@charset "UTF-8";

:root {
    --blue: #0877df;
    --blue-deep: #052c58;
    --navy: #061e39;
    --cyan: #eaf7ff;
    --paper: #fffdf8;
    --cream: #fff8e9;
    --yellow: #ffd83d;
    --ink: #0a1c30;
    --muted: #61768e;
    --line: #c9dcec;
    --white: #ffffff;
    --header-height: 74px;
    --shell: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
    min-width: 320px;
    margin: 0;
    padding-top: var(--header-height);
    overflow-x: hidden;
    color: var(--ink);
    background: var(--paper);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
}

body.nav-open {
    overflow: hidden;
}

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

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

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

.site-shell {
    width: min(calc(100% - 40px), var(--shell));
    margin: 0 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;
}

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

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

.icon-menu {
    background-image: url("../icons/menu.svg");
}

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

.icon-list {
    background-image: url("../icons/list.svg");
}

.icon-heart {
    background-image: url("../icons/heart.svg");
}

.icon-add {
    background-image: url("../icons/add.svg");
}

.icon-bell {
    background-image: url("../icons/bell.svg");
}

.icon-filter {
    background-image: url("../icons/filter.svg");
}

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

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

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    border-bottom: 1px solid #d9e5ef;
    background: rgba(255, 255, 255, 0.98);
}

.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 28px;
}

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

.brand img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

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

.brand-copy strong {
    font-size: 21px;
}

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

.main-nav {
    margin-left: auto;
}

.main-nav ul,
.footer-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.main-nav a {
    position: relative;
    display: flex;
    align-items: center;
    min-height: var(--header-height);
    padding: 0 14px;
    font-weight: 700;
    white-space: nowrap;
}

.main-nav a::after {
    position: absolute;
    right: 14px;
    bottom: 0;
    left: 14px;
    height: 3px;
    content: "";
    background: transparent;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 19px;
    gap: 8px;
    border: 1px solid var(--blue);
    border-radius: 5px;
    color: var(--white);
    background: var(--blue);
    font-weight: 700;
    white-space: nowrap;
}

.header-download .icon {
    filter: brightness(0) invert(1);
}

.mobile-label,
.nav-toggle {
    display: none;
}

.hero {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #d7e5ef;
    background-color: var(--paper);
    background-image:
        linear-gradient(rgba(8, 119, 223, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(8, 119, 223, 0.055) 1px, transparent 1px);
    background-size: 42px 42px;
}

.hero::after {
    position: absolute;
    top: -60px;
    right: -140px;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    content: "";
    background: rgba(8, 119, 223, 0.08);
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 700px;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    align-items: center;
    gap: 70px;
}

.hero-copy {
    padding: 72px 0 66px;
}

.eyebrow,
.section-index,
.download-copy > p {
    margin: 0 0 12px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    font-size: clamp(72px, 8vw, 128px);
    line-height: 0.95;
    letter-spacing: -0.07em;
    white-space: nowrap;
}

.hero h2 {
    max-width: 680px;
    margin: 24px 0 16px;
    font-size: clamp(28px, 3vw, 44px);
    line-height: 1.25;
}

.hero-summary {
    max-width: 630px;
    margin: 0;
    color: #415a73;
    font-size: 17px;
    line-height: 1.9;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    margin: 28px 0;
    gap: 10px;
}

.hero-features span {
    display: inline-flex;
    align-items: center;
    min-height: 50px;
    padding: 0 16px;
    gap: 9px;
    border: 1px solid #c7dbea;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.82);
    font-weight: 700;
}

.hero-features .icon {
    width: 21px;
    height: 21px;
}

.hero-action {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.primary-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 230px;
    min-height: 58px;
    padding: 0 24px;
    gap: 10px;
    border: 1px solid var(--blue);
    border-radius: 5px;
    color: var(--white);
    background: var(--blue);
    font-size: 17px;
    font-weight: 800;
}

.primary-download .icon {
    filter: brightness(0) invert(1);
}

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

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 620px;
    padding: 40px 0;
}

