 198px;
  margin-top: 32px;
  padding: 14px 24px;
  gap: 14px;
  color: #fff;
  background: var(--coral);
  border: 2px solid var(--coral);
  font-weight: 800;
  box-shadow: 8px 8px 0 rgba(111, 68, 232, 0.18);
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-download:hover,
.hero-download:focus-visible {
  color: var(--ink);
  background: #fff;
  box-shadow: 4px 4px 0 rgba(111, 68, 232, 0.25);
}

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

.hero-points {
  display: flex;
  align-items: center;
  margin-top: 40px;
  gap: 34px;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  vertical-align: middle;
}

.icon-menu { background-image: url("../icons/menu.svg"); }
.icon-search { background-image: url("../icons/search.svg"); }
.icon-grid { background-image: url("../icons/grid.svg"); }
.icon-star { background-image: url("../icons/star.svg"); }
.icon-bell { background-image: url("../icons/bell.svg"); }
.icon-bookmark { background-image: url("../icons/bookmark.svg"); }
.icon-download { background-image: url("../icons/download.svg"); }
.icon-globe { background-image: url("../icons/globe.svg"); }
.icon-top { background-image: url("../icons/top.svg"); }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
}

.visual-orbit {
  position: absolute;
  border: 1px solid rgba(111, 68, 232, 0.4);
  border-radius: 50%;
}

.visual-orbit-large {
  right: -70px;
  width: 440px;
  height: 440px;
}

.visual-orbit-small {
  right: 22px;
  width: 310px;
  height: 310px;
  border-color: rgba(55, 150, 232, 0.55);
}

.phone-shell {
  position: relative;
  z-index: 2;
  width: 360px;
  padding: 18px 14px 16px;
  background: #121419;
  border: 2px solid #000;
  border-radius: 54px;
  box-shadow: 24px 28px 0 rgba(23, 29, 36, 0.12);
}

.phone-speaker {
  position: absolute;
  z-index: 4;
  top: 27px;
  left: 50%;
  width: 112px;
  height: 29px;
  background: #090a0d;
  border-radius: 20px;
  transform: translateX(-50%);
}

.phone-screen {
  overflow: hidden;
  min-height: 610px;
  padding: 20px 16px 0;
  background: #fff;
  border-radius: 38px;
}

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

.phone-status {
  padding: 0 4px 22px;
  font-size: 12px;
  font-weight: 700;
}

.phone-title-row strong {
  color: var(--coral-dark);
  font-size: 24px;
}

.phone-title-row .icon {
  width: 24px;
  height: 24px;
}

.phone-search {
  margin-top: 14px;
  padding: 11px 16px;
  color: #8a8b92;
  background: #f0f1f4;
  border-radius: 24px;
  font-size: 12px;
}

.phone-tabs {
  margin: 10px 0 9px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 700;
}

.phone-tabs span {
  padding: 8px 0;
}

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

.phone-feature {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 168px;
  padding: 22px;
  color: #fff;
  background: linear-gradient(135deg, #0c3152 0%, #184e75 54%, #7b46df 100%);
  border-radius: 16px;
}

.phone-feature::after {
  position: absolute;
  top: -32px;
  right: -20px;
  width: 148px;
  height: 148px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  content: "";
}

.phone-feature strong {
  position: relative;
  z-index: 1;
  margin: 6px 0;
  font-size: 21px;
  line-height: 1.3;
}

.phone-feature span {
  position: relative;
  z-index: 1;
  font-size: 12px;
}

.phone-kicker {
  color: #fbd4d2;
  font-weight: 700;
}

.phone-subtitle {
  margin: 18px 0 10px;
  font-size: 13px;
}

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

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

.phone-cover {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 118px;
  padding: 9px;
  overflow: hidden;
  color: #fff;
  border-radius: 10px;
}

.phone-cover::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  content: "";
}

.phone-cover span {
  position: relative;
  z-index: 1;
  font-size: 12px;
  font-weight: 700;
}

.cover-one { background: linear-gradient(145deg, #4a8ec6, #202b48 55%, #13161c); }
.cover-two { background: linear-gradient(145deg, #9f6be9, #5f3e98 50%, #202137); }
.cover-three { background: linear-gradient(145deg, #f0b35e, #d15d5b 50%, #50324d); }

.phone-nav {
  margin: 18px -16px 0;
  padding: 13px 20px 11px;
  color: #8b8c93;
  border-top: 1px solid #e7e7e7;
  font-size: 12px;
}

.phone-nav .active {
  color: var(--coral-dark);
  font-weight: 700;
}

.section {
  padding: 104px 0;
}

.section-heading {
  margin-bottom: 46px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(42px, 4.5vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.section-heading > p:last-child,
.heading-split > p {
  max-width: 520px;
  margin: 14px 0 0;
  color: var(--muted);
}

