@charset "UTF-8";

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

:root {
  --blue: #087fe8;
  --blue-dark: #075fbd;
  --blue-soft: #eaf5ff;
  --ice: #f5faff;
  --navy: #061e38;
  --ink: #0b1e31;
  --muted: #63778c;
  --line: #bdd9f2;
  --white: #ffffff;
  --coral: #ff715f;
  --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);
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

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

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

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

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.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);
}

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

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

.brand-link img,
.footer-brand img {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-copy,
.footer-brand > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.3;
}

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

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

.site-nav ul {
  display: flex;
  align-items: stretch;
  height: var(--header-height);
  gap: 36px;
}

.site-nav li,
.site-nav a {
  height: 100%;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.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 {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.menu-toggle {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--ink);
  background: var(--white);
  cursor: pointer;
  gap: 5px;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(8, 127, 232, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 127, 232, 0.07) 1px, transparent 1px),
    var(--white);
  background-size: 42px 42px;
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 46%;
  height: 100%;
  content: "";
  background: linear-gradient(135deg, var(--blue-soft), rgba(234, 245, 255, 0.25));
  clip-path: polygon(25% 0, 100% 0, 100% 100%, 0 100%);
}

.hero-index {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: 0;
  display: flex;
  width: max(66px, calc((100vw - var(--container)) / 2 - 34px));
  flex-direction: column;
  align-items: center;
  padding-top: 52px;
  color: var(--blue);
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  font-family: Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
}

.hero-index strong {
  margin: 4px 0 42px;
  font-size: 35px;
  line-height: 1;
}

.hero-index::after {
  width: 1px;
  height: 180px;
  margin-top: 24px;
  content: "";
  background: var(--line);
}

.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  width: min(calc(100% - 40px), var(--container));
  min-height: 720px;
  margin-inline: auto;
  grid-template-columns: minmax(0, 1fr) 440px;
  align-items: center;
  gap: 80px;
}

.hero-copy {
  max-width: 680px;
  padding: 84px 0 70px;
}

.eyebrow,
.section-number,
.index-label,
.download-copy > span {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-number::before {
  width: 26px;
  height: 2px;
  margin-right: 10px;
  content: "";
  background: currentColor;
}

.hero h1 {
  margin: 18px 0 4px;
  color: var(--navy);
  font-size: clamp(64px, 6vw, 104px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.06em;
  white-space: nowrap;
}

.hero h2 {
  margin-bottom: 22px;
  color: var(--navy);
  font-size: 29px;
  line-height: 1.35;
}

.hero-description {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 16px;
}

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

.primary-link {
  display: inline-flex;
  min-width: 220px;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  color: var(--white);
  background: var(--blue);
  box-shadow: 7px 7px 0 var(--blue-soft);
  font-size: 16px;
  font-weight: 800;
  transition: background-color 180ms ease, transform 180ms ease;
}

.primary-link:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.age-label {
  display: inline-block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
}

.hero-benefits {
  display: flex;
  max-width: 600px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  gap: 34px;
}

.hero-benefits > span {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  gap: 9px;
  white-space: nowrap;
}

.hero-benefits i,
.phone-heading i,
.phone-search i {
  flex: 0 0 auto;
}

.icon-arrow,
.icon-search,
.icon-chart,
.icon-shelf,
.icon-globe,
.icon-download,
.icon-top,
.icon-user-avatar {
  display: inline-block;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.icon-arrow {
  width: 18px;
  height: 18px;
  background-image: url("../icons/arrow.svg");
}

.icon-search {
  width: 20px;
  height: 20px;
  background-image: url("../icons/search.svg");
}

.icon-chart {
  width: 24px;
  height: 24px;
  background-image: url("../icons/chart.svg");
}

.icon-shelf {
  width: 24px;
  height: 24px;
  background-image: url("../icons/shelf.svg");
}

.hero-benefits .icon-search {
  width: 24px;
  height: 24px;
}

.hero-device {
  position: relative;
  display: flex;
  justify-content: flex-end;
  min-height: 620px;
  align-items: center;
}

.hero-device::before,
.hero-device::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(8, 127, 232, 0.35);
  border-radius: 50%;
}

.hero-device::before {
  top: 74px;
  right: 3px;
  width: 390px;
  height: 390px;
}