.hero-issue {
    position: absolute;
    top: 104px;
    left: 8px;
    color: var(--yellow);
    font-size: 62px;
    font-weight: 900;
    line-height: 1;
}

.phone-frame {
    position: relative;
    width: 310px;
    height: 612px;
    padding: 14px;
    border: 8px solid #111820;
    border-radius: 42px;
    background: #111820;
}

.phone-frame::before {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 50%;
    width: 108px;
    height: 26px;
    border-radius: 0 0 18px 18px;
    content: "";
    background: #111820;
    transform: translateX(-50%);
}

.phone-screen {
    position: relative;
    display: flex;
    height: 100%;
    overflow: hidden;
    flex-direction: column;
    padding: 10px 12px 0;
    border-radius: 27px;
    background: #fff;
}

.phone-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 28px;
    padding: 0 4px;
    font-size: 12px;
    font-weight: 800;
}

.status-symbols {
    letter-spacing: 1px;
}

.phone-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 2px 8px;
}

.phone-brand-row strong {
    color: var(--blue);
    font-size: 22px;
}

.phone-search {
    display: flex;
    align-items: center;
    min-height: 38px;
    padding: 0 12px;
    gap: 8px;
    border-radius: 5px;
    color: #8293a3;
    background: #edf4f8;
    font-size: 12px;
}

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

.phone-tabs {
    display: grid;
    margin-top: 8px;
    border-bottom: 1px solid #d5e0e9;
    grid-template-columns: repeat(4, 1fr);
}

.phone-tabs button {
    position: relative;
    min-height: 38px;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.phone-tabs button.is-active {
    color: var(--blue);
}

.phone-tabs button.is-active::after {
    position: absolute;
    right: 9px;
    bottom: -1px;
    left: 9px;
    height: 2px;
    content: "";
    background: var(--blue);
}

.phone-featured {
    display: grid;
    min-height: 118px;
    overflow: hidden;
    margin-top: 10px;
    border-radius: 5px;
    color: var(--white);
    background: var(--blue-deep);
    grid-template-columns: 1.2fr 0.8fr;
}

.phone-featured > div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 14px;
}

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

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

.phone-featured img {
    width: 100%;
    height: 100%;
    padding: 7px;
    object-fit: contain;
    background: #dcecff;
}

.phone-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 7px;
    font-size: 12px;
}

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

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

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

.phone-comics img {
    width: 100%;
    height: 102px;
    padding: 2px;
    border-radius: 5px;
    object-fit: contain;
    background: #edf4f8;
}

.phone-comics strong,
.phone-comics span {
    display: block;
    overflow: hidden;
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.phone-bottom-nav {
    display: grid;
    min-height: 46px;
    align-items: center;
    margin: auto -12px 0;
    border-top: 1px solid #dde6ed;
    color: #6c7d8d;
    grid-template-columns: repeat(5, 1fr);
    text-align: center;
    font-size: 12px;
}

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

.reader-console {
    width: min(100%, 500px);
    padding: 28px;
    border: 1px solid #9fc6e4;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 14px 14px 0 rgba(8, 119, 223, 0.11);
}

.console-head,
.console-head > div,
.console-summary,
.console-tabs,
.console-book,
.console-progress > div,
.console-actions {
    display: flex;
    align-items: center;
}

.console-head {
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid #d6e6f2;
    gap: 20px;
}

.console-head > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
}

.console-head span {
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.15em;
}

.console-head h3 {
    margin: 0;
    font-size: 27px;
}

.console-head > strong {
    display: inline-flex;
    align-items: center;
    padding: 8px 10px;
    gap: 7px;
    border: 1px solid #b9e6d2;
    border-radius: 5px;
    color: #08794d;
    background: #ecfbf5;
    font-size: 12px;
    white-space: nowrap;
}

.console-head > strong i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1fb978;
}

.console-summary {
    margin: 18px 0;
    border: 1px solid #d6e6f2;
    border-radius: 5px;
    background: #f4f9fd;
}

.console-summary span {
    display: flex;
    min-width: 0;
    min-height: 70px;
    align-items: center;
    justify-content: center;
    flex: 1;
    flex-direction: column;
    border-right: 1px solid #d6e6f2;
    color: var(--muted);
    font-size: 12px;
}