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

.heading-split > p {
  margin: 0 0 8px;
  text-align: right;
}

.discovery {
  background: var(--cream);
}

.discovery-stage {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: 32px;
}

.discovery-search {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 350px;
  padding: 44px;
  color: #fff;
  background: var(--dark);
}

.discovery-search label {
  margin-bottom: 15px;
  font-size: 22px;
  font-weight: 800;
}

.search-control {
  display: grid;
  grid-template-columns: 1fr auto;
  background: #fff;
}

.search-control input {
  min-width: 0;
  padding: 15px 16px;
  border: 0;
  outline: none;
  font-size: 14px;
}

.search-control button {
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  gap: 8px;
  color: #fff;
  background: var(--coral);
  border: 0;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.search-control button .icon {
  filter: brightness(0) invert(1);
}

.search-feedback {
  min-height: 48px;
  margin: 18px 0 0;
  color: #c6c9cf;
  font-size: 13px;
}

.discovery-routes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.route-card {
  display: grid;
  grid-template-columns: 88px 1fr 34px;
  align-items: center;
  min-height: 168px;
  padding: 24px;
  gap: 16px;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.route-card:hover,
.route-card:focus-visible,
.route-card.is-active {
  background: #fff7f6;
  border-color: var(--coral);
  transform: translateY(-3px);
}

.route-number {
  color: var(--coral);
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
}

.route-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.route-copy strong {
  font-size: 19px;
}

.route-copy span {
  color: var(--muted);
  font-size: 13px;
}

.route-card .icon {
  width: 30px;
  height: 30px;
}

.weekly-board {
  background: #fff;
}

.board-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.board-tabs button,
.collection-filters button {
  padding: 10px 17px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.board-tabs button:hover,
.board-tabs button:focus-visible,
.board-tabs button.is-active {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.board-card {
  position: relative;
  min-height: 294px;
  padding: 34px 28px 28px;
  background: var(--cream);
  border: 1px solid var(--line);
}

.board-mark {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.board-mark.coral { background: var(--coral); }
.board-mark.amber { background: var(--amber); }
.board-mark.violet { background: var(--violet); }
.board-mark.blue { background: var(--blue); }

.board-card > p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
}

.board-card h3 {
  margin: 0 0 24px;
  font-size: 25px;
}

.board-card dl {
  margin: 0;
}

.board-card dl div {
  display: grid;
  grid-template-columns: 62px 1fr;
  padding: 7px 0;
  border-top: 1px solid #e4e1dc;
  font-size: 13px;
}

.board-card dt {
  color: var(--muted);
}

.board-card dd {
  margin: 0;
  font-weight: 700;
}

.interface-tour {
  color: #fff;
  background: #1a2028;
}

.interface-tour .section-index {
  color: #ff827d;
}

.interface-tour .heading-split > p {
  color: #aeb6c1;
}

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

.screenshot-card {
  margin: 0;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.screenshot-media {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #fff;
}

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

.screenshot-card figcaption {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 16px 18px;
  gap: 14px;
  color: var(--ink);
}

.screenshot-card figcaption span {
  color: var(--coral-dark);
  font-size: 13px;
  font-weight: 900;
}

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

.collection-index {
  background: #fff;
}

.collection-layout {
  display: grid;
  grid-template-columns: 180px 1fr;
  border: 1px solid var(--line);
}

.collection-filters {
  display: flex;
  flex-direction: column;
  background: var(--dark);
}

.collection-filters button {
  flex: 1 1 0;
  min-height: 80px;
  color: #fff;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.collection-filters button:hover,
.collection-filters button:focus-visible,
.collection-filters button.is-active {
  color: #fff;
  background: var(--coral);
}

.collection-table {
  min-width: 0;
  background: #fff;
}

.collection-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
}

.collection-row:last-child {
  border-bottom: 0;
}

.collection-row > * {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-right: 1px solid var(--line);
  font-size: 13px;
}

.collection-row > *:last-child {
  color: var(--coral-dark);
  border-right: 0;
  font-weight: 700;
}

.collection-head {
  min-height: 52px;
  color: var(--muted);
  background: var(--soft);
  font-weight: 700;
}

.questions {
  background: var(--soft);
}

.faq-list {
  background: #fff;
  border-top: 2px solid var(--ink);
}

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

.faq-item summary,
.official-disclosure summary {
  display: flex;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker,
.official-disclosure summary::-webkit-details-marker {
  display: none;
}

.faq-item summary {
  min-height: 76px;
  padding: 18px 24px;
  gap: 24px;
}

.faq-item summary span {
  color: var(--coral-dark);
  font-size: 13px;
  font-weight: 900;
}

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

.faq-item summary i,
.official-toggle {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
}

.faq-item summary i::before,
.faq-item summary i::after,
.official-toggle::before,
.official-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.faq-item summary i::after,
.official-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] summary i::after,
.official-disclosure[open] .official-toggle::after {
  display: none;
}

