@charset "UTF-8";

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

:root {
  --blue: #199ceb;
  --blue-deep: #126fc0;
  --navy: #102447;
  --navy-dark: #08162f;
  --ice: #f3f8fc;
  --white: #ffffff;
  --text: #13223a;
  --muted: #63748a;
  --line: #cbdbea;
  --amber: #f4aa39;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

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

.container,
.header-inner,
.hero-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.screen-reader {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  vertical-align: middle;
}

.icon-menu { background-image: url("../icons/menu.svg"); }
.icon-search { background-image: url("../icons/search.svg"); }
.icon-filter { background-image: url("../icons/filter.svg"); }
.icon-star { background-image: url("../icons/star.svg"); }
.icon-compass { background-image: url("../icons/compass.svg"); }
.icon-bell { background-image: url("../icons/bell.svg"); }
.icon-globe { background-image: url("../icons/globe.svg"); }
.icon-download { background-image: url("../icons/download.svg"); }
.icon-flash { background-image: url("../icons/flash.svg"); }
.icon-target { background-image: url("../icons/target.svg"); }
.icon-shield { background-image: url("../icons/shield.svg"); }
.icon-top { background-image: url("../icons/top.svg"); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid #92cef5;
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

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

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

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

.brand-copy strong {
  color: var(--navy);
  font-size: 20px;
  white-space: nowrap;
}

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

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

.main-nav ul {
  gap: 37px;
}

.main-nav a {
  position: relative;
  display: block;
  padding: 26px 0 23px;
  font-weight: 700;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--blue);
  content: "";
  opacity: 0;
}

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

.main-nav a.is-current::after {
  opacity: 1;
}

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

.mobile-cta {
  padding: 10px 12px;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

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

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 44%, rgba(25, 156, 235, 0.08), transparent 33%),
    var(--white);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  min-height: 650px;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 80px;
}

.hero-copy {
  padding: 82px 0 68px;
}

.eyebrow,
.section-head > p,
.section-head > div > p,
.download-copy > p {
  margin-bottom: 13px;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: clamp(70px, 7vw, 104px);
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 1.05;
  white-space: nowrap;
}

.hero h2 {
  margin-bottom: 24px;
  color: var(--navy);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.28;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 28px;
  color: #4d6078;
  font-size: 17px;
}

.hero-action {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 9px;
}

.hero-action a {
  display: inline-flex;
  min-width: 202px;
  min-height: 54px;
  padding: 13px 26px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--blue);
  border: 1px solid var(--blue);
  font-size: 16px;
  font-weight: 800;
  white-space: nowrap;
}

.hero-action a:hover {
  color: var(--blue-deep);
  background: var(--white);
}

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

.hero-features {
  display: flex;
  padding: 27px 0 0;
  margin: 28px 0 0;
  gap: 34px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.hero-features li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--navy);
  font-weight: 700;
  white-space: nowrap;
}

.hero-features .icon {
  width: 23px;
  height: 23px;
}

.hero-visual {
  position: relative;
  display: flex;
  min-height: 570px;
  align-self: stretch;
  align-items: center;
  justify-content: flex-end;
}

.orbit {
  position: absolute;
  top: 50%;
  right: -34px;
  border: 1px solid rgba(25, 156, 235, 0.32);
  border-radius: 50%;
  transform: translateY(-50%);
}

.orbit-one {
  width: 460px;
  height: 460px;
}

.orbit-two {
  right: 12px;
  width: 365px;
  height: 365px;
}

.orbit-dot {
  position: absolute;
  z-index: 2;
  width: 16px;
  height: 16px;
  background: var(--blue);
  border: 4px solid #dff2ff;
  border-radius: 50%;
}

.dot-one {
  top: 20%;
  right: -3px;
}

.dot-two {
  right: 330px;
  bottom: 22%;
}

.phone {
  position: relative;
  z-index: 3;
  width: 280px;
  padding: 12px;
  background: #111821;
  border: 3px solid #02060b;
  border-radius: 42px;
  box-shadow: 18px 22px 0 rgba(16, 36, 71, 0.12);
}