.console-summary span:last-child {
    border-right: 0;
}

.console-summary b {
    color: var(--blue-deep);
    font-size: 22px;
}

.console-tabs {
    display: grid;
    margin-bottom: 12px;
    grid-template-columns: repeat(4, 1fr);
}

.console-tabs button {
    min-height: 40px;
    border: 1px solid #c6dbea;
    border-right: 0;
    color: #3f5870;
    background: #fff;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.console-tabs button:first-child {
    border-radius: 5px 0 0 5px;
}

.console-tabs button:last-child {
    border-right: 1px solid #c6dbea;
    border-radius: 0 5px 5px 0;
}

.console-tabs button.is-active {
    border-color: var(--blue);
    color: #fff;
    background: var(--blue);
}

.console-list {
    border-top: 1px solid #d6e6f2;
}

.console-book {
    min-height: 70px;
    padding: 10px 0;
    border-bottom: 1px solid #d6e6f2;
    gap: 12px;
}

.console-book[hidden] {
    display: none;
}

.console-book img {
    width: 44px;
    height: 50px;
    flex: 0 0 44px;
    border-radius: 5px;
    object-fit: contain;
    background: #edf5fb;
}

.console-book > div {
    min-width: 0;
    flex: 1;
}

.console-book strong,
.console-book span {
    display: block;
}

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

.console-book span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.console-book-action {
    min-width: 62px;
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid #b8d4e9;
    border-radius: 5px;
    color: var(--blue);
    background: #fff;
    font-size: 12px;
    cursor: pointer;
}

.console-progress {
    padding: 17px 0 12px;
}

.console-progress > div {
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 12px;
}

.console-progress input {
    width: 100%;
    accent-color: var(--blue);
    cursor: pointer;
}

.console-actions {
    gap: 10px;
}

.console-actions button {
    min-height: 44px;
    flex: 1;
    border: 1px solid var(--blue);
    border-radius: 5px;
    color: var(--blue);
    background: #fff;
    font-weight: 800;
    cursor: pointer;
}

.console-actions button:first-child {
    color: #fff;
    background: var(--blue);
}

.console-note {
    min-height: 18px;
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}

.content-section {
    padding: 92px 0;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--line);
    gap: 40px;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.05;
}

.section-heading > p {
    max-width: 500px;
    margin: 0;
    color: var(--muted);
    text-align: right;
}

.route-section {
    background: #f6fbff;
}

.route-board {
    display: grid;
    margin-top: 30px;
    gap: 24px;
    grid-template-columns: minmax(0, 1fr) 270px;
}

.route-steps {
    position: relative;
    display: grid;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--white);
    grid-template-columns: repeat(4, 1fr);
}

.route-steps::before {
    position: absolute;
    top: 51px;
    right: 12.5%;
    left: 12.5%;
    height: 2px;
    content: "";
    background: var(--blue);
}

.route-steps article {
    position: relative;
    z-index: 1;
    padding: 26px 20px;
    border-right: 1px solid var(--line);
}

.route-steps article:last-child {
    border-right: 0;
}

.step-icon {
    display: flex;
    width: 54px;
    height: 54px;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border: 6px solid #dcefff;
    border-radius: 50%;
    background: var(--blue);
}

.step-icon .icon {
    filter: brightness(0) invert(1);
}

.route-steps b {
    color: var(--blue);
    font-size: 13px;
}

.route-steps h3 {
    margin: 3px 0 8px;
    font-size: 20px;
}

.route-steps p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.route-filter {
    padding: 25px;
    border: 1px solid var(--blue);
    border-radius: 5px;
    background: #f1f8ff;
}

.filter-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    color: var(--blue-deep);
}

.filter-options {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(2, 1fr);
}

.filter-options button,
.topic-tabs button {
    min-height: 38px;
    border: 1px solid #b8d4e9;
    border-radius: 5px;
    background: var(--white);
    cursor: pointer;
}

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

.topics-section {
    background: var(--cream);
}

.topic-workspace {
    display: grid;
    margin-top: 30px;
    gap: 24px;
    grid-template-columns: 150px minmax(0, 1fr);
}