.hero-device::after {
  right: 80px;
  bottom: 40px;
  width: 210px;
  height: 210px;
}

.device-shell {
  position: relative;
  z-index: 2;
  width: 314px;
  padding: 13px;
  border: 5px solid #0e1722;
  border-radius: 46px;
  background: #0e1722;
  box-shadow: 20px 24px 0 rgba(6, 30, 56, 0.13);
}

.device-shell::before {
  position: absolute;
  z-index: 3;
  top: 13px;
  left: 50%;
  width: 96px;
  height: 24px;
  content: "";
  background: #0e1722;
  border-radius: 0 0 16px 16px;
  transform: translateX(-50%);
}

.device-screen {
  position: relative;
  overflow: hidden;
  min-height: 566px;
  padding: 16px 14px 54px;
  background: var(--white);
  border-radius: 30px;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 19px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
}

.phone-signals {
  letter-spacing: 2px;
}

.phone-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
}

.phone-heading strong {
  color: var(--blue);
  font-size: 21px;
}

.phone-search {
  display: flex;
  min-height: 37px;
  align-items: center;
  padding: 0 13px;
  color: #7990a5;
  background: #edf4fa;
  border-radius: 20px;
  font-size: 12px;
  gap: 8px;
}

.phone-search .icon-search {
  width: 15px;
  height: 15px;
}

.phone-tabs {
  display: grid;
  margin: 9px 0 12px;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid #dbe7f1;
  text-align: center;
}

.phone-tabs span {
  position: relative;
  padding: 7px 0 9px;
  font-size: 12px;
}

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

.phone-tabs .is-active::after {
  position: absolute;
  right: 12px;
  bottom: -1px;
  left: 12px;
  height: 2px;
  content: "";
  background: var(--blue);
}

.phone-feature {
  display: flex;
  min-height: 142px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(6, 30, 56, 0.94), rgba(8, 127, 232, 0.7)),
    linear-gradient(45deg, transparent 42%, rgba(255,255,255,0.32) 43%, rgba(255,255,255,0.32) 58%, transparent 59%);
  border-radius: 12px;
}

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

.phone-feature strong {
  margin: 4px 0;
  font-size: 18px;
  line-height: 1.3;
}

.phone-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0 8px;
  font-size: 12px;
}

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

.phone-list-head span {
  color: var(--blue);
}

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

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

.phone-cover {
  display: flex;
  width: 100%;
  aspect-ratio: 3 / 4;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--blue-soft);
  border-radius: 7px;
}

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

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

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

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

.phone-nav {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  height: 48px;
  align-items: center;
  background: var(--white);
  border-top: 1px solid #dbe7f1;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}

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

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

.device-issue {
  position: absolute;
  z-index: 3;
  right: 328px;
  bottom: 70px;
  color: var(--blue);
  font-family: Consolas, monospace;
  font-size: 12px;
  line-height: 1.1;
}

.device-issue strong {
  font-size: 42px;
}

.section {
  padding: 104px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading-row {
  display: flex;
  max-width: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}

.section-heading h2 {
  margin: 10px 0 12px;
  color: var(--navy);
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.section-heading p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.coordinate-section {
  background: var(--ice);
}

.coordinate-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  border: 1px solid var(--line);
  background: var(--white);
}

.coordinate-board {
  border-right: 1px solid var(--line);
}

.coordinate-row {
  display: grid;
  min-height: 82px;
  align-items: center;
  grid-template-columns: 138px minmax(0, 1fr) 42px;
  border-bottom: 1px solid var(--line);
}

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

.coordinate-row > strong {
  display: flex;
  height: 100%;
  align-items: center;
  padding: 0 26px;
  color: var(--white);
  background: var(--blue);
  font-size: 14px;
}

.coordinate-row > span {
  color: var(--blue);
  font-family: Consolas, monospace;
  font-size: 12px;
  text-align: center;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  padding: 13px 22px;
  gap: 8px;
}

.filter-options button,
.ranking-tabs button {
  min-height: 36px;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  font-size: 13px;
}

.filter-options button:hover,
.filter-options button.is-active,
.ranking-tabs button:hover,
.ranking-tabs button.is-active {
  color: var(--white);
  border-color: var(--blue);
  background: var(--blue);
}