.phone::before {
  position: absolute;
  top: 8px;
  left: 50%;
  z-index: 4;
  width: 96px;
  height: 24px;
  background: #05090f;
  border-radius: 0 0 15px 15px;
  content: "";
  transform: translateX(-50%);
}

.phone-screen {
  min-height: 500px;
  padding: 15px 14px 10px;
  overflow: hidden;
  background: var(--white);
  border-radius: 31px;
}

.phone-status,
.phone-brand,
.phone-tabs,
.phone-heading,
.phone-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-status {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
}

.phone-brand {
  margin-bottom: 10px;
}

.phone-brand strong {
  color: var(--blue-deep);
  font-size: 17px;
}

.phone-brand .icon {
  width: 17px;
  height: 17px;
}

.phone-search {
  display: flex;
  height: 36px;
  padding: 0 12px;
  align-items: center;
  gap: 7px;
  color: #8b99a9;
  background: #eff5f9;
  border-radius: 20px;
  font-size: 12px;
}

.phone-search .icon {
  width: 14px;
  height: 14px;
  opacity: 0.55;
}

.phone-tabs {
  margin: 11px 0 10px;
  border-bottom: 1px solid #e2e9ef;
}

.phone-tabs span {
  padding: 6px 2px 8px;
  color: #57687b;
  font-size: 12px;
  font-weight: 700;
}

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

.phone-banner {
  position: relative;
  display: flex;
  height: 123px;
  justify-content: flex-end;
  padding: 15px;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, #1272c3, #20aff7);
  flex-direction: column;
  border-radius: 6px;
}

.phone-banner::after {
  position: absolute;
  top: 15px;
  right: 16px;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 15px rgba(255,255,255,0.08), 0 0 0 29px rgba(255,255,255,0.06);
}

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

.phone-banner strong {
  font-size: 17px;
}

.phone-heading {
  margin: 12px 0 8px;
}

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

.phone-covers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.phone-covers span {
  height: 82px;
  background: linear-gradient(145deg, #e7f3fb, #5bb7ef 55%, #146eaf);
  border-radius: 4px;
}

.phone-covers span:nth-child(2) {
  background: linear-gradient(145deg, #132a51, #279fdd 62%, #dceff9);
}

.phone-covers span:nth-child(3) {
  background: linear-gradient(145deg, #cbe9fa, #2779bd 52%, #102447);
}

.phone-lines {
  display: grid;
  margin-top: 6px;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.phone-lines span {
  height: 5px;
  background: #dbe5ec;
  border-radius: 4px;
}

.phone-footer {
  padding: 10px 7px 0;
  margin: 14px -14px -10px;
  color: #66768a;
  border-top: 1px solid #e1e9ef;
  font-size: 12px;
}

.phone-footer span:first-child {
  color: var(--blue);
}

.section {
  padding: 86px 0;
}

.section-head {
  margin-bottom: 40px;
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.section-head-row > div,
.section-head-row > span {
  flex: 1;
}

.section-head-row > span {
  max-width: 510px;
  padding-bottom: 8px;
  color: var(--muted);
  text-align: right;
}

.section-head h2 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: clamp(38px, 4.3vw, 58px);
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.section-head > span {
  color: var(--muted);
}

.section-head > p::before,
.section-head > div > p::before,
.download-copy > p::before {
  display: inline-block;
  width: 4px;
  height: 16px;
  margin-right: 10px;
  background: var(--blue);
  content: "";
  vertical-align: -3px;
}

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

.discovery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: 86px;
}

.genre-orbit {
  position: relative;
  min-height: 360px;
}

.orbit-line {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid #8ecdf4;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-line-one {
  width: 420px;
  height: 245px;
}