.topic-tabs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.topic-list {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.topic-card {
    display: grid;
    min-height: 182px;
    overflow: hidden;
    border: 1px solid #d8d8d8;
    border-radius: 5px;
    background: var(--white);
    grid-template-columns: 145px minmax(0, 1fr);
}

.topic-card figure {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: center;
    padding: 8px;
    margin: 0;
    background: #eff6fb;
}

.topic-card figure img {
    width: 100%;
    height: 164px;
    object-fit: contain;
}

.topic-card > div {
    padding: 22px;
}

.topic-tag {
    display: inline-block;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
}

.topic-card h3 {
    margin: 5px 0 8px;
    font-size: 20px;
}

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

.topic-card strong {
    color: var(--blue);
    font-size: 12px;
}

.screens-section {
    background: #ecf8ff;
}

.screens-track {
    display: grid;
    justify-content: center;
    margin-top: 34px;
    gap: 28px;
    grid-template-columns: repeat(4, 250px);
}

.screen-card {
    width: 250px;
    overflow: hidden;
    margin: 0;
    border: 1px solid #b7d4e8;
    border-radius: 5px;
    background: var(--white);
}

.screen-image {
    display: flex;
    width: 250px;
    height: 450px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #f7fbfe;
}

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

.screen-card figcaption {
    display: flex;
    min-height: 82px;
    align-items: center;
    padding: 15px;
    gap: 12px;
    border-top: 1px solid #b7d4e8;
}

.screen-card figcaption b {
    color: var(--blue);
    font-size: 14px;
}

.screen-card figcaption span,
.screen-card figcaption strong,
.screen-card figcaption small {
    display: block;
}

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

.screen-card figcaption small {
    color: var(--muted);
    font-size: 12px;
}

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

.faq-list {
    margin-top: 30px;
    border-top: 1px solid var(--ink);
}

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

.faq-item > button,
.official-site > button {
    display: flex;
    width: 100%;
    min-height: 66px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
}

.faq-item > button span {
    display: flex;
    align-items: center;
    gap: 22px;
}

.faq-item > button b {
    color: var(--blue);
    font-size: 12px;
}

.faq-item > button > i,
.official-symbol {
    position: relative;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
}

.faq-item > button > i::before,
.faq-item > button > i::after,
.official-symbol::before,
.official-symbol::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 1px;
    content: "";
    background: var(--ink);
    transform: translate(-50%, -50%);
}

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

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

.faq-answer,
.official-answer {
    padding: 0 58px 22px;
    color: var(--muted);
}

.faq-answer p {
    margin: 0;
}

.official-site {
    margin-top: 22px;
    border: 1px solid var(--ink);
    border-radius: 5px;
    background: var(--white);
}

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

.official-answer a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.reviews-section {
    background: #f5fbff;
}

.review-grid {
    display: grid;
    margin-top: 30px;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-card {
    display: flex;
    min-height: 250px;
    flex-direction: column;
    padding: 24px;
    border: 1px solid #bcd6e8;
    border-top: 4px solid var(--blue);
    border-radius: 5px;
    background: var(--white);
}

.review-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

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

.review-avatar {
    display: inline-block;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 50%;
    background-color: #e7f4ff;
    background-image: url("../icons/avatar.svg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: 24px;
}

.review-rating {
    color: #ffae00;
    font-size: 14px;
    letter-spacing: 1px;
    white-space: nowrap;
}

.review-card p {
    margin: 20px 0;
    color: #304c65;
    font-size: 14px;
}

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

.download-section {
    padding: 64px 0;
    background: var(--blue-deep);
}

.download-ticket {
    display: grid;
    overflow: hidden;
    min-height: 180px;
    border: 1px solid #71b9ed;
    border-radius: 5px;
    background: var(--white);
    grid-template-columns: 190px minmax(0, 1fr) 280px;
}

.download-number {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 26px 34px;
    color: var(--white);
    background: var(--blue);
}

.download-number strong {
    font-size: 58px;
    line-height: 1;
}

.download-number span {
    margin-top: 8px;
    font-size: 12px;
    letter-spacing: 0.14em;
}