.today-index {
  padding: 28px;
}

.today-index h3 {
  margin: 3px 0 18px;
  font-size: 24px;
}

.today-index ol {
  border-top: 1px solid var(--line);
}

.today-index li {
  display: grid;
  min-height: 48px;
  align-items: center;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  border-bottom: 1px solid #dceaf6;
  font-size: 12px;
  gap: 8px;
}

.today-index li > span {
  color: var(--blue);
  font-family: Consolas, monospace;
  font-weight: 800;
}

.today-index li em {
  color: var(--muted);
  font-style: normal;
}

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

.ranking-panel {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ice);
  grid-template-columns: 220px minmax(0, 1fr);
}

.ranking-tabs {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--navy);
  gap: 12px;
}

.ranking-tabs button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: transparent;
  text-align: left;
}

.ranking-list {
  padding: 14px 30px;
}

.ranking-list article {
  display: grid;
  min-height: 66px;
  align-items: center;
  grid-template-columns: 88px 1.2fr 1fr 120px;
  border-bottom: 1px solid var(--line);
  gap: 18px;
}

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

.ranking-list article > span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 34px;
  font-weight: 700;
}

.ranking-list strong {
  font-size: 16px;
}

.ranking-list em,
.ranking-list small {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.ranking-list small {
  color: var(--blue-dark);
  text-align: right;
}

.interface-section {
  background: #fdfbf5;
  border-top: 1px solid #e5e0d1;
  border-bottom: 1px solid #e5e0d1;
}

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

.screenshot-grid figure {
  display: flex;
  min-width: 0;
  margin: 0;
  flex-direction: column;
  background: var(--white);
  border: 1px solid #d8d4c7;
}

.screenshot-media {
  display: flex;
  width: 100%;
  aspect-ratio: 9 / 16;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #f7f7f7;
}

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

.screenshot-grid figcaption {
  display: grid;
  min-height: 90px;
  align-items: center;
  padding: 17px;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 8px;
  border-top: 1px solid #d8d4c7;
}

.screenshot-grid figcaption > span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 19px;
  font-weight: 800;
}

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

.screenshot-grid figcaption small {
  grid-column: 2;
  color: var(--muted);
  font-size: 12px;
}

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

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

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

.faq-item > button {
  display: grid;
  width: 100%;
  min-height: 72px;
  align-items: center;
  padding: 0 22px;
  border: 0;
  background: var(--white);
  cursor: pointer;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  text-align: left;
}

.faq-item > button:hover {
  background: var(--ice);
}

.faq-index {
  color: var(--blue);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}

.faq-item > button strong {
  font-size: 16px;
}

.faq-item > button i,
.official-toggle {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
}

.faq-item > button i::before,
.faq-item > button i::after,
.official-toggle::before,
.official-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1px;
  content: "";
  background: currentColor;
  transform: translate(-50%, -50%);
}

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

.faq-item > button[aria-expanded="true"] i::after,
.official-disclosure[open] .official-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  padding: 0 70px 23px;
}

.faq-answer p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.official-disclosure {
  width: 100%;
  margin-top: 24px;
  border: 1px solid var(--navy);
}

.official-disclosure summary {
  display: grid;
  min-height: 74px;
  align-items: center;
  padding: 0 22px;
  cursor: pointer;
  grid-template-columns: 26px minmax(0, 1fr) 24px;
  list-style: none;
  gap: 12px;
}

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

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

.icon-globe {
  width: 20px;
  height: 20px;
  background-image: url("../icons/globe.svg");
}

.official-answer {
  padding: 0 60px 24px;
}

.official-answer a {
  color: var(--blue);
  font-size: 14px;
  text-decoration: underline;
  word-break: break-all;
}

.review-section {
  background:
    linear-gradient(rgba(8, 127, 232, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 127, 232, 0.06) 1px, transparent 1px),
    var(--blue-soft);
  background-size: 28px 28px;
}

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

.review-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  box-shadow: 8px 8px 0 rgba(8, 127, 232, 0.07);
}

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

.review-user {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
}

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

.icon-user-avatar {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  background-color: var(--blue-soft);
  background-image: url("../icons/user.svg");
  background-size: 24px 24px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