.orbit-line-two {
  width: 285px;
  height: 285px;
}

.genre-center,
.genre-node {
  position: absolute;
  z-index: 2;
  background: var(--white);
  border: 1px solid #9ed5f6;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 700;
}

.genre-center {
  top: 50%;
  left: 50%;
  width: 126px;
  height: 126px;
  color: var(--white);
  background: var(--blue);
  border: 10px solid #dff2ff;
  transform: translate(-50%, -50%);
}

.genre-node {
  width: 68px;
  height: 68px;
  color: var(--navy);
}

.genre-node:hover,
.genre-node.is-active {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.node-hot { top: 5px; left: calc(50% - 34px); }
.node-love { top: 78px; right: 58px; }
.node-fantasy { right: 72px; bottom: 41px; }
.node-adventure { bottom: 4px; left: calc(50% - 34px); }
.node-mystery { bottom: 45px; left: 70px; }
.node-finish { top: 78px; left: 56px; }

.discovery-path {
  position: relative;
}

.discovery-path::before {
  position: absolute;
  top: 38px;
  bottom: 38px;
  left: 24px;
  width: 1px;
  background: #9ed5f6;
  content: "";
}

.discovery-path article {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.discovery-path article + article {
  margin-top: 38px;
}

.discovery-path article > b {
  display: grid;
  width: 48px;
  height: 48px;
  color: var(--white);
  background: var(--blue);
  place-items: center;
  border: 7px solid var(--ice);
  border-radius: 50%;
}

.discovery-path h3 {
  margin-bottom: 3px;
  color: var(--navy);
  font-size: 19px;
}

.discovery-path p {
  margin-bottom: 0;
  color: var(--muted);
}

.compact-search {
  display: grid;
  width: min(690px, 100%);
  min-height: 54px;
  margin: 38px 0 0;
  grid-template-columns: 1fr auto;
  background: var(--white);
  border: 1px solid #8ecdf4;
}

.compact-search input {
  min-width: 0;
  padding: 0 18px;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: 0;
}

.compact-search button {
  display: inline-flex;
  min-width: 126px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--white);
  background: var(--blue);
  border: 0;
  cursor: pointer;
  font-weight: 700;
}

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

.rhythm {
  background: var(--white);
}

.reminder-control {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.switch {
  position: relative;
  width: 48px;
  height: 26px;
  padding: 0;
  background: #c5d1db;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
}

.switch i {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  background: var(--white);
  border-radius: 50%;
}

.switch.is-on {
  background: var(--blue);
}

.switch.is-on i {
  left: 26px;
}

.week-line {
  position: relative;
  display: grid;
  margin-bottom: 38px;
  grid-template-columns: repeat(7, 1fr);
}

.week-line::before {
  position: absolute;
  top: 27px;
  right: 6.5%;
  left: 6.5%;
  height: 1px;
  background: #9ed5f6;
  content: "";
}

.week-line button {
  position: relative;
  z-index: 1;
  display: flex;
  padding: 0;
  align-items: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  flex-direction: column;
}

.week-line b {
  display: grid;
  width: 54px;
  height: 54px;
  color: var(--muted);
  background: var(--white);
  border: 1px solid #9ed5f6;
  place-items: center;
  border-radius: 50%;
  font-size: 12px;
}

.week-line span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.week-line button.is-active b {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 0 0 7px #dff2ff;
}

.week-line button.is-active span {
  color: var(--blue-deep);
  font-weight: 700;
}

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

.update-cards article {
  display: grid;
  min-height: 136px;
  padding: 26px;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  background: var(--ice);
  border: 1px solid var(--line);
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  background: var(--blue);
  border-radius: 50%;
}

.update-cards strong {
  color: var(--navy);
  font-size: 16px;
}

.update-cards p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.update-cards article > b {
  color: var(--blue-deep);
  font-size: 12px;
}

.gallery {
  background: var(--ice);
}

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

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

.image-window {
  width: 100%;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