.faq-item > p {
  margin: -4px 68px 0;
  padding: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.official-disclosure {
  width: 100%;
  margin-top: 28px;
  background: #fff;
  border: 1px solid var(--ink);
}

.official-disclosure summary {
  min-height: 78px;
  padding: 18px 24px;
  gap: 16px;
}

.official-disclosure summary strong {
  flex: 1;
  font-size: 16px;
}

.official-answer {
  padding: 0 62px 22px;
}

.official-answer a {
  color: var(--coral-dark);
  font-size: 14px;
  font-weight: 700;
  word-break: break-all;
}

.reader-letters {
  background: #fff;
}

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

.review-card {
  min-height: 270px;
  padding: 26px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-top: 4px solid var(--coral);
}

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

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

.review-card header {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
}

.review-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
  font-size: 13px;
  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: 24px 0 0;
  color: #3f3f46;
  font-size: 14px;
  line-height: 1.95;
}

.download-dock {
  padding: 96px 0;
  background-color: #241b37;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.12) 1px, transparent 0);
  background-size: 22px 22px;
}

.download-frame {
  display: grid;
  grid-template-columns: 180px 1fr 220px;
  min-height: 190px;
  color: #fff;
  background: #17151f;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 14px 14px 0 rgba(255, 92, 87, 0.5);
}

.download-ribbon {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
  gap: 16px;
  background: var(--coral);
  text-align: center;
}

.download-ribbon .icon {
  width: 36px;
  height: 36px;
  filter: brightness(0) invert(1);
}

.download-ribbon span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.download-copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: 34px 46px;
}

.download-copy > p {
  color: #ff827d;
}

.download-copy h2 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.35;
  white-space: nowrap;
}

.download-copy > span {
  color: #bab5c4;
  font-size: 14px;
}

.download-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--ink);
  background: #fff;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 18px;
  font-weight: 900;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.download-action:hover,
.download-action:focus-visible {
  color: #fff;
  background: var(--violet);
}

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

.footer-inner {
  padding: 44px 0 22px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
}

.footer-brand .brand-copy span {
  color: #aeb5bf;
}

.footer-navigation ul {
  gap: 24px;
}

.footer-navigation a {
  color: #d5d9df;
  font-size: 13px;
}

.footer-navigation a:hover,
.footer-navigation a:focus-visible {
  color: #fff;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: #aeb5bf;
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  padding: 0;
  background: var(--coral);
  border: 2px solid var(--ink);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

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

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

.back-to-top .icon {
  filter: brightness(0) invert(1);
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

@media (max-width: 1024px) {
  .main-navigation ul {
    gap: 24px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

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

  .hero h1 {
    font-size: 78px;
  }

  .hero h2 {
    font-size: 26px;
  }

  .phone-shell {
    width: 330px;
  }

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

  .discovery-search {
    min-height: 260px;
  }

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

  .download-frame {
    grid-template-columns: 150px 1fr 190px;
  }

  .download-copy {
    padding: 30px;
  }

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

@media (max-width: 767px) {
  :root {
    --header-height: 66px;
  }

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

  body {
    padding-top: var(--header-height);
  }

  a,
  button,
  summary {
    -webkit-tap-highlight-color: transparent;
    animation: none !important;
    transition: none !important;
  }

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

  .site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    transform: none;
    backdrop-filter: none;
    box-shadow: none;
  }

  .site-brand {
    gap: 7px;
  }

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

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

  .brand-copy span {
    margin-top: 1px;
    font-size: 12px;
  }

  .header-actions {
    display: flex;
    align-items: center;
    margin-left: auto;
    gap: 8px;
  }

  .mobile-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 12px;
    color: #fff;
    background: var(--coral);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    background: #fff;
    border: 1px solid var(--ink);
    cursor: pointer;
  }

  .main-navigation {
    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: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

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

  .main-navigation ul {
    display: block;
    width: min(calc(100% - 28px), var(--content));
    margin: 0 auto;
  }

  .main-navigation li {
    border-bottom: 1px solid var(--line);
  }

  .main-navigation li:last-child {
    border-bottom: 0;
  }

  .main-navigation a {
    padding: 14px 4px;
    font-size: 14px;
  }

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

  .hero::before {
    top: auto;
    right: -120px;
    bottom: 50px;
    width: 260px;
    height: 260px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    align-items: center;
    max-width: none;
    padding: 64px 0 48px;
    text-align: center;
  }

  .eyebrow {
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(58px, 20vw, 82px);
    white-space: normal;
  }

  .hero h2 {
    margin-top: 22px;
    font-size: 24px;
  }

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

  .hero-download {
    margin-top: 26px;
  }

  .hero-download:hover,
  .hero-download:focus-visible {
    color: #fff;
    background: var(--coral);
    box-shadow: 8px 8px 0 rgba(111, 68, 232, 0.18);
  }