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

.review-rating {
  display: inline-flex;
  flex: 0 0 auto;
  color: var(--coral);
  font-size: 12px;
  gap: 2px;
  white-space: nowrap;
}

.review-rating .fa {
  display: inline-block;
  width: 14px;
  height: 18px;
  font-style: normal;
  line-height: 18px;
  text-align: center;
}

.review-rating .fa-star::before {
  content: "★";
}

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

.review-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding-top: 18px;
}

.review-content p {
  margin-bottom: 18px;
  font-size: 14px;
  line-height: 1.9;
}

.review-content time {
  margin-top: auto;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

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

.download-console {
  display: grid;
  overflow: hidden;
  min-height: 190px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    var(--blue-dark);
  background-size: 28px 28px;
  grid-template-columns: 210px minmax(0, 1fr) 280px;
}

.download-serial,
.download-copy,
.download-link {
  position: relative;
  display: flex;
  justify-content: center;
  flex-direction: column;
  padding: 32px;
}

.download-serial {
  border-right: 1px dashed rgba(255, 255, 255, 0.55);
  font-family: Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.download-serial strong {
  margin-top: 4px;
  font-size: 22px;
}

.download-serial i {
  width: 80px;
  height: 18px;
  margin-top: 20px;
  background: repeating-linear-gradient(90deg, var(--white) 0 2px, transparent 2px 5px);
}

.download-copy h2 {
  margin: 5px 0 7px;
  color: var(--white);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.25;
}

.download-copy > span {
  color: #8bc9ff;
}

.download-copy p {
  margin-bottom: 0;
  color: #c9e5ff;
  font-size: 14px;
}

.download-link {
  align-items: center;
  color: var(--navy);
  background: var(--white);
  font-size: 20px;
  font-weight: 900;
  text-align: center;
  gap: 10px;
  white-space: nowrap;
}

.download-link::before {
  position: absolute;
  width: 96px;
  height: 96px;
  content: "";
  border: 1px solid var(--line);
  border-radius: 50%;
}

.download-link > * {
  position: relative;
  z-index: 2;
}

.download-link:hover {
  color: var(--blue);
  background: var(--blue-soft);
}

.icon-download {
  width: 32px;
  height: 32px;
  background-image: url("../icons/download.svg");
}

.site-footer {
  padding: 52px 0 28px;
  color: var(--white);
  background: #031426;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand small {
  color: #9bb0c5;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 26px;
}

.footer-nav a {
  color: #c7d7e7;
  font-size: 13px;
}

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

.footer-line {
  width: 100%;
  height: 1px;
  margin: 32px 0 24px;
  background: rgba(255, 255, 255, 0.8);
}

.copyright {
  margin-bottom: 0;
  color: #9bb0c5;
  font-size: 12px;
  text-align: center;
}

.back-to-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--white);
  color: var(--white);
  background: var(--blue);
  box-shadow: 4px 4px 0 var(--navy);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

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

.icon-top {
  width: 22px;
  height: 22px;
  background-image: url("../icons/top.svg");
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 35px;
  }

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

  .device-issue,
  .hero-index {
    display: none;
  }

  .coordinate-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .download-console {
    grid-template-columns: 175px minmax(0, 1fr) 230px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 66px;
  }

  html {
    scroll-behavior: auto;
  }

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

  a,
  button,
  summary {
    animation: none !important;
    transition: none !important;
  }

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

  .header-inner {
    width: calc(100% - 24px);
  }

  .brand-link {
    gap: 8px;
  }

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

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

  .brand-copy > span {
    display: block;
    max-width: none;
    overflow: visible;
    font-size: 12px;
    white-space: nowrap;
    text-overflow: clip;
  }

  .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(--white);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav ul {
    display: block;
    height: auto;
  }

  .site-nav li,
  .site-nav a {
    height: auto;
  }

  .site-nav a {
    min-height: 54px;
    padding: 0 20px;
    border-bottom: 1px solid #e4eff8;
  }

  .site-nav a::after {
    top: 0;
    right: auto;
    bottom: 0;
    width: 3px;
    height: auto;
  }