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

.screenshot-grid figcaption {
  display: flex;
  min-height: 72px;
  padding: 17px;
  align-items: center;
  gap: 11px;
}

.screenshot-grid figcaption span {
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 800;
}

.screenshot-grid figcaption strong {
  color: var(--navy);
  font-size: 16px;
}

.collection {
  overflow: hidden;
  background: var(--white);
}

.collection-flow {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 100px 1fr 100px 1fr;
  align-items: center;
}

.collection-flow::before,
.collection-flow::after {
  position: absolute;
  top: 50%;
  width: 200px;
  height: 200px;
  border: 1px solid #b6def7;
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.collection-flow::before { left: -170px; }
.collection-flow::after { right: -170px; }

.collection-flow article {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 124px;
  padding: 24px;
  align-items: center;
  gap: 17px;
  background: var(--white);
  border: 1px solid #9ed5f6;
  border-radius: 70px;
}

.collection-flow article > .icon {
  width: 52px;
  height: 52px;
  padding: 13px;
  background-color: #e6f5ff;
  background-size: 27px;
  border-radius: 50%;
}

.collection-flow strong {
  color: var(--navy);
  font-size: 17px;
}

.collection-flow p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.flow-link {
  height: 1px;
  background: #8ecdf4;
}

.help {
  background: var(--ice);
}

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

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

.faq-item > button {
  display: flex;
  width: 100%;
  min-height: 72px;
  padding: 18px 24px;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
  border: 0;
  cursor: pointer;
  text-align: left;
}

.faq-item > button span {
  font-size: 16px;
  font-weight: 700;
}

.faq-item > button b {
  display: inline-block;
  min-width: 52px;
  color: var(--blue-deep);
  font-size: 12px;
}

.faq-item > button > i,
.official-site summary > b {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.faq-item > button > i::before,
.faq-item > button > i::after,
.official-site summary > b::before,
.official-site summary > b::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--navy);
  content: "";
  transform: translate(-50%, -50%);
}

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

.faq-item.is-open > button > i::after,
.official-site[open] summary > b::after {
  transform: translate(-50%, -50%);
}

.faq-answer {
  display: none;
  padding: 0 24px 22px 76px;
  color: var(--muted);
}

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

.faq-item.is-open .faq-answer {
  display: block;
}

.official-site {
  width: 100%;
  margin-top: 18px;
  background: var(--white);
  border: 1px solid var(--blue-deep);
}

.official-site summary {
  display: flex;
  min-height: 72px;
  padding: 19px 24px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

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

.official-answer {
  padding: 0 24px 22px 56px;
}

.official-answer a {
  color: var(--blue-deep);
  word-break: break-all;
}

.letters {
  background: var(--white);
}

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

.review-card {
  position: relative;
  min-height: 250px;
  padding: 28px;
  background: #fffaf2;
  border: 1px solid #e3d8c7;
}

.review-card::after {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 31px;
  height: 31px;
  background: linear-gradient(225deg, var(--white) 49%, #e8dcc9 50%);
  content: "";
}

.review-head {
  display: grid;
  padding-bottom: 16px;
  margin-bottom: 18px;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #e4d8c5;
}

.avatar {
  display: grid;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: #8d826f;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
}

.review-head strong {
  color: var(--navy);
  white-space: nowrap;
}

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

.review-card > p {
  margin-bottom: 0;
}

.download {
  overflow: hidden;
  background: var(--ice);
}

.download-panel {
  display: grid;
  min-height: 300px;
  overflow: hidden;
  grid-template-columns: 0.9fr 1.1fr;
  background: #e7f5ff;
  border: 1px solid #9ed5f6;
}

.download-copy {
  display: flex;
  padding: 48px 54px;
  justify-content: center;
  flex-direction: column;
}

.download-copy h2 {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 38px;
  line-height: 1.2;
}