.download-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 28px 40px;
}

.download-copy h2 {
    margin: 0 0 8px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.3;
}

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

.download-ticket-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    gap: 12px;
    color: var(--ink);
    background: var(--yellow);
    font-size: 18px;
    font-weight: 900;
    text-align: center;
}

.download-ticket-link .icon {
    width: 24px;
    height: 24px;
}

.site-footer {
    padding: 34px 0 24px;
    color: var(--white);
    background: #03162c;
}

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

.footer-brand .brand-copy span {
    color: #a8c0d5;
}

.footer-nav ul {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 24px;
}

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

.footer-nav a:hover {
    color: #7fc6ff;
}

.copyright {
    margin: 24px auto 0;
    color: #a8c0d5;
    font-size: 12px;
    text-align: center;
}

.back-top {
    position: fixed;
    z-index: 900;
    right: 22px;
    bottom: 22px;
    display: flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--white);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    background: var(--blue);
    box-shadow: 0 12px 30px rgba(6, 30, 57, 0.24);
    cursor: pointer;
    transform: translateY(10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.back-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top i {
    display: block;
    width: 22px;
    height: 22px;
    background-image: url("../images/top.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

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

@media (hover: hover) {
    .header-download:hover,
    .primary-download:hover {
        border-color: var(--blue-deep);
        background: var(--blue-deep);
    }

    .download-ticket-link:hover {
        background: #ffe77a;
    }

    .filter-options button:hover,
    .topic-tabs button:hover {
        border-color: var(--blue);
    }
}

@media (max-width: 1100px) {
    .main-nav a {
        padding: 0 9px;
        font-size: 13px;
    }

    .main-nav a::after {
        right: 9px;
        left: 9px;
    }

    .hero-layout {
        gap: 32px;
        grid-template-columns: minmax(0, 1fr) 350px;
    }

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

    .filter-options {
        grid-template-columns: repeat(4, 1fr);
    }

    .screens-track {
        justify-content: start;
        overflow-x: auto;
        padding-bottom: 14px;
        scroll-snap-type: x mandatory;
        grid-auto-flow: column;
        grid-auto-columns: 250px;
        grid-template-columns: none;
    }

    .screen-card {
        scroll-snap-align: start;
    }
}

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

    body {
        font-size: 14px;
    }

    .site-shell {
        width: min(calc(100% - 28px), var(--shell));
    }

    .site-header {
        background: #fff;
    }

    .header-inner {
        gap: 10px;
    }

    .brand {
        min-width: 0;
        margin-right: auto;
        gap: 7px;
    }

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

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

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

    .main-nav {
        position: fixed;
        z-index: 999;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: none;
        margin: 0;
        border-top: 1px solid #d9e5ef;
        border-bottom: 1px solid #d9e5ef;
        background: #fff;
    }

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

    .main-nav ul {
        display: block;
        width: min(calc(100% - 28px), var(--shell));
        padding: 10px 0;
        margin: 0 auto;
    }

    .main-nav li + li {
        border-top: 1px solid #e2eaf0;
    }

    .main-nav a {
        min-height: 48px;
        padding: 0 6px;
    }

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

    .header-actions {
        flex: 0 0 auto;
    }

    .header-download {
        min-height: 42px;
        padding: 0 13px;
        font-size: 12px;
    }

    .header-download .icon {
        display: none;
    }

    .desktop-label {
        display: none;
    }

    .mobile-label {
        display: inline;
    }

    .nav-toggle {
        display: flex;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        padding: 0;
        border: 1px solid var(--ink);
        border-radius: 5px;
        background: #fff;
        cursor: pointer;
    }

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

    .hero-copy {
        padding: 64px 0 20px;
        text-align: center;
    }

    .hero h1 {
        font-size: clamp(56px, 19vw, 88px);
        white-space: nowrap;
    }

    .hero h2 {
        margin-right: auto;
        margin-left: auto;
        font-size: 28px;
    }