  .hero-points {
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
    gap: 12px 20px;
  }

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

  .hero-visual {
    justify-content: center;
    padding: 12px 0 72px;
  }

  .visual-orbit-large,
  .visual-orbit-small {
    right: auto;
  }

  .visual-orbit-large {
    width: 340px;
    height: 340px;
  }

  .visual-orbit-small {
    width: 250px;
    height: 250px;
  }

  .phone-shell {
    width: min(330px, calc(100vw - 50px));
    border-radius: 46px;
    box-shadow: 14px 18px 0 rgba(23, 29, 36, 0.12);
  }

  .phone-screen {
    min-height: 570px;
  }

  .phone-feature {
    min-height: 150px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading,
  .heading-split {
    display: block;
    margin-bottom: 32px;
  }

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

  .section-heading > p:last-child,
  .heading-split > p {
    margin: 12px 0 0;
    font-size: 14px;
    text-align: left;
  }

  .discovery-search {
    min-height: 0;
    padding: 28px 22px;
  }

  .discovery-search label {
    font-size: 18px;
  }

  .search-control {
    grid-template-columns: 1fr 48px;
  }

  .search-control button {
    justify-content: center;
    padding: 0;
  }

  .search-control button span {
    display: none;
  }

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

  .route-card {
    grid-template-columns: 68px 1fr 28px;
    min-height: 132px;
    padding: 20px;
  }

  .route-card:hover,
  .route-card:focus-visible,
  .route-card.is-active {
    transform: none;
  }

  .route-number {
    font-size: 38px;
  }

  .board-tabs {
    overflow-x: auto;
    margin-top: 20px;
    padding-bottom: 4px;
  }

  .board-tabs button {
    flex: 0 0 auto;
  }

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

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

  .screenshot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .screenshot-card figcaption {
    align-items: flex-start;
    flex-direction: column;
    min-height: 82px;
    padding: 12px;
    gap: 2px;
  }

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

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

  .collection-filters {
    flex-direction: row;
    overflow-x: auto;
  }

  .collection-filters button {
    flex: 1 0 auto;
    min-height: 54px;
    padding: 10px 14px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 0;
  }

  .collection-row {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .collection-row > * {
    padding: 12px 10px;
    font-size: 12px;
  }

  .collection-row > *:nth-child(2) {
    display: none;
  }

  .faq-item summary {
    padding: 16px;
    gap: 14px;
  }

  .faq-item summary strong,
  .official-disclosure summary strong {
    font-size: 14px;
  }

  .faq-item > p {
    margin: -2px 48px 0;
    padding-bottom: 20px;
    font-size: 13px;
  }

  .official-disclosure summary {
    padding: 16px;
  }

  .official-answer {
    padding: 0 54px 20px;
  }

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

  .review-card {
    min-height: 0;
    padding: 22px 18px;
  }

  .review-card header {
    grid-template-columns: 34px 1fr auto;
    gap: 8px;
  }

  .review-avatar {
    width: 34px;
    height: 34px;
  }

  .review-card header strong {
    font-size: 13px;
  }

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

  .download-dock {
    padding: 72px 0;
  }

  .download-frame {
    grid-template-columns: 1fr;
    box-shadow: 8px 8px 0 rgba(255, 92, 87, 0.5);
  }

  .download-ribbon {
    align-items: center;
    flex-direction: row;
    min-height: 76px;
    padding: 18px;
  }

  .download-ribbon .icon {
    width: 28px;
    height: 28px;
  }

  .download-copy {
    align-items: center;
    padding: 34px 18px;
    text-align: center;
  }

  .download-copy h2 {
    width: 100%;
    font-size: clamp(13px, 4.3vw, 18px);
    white-space: nowrap;
  }

  .download-copy > span {
    font-size: 13px;
  }

  .download-action {
    min-height: 76px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 0;
  }

  .download-action:hover,
  .download-action:focus-visible {
    color: var(--ink);
    background: #fff;
  }

  .footer-inner {
    padding-top: 36px;
  }

  .footer-top {
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }

  .footer-navigation ul {
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 20px;
  }

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

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

@media (max-width: 374px) {
  .header-inner {
    width: calc(100% - 18px);
  }

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

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

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

  .mobile-download {
    height: 34px;
    padding: 0 8px;
  }

  .menu-toggle {
    width: 34px;
    height: 34px;
  }

  .phone-screen {
    min-height: 548px;
  }

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

  .route-card {
    grid-template-columns: 52px 1fr 24px;
    padding: 17px;
  }

  .route-number {
    font-size: 32px;
  }

  .review-card header {
    grid-template-columns: 32px 1fr auto;
  }

  .review-card time {
    letter-spacing: -0.03em;
  }
}