.download-copy > span {
  color: var(--muted);
}

.download-copy ul {
  display: flex;
  padding: 0;
  margin: 26px 0 0;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
}

.download-copy li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.download-copy li .icon {
  width: 18px;
  height: 18px;
}

.download-orbit {
  position: relative;
  display: grid;
  min-height: 300px;
  place-items: center;
}

.download-ring {
  position: absolute;
  border: 1px solid #8ecdf4;
  border-radius: 50%;
}

.ring-one {
  width: 500px;
  height: 210px;
}

.ring-two {
  width: 380px;
  height: 270px;
}

.download-dot {
  position: absolute;
  top: 72px;
  left: 90px;
  width: 14px;
  height: 14px;
  background: var(--blue);
  border: 4px solid #d8effe;
  border-radius: 50%;
}

.download-orbit a {
  position: relative;
  z-index: 2;
  display: flex;
  width: 196px;
  height: 196px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--blue);
  border: 14px solid #d3eeff;
  border-radius: 50%;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 0 0 1px var(--blue-deep), 0 18px 36px rgba(25,156,235,0.24);
  font-size: 17px;
  font-weight: 800;
  text-align: center;
  white-space: nowrap;
}

.download-orbit a .icon {
  width: 34px;
  height: 34px;
  filter: brightness(0) invert(1);
}

.download-orbit a:hover {
  background: var(--blue-deep);
}

.site-footer {
  padding: 46px 0 28px;
  color: var(--white);
  background: var(--navy-dark);
}

.footer-row {
  display: flex;
  padding-bottom: 30px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.9);
}

.footer-brand .brand-copy strong {
  color: var(--white);
}

.footer-brand .brand-copy span {
  color: #a7b8ca;
}

.footer-nav ul {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 28px;
}

.footer-nav a {
  color: #d3dfeb;
  font-size: 13px;
}

.footer-nav a:hover {
  color: #7ecbfb;
}

.footer-bottom {
  padding-top: 22px;
  text-align: center;
}

.footer-bottom p {
  margin-bottom: 0;
  color: #9eb0c2;
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 990;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  background: var(--navy);
  border: 1px solid var(--blue);
  cursor: pointer;
  opacity: 0;
  place-items: center;
  pointer-events: none;
}

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

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

@media (max-width: 1024px) {
  .main-nav ul {
    gap: 23px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 42px;
  }

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

  .discovery-layout {
    gap: 36px;
  }

  .collection-flow {
    grid-template-columns: 1fr 45px 1fr 45px 1fr;
  }

  .collection-flow article {
    padding: 20px;
  }

  .review-head {
    grid-template-columns: 38px 1fr;
  }

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

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

  html {
    scroll-padding-top: 78px;
  }

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

  .container,
  .header-inner,
  .hero-inner {
    width: min(100% - 28px, 680px);
  }

  .site-header {
    position: fixed;
    right: 0;
    left: 0;
    height: var(--header-height);
    transform: none;
    backface-visibility: visible;
  }

  .site-brand {
    gap: 7px;
  }

  .site-brand img {
    width: 40px;
    height: 40px;
    border-radius: 9px;
  }

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

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

  .mobile-controls {
    display: flex;
  }

  .main-nav {
    position: fixed;
    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);
  }

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

  .main-nav ul {
    width: min(100% - 28px, 680px);
    margin: 0 auto;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

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

  .main-nav a {
    padding: 14px 4px;
  }

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

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-copy {
    padding: 58px 0 42px;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(54px, 18vw, 80px);
    white-space: normal;
  }

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

  .hero-text {
    margin-right: auto;
    margin-left: auto;
    font-size: 15px;
  }

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

  .hero-features {
    justify-content: center;
    gap: 18px;
  }

  .hero-visual {
    min-height: 540px;
    justify-content: center;
  }

  .orbit {
    right: 50%;
    transform: translate(50%, -50%);
  }

  .dot-one {
    right: 5%;
  }

  .dot-two {
    right: auto;
    left: 8%;
  }

  .phone {
    width: min(280px, calc(100vw - 60px));
  }

  .section {
    padding: 66px 0;
  }

  .section-head,
  .section-head-row {
    display: block;
    margin-bottom: 32px;
  }