  .hero,
  .hero-inner {
    min-height: auto;
  }

  .hero::after {
    width: 100%;
    height: 44%;
    clip-path: none;
  }

  .hero-inner {
    display: flex;
    flex-direction: column;
    padding: 64px 0 56px;
    gap: 44px;
  }

  .hero-copy {
    width: 100%;
    max-width: 650px;
    padding: 0;
    text-align: center;
  }

  .eyebrow,
  .section-number {
    justify-content: flex-start;
  }

  .hero-copy .eyebrow {
    justify-content: center;
  }

  .hero h1 {
    font-size: clamp(54px, 13vw, 78px);
    white-space: normal;
  }

  .hero h2 {
    font-size: 25px;
  }

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

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

  .hero-benefits {
    justify-content: center;
    margin-inline: auto;
  }

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

  .hero-device::before {
    right: 50%;
    width: 350px;
    height: 350px;
    transform: translateX(50%);
  }

  .hero-device::after {
    right: 50%;
    transform: translateX(50%);
  }

  .section {
    padding: 76px 0;
  }

  .section-heading-row {
    display: block;
  }

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

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

  .coordinate-board {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .ranking-panel {
    grid-template-columns: 1fr;
  }

  .ranking-tabs {
    flex-direction: row;
  }

  .ranking-list article {
    grid-template-columns: 68px 1fr 1fr 100px;
  }

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

  .download-console {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .download-link {
    min-height: 100px;
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .container {
    width: calc(100% - 24px);
  }

  .brand-copy strong {
    max-width: 92px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .mobile-download {
    min-height: 40px;
    padding: 0 12px;
  }

  .hero-inner {
    width: calc(100% - 28px);
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 54px;
  }

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

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

  .hero-benefits {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .hero-benefits > span {
    flex-direction: column;
    font-size: 12px;
    gap: 4px;
  }

  .device-shell {
    width: min(294px, calc(100vw - 40px));
  }

  .device-screen {
    min-height: 530px;
  }

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

  .section-heading h2 {
    font-size: 36px;
  }

  .coordinate-row {
    grid-template-columns: 100px minmax(0, 1fr) 30px;
  }

  .coordinate-row > strong {
    padding: 0 13px;
    font-size: 12px;
  }

  .filter-options {
    padding: 10px;
  }

  .filter-options button {
    min-height: 34px;
    padding: 0 11px;
    font-size: 12px;
  }

  .today-index {
    padding: 22px;
  }

  .ranking-tabs {
    padding: 14px;
    overflow-x: auto;
  }

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

  .ranking-list {
    padding: 8px 14px;
  }

  .ranking-list article {
    min-height: 86px;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .ranking-list article > span {
    font-size: 27px;
  }

  .ranking-list em {
    grid-column: 2;
  }

  .ranking-list small {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

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

  .screenshot-grid figcaption {
    min-height: 82px;
    padding: 11px;
    grid-template-columns: 25px minmax(0, 1fr);
  }

  .screenshot-grid figcaption > span,
  .screenshot-grid figcaption strong {
    font-size: 13px;
  }

  .screenshot-grid figcaption small {
    display: none;
  }

  .faq-item > button {
    min-height: 66px;
    padding: 0 14px;
    grid-template-columns: 34px minmax(0, 1fr) 18px;
    gap: 6px;
  }

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

  .faq-answer {
    padding: 0 48px 19px;
  }

  .official-disclosure summary {
    min-height: 68px;
    padding: 0 14px;
    grid-template-columns: 21px minmax(0, 1fr) 18px;
  }

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

  .review-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .review-card {
    min-height: 230px;
    padding: 20px;
  }

  .download-section {
    padding: 64px 0;
  }

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

  .download-serial {
    min-height: 100px;
    border-right: 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.55);
  }

  .download-copy {
    padding: 26px;
  }

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

  .download-link {
    min-height: 112px;
  }

  .footer-main {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav ul {
    justify-content: center;
    gap: 12px 18px;
  }

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

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

@media (max-width: 370px) {
  .header-inner {
    width: calc(100% - 16px);
  }

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

  .brand-copy strong {
    max-width: 72px;
    font-size: 14px;
  }

  .mobile-download {
    padding: 0 9px;
    font-size: 12px;
  }

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

  .hero h1 {
    font-size: 47px;
  }

  .hero h2 {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}