    .hero-summary {
        margin: 0 auto;
        font-size: 15px;
    }

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

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

    .hero-visual {
        min-height: auto;
        padding: 20px 0 60px;
    }

    .reader-console {
        width: min(100%, 560px);
        box-shadow: 10px 10px 0 rgba(8, 119, 223, 0.1);
        text-align: left;
    }

    .hero-issue {
        display: none;
    }

    .phone-frame {
        width: 288px;
        height: 570px;
    }

    .content-section {
        padding: 68px 0;
    }

    .section-heading {
        display: block;
    }

    .section-heading > p {
        margin-top: 12px;
        text-align: left;
    }

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

    .route-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .route-steps::before {
        display: none;
    }

    .route-steps article:nth-child(2) {
        border-right: 0;
    }

    .route-steps article:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .filter-options {
        grid-template-columns: repeat(2, 1fr);
    }

    .topic-workspace {
        grid-template-columns: 1fr;
    }

    .topic-tabs {
        overflow-x: auto;
        flex-direction: row;
        padding-bottom: 6px;
    }

    .topic-tabs button {
        min-width: 92px;
        flex: 0 0 92px;
    }

    .topic-list {
        grid-template-columns: 1fr;
    }

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

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

    .download-ticket-link {
        min-height: 72px;
        grid-column: 1 / -1;
    }

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

    .footer-brand {
        margin: 0 auto;
    }

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

@media (max-width: 560px) {
    .site-shell {
        width: min(calc(100% - 24px), var(--shell));
    }

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

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

    .hero-copy {
        padding-top: 50px;
    }

    .eyebrow,
    .section-index {
        font-size: 12px;
        letter-spacing: 0.12em;
    }

    .hero h1 {
        font-size: clamp(52px, 20vw, 72px);
    }

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

    .hero-features {
        display: grid;
        grid-template-columns: 1fr;
    }

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

    .primary-download {
        width: 100%;
    }

    .phone-frame {
        width: 272px;
        height: 540px;
        padding: 11px;
        border-width: 7px;
    }

    .reader-console {
        padding: 18px;
        box-shadow: 7px 7px 0 rgba(8, 119, 223, 0.1);
    }

    .console-head {
        align-items: flex-start;
    }

    .console-head h3 {
        font-size: 23px;
    }

    .console-summary span {
        min-height: 62px;
        padding: 6px 2px;
        text-align: center;
    }

    .console-summary b {
        font-size: 19px;
    }

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

    .phone-screen {
        padding-right: 10px;
        padding-left: 10px;
    }

    .phone-featured {
        min-height: 104px;
    }

    .phone-comics img {
        height: 90px;
    }

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

    .route-steps {
        grid-template-columns: 1fr;
    }

    .route-steps article,
    .route-steps article:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .route-steps article:last-child {
        border-bottom: 0;
    }

    .route-steps article {
        display: grid;
        align-items: center;
        gap: 4px 14px;
        grid-template-columns: 54px 1fr;
    }

    .route-steps .step-icon {
        margin: 0;
        grid-row: 1 / 4;
    }

    .topic-card {
        grid-template-columns: 110px minmax(0, 1fr);
    }

    .topic-card figure img {
        height: 146px;
    }

    .topic-card > div {
        padding: 16px;
    }

    .screens-track {
        width: calc(100% + 12px);
        margin-right: -12px;
        gap: 14px;
        grid-auto-columns: 250px;
    }

    .faq-item > button {
        min-height: 62px;
        padding: 10px 6px;
    }

    .faq-item > button span {
        align-items: flex-start;
        gap: 10px;
    }

    .faq-answer,
    .official-answer {
        padding: 0 6px 18px 38px;
    }

    .official-site > button {
        padding: 10px 14px;
    }

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

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

    .review-head {
        align-items: flex-start;
    }

    .download-section {
        padding: 42px 0;
    }

    .download-ticket {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .download-copy {
        padding: 26px 20px;
    }

    .download-ticket-link {
        grid-column: auto;
    }

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

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

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

@media (max-width: 370px) {
    .site-shell {
        width: min(calc(100% - 20px), var(--shell));
    }

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

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

    .header-download {
        min-height: 40px;
        padding: 0 10px;
    }

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