  .section-head-row > span {
    display: block;
    max-width: none;
    margin-top: 13px;
    text-align: left;
  }

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

  .discovery-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .genre-orbit {
    min-height: 350px;
  }

  .discovery-path {
    width: min(430px, 100%);
    margin: 0 auto;
  }

  .compact-search {
    margin-right: auto;
    margin-left: auto;
  }

  .week-line {
    overflow-x: auto;
    grid-template-columns: repeat(7, 92px);
    scrollbar-width: thin;
  }

  .week-line::before {
    right: 46px;
    left: 46px;
  }

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

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

  .collection-flow {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .flow-link {
    width: 1px;
    height: 34px;
    margin: 0 auto;
  }

  .collection-flow article {
    min-height: 108px;
    border-radius: 58px;
  }

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

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

  .review-head {
    grid-template-columns: 38px 1fr auto;
  }

  .review-head time {
    grid-column: auto;
  }

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

  .download-copy {
    padding: 38px 28px 12px;
    text-align: center;
  }

  .download-copy ul {
    justify-content: center;
  }

  .download-orbit {
    min-height: 300px;
  }

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

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

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

@media (max-width: 480px) {
  .container,
  .header-inner,
  .hero-inner {
    width: calc(100% - 24px);
  }

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

  .mobile-cta {
    padding: 10px 9px;
  }

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

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

  .hero-features {
    align-items: stretch;
    gap: 0;
  }

  .hero-features li {
    min-width: 0;
    flex: 1;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    font-size: 12px;
  }

  .hero-visual {
    min-height: 520px;
  }

  .orbit-one {
    width: 360px;
    height: 360px;
  }

  .orbit-two {
    width: 285px;
    height: 285px;
  }

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

  .genre-orbit {
    min-height: 320px;
  }

  .orbit-line-one {
    width: 310px;
    height: 208px;
  }

  .orbit-line-two {
    width: 236px;
    height: 236px;
  }

  .genre-center {
    width: 108px;
    height: 108px;
  }

  .genre-node {
    width: 58px;
    height: 58px;
    font-size: 12px;
  }

  .node-hot { left: calc(50% - 29px); }
  .node-love { top: 65px; right: 18px; }
  .node-fantasy { right: 25px; bottom: 33px; }
  .node-adventure { left: calc(50% - 29px); }
  .node-mystery { bottom: 35px; left: 23px; }
  .node-finish { top: 65px; left: 17px; }

  .compact-search {
    grid-template-columns: 1fr;
  }

  .compact-search input {
    min-height: 52px;
  }

  .compact-search button {
    min-height: 48px;
  }

  .reminder-control {
    margin-top: 18px;
  }

  .screenshot-grid {
    gap: 8px;
  }

  .screenshot-grid figcaption {
    min-height: 62px;
    padding: 11px;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .screenshot-grid figcaption strong {
    font-size: 14px;
  }

  .faq-item > button {
    padding: 16px;
  }

  .faq-item > button b {
    min-width: 38px;
  }

  .faq-answer {
    padding: 0 16px 19px 54px;
  }

  .official-site summary {
    padding: 18px 16px;
  }

  .official-answer {
    padding: 0 16px 18px 48px;
  }

  .review-card {
    padding: 22px;
  }

  .review-head {
    gap: 8px;
  }

  .download-copy h2 {
    font-size: 31px;
  }

  .download-copy ul {
    gap: 12px;
  }

  .ring-one {
    width: 390px;
  }

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

@media (hover: none) and (pointer: coarse) {
  a,
  button,
  summary {
    -webkit-tap-highlight-color: transparent;
    transition: none !important;
  }

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

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